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Some of our unit tests require mathematical constants and thus we rely on non-ansi code.

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It seems as if the new standard removed pow(T,int).
M_PIL is only defined when _GNU_SOURCE is defined.
This commit is contained in:
Hauke Heibel
2009-11-30 16:54:04 +01:00
parent 4b1aca2288
commit 66534b782c
3 changed files with 7 additions and 3 deletions
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4
unsupported/Eigen/src/MatrixFunctions/MatrixExponential.h
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@@ -272,7 +272,7 @@ void MatrixExponential<MatrixType>::computeUV(float)
} else {
const float maxnorm = 3.925724783138660f;
m_squarings = std::max(0, (int)ceil(log2(m_l1norm / maxnorm)));
MatrixType A = *m_M / std::pow(Scalar(2), m_squarings);
MatrixType A = *m_M / std::pow(Scalar(2), Scalar(m_squarings));
pade7(A);
}
}
@@ -291,7 +291,7 @@ void MatrixExponential<MatrixType>::computeUV(double)
} else {
const double maxnorm = 5.371920351148152;
m_squarings = std::max(0, (int)ceil(log2(m_l1norm / maxnorm)));
MatrixType A = *m_M / std::pow(Scalar(2), m_squarings);
MatrixType A = *m_M / std::pow(Scalar(2), Scalar(m_squarings));
pade13(A);
}
}