diff options
Diffstat (limited to 'test/stable_norm.cpp')
| -rw-r--r-- | test/stable_norm.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/stable_norm.cpp b/test/stable_norm.cpp index 7561ae8be..9f12320e0 100644 --- a/test/stable_norm.cpp +++ b/test/stable_norm.cpp @@ -163,6 +163,20 @@ template<typename MatrixType> void stable_norm(const MatrixType& m) VERIFY(!(numext::isfinite)(v.blueNorm())); VERIFY((numext::isnan)(v.blueNorm())); VERIFY(!(numext::isfinite)(v.hypotNorm())); VERIFY((numext::isnan)(v.hypotNorm())); } + + // stableNormalize[d] + { + VERIFY_IS_APPROX(vrand.stableNormalized(), vrand.normalized()); + MatrixType vcopy(vrand); + vcopy.stableNormalize(); + VERIFY_IS_APPROX(vcopy, vrand.normalized()); + VERIFY_IS_APPROX((vrand.stableNormalized()).norm(), RealScalar(1)); + VERIFY_IS_APPROX(vcopy.norm(), RealScalar(1)); + VERIFY_IS_APPROX((vbig.stableNormalized()).norm(), RealScalar(1)); + VERIFY_IS_APPROX((vsmall.stableNormalized()).norm(), RealScalar(1)); + VERIFY_IS_APPROX(vbig, vbig.stableNorm() * vbig.stableNormalized()); + VERIFY_IS_APPROX(vsmall, vsmall.stableNorm() * vsmall.stableNormalized()); + } } void test_stable_norm() |