Merge pull request #12396 from LaurentBerger:I12392

49a13280 · Alexander Alekhin · 2877f173 · d7181242 · 49a13280
隐藏空白更改
内联并排

Showing with 5 addition and 0 deletion

modules/core/src/rand.cpp modules/core/src/rand.cpp +5 -0

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--- a/modules/core/src/rand.cpp
+++ b/modules/core/src/rand.cpp
@@ -584,6 +584,11 @@ void RNG::fill( InputOutputArray _mat, int disttype,
                }
                ip[j][1] = cvCeil(a);
                int idiff = ip[j][0] = cvFloor(b) - ip[j][1] - 1;
+                if (idiff < 0)
+                {
+                    idiff = 0;
+                    ip[j][0] = 0;
+                }
                double diff = b - a;

                fast_int_mode = fast_int_mode && diff <= 4294967296. && (idiff & (idiff+1)) == 0;