CV_SPARSE_HASH_RATIO 699 modules/core/src/array.cpp if( mat->heap->active_count >= mat->hashsize*CV_SPARSE_HASH_RATIO ) CV_SPARSE_HASH_RATIO 1339 modules/core/src/copy.cpp if( src1->heap->active_count >= dst1->hashsize*CV_SPARSE_HASH_RATIO )