[FFmpeg-cvslog] tests/checkasm/checkasm: Provide verbose failure information on float_near_abs_eps() failures

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Fri Apr 13 02:34:01 2018 +0200| [18d6ff2b42c120f1b388c472366b0275ddf9629a] | committer: Michael Niedermayer

tests/checkasm/checkasm: Provide verbose failure information on float_near_abs_eps() failures

This will make understanding failures and adjusting EPS easier

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=18d6ff2b42c120f1b388c472366b0275ddf9629a
---

 tests/checkasm/checkasm.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tests/checkasm/checkasm.c b/tests/checkasm/checkasm.c
index 20ce56932f..ba1d1d0253 100644
--- a/tests/checkasm/checkasm.c
+++ b/tests/checkasm/checkasm.c
@@ -294,8 +294,12 @@ int float_near_ulp_array(const float *a, const float *b, unsigned max_ulp,
 int float_near_abs_eps(float a, float b, float eps)
 {
     float abs_diff = fabsf(a - b);
+    if (abs_diff < eps)
+        return 1;
 
-    return abs_diff < eps;
+    fprintf(stderr, "test failed comparing %g with %g (abs diff=%g with EPS=%g)\n", a, b, abs_diff, eps);
+
+    return 0;
 }
 
 int float_near_abs_eps_array(const float *a, const float *b, float eps,