Commit 0d7a37c1 authored by Maria Dimashova's avatar Maria Dimashova

added an ability to make push_back to the empty matrix

parent 3a1beb1c
......@@ -675,7 +675,12 @@ template<typename _Tp, int m, int n> inline Mat::operator Matx<_Tp, m, n>() cons
template<typename _Tp> inline void Mat::push_back(const _Tp& elem)
{
CV_Assert(DataType<_Tp>::type == type() && cols == 1
if( !data )
{
*this = Mat(1, 1, DataType<_Tp>::type, (void*)&elem).clone();
return;
}
CV_Assert(DataType<_Tp>::type == type() && cols == 1
/* && dims == 2 (cols == 1 implies dims == 2) */);
uchar* tmp = dataend + step[0];
if( !isSubmatrix() && isContinuous() && tmp <= datalimit )
......
......@@ -585,6 +585,11 @@ void Mat::push_back(const Mat& elems)
push_back(tmp);
return;
}
if( !data )
{
*this = elems.clone();
return;
}
size.p[0] = elems.size.p[0];
bool eq = size == elems.size;
......
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