ffmpeg | branch: release/2.8 | Michael Niedermayer <mich...@niedermayer.cc> | Sun Nov 8 14:07:22 2015 +0100| [b533998d0a1da259b08c21a48de9cedb3e262348] | committer: Michael Niedermayer
avutil/softfloat: Add tests for exponent underflows Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 596dfe7d6c6bf355aca4eca0a2386f9c5679887d) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b533998d0a1da259b08c21a48de9cedb3e262348 --- libavutil/softfloat.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/libavutil/softfloat.c b/libavutil/softfloat.c index a9d1b0c..1691de8 100644 --- a/libavutil/softfloat.c +++ b/libavutil/softfloat.c @@ -97,6 +97,18 @@ int main(void){ sf1 = av_int2sf(0xE0000001, 0); printf("test4 softfloat: %.10lf (0x%08x %d)\n", (double)av_sf2double(sf1), sf1.mant, sf1.exp); + + sf1 = (SoftFloat){ 0x20000000, MIN_EXP }; + sf1 = av_mul_sf(sf1, sf1); + printf("test5 softfloat: %.10lf (0x%08x %d)\n", (double)av_sf2double(sf1), sf1.mant, sf1.exp); + + sf1 = (SoftFloat){ 0x20000000, MIN_EXP }; + sf2 = (SoftFloat){ 0x20000000, MAX_EXP }; + i = av_cmp_sf(sf1, sf2); + j = av_cmp_sf(sf2, sf1); + 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<4*36; i++){ int s, c; double errs, errc; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
