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Add matrix transpose

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This commit is contained in:
Pavel Krajcevski 2014-02-20 16:15:13 -05:00
parent 98bc157e00
commit 0c4b226c78
2 changed files with 26 additions and 0 deletions
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11
Base/include/MatrixBase.h
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@ -98,6 +98,17 @@ namespace FasTC {
return result;
}
// Transposition
MatrixBase<T, nCols, nRows> Transpose() const {
MatrixBase<T, nCols, nRows> result;
for(int r = 0; r < nRows; r++) {
for(int c = 0; c < nCols; c++) {
result(c, r) = (*this)(r, c);
}
}
return result;
}
// Double dot product
template<typename _T>
T DDot(const MatrixBase<_T, nRows, nCols> &m) {

15
Base/test/TestMatrix.cpp
View File

@ -156,6 +156,21 @@ TEST(MatrixBase, MatrixMultiplication) {
EXPECT_NEAR(amb(1, 4), 45, kEpsilon);
}
TEST(MatrixBase, Transposition) {
FasTC::MatrixBase<int, 3, 5> a;
a(0, 0) = -1; a(0, 1) = 2; a(0, 2) = -4; a(0, 3) = 5; a(0, 4) = 0;
a(1, 0) = 1; a(1, 1) = 2; a(1, 2) = 4; a(1, 3) = 6; a(1, 4) = 3;
a(2, 0) = -1; a(2, 1) = -2; a(2, 2) = -3; a(2, 3) = -4; a(2, 4) = 5;
FasTC::MatrixBase<int, 5, 3> b = a.Transpose();
for(int i = 0; i < 3; i++) {
for(int j = 0; j < 5; j++) {
EXPECT_EQ(a(i, j), b(j, i));
}
}
}
TEST(MatrixBase, VectorMultiplication) {
// Stub
EXPECT_EQ(0, 1);