Atandp

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Detailed Description

Functions
double	atandp (double a)
double	atandp_c (double a)

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Function Documentation

double atandp

(

double

a

)

Description:

The atandp function returns the arc tangent of a floating-point argument a. The return value is an angle in the range [-PI/2, PI/2] radians.

Parameters:

[in]

a

= Input double

Returns:

Resultant double

Special Cases:

• If | a | < 1.49e-8, then the return value is a for small angles.

See also:

• atandp_i
• atandp_v

Implementation Notes:

• The code supports both big and little endian modes.

double atandp_c

(

double

a

)

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