diff options
Diffstat (limited to 'test/householder.cpp')
-rw-r--r-- | test/householder.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/test/householder.cpp b/test/householder.cpp index 2d025e702..b7a1cadf9 100644 --- a/test/householder.cpp +++ b/test/householder.cpp @@ -59,7 +59,7 @@ template<typename MatrixType> void householder(const MatrixType& m) v1.makeHouseholder(essential, beta, alpha); v1.applyHouseholderOnTheLeft(essential,beta,tmp); VERIFY_IS_APPROX(v1.norm(), v2.norm()); - VERIFY_IS_MUCH_SMALLER_THAN(v1.tail(rows-1).norm(), v1.norm()); + if(rows>=2) VERIFY_IS_MUCH_SMALLER_THAN(v1.tail(rows-1).norm(), v1.norm()); v1 = VectorType::Random(rows); v2 = v1; v1.applyHouseholderOnTheLeft(essential,beta,tmp); @@ -75,7 +75,7 @@ template<typename MatrixType> void householder(const MatrixType& m) m1.col(0).makeHouseholder(essential, beta, alpha); m1.applyHouseholderOnTheLeft(essential,beta,tmp); VERIFY_IS_APPROX(m1.norm(), m2.norm()); - VERIFY_IS_MUCH_SMALLER_THAN(m1.block(1,0,rows-1,cols).norm(), m1.norm()); + if(rows>=2) VERIFY_IS_MUCH_SMALLER_THAN(m1.block(1,0,rows-1,cols).norm(), m1.norm()); VERIFY_IS_MUCH_SMALLER_THAN(ei_imag(m1(0,0)), ei_real(m1(0,0))); VERIFY_IS_APPROX(ei_real(m1(0,0)), alpha); @@ -87,7 +87,7 @@ template<typename MatrixType> void householder(const MatrixType& m) m3.row(0).makeHouseholder(essential, beta, alpha); m3.applyHouseholderOnTheRight(essential,beta,tmp); VERIFY_IS_APPROX(m3.norm(), m4.norm()); - VERIFY_IS_MUCH_SMALLER_THAN(m3.block(0,1,rows,rows-1).norm(), m3.norm()); + if(rows>=2) VERIFY_IS_MUCH_SMALLER_THAN(m3.block(0,1,rows,rows-1).norm(), m3.norm()); VERIFY_IS_MUCH_SMALLER_THAN(ei_imag(m3(0,0)), ei_real(m3(0,0))); VERIFY_IS_APPROX(ei_real(m3(0,0)), alpha); @@ -127,5 +127,6 @@ void test_householder() CALL_SUBTEST_5( householder(MatrixXd(10,12)) ); CALL_SUBTEST_6( householder(MatrixXcf(16,17)) ); CALL_SUBTEST_7( householder(MatrixXf(25,7)) ); + CALL_SUBTEST_8( householder(Matrix<double,1,1>()) ); } } |