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

overload operartor* with a ProductBase such that "scalar * (mat * mat)" is optimized

Browse Source 
as one could naturally expect
This commit is contained in:
Gael Guennebaud
2009-08-11 15:15:06 +02:00
parent a4f6642518
commit afbd73b5cd
9 changed files with 76 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
test/product_notemporary.cpp
View File

@@ -79,7 +79,7 @@ template<typename MatrixType> void product_notemporary(const MatrixType& m)
VERIFY_EVALUATION_COUNT( m3 = (s1 * m1 * s2 * (m1*s3+m2*s2).adjoint()).lazy(), 1);
VERIFY_EVALUATION_COUNT( m3 = ((s1 * m1).adjoint() * s2 * m2).lazy(), 0);
VERIFY_EVALUATION_COUNT( m3 -= (s1 * (-m1*s3).adjoint() * (s2 * m2 * s3)).lazy(), 0);
VERIFY_EVALUATION_COUNT( m3 -= (s1 * (m1.transpose() * m2)).lazy(), 1);
VERIFY_EVALUATION_COUNT( m3 -= (s1 * (m1.transpose() * m2)).lazy(), 0);
VERIFY_EVALUATION_COUNT(( m3.block(r0,r0,r1,r1) += (-m1.block(r0,c0,r1,c1) * (s2*m2.block(r0,c0,r1,c1)).adjoint()).lazy() ), 0);
VERIFY_EVALUATION_COUNT(( m3.block(r0,r0,r1,r1) -= (s1 * m1.block(r0,c0,r1,c1) * m2.block(c0,r0,c1,r1)).lazy() ), 0);