Detailed Description

Library of IQMath operations.

#include <limits.h>
#include <stdlib.h>
#include <stdint.h>

Include dependency graph for IQmathLib.h:

This graph shows which files directly or indirectly include this file:

Macros
#define	GLOBAL_IQ 24
	The IQ format to be used when the IQ format is not explicitly specified (such as _IQcos instead of _IQ16cos). This value must be between 1 and 30, inclusive.

#define	_IQmpy2(A) ((A) << 1)
	Multiplies an IQ value by 2. More...

#define	_IQmpy4(A) ((A) << 2)
	Multiplies an IQ value by 4. More...

#define	_IQmpy8(A) ((A) << 3)
	Multiplies an IQ value by 8. More...

#define	_IQmpy16(A) ((A) << 4)
	Multiplies an IQ value by 16. More...

#define	_IQmpy32(A) ((A) << 5)
	Multiplies an IQ value by 32. More...

#define	_IQmpy64(A) ((A) << 6)
	Multiplies an IQ value by 64. More...

#define	_IQdiv2(A) ((A) >> 1)
	Divides an IQ value by 2. More...

#define	_IQdiv4(A) ((A) >> 2)
	Divides an IQ value by 4. More...

#define	_IQdiv8(A) ((A) >> 3)
	Divides an IQ value by 8. More...

#define	_IQdiv16(A) ((A) >> 4)
	Divides an IQ value by 16. More...

#define	_IQdiv32(A) ((A) >> 5)
	Divides an IQ value by 32. More...

#define	_IQdiv64(A) ((A) >> 6)
	Divides an IQ value by 64. More...

#define	_IQ30(A) ((_iq30)((A) * ((_iq30)1 << 30)))
	Converts a value into an IQ30 number. More...

#define	_IQ29(A) ((_iq29)((A) * ((_iq29)1 << 29)))
	Converts a value into an IQ29 number. More...

#define	_IQ28(A) ((_iq28)((A) * ((_iq28)1 << 28)))
	Converts a value into an IQ28 number. More...

#define	_IQ27(A) ((_iq27)((A) * ((_iq27)1 << 27)))
	Converts a value into an IQ27 number. More...

#define	_IQ26(A) ((_iq26)((A) * ((_iq26)1 << 26)))
	Converts a value into an IQ26 number. More...

#define	_IQ25(A) ((_iq25)((A) * ((_iq25)1 << 25)))
	Converts a value into an IQ25 number. More...

#define	_IQ24(A) ((_iq24)((A) * ((_iq24)1 << 24)))
	Converts a value into an IQ24 number. More...

#define	_IQ23(A) ((_iq23)((A) * ((_iq23)1 << 23)))
	Converts a value into an IQ23 number. More...

#define	_IQ22(A) ((_iq22)((A) * ((_iq22)1 << 22)))
	Converts a value into an IQ22 number. More...

#define	_IQ21(A) ((_iq21)((A) * ((_iq21)1 << 21)))
	Converts a value into an IQ21 number. More...

#define	_IQ20(A) ((_iq20)((A) * ((_iq20)1 << 20)))
	Converts a value into an IQ20 number. More...

#define	_IQ19(A) ((_iq19)((A) * ((_iq19)1 << 19)))
	Converts a value into an IQ19 number. More...

#define	_IQ18(A) ((_iq18)((A) * ((_iq18)1 << 18)))
	Converts a value into an IQ18 number. More...

#define	_IQ17(A) ((_iq17)((A) * ((_iq17)1 << 17)))
	Converts a value into an IQ17 number. More...

#define	_IQ16(A) ((_iq16)((A) * ((_iq16)1 << 16)))
	Converts a value into an IQ16 number. More...

#define	_IQ15(A) ((_iq15)((A) * ((_iq15)1 << 15)))
	Converts a value into an IQ15 number. More...

#define	_IQ14(A) ((_iq14)((A) * ((_iq14)1 << 14)))
	Converts a value into an IQ14 number. More...

#define	_IQ13(A) ((_iq13)((A) * ((_iq13)1 << 13)))
	Converts a value into an IQ13 number. More...

#define	_IQ12(A) ((_iq12)((A) * ((_iq12)1 << 12)))
	Converts a value into an IQ12 number. More...

#define	_IQ11(A) ((_iq11)((A) * ((_iq11)1 << 11)))
	Converts a value into an IQ11 number. More...

#define	_IQ10(A) ((_iq10)((A) * ((_iq10)1 << 10)))
	Converts a value into an IQ10 number. More...

#define	_IQ9(A) ((_iq9)((A) * ((_iq9)1 << 9)))
	Converts a value into an IQ9 number. More...

#define	_IQ8(A) ((_iq8)((A) * ((_iq8)1 << 8)))
	Converts a value into an IQ8 number. More...

#define	_IQ7(A) ((_iq7)((A) * ((_iq7)1 << 7)))
	Converts a value into an IQ7 number. More...

#define	_IQ6(A) ((_iq6)((A) * ((_iq6)1 << 6)))
	Converts a value into an IQ6 number. More...

#define	_IQ5(A) ((_iq5)((A) * ((_iq5)1 << 5)))
	Converts a value into an IQ5 number. More...

#define	_IQ4(A) ((_iq4)((A) * ((_iq4)1 << 4)))
	Converts a value into an IQ4 number. More...

#define	_IQ3(A) ((_iq3)((A) * ((_iq3)1 << 3)))
	Converts a value into an IQ3 number. More...

#define	_IQ2(A) ((_iq2)((A) * ((_iq2)1 << 2)))
	Converts a value into an IQ2 number. More...

#define	_IQ1(A) ((_iq1)((A) * ((_iq1)1 << 1)))
	Converts a value into an IQ1 number. More...

#define	_IQ(A) _IQ24(A)
	Converts a value into an the global IQ format. More...

#define	_IQtoF(A) _IQ24toF(A)
	Convert a global IQ format number to a floating point value. More...

#define	_IQsat(A, Pos, Neg)
	Saturates an IQ number in a given range. More...

#define	_IQmpy(A, B) _IQ24mpy(A, B)
	Multiplies two global IQ format numbers. More...

#define	_IQrmpy(A, B) _IQ24rmpy(A, B)
	Multiplies two global IQ format numbers, with rounding. More...

#define	_IQrsmpy(A, B) _IQ24rsmpy(A, B)
	Multiplies two global IQ format numbers, with rounding and saturation. More...

#define	_IQdiv(A, B) _IQ24div(A, B)
	Divides two global IQ format numbers. More...

#define	_IQsin(A) _IQ24sin(A)
	Computes the sine of a global IQ format input, in radians. More...

#define	_IQsinPU(A) _IQ24sinPU(A)
	Computes the sine of a global IQ format input. More...

#define	_IQasin(A) _IQ24asin(A)
	Computes the inverse sine of a global IQ format input. More...

#define	_IQcos(A) _IQ24cos(A)
	Computes the cosine of a global IQ format input, in radians. More...

#define	_IQcosPU(A) _IQ24cosPU(A)
	Computes the cossine of a global IQ format input. More...

#define	_IQ29acos(A) (_IQ29(1.570796327) - _IQ29asin(A))
	Computes the inverse cosine of an IQ29 type input. More...

#define	_IQ28acos(A) (_IQ28(1.570796327) - _IQ28asin(A))
	Computes the inverse cosine of an IQ28 type input. More...

#define	_IQ27acos(A) (_IQ27(1.570796327) - _IQ27asin(A))
	Computes the inverse cosine of an IQ27 type input. More...

#define	_IQ26acos(A) (_IQ26(1.570796327) - _IQ26asin(A))
	Computes the inverse cosine of an IQ26 type input. More...

#define	_IQ25acos(A) (_IQ25(1.570796327) - _IQ25asin(A))
	Computes the inverse cosine of an IQ25 type input. More...

#define	_IQ24acos(A) (_IQ24(1.570796327) - _IQ24asin(A))
	Computes the inverse cosine of an IQ24 type input. More...

#define	_IQ23acos(A) (_IQ23(1.570796327) - _IQ23asin(A))
	Computes the inverse cosine of an IQ23 type input. More...

#define	_IQ22acos(A) (_IQ22(1.570796327) - _IQ22asin(A))
	Computes the inverse cosine of an IQ22 type input. More...

#define	_IQ21acos(A) (_IQ21(1.570796327) - _IQ21asin(A))
	Computes the inverse cosine of an IQ21 type input. More...

#define	_IQ20acos(A) (_IQ20(1.570796327) - _IQ20asin(A))
	Computes the inverse cosine of an IQ20 type input. More...

#define	_IQ19acos(A) (_IQ19(1.570796327) - _IQ19asin(A))
	Computes the inverse cosine of an IQ19 type input. More...

#define	_IQ18acos(A) (_IQ18(1.570796327) - _IQ18asin(A))
	Computes the inverse cosine of an IQ18 type input. More...

#define	_IQ17acos(A) (_IQ17(1.570796327) - _IQ17asin(A))
	Computes the inverse cosine of an IQ17 type input. More...

#define	_IQ16acos(A) (_IQ16(1.570796327) - _IQ16asin(A))
	Computes the inverse cosine of an IQ16 type input. More...

