devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

fix cross product for complexes and add support for mixed real-complex cross products

Browse Source
This commit is contained in:
Gael Guennebaud
2011-01-27 11:33:37 +01:00
parent 0bfb78c824
commit e8d6a5ca87
3 changed files with 34 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
test/geo_orthomethods.cpp
View File

@@ -33,6 +33,7 @@
template<typename Scalar> void orthomethods_3()
{
typedef typename NumTraits<Scalar>::Real RealScalar;
typedef Matrix<Scalar,3,3> Matrix3;
typedef Matrix<Scalar,3,1> Vector3;
@@ -44,6 +45,9 @@ template<typename Scalar> void orthomethods_3()
// cross product
VERIFY_IS_MUCH_SMALLER_THAN(v1.cross(v2).dot(v1), Scalar(1));
VERIFY_IS_MUCH_SMALLER_THAN(v1.dot(v1.cross(v2)), Scalar(1));
VERIFY_IS_MUCH_SMALLER_THAN(v1.cross(v2).dot(v2), Scalar(1));
VERIFY_IS_MUCH_SMALLER_THAN(v2.dot(v1.cross(v2)), Scalar(1));
Matrix3 mat3;
mat3 << v0.normalized(),
(v0.cross(v1)).normalized(),
@@ -68,6 +72,12 @@ template<typename Scalar> void orthomethods_3()
v40.w() = v41.w() = v42.w() = 0;
v42.template head<3>() = v40.template head<3>().cross(v41.template head<3>());
VERIFY_IS_APPROX(v40.cross3(v41), v42);
// check mixed product
typedef Matrix<RealScalar, 3, 1> RealVector3;
RealVector3 rv1 = RealVector3::Random();
VERIFY_IS_APPROX(v1.cross(rv1.template cast<Scalar>()), v1.cross(rv1));
VERIFY_IS_APPROX(rv1.template cast<Scalar>().cross(v1), rv1.cross(v1));
}
template<typename Scalar, int Size> void orthomethods(int size=Size)
@@ -115,6 +125,7 @@ void test_geo_orthomethods()
for(int i = 0; i < g_repeat; i++) {
CALL_SUBTEST_1( orthomethods_3<float>() );
CALL_SUBTEST_2( orthomethods_3<double>() );
CALL_SUBTEST_4( orthomethods_3<std::complex<double> >() );
CALL_SUBTEST_1( (orthomethods<float,2>()) );
CALL_SUBTEST_2( (orthomethods<double,2>()) );
CALL_SUBTEST_1( (orthomethods<float,3>()) );