[FFmpeg-devel] [PATCH] tests/dnn/mathunary: fix the issue of NAN

[Ting Fu]

When one of output[i] & expected_output is NAN, the unit test will always pass.

Signed-off-by: Ting Fu <ting.fu at intel.com>
---
 tests/dnn/dnn-layer-mathunary-test.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tests/dnn/dnn-layer-mathunary-test.c b/tests/dnn/dnn-layer-mathunary-test.c
index bf77c44bbe..f251447771 100644
--- a/tests/dnn/dnn-layer-mathunary-test.c
+++ b/tests/dnn/dnn-layer-mathunary-test.c
@@ -74,7 +74,8 @@ static int test(DNNMathUnaryOperation op)
     output = operands[1].data;
     for (int i = 0; i < sizeof(input) / sizeof(float); ++i) {
         float expected_output = get_expected(input[i], op);
-        if(fabs(output[i] - expected_output) > EPS) {
+        if ((isnan(output[i]) ^ isnan(expected_output)) ||
+            fabs(output[i] - expected_output) > EPS) {
             printf("at index %d, output: %f, expected_output: %f\n", i, output[i], expected_output);
             av_freep(&output);
             return 1;
-- 
2.17.1