From 86608c6770cf08c138a2bdab5855072f64be09ef Mon Sep 17 00:00:00 2001 From: joshua Date: Sat, 30 Dec 2023 23:54:31 -0500 Subject: initial commit --- .../DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/cos.c | 11 +++++++++++ 1 file changed, 11 insertions(+) create mode 100644 Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/cos.c (limited to 'Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/cos.c') diff --git a/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/cos.c b/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/cos.c new file mode 100644 index 0000000..ab6c98e --- /dev/null +++ b/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/cos.c @@ -0,0 +1,11 @@ +#include "ref.h" + +q31_t ref_cos_q31(q31_t x) +{ + return (q31_t)(cosf((float32_t)x * 6.28318530717959f / 2147483648.0f) * 2147483648.0f); +} + +q15_t ref_cos_q15(q15_t x) +{ + return (q15_t)(cosf((float32_t)x * 6.28318530717959f / 32768.0f) * 32768.0f); +} -- cgit v1.2.3