diff options
Diffstat (limited to 'Drivers/CMSIS/DSP/DSP_Lib_TestSuite/Common/src/math_helper.c')
| -rw-r--r-- | Drivers/CMSIS/DSP/DSP_Lib_TestSuite/Common/src/math_helper.c | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/Common/src/math_helper.c b/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/Common/src/math_helper.c index 35925c853..2b1d30d92 100644 --- a/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/Common/src/math_helper.c +++ b/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/Common/src/math_helper.c @@ -64,7 +64,7 @@ float arm_snr_f32(float *pRef, float *pTest, uint32_t buffSize) if (temp == 0x7FC00000) { - return(0); + return(100000.0); } /* Checking for a NAN value in pTest array */ @@ -73,7 +73,7 @@ float arm_snr_f32(float *pRef, float *pTest, uint32_t buffSize) if (temp == 0x7FC00000) { - return(0); + return(100000.0); } EnergySignal += pRef[i] * pRef[i]; EnergyError += (pRef[i] - pTest[i]) * (pRef[i] - pTest[i]); @@ -85,12 +85,21 @@ float arm_snr_f32(float *pRef, float *pTest, uint32_t buffSize) if (temp == 0x7FC00000) { - return(0); + return(100000.0); } SNR = 10 * log10f (EnergySignal / EnergyError); + /* Checking for a NAN value in SNR */ + test = (int *)(&SNR); + temp = *test; + + if (temp == 0x7FC00000) + { + return(100000.0); + } + return (SNR); } @@ -113,7 +122,7 @@ double arm_snr_f64(double *pRef, double *pTest, uint32_t buffSize) if (temp == 0x7FC00000) { - return(0); + return(100000.0); } /* Checking for a NAN value in pTest array */ @@ -122,7 +131,7 @@ double arm_snr_f64(double *pRef, double *pTest, uint32_t buffSize) if (temp == 0x7FC00000) { - return(0); + return(100000.0); } EnergySignal += pRef[i] * pRef[i]; EnergyError += (pRef[i] - pTest[i]) * (pRef[i] - pTest[i]); @@ -134,12 +143,21 @@ double arm_snr_f64(double *pRef, double *pTest, uint32_t buffSize) if (temp == 0x7FC00000) { - return(0); + return(100000.0); } SNR = 10 * log10 (EnergySignal / EnergyError); + /* Checking for a NAN value in SNR */ + test = (int *)(&SNR); + temp = *test; + + if (temp == 0x7FC00000) + { + return(10000.0); + } + return (SNR); } |