libraries/libmatricxx
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more operators

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This commit is contained in:
Marc Wäckerlin
2016-08-18 22:03:29 +00:00
parent dcd8bd1213
commit 092d194b95
4 changed files with 46 additions and 8 deletions
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28
src/matrix.hxx
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@@ -124,6 +124,18 @@ template<typename TYPE, typename ARRAY=TYPE*> class MatrixBase {
return *this;
}
MatrixBase& operator*=(const TYPE& o) {
TYPE *res((TYPE*)(_c)+SIZE);
while (res>(TYPE*)(_c)) *--res *= o;
return *this;
}
MatrixBase& operator/=(const TYPE& o) {
TYPE *res((TYPE*)(_c)+SIZE);
while (res>(TYPE*)(_c)) *--res /= o;
return *this;
}
///}
/// @name element access
@@ -221,6 +233,16 @@ template<typename TYPE, size_t TROWS=0, size_t TCOLUMNS=0> class Matrix:
return res;
}
template<size_t NEWCOLUMNS>
Matrix operator*(const Matrix<TYPE, TCOLUMNS, NEWCOLUMNS>& o) {
Matrix<TYPE, TROWS, NEWCOLUMNS> res;
for (size_t i(0); i<TROWS; ++i)
for (size_t k(0); k<NEWCOLUMNS; ++k)
for (size_t j(0); j<TCOLUMNS; ++j)
res(i, k) += (*this)(i, j) * o(j, k);
return res;
}
};
//==============================================================================
@@ -321,12 +343,6 @@ template<typename TYPE> class Matrix<TYPE, 0, 0>: public MatrixBase<TYPE> {
//==============================================================================
template<typename TYPE, size_t ROWS, size_t COLUMNS>
Matrix<TYPE, ROWS, COLUMNS> operator+(const Matrix<TYPE, ROWS, COLUMNS>& m1, const Matrix<TYPE, ROWS, COLUMNS>& m2) {
Matrix<TYPE, ROWS, COLUMNS> res(m1);
return res+=m2;
}
template<typename TYPE, size_t ROWS, size_t COLUMNS>
std::ostream& operator<<(std::ostream& s, const Matrix<TYPE, ROWS, COLUMNS>& m) {
for (size_t w = 0; w < m.ROWS; ++w) {