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test_streams: Fix UBSAN error in random generator

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This commit is contained in:
Erik de Castro Lopo
2019-11-11 06:40:34 +11:00
parent b84ff55b03
commit c7d3bd80cf
1 changed files with 2 additions and 2 deletions
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4
src/test_streams/main.c
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@@ -946,7 +946,7 @@ static FLAC__bool write_simple_wavex_header (FILE * f, unsigned samplerate, unsi
static FLAC__bool generate_noisy_sine(void) static FLAC__bool generate_noisy_sine(void)
{ {
FILE *f; FILE *f;
int32_t randstate = 0x1243456; int64_t randstate = 0x1243456;
double sample, last_val = 0.0; double sample, last_val = 0.0;
int k; int k;
@@ -962,7 +962,7 @@ static FLAC__bool generate_noisy_sine(void)
randstate = 11117 * randstate + 211231; randstate = 11117 * randstate + 211231;
randstate = 11117 * randstate + 211231; randstate = 11117 * randstate + 211231;
sample = randstate / (0x7fffffff * 1.000001); sample = ((int32_t) randstate) / (0x7fffffff * 1.000001);
sample = 0.2 * sample - 0.9 * last_val; sample = 0.2 * sample - 0.9 * last_val;
last_val = sample; last_val = sample;