[vlc-commits] pow(x, 2) => x * x
Rafaël Carré
git at videolan.org
Wed Apr 16 14:46:39 CEST 2014
vlc | branch: master | Rafaël Carré <funman at videolan.org> | Wed Apr 16 14:12:52 2014 +0200| [4958368beac1a6c1a8ad78dfc46038000012f7f0] | committer: Rafaël Carré
pow(x, 2) => x * x
> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=4958368beac1a6c1a8ad78dfc46038000012f7f0
---
modules/audio_filter/audiobargraph_a.c | 2 +-
modules/audio_filter/normvol.c | 3 +--
2 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/modules/audio_filter/audiobargraph_a.c b/modules/audio_filter/audiobargraph_a.c
index 77ef8a5..b34f6b5 100644
--- a/modules/audio_filter/audiobargraph_a.c
+++ b/modules/audio_filter/audiobargraph_a.c
@@ -167,7 +167,7 @@ static block_t *DoWork( filter_t *p_filter, block_t *p_in_buf )
max = ch;
}
}
- max = powf( max, 2 );
+ max *= max;
if (p_sys->silence) {
/* 2 - store the new value */
diff --git a/modules/audio_filter/normvol.c b/modules/audio_filter/normvol.c
index 68f8d62..6bcacdb 100644
--- a/modules/audio_filter/normvol.c
+++ b/modules/audio_filter/normvol.c
@@ -156,8 +156,7 @@ static block_t *DoWork( filter_t *p_filter, block_t *p_in_buf )
for( i_chan = 0; i_chan < i_channels; i_chan++ )
{
float f_sample = p_in[i_chan];
- float f_square = pow( f_sample, 2 );
- pf_sum[i_chan] += f_square;
+ pf_sum[i_chan] += f_sample * f_sample;
}
p_in += i_channels;
}
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