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avutil/softfloat: Add test for av_cmp_sf()

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit df2a2117d2)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-11-08 14:39:46 +01:00
parent 476ddffccb
commit 43ada90fc5
1 changed files with 13 additions and 0 deletions
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13
libavutil/softfloat.c
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@ -109,6 +109,19 @@ int main(void){
sf1 = av_div_sf(sf1, sf2);
printf("test6 softfloat: %.10lf (0x%08x %d) %d %d\n", (double)av_sf2double(sf1), sf1.mant, sf1.exp, i, j);
for(i= 0; i<100; i++) {
sf1= av_int2sf(i, 0);
for(j= 0; j<100; j++) {
int c;
sf2= av_int2sf(j, 0);
c = av_cmp_sf(sf1, sf2);
if (FFDIFFSIGN(i,j) != c && (FFDIFFSIGN(i,j)^c)<0) {
printf("av_cmp_sf failed at %d %d as %X\n", i, j, c);
}
}
}
for(i= 0; i<4*36; i++){
int s, c;
double errs, errc;