[FFmpeg-cvslog] avutil/softfloat: Extend the av_cmp_sf() test to cover a wider range of exponents

Michael Niedermayer git at videolan.org
Thu Nov 12 00:24:08 CET 2015


ffmpeg | branch: release/2.8 | Michael Niedermayer <michael at niedermayer.cc> | Sun Nov  8 14:45:19 2015 +0100| [f9998d1994bdfffe5a5121ee6844db361a6da4e0] | committer: Michael Niedermayer

avutil/softfloat: Extend the av_cmp_sf() test to cover a wider range of exponents

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit ecfb076141d0243212143f0d7c9d4e47b56bec15)

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f9998d1994bdfffe5a5121ee6844db361a6da4e0
---

 libavutil/softfloat.c |    9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/libavutil/softfloat.c b/libavutil/softfloat.c
index e525c97..808c5e6 100644
--- a/libavutil/softfloat.c
+++ b/libavutil/softfloat.c
@@ -119,6 +119,15 @@ int main(void){
                 printf("av_cmp_sf failed at %d %d as %X\n", i, j, c);
             }
         }
+        sf1 = av_int2sf(1, i);
+        for(j = 0; j < 100; j++) {
+            int c;
+            sf2 = av_int2sf(1, j);
+            c = av_cmp_sf(sf2, sf1);
+            if (FFDIFFSIGN(i,j) != c && (FFDIFFSIGN(i,j)^c) < 0) {
+                printf("av_cmp_sf failed2 at %d %d as %X\n", i, j, c);
+            }
+        }
     }
 
 



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