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Add free-function swap.

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This commit is contained in:
Antonio Sánchez
2024-10-14 15:51:40 +00:00
committed by Rasmus Munk Larsen
parent 820e8a45fb
commit b396a6fbb2
4 changed files with 48 additions and 0 deletions
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25
test/swap.cpp
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@@ -63,6 +63,16 @@ void swap(const MatrixType& m) {
}
m1 = m1_copy;
m2 = m2_copy;
d1 = m1.data(), d2 = m2.data();
swap(m1, m2);
VERIFY_IS_APPROX(m1, m2_copy);
VERIFY_IS_APPROX(m2, m1_copy);
if (MatrixType::SizeAtCompileTime == Dynamic) {
VERIFY(m1.data() == d2);
VERIFY(m2.data() == d1);
}
m1 = m1_copy;
m2 = m2_copy;
// test swapping 2 matrices of different types
m1.swap(m3);
@@ -70,6 +80,11 @@ void swap(const MatrixType& m) {
VERIFY_IS_APPROX(m3, m1_copy);
m1 = m1_copy;
m3 = m3_copy;
swap(m1, m3);
VERIFY_IS_APPROX(m1, m3_copy);
VERIFY_IS_APPROX(m3, m1_copy);
m1 = m1_copy;
m3 = m3_copy;
// test swapping matrix with expression
m1.swap(m2.block(0, 0, rows, cols));
@@ -77,6 +92,11 @@ void swap(const MatrixType& m) {
VERIFY_IS_APPROX(m2, m1_copy);
m1 = m1_copy;
m2 = m2_copy;
swap(m1, m2.block(0, 0, rows, cols));
VERIFY_IS_APPROX(m1, m2_copy);
VERIFY_IS_APPROX(m2, m1_copy);
m1 = m1_copy;
m2 = m2_copy;
// test swapping two expressions of different types
m1.transpose().swap(m3.transpose());
@@ -84,6 +104,11 @@ void swap(const MatrixType& m) {
VERIFY_IS_APPROX(m3, m1_copy);
m1 = m1_copy;
m3 = m3_copy;
swap(m1.transpose(), m3.transpose());
VERIFY_IS_APPROX(m1, m3_copy);
VERIFY_IS_APPROX(m3, m1_copy);
m1 = m1_copy;
m3 = m3_copy;
check_row_swap(m1);
}