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

* block() for vectors ---> segment()

Browse Source 
* documentation improvements, especially in quickstart guide
This commit is contained in:
Benoit Jacob
2008-09-15 15:45:41 +00:00
parent 0940ad7127
commit 247f2b0ffa
18 changed files with 213 additions and 243 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
test/submatrices.cpp
View File

@@ -128,15 +128,15 @@ template<typename MatrixType> void submatrices(const MatrixType& m)
// test sub vectors
VERIFY_IS_APPROX(v1.template start<2>(), v1.block(0,0,2,1));
VERIFY_IS_APPROX(v1.template start<2>(), v1.start(2));
VERIFY_IS_APPROX(v1.template start<2>(), v1.block(0,2));
VERIFY_IS_APPROX(v1.template start<2>(), v1.template block<2>(0));
VERIFY_IS_APPROX(v1.template start<2>(), v1.segment(0,2));
VERIFY_IS_APPROX(v1.template start<2>(), v1.template segment<2>(0));
int i = rows-2;
VERIFY_IS_APPROX(v1.template end<2>(), v1.block(i,0,2,1));
VERIFY_IS_APPROX(v1.template end<2>(), v1.end(2));
VERIFY_IS_APPROX(v1.template end<2>(), v1.block(i,2));
VERIFY_IS_APPROX(v1.template end<2>(), v1.template block<2>(i));
VERIFY_IS_APPROX(v1.template end<2>(), v1.segment(i,2));
VERIFY_IS_APPROX(v1.template end<2>(), v1.template segment<2>(i));
i = ei_random(0,rows-2);
VERIFY_IS_APPROX(v1.block(i,2), v1.template block<2>(i));
VERIFY_IS_APPROX(v1.segment(i,2), v1.template segment<2>(i));
}
// stress some basic stuffs with block matrices

2
test/sum.cpp
View File

@@ -64,7 +64,7 @@ template<typename VectorType> void vectorSum(const VectorType& w)
{
Scalar s = Scalar(0);
for(int j = i; j < size-i; j++) s += v[j];
VERIFY_IS_APPROX(s, v.block(i, size-2*i).sum());
VERIFY_IS_APPROX(s, v.segment(i, size-2*i).sum());
}
}