#define	_IQ15acos(A) (_IQ15(1.570796327) - _IQ15asin(A))
	Computes the inverse cosine of an IQ15 type input. More...

#define	_IQ14acos(A) (_IQ14(1.570796327) - _IQ14asin(A))
	Computes the inverse cosine of an IQ14 type input. More...

#define	_IQ13acos(A) (_IQ13(1.570796327) - _IQ13asin(A))
	Computes the inverse cosine of an IQ13 type input. More...

#define	_IQ12acos(A) (_IQ12(1.570796327) - _IQ12asin(A))
	Computes the inverse cosine of an IQ12 type input. More...

#define	_IQ11acos(A) (_IQ11(1.570796327) - _IQ11asin(A))
	Computes the inverse cosine of an IQ11 type input. More...

#define	_IQ10acos(A) (_IQ10(1.570796327) - _IQ10asin(A))
	Computes the inverse cosine of an IQ10 type input. More...

#define	_IQ9acos(A) (_IQ9(1.570796327) - _IQ9asin(A))
	Computes the inverse cosine of an IQ9 type input. More...

#define	_IQ8acos(A) (_IQ8(1.570796327) - _IQ8asin(A))
	Computes the inverse cosine of an IQ8 type input. More...

#define	_IQ7acos(A) (_IQ7(1.570796327) - _IQ7asin(A))
	Computes the inverse cosine of an IQ7 type input. More...

#define	_IQ6acos(A) (_IQ6(1.570796327) - _IQ6asin(A))
	Computes the inverse cosine of an IQ6 type input. More...

#define	_IQ5acos(A) (_IQ5(1.570796327) - _IQ5asin(A))
	Computes the inverse cosine of an IQ5 type input. More...

#define	_IQ4acos(A) (_IQ4(1.570796327) - _IQ4asin(A))
	Computes the inverse cosine of an IQ4 type input. More...

#define	_IQ3acos(A) (_IQ3(1.570796327) - _IQ3asin(A))
	Computes the inverse cosine of an IQ3 type input. More...

#define	_IQ2acos(A) (_IQ2(1.570796327) - _IQ2asin(A))
	Computes the inverse cosine of an IQ2 type input. More...

#define	_IQ1acos(A) (_IQ1(1.570796327) - _IQ1asin(A))
	Computes the inverse cosine of an IQ1 type input. More...

#define	_IQacos(A) _IQ24acos(A)
	Computes the inverse cosine of a global IQ format input. More...

#define	_IQatan2(A, B) _IQ24atan2(A, B)
	Compute the 4-quadrant arctangent of a global IQ format input, in radians. More...

#define	_IQatan2PU(A, B) _IQ24atan2PU(A, B)
	Compute the 4-quadrant arctangent of a global IQ format input. More...

#define	_IQ29atan(A) _IQ29atan2(A, _IQ29(1.0))
	Computes the inverse tangnet of an IQ29 format input. More...

#define	_IQ28atan(A) _IQ28atan2(A, _IQ28(1.0))
	Computes the inverse tangnet of an IQ28 format input. More...

#define	_IQ27atan(A) _IQ27atan2(A, _IQ27(1.0))
	Computes the inverse tangnet of an IQ27 format input. More...

#define	_IQ26atan(A) _IQ26atan2(A, _IQ26(1.0))
	Computes the inverse tangnet of an IQ26 format input. More...

#define	_IQ25atan(A) _IQ25atan2(A, _IQ25(1.0))
	Computes the inverse tangnet of an IQ25 format input. More...

#define	_IQ24atan(A) _IQ24atan2(A, _IQ24(1.0))
	Computes the inverse tangnet of an IQ24 format input. More...

#define	_IQ23atan(A) _IQ23atan2(A, _IQ23(1.0))
	Computes the inverse tangnet of an IQ23 format input. More...

#define	_IQ22atan(A) _IQ22atan2(A, _IQ22(1.0))
	Computes the inverse tangnet of an IQ22 format input. More...

#define	_IQ21atan(A) _IQ21atan2(A, _IQ21(1.0))
	Computes the inverse tangnet of an IQ21 format input. More...

#define	_IQ20atan(A) _IQ20atan2(A, _IQ20(1.0))
	Computes the inverse tangnet of an IQ20 format input. More...

#define	_IQ19atan(A) _IQ19atan2(A, _IQ19(1.0))
	Computes the inverse tangnet of an IQ19 format input. More...

#define	_IQ18atan(A) _IQ18atan2(A, _IQ18(1.0))
	Computes the inverse tangnet of an IQ18 format input. More...

#define	_IQ17atan(A) _IQ17atan2(A, _IQ17(1.0))
	Computes the inverse tangnet of an IQ17 format input. More...

#define	_IQ16atan(A) _IQ16atan2(A, _IQ16(1.0))
	Computes the inverse tangnet of an IQ16 format input. More...

#define	_IQ15atan(A) _IQ15atan2(A, _IQ15(1.0))
	Computes the inverse tangnet of an IQ15 format input. More...

#define	_IQ14atan(A) _IQ14atan2(A, _IQ14(1.0))
	Computes the inverse tangnet of an IQ14 format input. More...

#define	_IQ13atan(A) _IQ13atan2(A, _IQ13(1.0))
	Computes the inverse tangnet of an IQ13 format input. More...

#define	_IQ12atan(A) _IQ12atan2(A, _IQ12(1.0))
	Computes the inverse tangnet of an IQ12 format input. More...

#define	_IQ11atan(A) _IQ11atan2(A, _IQ11(1.0))
	Computes the inverse tangnet of an IQ11 format input. More...

#define	_IQ10atan(A) _IQ10atan2(A, _IQ10(1.0))
	Computes the inverse tangnet of an IQ10 format input. More...

#define	_IQ9atan(A) _IQ9atan2(A, _IQ9(1.0))
	Computes the inverse tangnet of an IQ9 format input. More...

#define	_IQ8atan(A) _IQ8atan2(A, _IQ8(1.0))
	Computes the inverse tangnet of an IQ8 format input. More...

#define	_IQ7atan(A) _IQ7atan2(A, _IQ7(1.0))
	Computes the inverse tangnet of an IQ7 format input. More...

#define	_IQ6atan(A) _IQ6atan2(A, _IQ6(1.0))
	Computes the inverse tangnet of an IQ6 format input. More...

#define	_IQ5atan(A) _IQ5atan2(A, _IQ5(1.0))
	Computes the inverse tangnet of an IQ5 format input. More...

#define	_IQ4atan(A) _IQ4atan2(A, _IQ4(1.0))
	Computes the inverse tangnet of an IQ4 format input. More...

#define	_IQ3atan(A) _IQ3atan2(A, _IQ3(1.0))
	Computes the inverse tangnet of an IQ3 format input. More...

#define	_IQ2atan(A) _IQ2atan2(A, _IQ2(1.0))
	Computes the inverse tangnet of an IQ2 format input. More...

#define	_IQ1atan(A) _IQ1atan2(A, _IQ1(1.0))
	Computes the inverse tangnet of an IQ1 format input. More...

#define	_IQatan(A) _IQ24atan2(A, _IQ24(1.0))
	Computes the inverse tangent of a global IQ format input. More...

#define	_IQsqrt(A) _IQ24sqrt(A)
	Calculate square root of a global IQ format input. More...

#define	_IQisqrt(A) _IQ24isqrt(A)
	Computes 1 over the square root of a global IQ format number. More...

#define	_IQexp(A) _IQ24exp(A)
	Computes the exponential of a global IQ format input. More...

#define	_IQlog(A) _IQ24log(A)
	Computes the base-e logarithm of a global IQ format input. More...

#define	_IQ30int(A) ((A) >> 30)
	Returns the integer portion of an IQ30 type number. More...

#define	_IQ29int(A) ((A) >> 29)
	Returns the integer portion of an IQ29 type number. More...

#define	_IQ28int(A) ((A) >> 28)
	Returns the integer portion of an IQ28 type number. More...

#define	_IQ27int(A) ((A) >> 27)
	Returns the integer portion of an IQ27 type number. More...

#define	_IQ26int(A) ((A) >> 26)
	Returns the integer portion of an IQ26 type number. More...

#define	_IQ25int(A) ((A) >> 25)
	Returns the integer portion of an IQ25 type number. More...

#define	_IQ24int(A) ((A) >> 24)
	Returns the integer portion of an IQ24 type number. More...

#define	_IQ23int(A) ((A) >> 23)
	Returns the integer portion of an IQ23 type number. More...

#define	_IQ22int(A) ((A) >> 22)
	Returns the integer portion of an IQ22 type number. More...

#define	_IQ21int(A) ((A) >> 21)
	Returns the integer portion of an IQ21 type number. More...

#define	_IQ20int(A) ((A) >> 20)
	Returns the integer portion of an IQ20 type number. More...

#define	_IQ19int(A) ((A) >> 19)
	Returns the integer portion of an IQ19 type number. More...

#define	_IQ18int(A) ((A) >> 18)
	Returns the integer portion of an IQ18 type number. More...

