fixed random failures in Core_DFT.complex_output2 test (the case of input_mat.cols == 1)

b8b7f155 · Rostislav Vasilikhin · 27dd2740 · b8b7f155
Commit b8b7f155 authored Sep 05, 2016 by Rostislav Vasilikhin
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dxt.cpp modules/core/src/dxt.cpp +3 -2

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--- a/modules/core/src/dxt.cpp
+++ b/modules/core/src/dxt.cpp
@@ -1070,11 +1070,12 @@ RealDFT( const T* src, T* dst, int n, int nf, int* factors, const int* itab,
        }
    }

-    if( complex_output && (n & 1) == 0 )
+    if (complex_output && ((n & 1) == 0 || n == 1))
    {
        dst[-1] = dst[0];
        dst[0] = 0;
-        dst[n] = 0;
+        if (n > 1)
+            dst[n] = 0;
    }
 }