1 files changed, 21 insertions, 0 deletions
diff --git a/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ControllerFunctions/sin_cos.c b/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ControllerFunctions/sin_cos.c
new file mode 100644
index 0000000..22c91a0
--- /dev/null
+++ b/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ControllerFunctions/sin_cos.c
@@ -0,0 +1,21 @@
+#include "ref.h"
+
+void ref_sin_cos_f32(
+  float32_t theta,
+  float32_t * pSinVal,
+  float32_t * pCosVal)
+{
+	//theta is given in degrees
+	*pSinVal = sinf(theta * 6.28318530717959f / 360.0f);
+	*pCosVal = cosf(theta * 6.28318530717959f / 360.0f);
+}
+
+void ref_sin_cos_q31(
+  q31_t theta,
+  q31_t * pSinVal,
+  q31_t * pCosVal)
+{
+	//theta is given in the range [-1,1) to represent [-pi,pi)
+	*pSinVal = (q31_t)(sinf((float32_t)theta * 3.14159265358979f / 2147483648.0f) * 2147483648.0f);
+	*pCosVal = (q31_t)(cosf((float32_t)theta * 3.14159265358979f / 2147483648.0f) * 2147483648.0f);
+}