highperfocused/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Provide a fallback version of the libm function trunc

Browse Source 
This fixes compilation on DOS.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö
2011-04-21 13:02:38 +02:00
parent 32a128522a
commit 23d3931a6a
2 changed files with 9 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
configure vendored
View File

@@ -1119,6 +1119,7 @@ HAVE_LIST="
sys_videoio_h sys_videoio_h
ten_operands ten_operands
threads threads
trunc
truncf truncf
vfp_args vfp_args
VirtualAlloc VirtualAlloc
@@ -2852,6 +2853,7 @@ check_mathfunc lrint
check_mathfunc lrintf check_mathfunc lrintf
check_mathfunc round check_mathfunc round
check_mathfunc roundf check_mathfunc roundf
check_mathfunc trunc
check_mathfunc truncf check_mathfunc truncf
# these are off by default, so fail if requested and not available # these are off by default, so fail if requested and not available

7
libavutil/libm.h
View File

@@ -86,6 +86,13 @@ static av_always_inline av_const float roundf(float x)
} }
#endif /* HAVE_ROUNDF */ #endif /* HAVE_ROUNDF */
#if !HAVE_TRUNC
static av_always_inline av_const double trunc(double x)
{
return (x > 0) ? floor(x) : ceil(x);
}
#endif /* HAVE_TRUNC */
#if !HAVE_TRUNCF #if !HAVE_TRUNCF
static av_always_inline av_const float truncf(float x) static av_always_inline av_const float truncf(float x)
{ {