#define	_IQ17int(A) ((A) >> 17)
	Returns the integer portion of an IQ17 type number. More...

#define	_IQ16int(A) ((A) >> 16)
	Returns the integer portion of an IQ16 type number. More...

#define	_IQ15int(A) ((A) >> 15)
	Returns the integer portion of an IQ15 type number. More...

#define	_IQ14int(A) ((A) >> 14)
	Returns the integer portion of an IQ14 type number. More...

#define	_IQ13int(A) ((A) >> 13)
	Returns the integer portion of an IQ13 type number. More...

#define	_IQ12int(A) ((A) >> 12)
	Returns the integer portion of an IQ12 type number. More...

#define	_IQ11int(A) ((A) >> 11)
	Returns the integer portion of an IQ11 type number. More...

#define	_IQ10int(A) ((A) >> 10)
	Returns the integer portion of an IQ10 type number. More...

#define	_IQ9int(A) ((A) >> 9)
	Returns the integer portion of an IQ9 type number. More...

#define	_IQ8int(A) ((A) >> 8)
	Returns the integer portion of an IQ8 type number. More...

#define	_IQ7int(A) ((A) >> 7)
	Returns the integer portion of an IQ7 type number. More...

#define	_IQ6int(A) ((A) >> 6)
	Returns the integer portion of an IQ6 type number. More...

#define	_IQ5int(A) ((A) >> 5)
	Returns the integer portion of an IQ5 type number. More...

#define	_IQ4int(A) ((A) >> 4)
	Returns the integer portion of an IQ4 type number. More...

#define	_IQ3int(A) ((A) >> 3)
	Returns the integer portion of an IQ3 type number. More...

#define	_IQ2int(A) ((A) >> 2)
	Returns the integer portion of an IQ2 type number. More...

#define	_IQ1int(A) ((A) >> 1)
	Returns the integer portion of an IQ1 type number. More...

#define	_IQint(A) ((A) >> GLOBAL_IQ)
	Returns the integer portion of a global IQ format number. More...

#define	_IQfrac(A) _IQ24frac(A)
	Computes the fractional portion a global IQ format number. More...

#define	_IQmpyIQX(A, n1, B, n2) _IQ24mpyIQX(A, n1, B, n2)
	Multiply two IQ numbers in different IQ formats, returning the product in global IQ format. More...

#define	_IQ30mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ30 numbers. More...

#define	_IQ29mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ29 numbers. More...

#define	_IQ28mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ28 numbers. More...

#define	_IQ27mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ27 numbers. More...

#define	_IQ26mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ26 numbers. More...

#define	_IQ25mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ25 numbers. More...

#define	_IQ24mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ24 numbers. More...

#define	_IQ23mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ23 numbers. More...

#define	_IQ22mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ22 numbers. More...

#define	_IQ21mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ21 numbers. More...

#define	_IQ20mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ20 numbers. More...

#define	_IQ19mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ19 numbers. More...

#define	_IQ18mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ18 numbers. More...

#define	_IQ17mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ17 numbers. More...

#define	_IQ16mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ16 numbers. More...

#define	_IQ15mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ15 numbers. More...

#define	_IQ14mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ14 numbers. More...

#define	_IQ13mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ13 numbers. More...

#define	_IQ12mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ12 numbers. More...

#define	_IQ11mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ11 numbers. More...

#define	_IQ10mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ10 numbers. More...

#define	_IQ9mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ9 numbers. More...

#define	_IQ8mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ8 numbers. More...

#define	_IQ7mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ7 numbers. More...

#define	_IQ6mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ6 numbers. More...

#define	_IQ5mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ5 numbers. More...

#define	_IQ4mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ4 numbers. More...

#define	_IQ3mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ3 numbers. More...

#define	_IQ2mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ2 numbers. More...

#define	_IQ1mag(A, B) _IQmag(A, B)
	Computes the square root of A^2 + B^2 using IQ1 numbers. More...

#define	_IQimag(A, B) _IQ24imag(A, B)
	Computes the inverse square root of A^2 + B^2 using IQ1 numbers. More...

#define	_atoIQ(A) _atoIQ24(A)
	Converts a string into a global IQ format number. More...

#define	_IQtoa(A, B, C) _IQ24toa(A, B, C)
	Converts a global IQ format input into a string. More...

#define	_IQ30abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ30 number. More...

#define	_IQ29abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ29 number. More...

#define	_IQ28abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ28 number. More...

#define	_IQ27abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ27 number. More...

#define	_IQ26abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ26 number. More...

#define	_IQ25abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ25 number. More...

#define	_IQ24abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ24 number. More...

#define	_IQ23abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ23 number. More...

#define	_IQ22abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ22 number. More...

#define	_IQ21abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ21 number. More...

#define	_IQ20abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ20 number. More...

#define	_IQ19abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ19 number. More...

#define	_IQ18abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ18 number. More...

#define	_IQ17abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ17 number. More...

#define	_IQ16abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ16 number. More...

#define	_IQ15abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ15 number. More...

#define	_IQ14abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ14 number. More...

#define	_IQ13abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ13 number. More...

#define	_IQ12abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ12 number. More...

#define	_IQ11abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ11 number. More...

#define	_IQ10abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ10 number. More...

#define	_IQ9abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ9 number. More...

#define	_IQ8abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ8 number. More...

#define	_IQ7abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ7 number. More...

#define	_IQ6abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ6 number. More...

#define	_IQ5abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ5 number. More...

#define	_IQ4abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ4 number. More...

#define	_IQ3abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ3 number. More...

#define	_IQ2abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ2 number. More...

#define	_IQ1abs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an IQ1 number. More...

#define	_IQabs(A) (((A) < 0) ? - (A) : (A))
	Computes the absolute value of an global IQ format number. More...

Functions
int32_t	_IQmag (int32_t A, int32_t B)
	Calculate the magnitude of two IQ31 inputs. More...

Macro Definition Documentation

§ _IQmpy2

#define _IQmpy2 ( A ) ((A) << 1)

Multiplies an IQ value by 2.

Parameters

A	IQ type input.

Returns: IQ type result of multiplication.

§ _IQmpy4

#define _IQmpy4 ( A ) ((A) << 2)

Multiplies an IQ value by 4.

Parameters

A	IQ type input.

Returns: IQ type result of multiplication.

§ _IQmpy8

#define _IQmpy8 ( A ) ((A) << 3)

Multiplies an IQ value by 8.

Parameters

A	IQ type input.

Returns: IQ type result of multiplication.

§ _IQmpy16

#define _IQmpy16 ( A ) ((A) << 4)

Multiplies an IQ value by 16.

Parameters

A	IQ type input.

Returns: IQ type result of multiplication.

§ _IQmpy32

#define _IQmpy32 ( A ) ((A) << 5)

Multiplies an IQ value by 32.

Parameters

A	IQ type input.

Returns: IQ type result of multiplication.

§ _IQmpy64

#define _IQmpy64 ( A ) ((A) << 6)

Multiplies an IQ value by 64.

Parameters

A	IQ type input.

Returns: IQ type result of multiplication.

§ _IQdiv2

#define _IQdiv2 ( A ) ((A) >> 1)

Divides an IQ value by 2.

Parameters

A	IQ type input.

Returns: IQ type result of division.

§ _IQdiv4

#define _IQdiv4 ( A ) ((A) >> 2)

Divides an IQ value by 4.

Parameters

A	IQ type input.

Returns: IQ type result of division.

§ _IQdiv8

#define _IQdiv8 ( A ) ((A) >> 3)

Divides an IQ value by 8.

Parameters

A	IQ type input.

Returns: IQ type result of division.

§ _IQdiv16

#define _IQdiv16 ( A ) ((A) >> 4)

Divides an IQ value by 16.

Parameters

A	IQ type input.

Returns: IQ type result of division.

§ _IQdiv32

#define _IQdiv32 ( A ) ((A) >> 5)

Divides an IQ value by 32.

Parameters

A	IQ type input.

Returns: IQ type result of division.

§ _IQdiv64

#define _IQdiv64 ( A ) ((A) >> 6)

Divides an IQ value by 64.

Parameters

A	IQ type input.

Returns: IQ type result of division.

§ _IQ30

#define _IQ30 ( A ) ((_iq30)((A) * ((_iq30)1 << 30)))

Converts a value into an IQ30 number.

Parameters

A	Number input.

Returns: IQ30 type result.

§ _IQ29

#define _IQ29 ( A ) ((_iq29)((A) * ((_iq29)1 << 29)))

Converts a value into an IQ29 number.

Parameters

A	Number input.

Returns: IQ29 type result.

§ _IQ28

#define _IQ28 ( A ) ((_iq28)((A) * ((_iq28)1 << 28)))

Converts a value into an IQ28 number.

Parameters

A	Number input.

Returns: IQ28 type result.

§ _IQ27

#define _IQ27 ( A ) ((_iq27)((A) * ((_iq27)1 << 27)))

Converts a value into an IQ27 number.

Parameters

A	Number input.

Returns: IQ27 type result.

§ _IQ26

#define _IQ26 ( A ) ((_iq26)((A) * ((_iq26)1 << 26)))

Converts a value into an IQ26 number.

Parameters

A	Number input.

Returns: IQ26 type result.

