[FFmpeg-cvslog] r16555 - in trunk: configure libavutil/internal.h

[ramiro]

Author: ramiro
Date: Sun Jan 11 23:10:04 2009
New Revision: 16555

Log:
Add truncf() replacement function.
Patch by Michael Kostylev <mik at it-1 dot ru>

Modified:
   trunk/configure
   trunk/libavutil/internal.h

Modified: trunk/configure
==============================================================================
--- trunk/configure	Sun Jan 11 23:05:48 2009	(r16554)
+++ trunk/configure	Sun Jan 11 23:10:04 2009	(r16555)
@@ -886,6 +886,7 @@ HAVE_LIST="
     sys_videoio_h
     termios_h
     threads
+    truncf
     winsock2_h
     yasm
 "
@@ -1875,7 +1876,7 @@ done
 check_lib math.h sin -lm
 
 # test for C99 functions in math.h
-for func in llrint lrint lrintf round roundf; do
+for func in llrint lrint lrintf round roundf truncf; do
     check_exec <<EOF && enable $func || disable $func
 #include <math.h>
 int main(void) { return ($func(3.999f) > 0)?0:1; }

Modified: trunk/libavutil/internal.h
==============================================================================
--- trunk/libavutil/internal.h	Sun Jan 11 23:05:48 2009	(r16554)
+++ trunk/libavutil/internal.h	Sun Jan 11 23:10:04 2009	(r16555)
@@ -294,4 +294,11 @@ static av_always_inline av_const float r
 }
 #endif /* HAVE_ROUNDF */
 
+#ifndef HAVE_TRUNCF
+static av_always_inline av_const float truncf(float x)
+{
+    return (x > 0) ? floor(x) : ceil(x);
+}
+#endif /* HAVE_TRUNCF */
+
 #endif /* AVUTIL_INTERNAL_H */