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avcodec/aacps_tablegen: use hypot()

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Reviewed-by: Rostislav Pehlivanov <atomnuker@gmail.com>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
This commit is contained in:
Ganesh Ajjanagadde 2015-11-22 11:30:52 -05:00
parent aececd11ab
commit 81a0aec29e
1 changed files with 1 additions and 1 deletions
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2
libavcodec/aacps_tablegen.h
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@ -136,7 +136,7 @@ static av_cold void ps_tableinit(void)
float pd2_im = ipdopd_sin[pd2]; float pd2_im = ipdopd_sin[pd2];
float re_smooth = 0.25f * pd0_re + 0.5f * pd1_re + pd2_re; float re_smooth = 0.25f * pd0_re + 0.5f * pd1_re + pd2_re;
float im_smooth = 0.25f * pd0_im + 0.5f * pd1_im + pd2_im; float im_smooth = 0.25f * pd0_im + 0.5f * pd1_im + pd2_im;
float pd_mag = 1 / sqrt(im_smooth * im_smooth + re_smooth * re_smooth); float pd_mag = 1 / hypot(im_smooth, re_smooth);
pd_re_smooth[pd0*64+pd1*8+pd2] = re_smooth * pd_mag; pd_re_smooth[pd0*64+pd1*8+pd2] = re_smooth * pd_mag;
pd_im_smooth[pd0*64+pd1*8+pd2] = im_smooth * pd_mag; pd_im_smooth[pd0*64+pd1*8+pd2] = im_smooth * pd_mag;
} }