§ _IQ25

#define _IQ25 ( A ) ((_iq25)((A) * ((_iq25)1 << 25)))

Converts a value into an IQ25 number.

Parameters

A	Number input.

Returns: IQ25 type result.

§ _IQ24

#define _IQ24 ( A ) ((_iq24)((A) * ((_iq24)1 << 24)))

Converts a value into an IQ24 number.

Parameters

A	Number input.

Returns: IQ24 type result.

§ _IQ23

#define _IQ23 ( A ) ((_iq23)((A) * ((_iq23)1 << 23)))

Converts a value into an IQ23 number.

Parameters

A	Number input.

Returns: IQ23 type result.

§ _IQ22

#define _IQ22 ( A ) ((_iq22)((A) * ((_iq22)1 << 22)))

Converts a value into an IQ22 number.

Parameters

A	Number input.

Returns: IQ22 type result.

§ _IQ21

#define _IQ21 ( A ) ((_iq21)((A) * ((_iq21)1 << 21)))

Converts a value into an IQ21 number.

Parameters

A	Number input.

Returns: IQ21 type result.

§ _IQ20

#define _IQ20 ( A ) ((_iq20)((A) * ((_iq20)1 << 20)))

Converts a value into an IQ20 number.

Parameters

A	Number input.

Returns: IQ20 type result.

§ _IQ19

#define _IQ19 ( A ) ((_iq19)((A) * ((_iq19)1 << 19)))

Converts a value into an IQ19 number.

Parameters

A	Number input.

Returns: IQ19 type result.

§ _IQ18

#define _IQ18 ( A ) ((_iq18)((A) * ((_iq18)1 << 18)))

Converts a value into an IQ18 number.

Parameters

A	Number input.

Returns: IQ18 type result.

§ _IQ17

#define _IQ17 ( A ) ((_iq17)((A) * ((_iq17)1 << 17)))

Converts a value into an IQ17 number.

Parameters

A	Number input.

Returns: IQ17 type result.

§ _IQ16

#define _IQ16 ( A ) ((_iq16)((A) * ((_iq16)1 << 16)))

Converts a value into an IQ16 number.

Parameters

A	Number input.

Returns: IQ16 type result.

§ _IQ15

#define _IQ15 ( A ) ((_iq15)((A) * ((_iq15)1 << 15)))

Converts a value into an IQ15 number.

Parameters

A	Number input.

Returns: IQ15 type result.

§ _IQ14

#define _IQ14 ( A ) ((_iq14)((A) * ((_iq14)1 << 14)))

Converts a value into an IQ14 number.

Parameters

A	Number input.

Returns: IQ14 type result.

§ _IQ13

#define _IQ13 ( A ) ((_iq13)((A) * ((_iq13)1 << 13)))

Converts a value into an IQ13 number.

Parameters

A	Number input.

Returns: IQ13 type result.

§ _IQ12

#define _IQ12 ( A ) ((_iq12)((A) * ((_iq12)1 << 12)))

Converts a value into an IQ12 number.

Parameters

A	Number input.

Returns: IQ12 type result.

§ _IQ11

#define _IQ11 ( A ) ((_iq11)((A) * ((_iq11)1 << 11)))

Converts a value into an IQ11 number.

Parameters

A	Number input.

Returns: IQ11 type result.

§ _IQ10

#define _IQ10 ( A ) ((_iq10)((A) * ((_iq10)1 << 10)))

Converts a value into an IQ10 number.

Parameters

A	Number input.

Returns: IQ10 type result.

§ _IQ9

#define _IQ9 ( A ) ((_iq9)((A) * ((_iq9)1 << 9)))

Converts a value into an IQ9 number.

Parameters

A	Number input.

Returns: IQ9 type result.

§ _IQ8

#define _IQ8 ( A ) ((_iq8)((A) * ((_iq8)1 << 8)))

Converts a value into an IQ8 number.

Parameters

A	Number input.

Returns: IQ8 type result.

§ _IQ7

#define _IQ7 ( A ) ((_iq7)((A) * ((_iq7)1 << 7)))

Converts a value into an IQ7 number.

Parameters

A	Number input.

Returns: IQ7 type result.

§ _IQ6

#define _IQ6 ( A ) ((_iq6)((A) * ((_iq6)1 << 6)))

Converts a value into an IQ6 number.

Parameters

A	Number input.

Returns: IQ6 type result.

§ _IQ5

#define _IQ5 ( A ) ((_iq5)((A) * ((_iq5)1 << 5)))

Converts a value into an IQ5 number.

Parameters

A	Number input.

Returns: IQ5 type result.

§ _IQ4

#define _IQ4 ( A ) ((_iq4)((A) * ((_iq4)1 << 4)))

Converts a value into an IQ4 number.

Parameters

A	Number input.

Returns: IQ4 type result.

§ _IQ3

#define _IQ3 ( A ) ((_iq3)((A) * ((_iq3)1 << 3)))

Converts a value into an IQ3 number.

Parameters

A	Number input.

Returns: IQ3 type result.

§ _IQ2

#define _IQ2 ( A ) ((_iq2)((A) * ((_iq2)1 << 2)))

Converts a value into an IQ2 number.

Parameters

A	Number input.

Returns: IQ2 type result.

§ _IQ1

#define _IQ1 ( A ) ((_iq1)((A) * ((_iq1)1 << 1)))

Converts a value into an IQ1 number.

Parameters

A	Number input.

Returns: IQ1 type result.

§ _IQ

#define _IQ ( A ) _IQ24(A)

Converts a value into an the global IQ format.

Parameters

A	Number input.

Returns: Global IQ type result.

§ _IQtoF

#define _IQtoF ( A ) _IQ24toF(A)

Convert a global IQ format number to a floating point value.

Parameters

A	Number input.

Returns: Global IQ type result.

§ _IQsat

#define _IQsat	(	A,
		Pos,
		Neg
	)

Value:

(((A) > (Pos)) ?                              \
                                 (Pos) :                                      \
                                 (((A) < (Neg)) ? (Neg) : (A)))

Saturates an IQ number in a given range.

Parameters

A	IQ number to be saturated.
Pos	Maximum positive value.
Neg	Minimum negative Value.

Returns: Saturated IQ type result.

§ _IQmpy

#define _IQmpy	(	A,
		B
	)	_IQ24mpy(A, B)

Multiplies two global IQ format numbers.

Parameters

A	Global IQ format number to be multiplied.
B	Global IQ format number to be multiplied.

Returns: Global IQ type result of multiplication.

§ _IQrmpy

#define _IQrmpy	(	A,
		B
	)	_IQ24rmpy(A, B)

Multiplies two global IQ format numbers, with rounding.

Parameters

A	Global IQ format number to be multiplied.
B	Global IQ format number to be multiplied.

Returns: Global IQ type result of multiplication.

§ _IQrsmpy

#define _IQrsmpy	(	A,
		B
	)	_IQ24rsmpy(A, B)

Multiplies two global IQ format numbers, with rounding and saturation.

Parameters

A	Global IQ format number to be multiplied.
B	Global IQ format number to be multiplied.

Returns: Global IQ type result of multiplication.

§ _IQdiv

#define _IQdiv	(	A,
		B
	)	_IQ24div(A, B)

Divides two global IQ format numbers.

Parameters

A	Global IQ format numerator to be divided.
B	Global IQ format denominator to divide by.

Returns: Global IQ type result of division.

§ _IQsin

#define _IQsin ( A ) _IQ24sin(A)

Computes the sine of a global IQ format input, in radians.

Parameters

A	Global IQ format input.

Returns: Global IQ type result of sine operation.

§ _IQsinPU

#define _IQsinPU ( A ) _IQ24sinPU(A)

Computes the sine of a global IQ format input.

Parameters

A	Global IQ format input.

Returns: Global IQ type per-unit result of sine operation.

§ _IQasin

#define _IQasin ( A ) _IQ24asin(A)

Computes the inverse sine of a global IQ format input.

Parameters

A	Global IQ format input.

Returns: Global IQ type result of inverse sine operation.

§ _IQcos

#define _IQcos ( A ) _IQ24cos(A)

Computes the cosine of a global IQ format input, in radians.

Parameters

A	Global IQ format input.

Returns: Global IQ type result of cosine operation.

§ _IQcosPU

#define _IQcosPU ( A ) _IQ24cosPU(A)

Computes the cossine of a global IQ format input.

Parameters

A	Global IQ format input.

Returns: Global IQ type per-unit result of cosine operation.

§ _IQ29acos

#define _IQ29acos ( A ) (_IQ29(1.570796327) - _IQ29asin(A))

Computes the inverse cosine of an IQ29 type input.

Parameters

A	IQ29 input.

Returns: IQ29 type result of inverse cosine operation.

§ _IQ28acos

#define _IQ28acos ( A ) (_IQ28(1.570796327) - _IQ28asin(A))

Computes the inverse cosine of an IQ28 type input.

Parameters

A	IQ28 input.

Returns: IQ28 type result of inverse cosine operation.

§ _IQ27acos

#define _IQ27acos ( A ) (_IQ27(1.570796327) - _IQ27asin(A))

Computes the inverse cosine of an IQ27 type input.

