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

Fixed suggestions by Eugene Brevdo.

Browse Source
This commit is contained in:
Till Hoffmann
2016-04-01 17:51:39 +01:00
parent 57239f4a81
commit 3cb0a237c1
2 changed files with 52 additions and 54 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
test/array.cpp
View File

@@ -332,10 +332,22 @@ template<typename ArrayType> void array_real(const ArrayType& m)
VERIFY_IS_EQUAL(numext::zeta(Scalar(1), Scalar(1.2345)), // The second scalar does not matter
std::numeric_limits<RealScalar>::infinity());
// Check the polygamma against scipy.special.polygamma
// Check the polygamma against scipy.special.polygamma examples
VERIFY_IS_APPROX(numext::polygamma(Scalar(1), Scalar(2)), RealScalar(0.644934066848));
VERIFY_IS_APPROX(numext::polygamma(Scalar(1), Scalar(3)), RealScalar(0.394934066848));
VERIFY_IS_APPROX(numext::polygamma(Scalar(1), Scalar(25.5)), RealScalar(0.0399946696496));
// Check the polygamma function over a larger range of values
VERIFY_IS_APPROX(numext::polygamma(Scalar(17), Scalar(4.7)), RealScalar(293.334565435));
VERIFY_IS_APPROX(numext::polygamma(Scalar(31), Scalar(11.8)), RealScalar(0.445487887616));
VERIFY_IS_APPROX(numext::polygamma(Scalar(28), Scalar(17.7)), RealScalar(-2.47810300902e-07));
VERIFY_IS_APPROX(numext::polygamma(Scalar(8), Scalar(30.2)), RealScalar(-8.29668781082e-09));
/* The following tests only pass for doubles because floats cannot handle the large values of
the gamma function.
VERIFY_IS_APPROX(numext::polygamma(Scalar(42), Scalar(15.8)), RealScalar(-0.434562276666));
VERIFY_IS_APPROX(numext::polygamma(Scalar(147), Scalar(54.1)), RealScalar(0.567742190178));
VERIFY_IS_APPROX(numext::polygamma(Scalar(170), Scalar(64)), RealScalar(-0.0108615497927));
*/
{
// Test various propreties of igamma & igammac. These are normalized