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Remove assumption of std::complex for complex scalar types.

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This commit is contained in:
Antonio Sanchez
2025-02-12 11:21:44 -08:00
parent 6b4881ad48
commit 22cd7307dd
21 changed files with 273 additions and 115 deletions
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11
unsupported/Eigen/src/IterativeSolvers/DGMRES.h
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@@ -111,12 +111,13 @@ class DGMRES : public IterativeSolverBase<DGMRES<MatrixType_, Preconditioner_> >
typedef typename MatrixType::Scalar Scalar;
typedef typename MatrixType::StorageIndex StorageIndex;
typedef typename MatrixType::RealScalar RealScalar;
typedef internal::make_complex_t<Scalar> ComplexScalar;
typedef Preconditioner_ Preconditioner;
typedef Matrix<Scalar, Dynamic, Dynamic> DenseMatrix;
typedef Matrix<RealScalar, Dynamic, Dynamic> DenseRealMatrix;
typedef Matrix<Scalar, Dynamic, 1> DenseVector;
typedef Matrix<RealScalar, Dynamic, 1> DenseRealVector;
typedef Matrix<std::complex<RealScalar>, Dynamic, 1> ComplexVector;
typedef Matrix<ComplexScalar, Dynamic, 1> ComplexVector;
/** Default constructor. */
DGMRES()
@@ -389,15 +390,15 @@ inline typename DGMRES<MatrixType_, Preconditioner_>::ComplexVector DGMRES<Matri
Index j = 0;
while (j < it - 1) {
if (T(j + 1, j) == Scalar(0)) {
eig(j) = std::complex<RealScalar>(T(j, j), RealScalar(0));
eig(j) = ComplexScalar(T(j, j), RealScalar(0));
j++;
} else {
eig(j) = std::complex<RealScalar>(T(j, j), T(j + 1, j));
eig(j + 1) = std::complex<RealScalar>(T(j, j + 1), T(j + 1, j + 1));
eig(j) = ComplexScalar(T(j, j), T(j + 1, j));
eig(j + 1) = ComplexScalar(T(j, j + 1), T(j + 1, j + 1));
j++;
}
}
if (j < it - 1) eig(j) = std::complex<RealScalar>(T(j, j), RealScalar(0));
if (j < it - 1) eig(j) = ComplexScalar(T(j, j), RealScalar(0));
return eig;
}