Parameters

A	IQ27 input.

Returns: IQ27 type result of inverse cosine operation.

§ _IQ26acos

#define _IQ26acos ( A ) (_IQ26(1.570796327) - _IQ26asin(A))

Computes the inverse cosine of an IQ26 type input.

Parameters

A	IQ26 input.

Returns: IQ26 type result of inverse cosine operation.

§ _IQ25acos

#define _IQ25acos ( A ) (_IQ25(1.570796327) - _IQ25asin(A))

Computes the inverse cosine of an IQ25 type input.

Parameters

A	IQ25 input.

Returns: IQ25 type result of inverse cosine operation.

§ _IQ24acos

#define _IQ24acos ( A ) (_IQ24(1.570796327) - _IQ24asin(A))

Computes the inverse cosine of an IQ24 type input.

Parameters

A	IQ24 input.

Returns: IQ24 type result of inverse cosine operation.

§ _IQ23acos

#define _IQ23acos ( A ) (_IQ23(1.570796327) - _IQ23asin(A))

Computes the inverse cosine of an IQ23 type input.

Parameters

A	IQ23 input.

Returns: IQ23 type result of inverse cosine operation.

§ _IQ22acos

#define _IQ22acos ( A ) (_IQ22(1.570796327) - _IQ22asin(A))

Computes the inverse cosine of an IQ22 type input.

Parameters

A	IQ22 input.

Returns: IQ22 type result of inverse cosine operation.

§ _IQ21acos

#define _IQ21acos ( A ) (_IQ21(1.570796327) - _IQ21asin(A))

Computes the inverse cosine of an IQ21 type input.

Parameters

A	IQ21 input.

Returns: IQ21 type result of inverse cosine operation.

§ _IQ20acos

#define _IQ20acos ( A ) (_IQ20(1.570796327) - _IQ20asin(A))

Computes the inverse cosine of an IQ20 type input.

Parameters

A	IQ20 input.

Returns: IQ20 type result of inverse cosine operation.

§ _IQ19acos

#define _IQ19acos ( A ) (_IQ19(1.570796327) - _IQ19asin(A))

Computes the inverse cosine of an IQ19 type input.

Parameters

A	IQ19 input.

Returns: IQ19 type result of inverse cosine operation.

§ _IQ18acos

#define _IQ18acos ( A ) (_IQ18(1.570796327) - _IQ18asin(A))

Computes the inverse cosine of an IQ18 type input.

Parameters

A	IQ18 input.

Returns: IQ18 type result of inverse cosine operation.

§ _IQ17acos

#define _IQ17acos ( A ) (_IQ17(1.570796327) - _IQ17asin(A))

Computes the inverse cosine of an IQ17 type input.

Parameters

A	IQ17 input.

Returns: IQ17 type result of inverse cosine operation.

§ _IQ16acos

#define _IQ16acos ( A ) (_IQ16(1.570796327) - _IQ16asin(A))

Computes the inverse cosine of an IQ16 type input.

Parameters

A	IQ16 input.

Returns: IQ16 type result of inverse cosine operation.

§ _IQ15acos

#define _IQ15acos ( A ) (_IQ15(1.570796327) - _IQ15asin(A))

Computes the inverse cosine of an IQ15 type input.

Parameters

A	IQ15 input.

Returns: IQ15 type result of inverse cosine operation.

§ _IQ14acos

#define _IQ14acos ( A ) (_IQ14(1.570796327) - _IQ14asin(A))

Computes the inverse cosine of an IQ14 type input.

Parameters

A	IQ14 input.

Returns: IQ14 type result of inverse cosine operation.

§ _IQ13acos

#define _IQ13acos ( A ) (_IQ13(1.570796327) - _IQ13asin(A))

Computes the inverse cosine of an IQ13 type input.

Parameters

A	IQ13 input.

Returns: IQ13 type result of inverse cosine operation.

§ _IQ12acos

#define _IQ12acos ( A ) (_IQ12(1.570796327) - _IQ12asin(A))

Computes the inverse cosine of an IQ12 type input.

Parameters

A	IQ12 input.

Returns: IQ12 type result of inverse cosine operation.

§ _IQ11acos

#define _IQ11acos ( A ) (_IQ11(1.570796327) - _IQ11asin(A))

Computes the inverse cosine of an IQ11 type input.

Parameters

A	IQ11 input.

Returns: IQ11 type result of inverse cosine operation.

§ _IQ10acos

#define _IQ10acos ( A ) (_IQ10(1.570796327) - _IQ10asin(A))

Computes the inverse cosine of an IQ10 type input.

Parameters

A	IQ10 input.

Returns: IQ10 type result of inverse cosine operation.

§ _IQ9acos

#define _IQ9acos ( A ) (_IQ9(1.570796327) - _IQ9asin(A))

Computes the inverse cosine of an IQ9 type input.

Parameters

A	IQ9 input.

Returns: IQ9 type result of inverse cosine operation.

§ _IQ8acos

#define _IQ8acos ( A ) (_IQ8(1.570796327) - _IQ8asin(A))

Computes the inverse cosine of an IQ8 type input.

Parameters

A	IQ8 input.

Returns: IQ8 type result of inverse cosine operation.

§ _IQ7acos

#define _IQ7acos ( A ) (_IQ7(1.570796327) - _IQ7asin(A))

Computes the inverse cosine of an IQ7 type input.

Parameters

A	IQ7 input.

Returns: IQ7 type result of inverse cosine operation.

§ _IQ6acos

#define _IQ6acos ( A ) (_IQ6(1.570796327) - _IQ6asin(A))

Computes the inverse cosine of an IQ6 type input.

Parameters

A	IQ6 input.

Returns: IQ6 type result of inverse cosine operation.

§ _IQ5acos

#define _IQ5acos ( A ) (_IQ5(1.570796327) - _IQ5asin(A))

Computes the inverse cosine of an IQ5 type input.

Parameters

A	IQ5 input.

Returns: IQ5 type result of inverse cosine operation.

§ _IQ4acos

#define _IQ4acos ( A ) (_IQ4(1.570796327) - _IQ4asin(A))

Computes the inverse cosine of an IQ4 type input.

Parameters

A	IQ4 input.

Returns: IQ4 type result of inverse cosine operation.

§ _IQ3acos

#define _IQ3acos ( A ) (_IQ3(1.570796327) - _IQ3asin(A))

Computes the inverse cosine of an IQ3 type input.

Parameters

A	IQ3 input.

Returns: IQ3 type result of inverse cosine operation.

§ _IQ2acos

#define _IQ2acos ( A ) (_IQ2(1.570796327) - _IQ2asin(A))

Computes the inverse cosine of an IQ2 type input.

Parameters

A	IQ2 input.

Returns: IQ2 type result of inverse cosine operation.

§ _IQ1acos

#define _IQ1acos ( A ) (_IQ1(1.570796327) - _IQ1asin(A))

Computes the inverse cosine of an IQ1 type input.

Parameters

A	IQ1 input.

Returns: IQ1 type result of inverse cosine operation.

§ _IQacos

#define _IQacos ( A ) _IQ24acos(A)

Computes the inverse cosine of a global IQ format input.

Parameters

A	Global IQ format input.

Returns: Global IQ type result of inverse cosine operation.

§ _IQatan2

#define _IQatan2	(	A,
		B
	)	_IQ24atan2(A, B)

Compute the 4-quadrant arctangent of a global IQ format input, in radians.

Parameters

A	Global IQ format input.
B	Global IQ format input.

Returns: Global IQ type result of 4-quadrant arctangent.

§ _IQatan2PU

#define _IQatan2PU	(	A,
		B
	)	_IQ24atan2PU(A, B)

Compute the 4-quadrant arctangent of a global IQ format input.

Parameters

A	Global IQ format input.
B	Global IQ format input.

Returns: Global IQ type per-unit result of 4-quadrant arctangent.

§ _IQ29atan

#define _IQ29atan ( A ) _IQ29atan2(A, _IQ29(1.0))

Computes the inverse tangnet of an IQ29 format input.

Parameters

A	IQ29 format input.

Returns: IQ29 type result of inverse tangent operation.

§ _IQ28atan

#define _IQ28atan ( A ) _IQ28atan2(A, _IQ28(1.0))

Computes the inverse tangnet of an IQ28 format input.

Parameters

A	IQ28 format input.

Returns: IQ28 type result of inverse tangent operation.

§ _IQ27atan

#define _IQ27atan ( A ) _IQ27atan2(A, _IQ27(1.0))

Computes the inverse tangnet of an IQ27 format input.

Parameters

A	IQ27 format input.

Returns: IQ27 type result of inverse tangent operation.

§ _IQ26atan

#define _IQ26atan ( A ) _IQ26atan2(A, _IQ26(1.0))

Computes the inverse tangnet of an IQ26 format input.

Parameters

A	IQ26 format input.

Returns: IQ26 type result of inverse tangent operation.

§ _IQ25atan

#define _IQ25atan ( A ) _IQ25atan2(A, _IQ25(1.0))

Computes the inverse tangnet of an IQ25 format input.

Parameters

A	IQ25 format input.

Returns: IQ25 type result of inverse tangent operation.

