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Got rid of a warning message by doing an explicit cast

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clusty 2012-05-02 10:50:44 -04:00
parent 553a0ae924
commit d062a8bd31
1 changed files with 1 additions and 1 deletions
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unsupported/Eigen/src/MatrixFunctions/MatrixLogarithm.h
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@ -139,7 +139,7 @@ void MatrixLogarithmAtomic<MatrixType>::compute2x2(const MatrixType& A, MatrixTy
result(0,1) = A(0,1) * (logA11 - logA00) / (A(1,1) - A(0,0));
} else {
// computation in previous branch is inaccurate if A(1,1) \approx A(0,0)
int unwindingNumber = ceil((imag(logA11 - logA00) - M_PI) / (2*M_PI));
int unwindingNumber = static_cast<int>(ceil((imag(logA11 - logA00) - M_PI) / (2*M_PI)));
Scalar z = (A(1,1) - A(0,0)) / (A(1,1) + A(0,0));
result(0,1) = A(0,1) * (Scalar(2) * atanh(z) + Scalar(0,2*M_PI*unwindingNumber)) / (A(1,1) - A(0,0));
}