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| author | Ivan Nardi <12729895+IvanNardi@users.noreply.github.com> | 2024-01-02 15:22:44 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-01-02 15:22:44 +0100 |
| commit | 3c7ed34ce93f04f9d8e6d5c4a22f746a5a7c00dc (patch) | |
| tree | faeea5bb92432c86104ea0e202e5a12e0845f68a /src/lib/ndpi_analyze.c | |
| parent | 0f4d9f505429d2644dc291deabfb6da77930e44d (diff) | |
fuzz: improve fuzzing coverage (#2239)
Diffstat (limited to 'src/lib/ndpi_analyze.c')
| -rw-r--r-- | src/lib/ndpi_analyze.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/lib/ndpi_analyze.c b/src/lib/ndpi_analyze.c index 06d461561..198aa4f9f 100644 --- a/src/lib/ndpi_analyze.c +++ b/src/lib/ndpi_analyze.c @@ -1729,6 +1729,9 @@ double ndpi_pearson_correlation(u_int32_t *values_a, u_int32_t *values_b, u_int1 variance_a = sum_squared_diff_a / (double)num_values, variance_b = sum_squared_diff_b / (double)num_values; covariance = sum_product_diff / (double)num_values; + if(variance_a == 0.0 || variance_b == 0.0) + return(0.0); + return(covariance / sqrt(variance_a * variance_b)); } |