§ _IQ24atan

#define _IQ24atan ( A ) _IQ24atan2(A, _IQ24(1.0))

Computes the inverse tangnet of an IQ24 format input.

Parameters

A	IQ24 format input.

Returns: IQ24 type result of inverse tangent operation.

§ _IQ23atan

#define _IQ23atan ( A ) _IQ23atan2(A, _IQ23(1.0))

Computes the inverse tangnet of an IQ23 format input.

Parameters

A	IQ23 format input.

Returns: IQ23 type result of inverse tangent operation.

§ _IQ22atan

#define _IQ22atan ( A ) _IQ22atan2(A, _IQ22(1.0))

Computes the inverse tangnet of an IQ22 format input.

Parameters

A	IQ22 format input.

Returns: IQ22 type result of inverse tangent operation.

§ _IQ21atan

#define _IQ21atan ( A ) _IQ21atan2(A, _IQ21(1.0))

Computes the inverse tangnet of an IQ21 format input.

Parameters

A	IQ21 format input.

Returns: IQ21 type result of inverse tangent operation.

§ _IQ20atan

#define _IQ20atan ( A ) _IQ20atan2(A, _IQ20(1.0))

Computes the inverse tangnet of an IQ20 format input.

Parameters

A	IQ20 format input.

Returns: IQ20 type result of inverse tangent operation.

§ _IQ19atan

#define _IQ19atan ( A ) _IQ19atan2(A, _IQ19(1.0))

Computes the inverse tangnet of an IQ19 format input.

Parameters

A	IQ19 format input.

Returns: IQ19 type result of inverse tangent operation.

§ _IQ18atan

#define _IQ18atan ( A ) _IQ18atan2(A, _IQ18(1.0))

Computes the inverse tangnet of an IQ18 format input.

Parameters

A	IQ18 format input.

Returns: IQ18 type result of inverse tangent operation.

§ _IQ17atan

#define _IQ17atan ( A ) _IQ17atan2(A, _IQ17(1.0))

Computes the inverse tangnet of an IQ17 format input.

Parameters

A	IQ17 format input.

Returns: IQ17 type result of inverse tangent operation.

§ _IQ16atan

#define _IQ16atan ( A ) _IQ16atan2(A, _IQ16(1.0))

Computes the inverse tangnet of an IQ16 format input.

Parameters

A	IQ16 format input.

Returns: IQ16 type result of inverse tangent operation.

§ _IQ15atan

#define _IQ15atan ( A ) _IQ15atan2(A, _IQ15(1.0))

Computes the inverse tangnet of an IQ15 format input.

Parameters

A	IQ15 format input.

Returns: IQ15 type result of inverse tangent operation.

§ _IQ14atan

#define _IQ14atan ( A ) _IQ14atan2(A, _IQ14(1.0))

Computes the inverse tangnet of an IQ14 format input.

Parameters

A	IQ14 format input.

Returns: IQ14 type result of inverse tangent operation.

§ _IQ13atan

#define _IQ13atan ( A ) _IQ13atan2(A, _IQ13(1.0))

Computes the inverse tangnet of an IQ13 format input.

Parameters

A	IQ13 format input.

Returns: IQ13 type result of inverse tangent operation.

§ _IQ12atan

#define _IQ12atan ( A ) _IQ12atan2(A, _IQ12(1.0))

Computes the inverse tangnet of an IQ12 format input.

Parameters

A	IQ12 format input.

Returns: IQ12 type result of inverse tangent operation.

§ _IQ11atan

#define _IQ11atan ( A ) _IQ11atan2(A, _IQ11(1.0))

Computes the inverse tangnet of an IQ11 format input.

Parameters

A	IQ11 format input.

Returns: IQ11 type result of inverse tangent operation.

§ _IQ10atan

#define _IQ10atan ( A ) _IQ10atan2(A, _IQ10(1.0))

Computes the inverse tangnet of an IQ10 format input.

Parameters

A	IQ10 format input.

Returns: IQ10 type result of inverse tangent operation.

§ _IQ9atan

#define _IQ9atan ( A ) _IQ9atan2(A, _IQ9(1.0))

Computes the inverse tangnet of an IQ9 format input.

Parameters

A	IQ9 format input.

Returns: IQ9 type result of inverse tangent operation.

§ _IQ8atan

#define _IQ8atan ( A ) _IQ8atan2(A, _IQ8(1.0))

Computes the inverse tangnet of an IQ8 format input.

Parameters

A	IQ8 format input.

Returns: IQ8 type result of inverse tangent operation.

§ _IQ7atan

#define _IQ7atan ( A ) _IQ7atan2(A, _IQ7(1.0))

Computes the inverse tangnet of an IQ7 format input.

Parameters

A	IQ7 format input.

Returns: IQ7 type result of inverse tangent operation.

§ _IQ6atan

#define _IQ6atan ( A ) _IQ6atan2(A, _IQ6(1.0))

Computes the inverse tangnet of an IQ6 format input.

Parameters

A	IQ6 format input.

Returns: IQ6 type result of inverse tangent operation.

§ _IQ5atan

#define _IQ5atan ( A ) _IQ5atan2(A, _IQ5(1.0))

Computes the inverse tangnet of an IQ5 format input.

Parameters

A	IQ5 format input.

Returns: IQ5 type result of inverse tangent operation.

§ _IQ4atan

#define _IQ4atan ( A ) _IQ4atan2(A, _IQ4(1.0))

Computes the inverse tangnet of an IQ4 format input.

Parameters

A	IQ4 format input.

Returns: IQ4 type result of inverse tangent operation.

§ _IQ3atan

#define _IQ3atan ( A ) _IQ3atan2(A, _IQ3(1.0))

Computes the inverse tangnet of an IQ3 format input.

Parameters

A	IQ3 format input.

Returns: IQ3 type result of inverse tangent operation.

§ _IQ2atan

#define _IQ2atan ( A ) _IQ2atan2(A, _IQ2(1.0))

Computes the inverse tangnet of an IQ2 format input.

Parameters

A	IQ2 format input.

Returns: IQ2 type result of inverse tangent operation.

§ _IQ1atan

#define _IQ1atan ( A ) _IQ1atan2(A, _IQ1(1.0))

Computes the inverse tangnet of an IQ1 format input.

Parameters

A	IQ1 format input.

Returns: IQ1 type result of inverse tangent operation.

§ _IQatan

#define _IQatan ( A ) _IQ24atan2(A, _IQ24(1.0))

Computes the inverse tangent of a global IQ format input.

Parameters

A	Global IQ format input.

Returns: Global IQ type result of the inverse tangent.

§ _IQsqrt

#define _IQsqrt ( A ) _IQ24sqrt(A)

Calculate square root of a global IQ format input.

Parameters

A	Global IQ format input.

Returns: Global IQ type result of the square root operation.

§ _IQisqrt

#define _IQisqrt ( A ) _IQ24isqrt(A)

Computes 1 over the square root of a global IQ format number.

Parameters

A	Global IQ format input.

Returns: Global IQ type result of inverse square root operation.

§ _IQexp

#define _IQexp ( A ) _IQ24exp(A)

Computes the exponential of a global IQ format input.

Parameters

A	Global IQ format input.

Returns: Global IQ type result of exponential.

§ _IQlog

#define _IQlog ( A ) _IQ24log(A)

Computes the base-e logarithm of a global IQ format input.

Parameters

A	Global IQ format input.

Returns: Global IQ type result of base-e logarithm.

§ _IQ30int

#define _IQ30int ( A ) ((A) >> 30)

Returns the integer portion of an IQ30 type number.

Parameters

A	IQ30 type input.

Returns: Iinteger portion of input.

§ _IQ29int

#define _IQ29int ( A ) ((A) >> 29)

Returns the integer portion of an IQ29 type number.

Parameters

A	IQ29 type input.

Returns: Iinteger portion of input.

§ _IQ28int

#define _IQ28int ( A ) ((A) >> 28)

Returns the integer portion of an IQ28 type number.

Parameters

A	IQ28 type input.

Returns: Iinteger portion of input.

§ _IQ27int

#define _IQ27int ( A ) ((A) >> 27)

Returns the integer portion of an IQ27 type number.

Parameters

A	IQ27 type input.

Returns: Iinteger portion of input.

§ _IQ26int

#define _IQ26int ( A ) ((A) >> 26)

Returns the integer portion of an IQ26 type number.

Parameters

A	IQ26 type input.

Returns: Iinteger portion of input.

§ _IQ25int

#define _IQ25int ( A ) ((A) >> 25)

Returns the integer portion of an IQ25 type number.

Parameters

A	IQ25 type input.

Returns: Iinteger portion of input.

§ _IQ24int

#define _IQ24int ( A ) ((A) >> 24)

Returns the integer portion of an IQ24 type number.

Parameters

A	IQ24 type input.

Returns: Iinteger portion of input.

§ _IQ23int

#define _IQ23int ( A ) ((A) >> 23)

Returns the integer portion of an IQ23 type number.

Parameters

A	IQ23 type input.

Returns: Iinteger portion of input.

§ _IQ22int

#define _IQ22int ( A ) ((A) >> 22)

Returns the integer portion of an IQ22 type number.

