AM64x MCU+ SDK  11.01.00
fastrts.h
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32 
42 #ifndef FASTRTS_H
43 #define FASTRTS_H
44 
45 #ifdef __cplusplus
46 extern "C"
47 {
48 #endif
49 
50 /* ========================================================================== */
51 /* Macros */
52 /* ========================================================================== */
53 
54 #define RTS_TEXT_SECTION __attribute__((section(".trigText"))) __attribute__((always_inline)) inline
55 #define RTS_DATA_SECTION __attribute__((aligned(8), section(".trigData")))
56 
57 /* ========================================================================== */
58 /* Function Declarations */
59 /* ========================================================================== */
60 
66 extern float FastRTS_cosf(const float theta);
67 
73 extern float FastRTS_sinf(const float theta);
74 
80 extern void FastRTS_sincos(const float theta, float *retValues);
81 
87 extern float FastRTS_acosf(const float theta);
88 
94 extern float FastRTS_asinf(const float theta);
95 
101 extern float FastRTS_atanf(const float x);
102 
111 extern float FastRTS_atan2f(const float y, const float x);
112 
119 extern float FastRTS_expf(const float x);
120 
126 extern float FastRTS_logf(const float x);
127 
128 /* ========================================================================== */
129 /* Static Function Definitions */
130 /* ========================================================================== */
131 
132 // Originates from ti_arm_trig.h and is slightly faster than standard math version
133 RTS_TEXT_SECTION static float FastRTS_sqrtf(const float x)
134 {
135  float r = 0;
136  __asm ("VSQRT.F32 %0, %1" : "=t" (r) : "t" (x));
137  return r;
138 }
139 
142 #ifdef __cplusplus
143 }
144 #endif
145 
146 #endif /* FASTRTS_H */
FastRTS_sincos
void FastRTS_sincos(const float theta, float *retValues)
The Sine/Cosine Function.
FastRTS_logf
float FastRTS_logf(const float x)
The Natural Logarithm function.
FastRTS_expf
float FastRTS_expf(const float x)
The Exponent function.
FastRTS_cosf
float FastRTS_cosf(const float theta)
The Cosine Function.
RTS_TEXT_SECTION
#define RTS_TEXT_SECTION
Definition: fastrts.h:54
FastRTS_acosf
float FastRTS_acosf(const float theta)
The Arccosine Function.
FastRTS_atan2f
float FastRTS_atan2f(const float y, const float x)
The Arctangent(y,x) function.
FastRTS_sqrtf
static RTS_TEXT_SECTION float FastRTS_sqrtf(const float x)
Definition: fastrts.h:133
FastRTS_sinf
float FastRTS_sinf(const float theta)
The Sine Function.
FastRTS_atanf
float FastRTS_atanf(const float x)
The Arctangent function.
FastRTS_asinf
float FastRTS_asinf(const float theta)
The Arcsine Function.