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srsLTE
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Minor change 

Forgot to check for unsuccessful malloc.
This commit is contained in:
dvdgrgrtt 2021-11-02 11:44:03 +01:00 committed by dvdgrgrtt
parent 32c4da8db0
commit f95c654aba
1 changed files with 13 additions and 12 deletions
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25
lib/src/phy/channel/test/awgn_channel_test.c
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@ -70,11 +70,13 @@ static int parse_args(int argc, char** argv)
static int compare_floats(const void* a, const void* b)
{
float arg1 = *(const float*) a;
float arg2 = *(const float*) b;
float arg1 = *(const float*)a;
float arg2 = *(const float*)b;
if (arg1 < arg2) return -1;
if (arg1 > arg2) return 1;
if (arg1 < arg2)
return -1;
if (arg1 > arg2)
return 1;
return 0;
}
@ -86,16 +88,16 @@ static int compare_floats(const void* a, const void* b)
* x points to the vector of samples (real values and imaginary values)
* half_length is the number of complex samples
* y is a pointer to a helper vector used for temporary computations
*/
*/
static float anderson(const float* x, uint32_t half_length, float* y)
{
#define SQRT1_2 ((float)M_SQRT1_2)
#define CDF(a) ((1 + erff((a)*SQRT1_2)) * .5)
uint32_t length = 2 * half_length;
float length_f = (float)length;
uint32_t length = 2 * half_length;
float length_f = (float)length;
// estimate mean and variance (the test works better with estimated than nominal ones)
// estimate mean and variance (the test works better with estimated values than with nominal ones)
float mean = srsran_vec_acc_ff(x, length);
mean /= length_f;
@ -115,8 +117,7 @@ static float anderson(const float* x, uint32_t half_length, float* y)
for (uint32_t ii = 0; ii < nof_samples; ii++) {
cdf1 = CDF(y[ii]);
cdf2 = CDF(y[length - ii - 1]);
a2 += (2 * ii + 1) * (logf(cdf1) + log1pf(-cdf2)) +
(2 * (length - ii) - 1) * (logf(cdf2) + log1pf(-cdf1));
a2 += (2 * ii + 1) * (logf(cdf1) + log1pf(-cdf2)) + (2 * (length - ii) - 1) * (logf(cdf2) + log1pf(-cdf1));
}
a2 = -length_f - a2 / length_f;
a2 = a2 * (1 + (4 - 25 / length_f) / length_f);
@ -146,9 +147,9 @@ int main(int argc, char** argv)
// Initialise buffers
input_buffer = srsran_vec_cf_malloc(nof_samples);
output_buffer = srsran_vec_cf_malloc(nof_samples);
help_buffer = srsran_vec_f_malloc(2 * nof_samples);
help_buffer = srsran_vec_f_malloc(2 * nof_samples);
if (!input_buffer || !output_buffer) {
if (!input_buffer || !output_buffer || !help_buffer) {
ERROR("Error: Allocating memory");
ret = SRSRAN_ERROR;
goto clean_exit;