ocl: fix invalid usage of alignSize (n is not a power of 2), added roundUp

2013-09-18 01:14:41 +04:00
parent 6fae07ba88
commit f1b5cbc8fe
2 changed files with 14 additions and 3 deletions
--- a/modules/core/include/opencv2/core/core.hpp
+++ b/modules/core/include/opencv2/core/core.hpp
@@ -339,6 +339,7 @@ template<typename _Tp> static inline _Tp* alignPtr(_Tp* ptr, int n=(int)sizeof(_
 */
 static inline size_t alignSize(size_t sz, int n)
 {
+    assert((n & (n - 1)) == 0); // n is a power of 2
    return (sz + n-1) & -n;
 }