Parameters

A	IQ22 type input.

Returns: Iinteger portion of input.

§ _IQ21int

#define _IQ21int ( A ) ((A) >> 21)

Returns the integer portion of an IQ21 type number.

Parameters

A	IQ21 type input.

Returns: Iinteger portion of input.

§ _IQ20int

#define _IQ20int ( A ) ((A) >> 20)

Returns the integer portion of an IQ20 type number.

Parameters

A	IQ20 type input.

Returns: Iinteger portion of input.

§ _IQ19int

#define _IQ19int ( A ) ((A) >> 19)

Returns the integer portion of an IQ19 type number.

Parameters

A	IQ19 type input.

Returns: Iinteger portion of input.

§ _IQ18int

#define _IQ18int ( A ) ((A) >> 18)

Returns the integer portion of an IQ18 type number.

Parameters

A	IQ18 type input.

Returns: Iinteger portion of input.

§ _IQ17int

#define _IQ17int ( A ) ((A) >> 17)

Returns the integer portion of an IQ17 type number.

Parameters

A	IQ17 type input.

Returns: Iinteger portion of input.

§ _IQ16int

#define _IQ16int ( A ) ((A) >> 16)

Returns the integer portion of an IQ16 type number.

Parameters

A	IQ16 type input.

Returns: Iinteger portion of input.

§ _IQ15int

#define _IQ15int ( A ) ((A) >> 15)

Returns the integer portion of an IQ15 type number.

Parameters

A	IQ15 type input.

Returns: Iinteger portion of input.

§ _IQ14int

#define _IQ14int ( A ) ((A) >> 14)

Returns the integer portion of an IQ14 type number.

Parameters

A	IQ14 type input.

Returns: Iinteger portion of input.

§ _IQ13int

#define _IQ13int ( A ) ((A) >> 13)

Returns the integer portion of an IQ13 type number.

Parameters

A	IQ13 type input.

Returns: Iinteger portion of input.

§ _IQ12int

#define _IQ12int ( A ) ((A) >> 12)

Returns the integer portion of an IQ12 type number.

Parameters

A	IQ12 type input.

Returns: Iinteger portion of input.

§ _IQ11int

#define _IQ11int ( A ) ((A) >> 11)

Returns the integer portion of an IQ11 type number.

Parameters

A	IQ11 type input.

Returns: Iinteger portion of input.

§ _IQ10int

#define _IQ10int ( A ) ((A) >> 10)

Returns the integer portion of an IQ10 type number.

Parameters

A	IQ10 type input.

Returns: Iinteger portion of input.

§ _IQ9int

#define _IQ9int ( A ) ((A) >> 9)

Returns the integer portion of an IQ9 type number.

Parameters

A	IQ9 type input.

Returns: Integer portion of input.

§ _IQ8int

#define _IQ8int ( A ) ((A) >> 8)

Returns the integer portion of an IQ8 type number.

Parameters

A	IQ8 type input.

Returns: Integer portion of input.

§ _IQ7int

#define _IQ7int ( A ) ((A) >> 7)

Returns the integer portion of an IQ7 type number.

Parameters

A	IQ7 type input.

Returns: Integer portion of input.

§ _IQ6int

#define _IQ6int ( A ) ((A) >> 6)

Returns the integer portion of an IQ6 type number.

Parameters

A	IQ6 type input.

Returns: Integer portion of input.

§ _IQ5int

#define _IQ5int ( A ) ((A) >> 5)

Returns the integer portion of an IQ5 type number.

Parameters

A	IQ5 type input.

Returns: Integer portion of input.

§ _IQ4int

#define _IQ4int ( A ) ((A) >> 4)

Returns the integer portion of an IQ4 type number.

Parameters

A	IQ4 type input.

Returns: Integer portion of input.

§ _IQ3int

#define _IQ3int ( A ) ((A) >> 3)

Returns the integer portion of an IQ3 type number.

Parameters

A	IQ3 type input.

Returns: Integer portion of input.

§ _IQ2int

#define _IQ2int ( A ) ((A) >> 2)

Returns the integer portion of an IQ2 type number.

Parameters

A	IQ2 type input.

Returns: Integer portion of input.

§ _IQ1int

#define _IQ1int ( A ) ((A) >> 1)

Returns the integer portion of an IQ1 type number.

Parameters

A	IQ1 type input.

Returns: Integer portion of input.

§ _IQint

#define _IQint ( A ) ((A) >> GLOBAL_IQ)

Returns the integer portion of a global IQ format number.

Parameters

A	Global IQ format input.

Returns: Integer portion of input.

§ _IQfrac

#define _IQfrac ( A ) _IQ24frac(A)

Computes the fractional portion a global IQ format number.

Parameters

A	Global IQ format input.

Returns: Global IQ format fractional portion of input.

§ _IQmpyIQX

#define _IQmpyIQX	(	A,
		n1,
		B,
		n2
	)	_IQ24mpyIQX(A, n1, B, n2)

Multiply two IQ numbers in different IQ formats, returning the product in global IQ format.

Parameters

A	IQN1 format input to be multiplied.
n1	IQ format for first value.
B	IQN2 format input to be multiplied.
n2	IQ format for second value.

Returns: Global IQ format result of the multiplication.

§ _IQ30mag

#define _IQ30mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ30 numbers.

Parameters

A	IQ30 type input.
B	IQ30 type input

Returns: IQ30 result of magnitude operation.

§ _IQ29mag

#define _IQ29mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ29 numbers.

Parameters

A	IQ29 type input.
B	IQ29 type input

Returns: IQ29 result of magnitude operation.

§ _IQ28mag

#define _IQ28mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ28 numbers.

Parameters

A	IQ28 type input.
B	IQ28 type input

Returns: IQ28 result of magnitude operation.

§ _IQ27mag

#define _IQ27mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ27 numbers.

Parameters

A	IQ27 type input.
B	IQ27 type input

Returns: IQ27 result of magnitude operation.

§ _IQ26mag

#define _IQ26mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ26 numbers.

Parameters

A	IQ26 type input.
B	IQ26 type input

Returns: IQ26 result of magnitude operation.

§ _IQ25mag

#define _IQ25mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ25 numbers.

Parameters

A	IQ25 type input.
B	IQ25 type input

Returns: IQ25 result of magnitude operation.

§ _IQ24mag

#define _IQ24mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ24 numbers.

Parameters

A	IQ24 type input.
B	IQ24 type input

Returns: IQ24 result of magnitude operation.

§ _IQ23mag

#define _IQ23mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ23 numbers.

Parameters

A	IQ23 type input.
B	IQ23 type input

Returns: IQ23 result of magnitude operation.

§ _IQ22mag

#define _IQ22mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ22 numbers.

Parameters

A	IQ22 type input.
B	IQ22 type input

Returns: IQ22 result of magnitude operation.

§ _IQ21mag

#define _IQ21mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ21 numbers.

Parameters

A	IQ21 type input.
B	IQ21 type input

Returns: IQ21 result of magnitude operation.

§ _IQ20mag

#define _IQ20mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ20 numbers.

Parameters

A	IQ20 type input.
B	IQ20 type input

Returns: IQ20 result of magnitude operation.

§ _IQ19mag

#define _IQ19mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ19 numbers.

Parameters

A	IQ19 type input.
B	IQ19 type input

Returns: IQ19 result of magnitude operation.

§ _IQ18mag

#define _IQ18mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ18 numbers.

Parameters

A	IQ18 type input.
B	IQ18 type input

Returns: IQ18 result of magnitude operation.

§ _IQ17mag

#define _IQ17mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ17 numbers.

Parameters

A	IQ17 type input.
B	IQ17 type input

Returns: IQ17 result of magnitude operation.

§ _IQ16mag

#define _IQ16mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ16 numbers.

Parameters

A	IQ16 type input.
B	IQ16 type input

Returns: IQ16 result of magnitude operation.

§ _IQ15mag

#define _IQ15mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ15 numbers.

Parameters

A	IQ15 type input.
B	IQ15 type input

Returns: IQ15 result of magnitude operation.

§ _IQ14mag

#define _IQ14mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ14 numbers.

Parameters

A	IQ14 type input.
B	IQ14 type input

Returns: IQ14 result of magnitude operation.

§ _IQ13mag

#define _IQ13mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ13 numbers.

Parameters

A	IQ13 type input.
B	IQ13 type input

Returns: IQ13 result of magnitude operation.

§ _IQ12mag

#define _IQ12mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ12 numbers.

Parameters

A	IQ12 type input.
B	IQ12 type input

Returns: IQ12 result of magnitude operation.

§ _IQ11mag

#define _IQ11mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ11 numbers.

Parameters

A	IQ11 type input.
B	IQ11 type input

Returns: IQ11 result of magnitude operation.

§ _IQ10mag

#define _IQ10mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ10 numbers.

Parameters

A	IQ10 type input.
B	IQ10 type input

Returns: IQ10 result of magnitude operation.

§ _IQ9mag

#define _IQ9mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ9 numbers.

Parameters

A	IQ9 type input.
B	IQ9 type input

Returns: IQ9 result of magnitude operation.

§ _IQ8mag

#define _IQ8mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ8 numbers.

