From 730e07f10b972aaf63e3aeb04d6f179c5640fd6f Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 23 Jun 2013 01:25:55 +0200 Subject: [PATCH] sonic: avoid float sqrt() for integer input & output Signed-off-by: Michael Niedermayer --- libavcodec/sonic.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/sonic.c b/libavcodec/sonic.c index 85248b1579..787cd552f3 100644 --- a/libavcodec/sonic.c +++ b/libavcodec/sonic.c @@ -545,7 +545,7 @@ static av_cold int sonic_encode_init(AVCodecContext *avctx) // generate taps s->tap_quant = av_calloc(s->num_taps, sizeof(*s->tap_quant)); for (i = 0; i < s->num_taps; i++) - s->tap_quant[i] = (int)(sqrt(i+1)); + s->tap_quant[i] = ff_sqrt(i+1); s->channels = avctx->channels; s->samplerate = avctx->sample_rate; @@ -820,7 +820,7 @@ static av_cold int sonic_decode_init(AVCodecContext *avctx) // generate taps s->tap_quant = av_calloc(s->num_taps, sizeof(*s->tap_quant)); for (i = 0; i < s->num_taps; i++) - s->tap_quant[i] = (int)(sqrt(i+1)); + s->tap_quant[i] = ff_sqrt(i+1); s->predictor_k = av_calloc(s->num_taps, sizeof(*s->predictor_k));