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Addresses comments on Eigen pull request PR-174.

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* Get rid of code-duplication for real vs. complex matrices.
* Fix flipped arguments to select.
* Make the condition estimation functions free functions.
* Use Vector::Unit() to generate canonical unit vectors.
* Misc. cleanup.
This commit is contained in:
Rasmus Munk Larsen
2016-04-04 14:20:01 -07:00
parent 30242b7565
commit 86e0ed81f8
7 changed files with 177 additions and 267 deletions
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7
test/lu.cpp
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@@ -151,10 +151,10 @@ template<typename MatrixType> void lu_invertible()
MatrixType m1_inverse = lu.inverse();
VERIFY_IS_APPROX(m2, m1_inverse*m3);
// Verify that the estimated condition number is within a factor of 10 of the
// truth.
RealScalar rcond = (RealScalar(1) / matrix_l1_norm(m1)) / matrix_l1_norm(m1_inverse);
const RealScalar rcond_est = lu.rcond();
// Verify that the estimated condition number is within a factor of 10 of the
// truth.
VERIFY(rcond_est > rcond / 10 && rcond_est < rcond * 10);
// test solve with transposed
@@ -197,10 +197,9 @@ template<typename MatrixType> void lu_partial_piv()
MatrixType m1_inverse = plu.inverse();
VERIFY_IS_APPROX(m2, m1_inverse*m3);
// Test condition number estimation.
RealScalar rcond = (RealScalar(1) / matrix_l1_norm(m1)) / matrix_l1_norm(m1_inverse);
// Verify that the estimate is within a factor of 10 of the truth.
const RealScalar rcond_est = plu.rcond();
// Verify that the estimate is within a factor of 10 of the truth.
VERIFY(rcond_est > rcond / 10 && rcond_est < rcond * 10);
// test solve with transposed