Parameters

A	IQ8 type input.
B	IQ8 type input

Returns: IQ8 result of magnitude operation.

§ _IQ7mag

#define _IQ7mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ7 numbers.

Parameters

A	IQ7 type input.
B	IQ7 type input

Returns: IQ7 result of magnitude operation.

§ _IQ6mag

#define _IQ6mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ6 numbers.

Parameters

A	IQ6 type input.
B	IQ6 type input

Returns: IQ6 result of magnitude operation.

§ _IQ5mag

#define _IQ5mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ5 numbers.

Parameters

A	IQ5 type input.
B	IQ5 type input

Returns: IQ5 result of magnitude operation.

§ _IQ4mag

#define _IQ4mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ4 numbers.

Parameters

A	IQ4 type input.
B	IQ4 type input

Returns: IQ4 result of magnitude operation.

§ _IQ3mag

#define _IQ3mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ3 numbers.

Parameters

A	IQ3 type input.
B	IQ3 type input

Returns: IQ3 result of magnitude operation.

§ _IQ2mag

#define _IQ2mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ2 numbers.

Parameters

A	IQ2 type input.
B	IQ2 type input

Returns: IQ2 result of magnitude operation.

§ _IQ1mag

#define _IQ1mag	(	A,
		B
	)	_IQmag(A, B)

Computes the square root of A^2 + B^2 using IQ1 numbers.

Parameters

A	IQ1 type input.
B	IQ1 type input

Returns: IQ1 result of magnitude operation.

§ _IQimag

#define _IQimag	(	A,
		B
	)	_IQ24imag(A, B)

Computes the inverse square root of A^2 + B^2 using IQ1 numbers.

Parameters

A	Global IQ format input.
B	Global IQ format input

Returns: Global IQ format result of inverse magnitude operation.

§ _atoIQ

#define _atoIQ ( A ) _atoIQ24(A)

Converts a string into a global IQ format number.

Parameters

A	String input.

Returns: Global IQ format result of conversion.

§ _IQtoa

#define _IQtoa	(	A,
		B,
		C
	)	_IQ24toa(A, B, C)

Converts a global IQ format input into a string.

Parameters

A	Pointer to the buffer to store the converted IQ number.
B	The format string specifying how to convert the IQ number.
C	Global IQ format input.

Returns: Returns 0 if there is no error, 1 if the width is too small to hold the integer characters, and 2 if an illegal format was specified.

§ _IQ30abs

#define _IQ30abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ30 number.

Parameters

A	IQ30 type input.

Returns: IQ30 type absolute value of input.

§ _IQ29abs

#define _IQ29abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ29 number.

Parameters

A	IQ29 type input.

Returns: IQ29 type absolute value of input.

§ _IQ28abs

#define _IQ28abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ28 number.

Parameters

A	IQ28 type input.

Returns: IQ28 type absolute value of input.

§ _IQ27abs

#define _IQ27abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ27 number.

Parameters

A	IQ27 type input.

Returns: IQ27 type absolute value of input.

§ _IQ26abs

#define _IQ26abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ26 number.

Parameters

A	IQ26 type input.

Returns: IQ26 type absolute value of input.

§ _IQ25abs

#define _IQ25abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ25 number.

Parameters

A	IQ25 type input.

Returns: IQ25 type absolute value of input.

§ _IQ24abs

#define _IQ24abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ24 number.

Parameters

A	IQ24 type input.

Returns: IQ24 type absolute value of input.

§ _IQ23abs

#define _IQ23abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ23 number.

Parameters

A	IQ23 type input.

Returns: IQ23 type absolute value of input.

§ _IQ22abs

#define _IQ22abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ22 number.

Parameters

A	IQ22 type input.

Returns: IQ22 type absolute value of input.

§ _IQ21abs

#define _IQ21abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ21 number.

Parameters

A	IQ21 type input.

Returns: IQ21 type absolute value of input.

§ _IQ20abs

#define _IQ20abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ20 number.

Parameters

A	IQ20 type input.

Returns: IQ20 type absolute value of input.

§ _IQ19abs

#define _IQ19abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ19 number.

Parameters

A	IQ19 type input.

Returns: IQ19 type absolute value of input.

§ _IQ18abs

#define _IQ18abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ18 number.

Parameters

A	IQ18 type input.

Returns: IQ18 type absolute value of input.

§ _IQ17abs

#define _IQ17abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ17 number.

Parameters

A	IQ17 type input.

Returns: IQ17 type absolute value of input.

§ _IQ16abs

#define _IQ16abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ16 number.

Parameters

A	IQ16 type input.

Returns: IQ16 type absolute value of input.

§ _IQ15abs

#define _IQ15abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ15 number.

Parameters

A	IQ15 type input.

Returns: IQ15 type absolute value of input.

§ _IQ14abs

#define _IQ14abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ14 number.

Parameters

A	IQ14 type input.

Returns: IQ14 type absolute value of input.

§ _IQ13abs

#define _IQ13abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ13 number.

Parameters

A	IQ13 type input.

Returns: IQ13 type absolute value of input.

§ _IQ12abs

#define _IQ12abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ12 number.

Parameters

A	IQ12 type input.

Returns: IQ12 type absolute value of input.

§ _IQ11abs

#define _IQ11abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ11 number.

Parameters

A	IQ11 type input.

Returns: IQ11 type absolute value of input.

§ _IQ10abs

#define _IQ10abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ10 number.

Parameters

A	IQ10 type input.

Returns: IQ10 type absolute value of input.

§ _IQ9abs

#define _IQ9abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ9 number.

Parameters

A	IQ9 type input.

Returns: IQ9 type absolute value of input.

§ _IQ8abs

#define _IQ8abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ8 number.

Parameters

A	IQ8 type input.

Returns: IQ8 type absolute value of input.

§ _IQ7abs

#define _IQ7abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ7 number.

Parameters

A	IQ7 type input.

Returns: IQ7 type absolute value of input.

§ _IQ6abs

#define _IQ6abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ6 number.

Parameters

A	IQ6 type input.

Returns: IQ6 type absolute value of input.

§ _IQ5abs

#define _IQ5abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ5 number.

Parameters

A	IQ5 type input.

Returns: IQ5 type absolute value of input.

§ _IQ4abs

#define _IQ4abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ4 number.

Parameters

A	IQ4 type input.

Returns: IQ4 type absolute value of input.

§ _IQ3abs

#define _IQ3abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ3 number.

Parameters

A	IQ3 type input.

Returns: IQ3 type absolute value of input.

§ _IQ2abs

#define _IQ2abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ2 number.

Parameters

A	IQ2 type input.

Returns: IQ2 type absolute value of input.

§ _IQ1abs

#define _IQ1abs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an IQ1 number.

Parameters

A	IQ1 type input.

Returns: IQ1 type absolute value of input.

§ _IQabs

#define _IQabs ( A ) (((A) < 0) ? - (A) : (A))

Computes the absolute value of an global IQ format number.

Parameters

A	Global IQ format input.

Returns: GlobalIQ format absolute value of input.

Referenced by __IQNatan2().

Function Documentation

§ _IQmag()

int32_t _IQmag	(	int32_t	a,
		int32_t	b
	)

Calculate the magnitude of two IQ31 inputs.

Parameters

a	IQ31 type input.
b	IQ31 type input.

Returns: IQ31 type result of the magnitude operation.

References __IQNsqrt(), and TYPE_MAG.

Detailed Description

Macros

Functions

Macro Definition Documentation

§ _IQmpy2

§ _IQmpy4

§ _IQmpy8

§ _IQmpy16

§ _IQmpy32

§ _IQmpy64

§ _IQdiv2

§ _IQdiv4

§ _IQdiv8

§ _IQdiv16

§ _IQdiv32

§ _IQdiv64

§ _IQ30

§ _IQ29

§ _IQ28

§ _IQ27

§ _IQ26

§ _IQ25

§ _IQ24

§ _IQ23

§ _IQ22

§ _IQ21

§ _IQ20

§ _IQ19

§ _IQ18

§ _IQ17

§ _IQ16

§ _IQ15

§ _IQ14

§ _IQ13

§ _IQ12

§ _IQ11

§ _IQ10

§ _IQ9

§ _IQ8

§ _IQ7

§ _IQ6

§ _IQ5

§ _IQ4

§ _IQ3

§ _IQ2

§ _IQ1

§ _IQ

§ _IQtoF

§ _IQsat

§ _IQmpy

§ _IQrmpy

§ _IQrsmpy

§ _IQdiv

§ _IQsin

§ _IQsinPU

§ _IQasin

§ _IQcos

§ _IQcosPU

§ _IQ29acos

§ _IQ28acos

§ _IQ27acos

§ _IQ26acos

§ _IQ25acos

§ _IQ24acos

§ _IQ23acos

§ _IQ22acos

§ _IQ21acos

§ _IQ20acos

§ _IQ19acos

§ _IQ18acos

§ _IQ17acos

§ _IQ16acos

§ _IQ15acos

§ _IQ14acos

§ _IQ13acos

§ _IQ12acos

§ _IQ11acos

§ _IQ10acos

§ _IQ9acos

§ _IQ8acos