From f7de54fc6fa6b40dfa2dfbe4c2a8ee933affa126 Mon Sep 17 00:00:00 2001 From: JanHenrik Date: Wed, 1 Apr 2020 00:40:03 +0200 Subject: added files --- .../DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/cos.c | 11 +++++++++++ 1 file changed, 11 insertions(+) create mode 100644 hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/cos.c (limited to 'hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/cos.c') diff --git a/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/cos.c b/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/cos.c new file mode 100644 index 0000000..ab6c98e --- /dev/null +++ b/hid-dials/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