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Fix false negative in redux test

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This commit is contained in:
Gael Guennebaud 2015-10-27 21:37:03 +01:00
parent d4cf436cb1
commit 827d8a9bad
1 changed files with 4 additions and 2 deletions
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6
test/redux.cpp
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@ -24,7 +24,7 @@ template<typename MatrixType> void matrixRedux(const MatrixType& m)
MatrixType m1 = MatrixType::Random(rows, cols);
// The entries of m1 are uniformly distributed in [0,1], so m1.prod() is very small. This may lead to test
// failures if we underflow into denormals. Thus, we scale so that entires are close to 1.
// failures if we underflow into denormals. Thus, we scale so that entries are close to 1.
MatrixType m1_for_prod = MatrixType::Ones(rows, cols) + RealScalar(0.2) * m1;
VERIFY_IS_MUCH_SMALLER_THAN(MatrixType::Zero(rows, cols).sum(), Scalar(1));
@ -71,7 +71,9 @@ template<typename MatrixType> void matrixRedux(const MatrixType& m)
// test nesting complex expression
VERIFY_EVALUATION_COUNT( (m1.matrix()*m1.matrix().transpose()).sum(), (MatrixType::SizeAtCompileTime==Dynamic ? 1 : 0) );
VERIFY_EVALUATION_COUNT( ((m1.matrix()*m1.matrix().transpose())*Scalar(2)).sum(), (MatrixType::SizeAtCompileTime==Dynamic ? 1 : 0) );
Matrix<Scalar, MatrixType::RowsAtCompileTime, MatrixType::RowsAtCompileTime> m2(rows,rows);
m2.setRandom();
VERIFY_EVALUATION_COUNT( ((m1.matrix()*m1.matrix().transpose())+m2).sum(), (MatrixType::SizeAtCompileTime==Dynamic ? 1 : 0) );
}