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Bug #3611 Initializing static cv::Mat with cv::Mat::zeros causes segmentation fault fixed.

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This commit is contained in:
Alexander Smorkalov 2014-04-01 18:00:44 -07:00
parent a8cb5c3983
commit 0c30b18769
1 changed files with 7 additions and 3 deletions
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10
modules/core/src/matop.cpp
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@ -202,7 +202,11 @@ public:
static void makeExpr(MatExpr& res, int method, Size sz, int type, double alpha=1);
};
static MatOp_Initializer g_MatOp_Initializer;
static MatOp_Initializer* getGlobalMatOpInitializer()
{
static MatOp_Initializer initializer;
return &initializer;
}
static inline bool isIdentity(const MatExpr& e) { return e.op == &g_MatOp_Identity; }
static inline bool isAddEx(const MatExpr& e) { return e.op == &g_MatOp_AddEx; }
@ -215,7 +219,7 @@ static inline bool isInv(const MatExpr& e) { return e.op == &g_MatOp_Invert; }
static inline bool isSolve(const MatExpr& e) { return e.op == &g_MatOp_Solve; }
static inline bool isGEMM(const MatExpr& e) { return e.op == &g_MatOp_GEMM; }
static inline bool isMatProd(const MatExpr& e) { return e.op == &g_MatOp_GEMM && (!e.c.data || e.beta == 0); }
static inline bool isInitializer(const MatExpr& e) { return e.op == &g_MatOp_Initializer; }
static inline bool isInitializer(const MatExpr& e) { return e.op == getGlobalMatOpInitializer(); }
/////////////////////////////////////////////////////////////////////////////////////////////////////
@ -1570,7 +1574,7 @@ void MatOp_Initializer::multiply(const MatExpr& e, double s, MatExpr& res) const
inline void MatOp_Initializer::makeExpr(MatExpr& res, int method, Size sz, int type, double alpha)
{
res = MatExpr(&g_MatOp_Initializer, method, Mat(sz, type, (void*)0), Mat(), Mat(), alpha, 0);
res = MatExpr(getGlobalMatOpInitializer(), method, Mat(sz, type, (void*)0), Mat(), Mat(), alpha, 0);
}