fixed compiler error for win32

15 years ago · 54081f262e
parent fff2160d1f
commit 54081f262e
1 changed files with 1 additions and 1 deletions
--- a/modules/features2d/src/calonder.cpp
+++ b/modules/features2d/src/calonder.cpp
@ -308,7 +308,7 @@ Mat createCompressionMatrix( int rows, int cols, int distrType )
    }
    else if( distrType == CalonderClassifier::COMPRESS_DISTR_BERNOULLI )
    {
-        float par = (float)(1./sqrt(rows));
+        float par = (float)(1./sqrt((float)rows));
        for( int y = 0; y < rows; y++ )
            for( int x = 0; x < cols; x++ )
                mtr.at<float>(y,x) = rng(2)==0 ? par : -par;