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

* added cwise comparisons

Browse Source 
* added "all" and "any" special redux operators
 * added support bool matrices
 * added support for cost model of STL functors via ei_functor_traits
  (By default ei_functor_traits query the functor member Cost)
This commit is contained in:
Gael Guennebaud
2008-04-03 18:13:27 +00:00
parent 249dc4f482
commit 048910caae
8 changed files with 282 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
test/cwiseop.cpp
View File

@@ -27,6 +27,9 @@
#include <iostream>
#include <cmath>
#include <cstdlib>
#include <functional>
using namespace std;
namespace Eigen {
@@ -39,10 +42,10 @@ template<typename MatrixType> void cwiseops(const MatrixType& m)
{
typedef typename MatrixType::Scalar Scalar;
typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, 1> VectorType;
int rows = m.rows();
int cols = m.cols();
MatrixType m1 = MatrixType::random(rows, cols),
m2 = MatrixType::random(rows, cols),
m3(rows, cols),
@@ -57,13 +60,17 @@ template<typename MatrixType> void cwiseops(const MatrixType& m)
vzero = VectorType::zero(rows);
m2 = m2.template cwise<AddIfNull<Scalar> >(mones);
VERIFY_IS_APPROX( mzero, m1-m1);
VERIFY_IS_APPROX( m2, m1+m2-m1);
VERIFY_IS_APPROX( mones, m2.cwiseQuotient(m2));
VERIFY_IS_APPROX( m1.cwiseProduct(m2), m2.cwiseProduct(m1));
VERIFY( m1.cwiseLessThan(m1.cwise(bind2nd(plus<Scalar>(), Scalar(1)))).all() );
VERIFY( !m1.cwiseLessThan(m1.cwise(bind2nd(minus<Scalar>(), Scalar(1)))).all() );
VERIFY( !m1.cwiseGreaterThan(m1.cwise(bind2nd(plus<Scalar>(), Scalar(1)))).any() );
//VERIFY_IS_APPROX( m1, m2.cwiseProduct(m1).cwiseQuotient(m2));
// VERIFY_IS_APPROX( cwiseMin(m1,m2), cwiseMin(m2,m1) );
// VERIFY_IS_APPROX( cwiseMin(m1,m1+mones), m1 );
// VERIFY_IS_APPROX( cwiseMin(m1,m1-mones), m1-mones );