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opus_pvq: make max_den a float

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Prevents int->float conversions on every loop.
Performance gain on synthetic benchmarks: 13%.
Suggested by kamedo2.

Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>
This commit is contained in:
Rostislav Pehlivanov
2017-09-28 22:39:36 +01:00
parent d81b34069e
commit 05dfa21d47
1 changed files with 2 additions and 1 deletions
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libavcodec/opus_pvq.c
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@@ -381,8 +381,9 @@ static float ppp_pvq_search_c(float *X, int *y, int K, int N)
} }
while (K) { while (K) {
int max_idx = 0, max_den = 1, phase = FFSIGN(K); int max_idx = 0, phase = FFSIGN(K);
float max_num = 0.0f; float max_num = 0.0f;
float max_den = 1.0f;
y_norm += 1.0f; y_norm += 1.0f;
for (i = 0; i < N; i++) { for (i = 0; i < N; i++) {