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-rw-r--r--lib/tests/igt_audio.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/tests/igt_audio.c b/lib/tests/igt_audio.c
index 0fb8f94c..a2d57fb8 100644
--- a/lib/tests/igt_audio.c
+++ b/lib/tests/igt_audio.c
@@ -67,11 +67,14 @@ static void test_signal_detect_noise(struct audio_signal *signal)
double buf[BUFFER_LEN];
bool ok;
size_t i;
+ long r;
/* Generate random samples between -1 and 1 */
srand(42);
- for (i = 0; i < BUFFER_LEN; i++)
- buf[i] = (double) random() / RAND_MAX * 2 - 1;
+ for (i = 0; i < BUFFER_LEN; i++) {
+ r = random();
+ buf[i] = (double) r / RAND_MAX * 2 - 1;
+ }
ok = audio_signal_detect(signal, SAMPLING_RATE, 0, buf, BUFFER_LEN);