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* add a writable generic coeff wise expression (CwiseUnaryView)

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* add writable .real() and .imag() functions
This commit is contained in:
Gael Guennebaud
2009-05-20 15:41:23 +02:00
parent 6ecd02d7ec
commit dd45c4805c
9 changed files with 204 additions and 6 deletions
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37
test/basicstuff.cpp
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@@ -107,6 +107,40 @@ template<typename MatrixType> void basicStuff(const MatrixType& m)
{
VERIFY_IS_NOT_APPROX(m3, m1);
}
m3.real() = m1.real();
VERIFY_IS_APPROX(static_cast<const MatrixType&>(m3).real(), static_cast<const MatrixType&>(m1).real());
VERIFY_IS_APPROX(static_cast<const MatrixType&>(m3).real(), m1.real());
}
template<typename MatrixType> void basicStuffComplex(const MatrixType& m)
{
typedef typename MatrixType::Scalar Scalar;
typedef typename NumTraits<Scalar>::Real RealScalar;
typedef Matrix<RealScalar, MatrixType::RowsAtCompileTime, MatrixType::ColsAtCompileTime> RealMatrixType;
int rows = m.rows();
int cols = m.cols();
Scalar s1 = ei_random<Scalar>(),
s2 = ei_random<Scalar>();
VERIFY(ei_real(s1)==ei_real_ref(s1));
VERIFY(ei_imag(s1)==ei_imag_ref(s1));
ei_real_ref(s1) = ei_real(s2);
ei_imag_ref(s1) = ei_imag(s2);
VERIFY(s1==s2);
RealMatrixType rm1 = RealMatrixType::Random(rows,cols),
rm2 = RealMatrixType::Random(rows,cols);
MatrixType cm(rows,cols);
cm.real() = rm1;
cm.imag() = rm2;
VERIFY_IS_APPROX(static_cast<const MatrixType&>(cm).real(), rm1);
VERIFY_IS_APPROX(static_cast<const MatrixType&>(cm).imag(), rm2);
cm.real().setZero();
VERIFY(static_cast<const MatrixType&>(cm).real().isZero());
VERIFY(!static_cast<const MatrixType&>(cm).imag().isZero());
}
void casting()
@@ -128,6 +162,9 @@ void test_basicstuff()
CALL_SUBTEST( basicStuff(MatrixXcd(20, 20)) );
CALL_SUBTEST( basicStuff(Matrix<float, 100, 100>()) );
CALL_SUBTEST( basicStuff(Matrix<long double,Dynamic,Dynamic>(10,10)) );
CALL_SUBTEST( basicStuffComplex(MatrixXcf(21, 17)) );
CALL_SUBTEST( basicStuffComplex(MatrixXcd(2, 3)) );
}
CALL_SUBTEST(casting());