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| author |  Gael Guennebaud <g.gael@free.fr> | 2015-11-27 16:27:53 +0100 |
|---|---|---|
| committer | Gael Guennebaud <g.gael@free.fr> | 2015-11-27 16:27:53 +0100 |
| commit | 3f32f5ec221c443fa354aaa1ea6d5628bb971474 (patch) | |
| tree | cd98d6ff1572eb9043c1fe51f9607307ac4e7335 /test | |
| parent | da46b1ed5412a7bf727f489ca4f782abcd4743e8 (diff) | |
ArrayBase::sign: add unit test and fix doc
Diffstat (limited to 'test')
| -rw-r--r-- | test/array.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test/array.cpp b/test/array.cpp index d437105da..367bda2c4 100644 --- a/test/array.cpp +++ b/test/array.cpp @@ -230,6 +230,7 @@ template<typename ArrayType> void array_real(const ArrayType& m) VERIFY_IS_APPROX(m1.square(), square(m1)); VERIFY_IS_APPROX(m1.cube(), cube(m1)); VERIFY_IS_APPROX(cos(m1+RealScalar(3)*m2), cos((m1+RealScalar(3)*m2).eval())); + VERIFY_IS_APPROX(m1.sign(), sign(m1)); // avoid NaNs with abs() so verification doesn't fail @@ -255,6 +256,9 @@ template<typename ArrayType> void array_real(const ArrayType& m) VERIFY_IS_APPROX(inverse(inverse(m1)),m1); VERIFY((abs(m1) == m1 || abs(m1) == -m1).all()); VERIFY_IS_APPROX(m3, sqrt(abs2(m1))); + VERIFY_IS_APPROX( m1.sign(), -(-m1).sign() ); + VERIFY_IS_APPROX( m1*m1.sign(),m1.abs()); + VERIFY_IS_APPROX(m1.sign() * m1.abs(), m1); VERIFY_IS_APPROX(numext::abs2(numext::real(m1)) + numext::abs2(numext::imag(m1)), numext::abs2(m1)); VERIFY_IS_APPROX(numext::abs2(real(m1)) + numext::abs2(imag(m1)), numext::abs2(m1)); @@ -348,6 +352,7 @@ template<typename ArrayType> void array_complex(const ArrayType& m) VERIFY_IS_APPROX(m1.square(), square(m1)); VERIFY_IS_APPROX(m1.cube(), cube(m1)); VERIFY_IS_APPROX(cos(m1+RealScalar(3)*m2), cos((m1+RealScalar(3)*m2).eval())); + VERIFY_IS_APPROX(m1.sign(), sign(m1)); VERIFY_IS_APPROX(m1.exp() * m2.exp(), exp(m1+m2)); @@ -391,6 +396,9 @@ template<typename ArrayType> void array_complex(const ArrayType& m) VERIFY_IS_APPROX(abs(m1), sqrt(abs2(m1))); VERIFY_IS_APPROX(log10(m1), log(m1)/log(10)); + VERIFY_IS_APPROX( m1.sign(), -(-m1).sign() ); + VERIFY_IS_APPROX( m1.sign() * m1.abs(), m1); + // scalar by array division const RealScalar tiny = sqrt(std::numeric_limits<RealScalar>::epsilon()); s1 += Scalar(tiny); |