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add test for normalize() and normalized()

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This commit is contained in:
Benoit Jacob 2011-06-15 00:30:46 -04:00
parent 842881cfb1
commit d2673d89bd
1 changed files with 11 additions and 3 deletions
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14
test/adjoint.cpp
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@ -65,15 +65,23 @@ template<typename MatrixType> void adjoint(const MatrixType& m)
// check basic properties of dot, norm, norm2
typedef typename NumTraits<Scalar>::Real RealScalar;
RealScalar ref = NumTraits<Scalar>::IsInteger ? 0 : std::max((s1 * v1 + s2 * v2).norm(),v3.norm());
RealScalar ref = NumTraits<Scalar>::IsInteger ? RealScalar(0) : std::max((s1 * v1 + s2 * v2).norm(),v3.norm());
VERIFY(test_isApproxWithRef((s1 * v1 + s2 * v2).dot(v3), internal::conj(s1) * v1.dot(v3) + internal::conj(s2) * v2.dot(v3), ref));
VERIFY(test_isApproxWithRef(v3.dot(s1 * v1 + s2 * v2), s1*v3.dot(v1)+s2*v3.dot(v2), ref));
VERIFY_IS_APPROX(internal::conj(v1.dot(v2)), v2.dot(v1));
VERIFY_IS_APPROX(internal::real(v1.dot(v1)), v1.squaredNorm());
if(!NumTraits<Scalar>::IsInteger)
if(!NumTraits<Scalar>::IsInteger) {
VERIFY_IS_APPROX(v1.squaredNorm(), v1.norm() * v1.norm());
// check normalized() and normalize()
VERIFY_IS_APPROX(v1, v1.norm() * v1.normalized());
// normalize() returns a reference to *this
v3 = v1;
VERIFY_IS_APPROX(v1, v1.norm() * v3.normalize());
VERIFY_IS_APPROX(v3, v1.normalized());
VERIFY_IS_APPROX(v3.norm(), RealScalar(1));
}
VERIFY_IS_MUCH_SMALLER_THAN(internal::abs(vzero.dot(v1)), static_cast<RealScalar>(1));
// check compatibility of dot and adjoint
ref = NumTraits<Scalar>::IsInteger ? 0 : std::max(std::max(v1.norm(),v2.norm()),std::max((square * v2).norm(),(square.adjoint() * v1).norm()));