//==================================================================================================================== int invert(DenseMatrix& A, size_t nn) { integer n = static_cast<int>(nn != npos ? nn : A.nRows()); int info=0; ct_dgetrf(n, n, A.ptrColumn(0), static_cast<int>(A.nRows()), &A.ipiv()[0], info); if (info != 0) { if (A.m_printLevel) { writelogf("invert(DenseMatrix& A, int nn): DGETRS returned INFO = %d\n", info); } if (! A.m_useReturnErrorCode) { throw CELapackError("invert(DenseMatrix& A, int nn)", "DGETRS returned INFO = "+int2str(info)); } return info; } vector_fp work(n); integer lwork = static_cast<int>(work.size()); ct_dgetri(n, A.ptrColumn(0), static_cast<int>(A.nRows()), &A.ipiv()[0], &work[0], lwork, info); if (info != 0) { if (A.m_printLevel) { writelogf("invert(DenseMatrix& A, int nn): DGETRS returned INFO = %d\n", info); } if (! A.m_useReturnErrorCode) { throw CELapackError("invert(DenseMatrix& A, int nn)", "DGETRI returned INFO="+int2str(info)); } } return info; }
//==================================================================================================================== int solve(DenseMatrix& A, DenseMatrix& b) { int info = 0; if (A.nColumns() != A.nRows()) { if (A.m_printLevel) { writelogf("solve(DenseMatrix& A, DenseMatrix& b): Can only solve a square matrix\n"); } if (! A.m_useReturnErrorCode) { throw CELapackError("solve(DenseMatrix& A, DenseMatrix& b)", "Can only solve a square matrix"); } return -1; } ct_dgetrf(static_cast<int>(A.nRows()), static_cast<int>(A.nColumns()), A.ptrColumn(0), static_cast<int>(A.nRows()), &A.ipiv()[0], info); if (info != 0) { if (info > 0) { if (A.m_printLevel) { writelogf("solve(DenseMatrix& A, DenseMatrix& b): DGETRF returned INFO = %d U(i,i) is exactly zero. The factorization has" " been completed, but the factor U is exactly singular, and division by zero will occur if " "it is used to solve a system of equations.\n", info); } if (! A.m_useReturnErrorCode) { throw CELapackError("solve(DenseMatrix& A, DenseMatrix& b)", "DGETRF returned INFO = "+int2str(info) + ". U(i,i) is exactly zero. The factorization has" " been completed, but the factor U is exactly singular, and division by zero will occur if " "it is used to solve a system of equations."); } } else { if (A.m_printLevel) { writelogf("solve(DenseMatrix& A, DenseMatrix& b): DGETRF returned INFO = %d. The argument i has an illegal value\n", info); } if (! A.m_useReturnErrorCode) { throw CELapackError("solve(DenseMatrix& A, DenseMatrix& b)", "DGETRF returned INFO = "+int2str(info) + ". The argument i has an illegal value"); } } return info; } ct_dgetrs(ctlapack::NoTranspose, static_cast<int>(A.nRows()), static_cast<int>(b.nColumns()), A.ptrColumn(0), static_cast<int>(A.nRows()), &A.ipiv()[0], b.ptrColumn(0), static_cast<int>(b.nRows()), info); if (info != 0) { if (A.m_printLevel) { writelogf("solve(DenseMatrix& A, DenseMatrix& b): DGETRS returned INFO = %d\n", info); } if (! A.m_useReturnErrorCode) { throw CELapackError("solve(DenseMatrix& A, DenseMatrix& b)", "DGETRS returned INFO = "+int2str(info)); } } return info; }
int solve(DenseMatrix& A, DenseMatrix& b) { int info=0; ct_dgetrf(static_cast<int>(A.nRows()), static_cast<int>(A.nColumns()), A.ptrColumn(0), static_cast<int>(A.nRows()), &A.ipiv()[0], info); if (info != 0) throw CanteraError("DenseMatrix::solve", "DGETRF returned INFO = "+int2str(info)); ct_dgetrs(ctlapack::NoTranspose, static_cast<int>(A.nRows()), static_cast<int>(b.nColumns()), A.ptrColumn(0), static_cast<int>(A.nRows()), &A.ipiv()[0], b.ptrColumn(0), static_cast<int>(b.nRows()), info); if (info != 0) throw CanteraError("DenseMatrix::solve", "DGETRS returned INFO = "+int2str(info)); return 0; }
int invert(DenseMatrix& A, int nn) { integer n = (nn > 0 ? nn : static_cast<int>(A.nRows())); int info=0; ct_dgetrf(n, n, A.ptrColumn(0), static_cast<int>(A.nRows()), &A.ipiv()[0], info); if (info != 0) throw CanteraError("invert", "DGETRF returned INFO="+int2str(info)); vector_fp work(n); integer lwork = static_cast<int>(work.size()); ct_dgetri(n, A.ptrColumn(0), static_cast<int>(A.nRows()), &A.ipiv()[0], &work[0], lwork, info); if (info != 0) throw CanteraError("invert", "DGETRI returned INFO="+int2str(info)); return 0; }
/* * @param y Object to be copied */ DenseMatrix::DenseMatrix(const DenseMatrix& y) : Array2D(y), m_ipiv(0), m_useReturnErrorCode(0), m_printLevel(0) { m_ipiv = y.ipiv(); m_colPts.resize(m_ncols); for (int j = 0; j < m_ncols; j++) { m_colPts[j] = &(m_data[m_nrows*j]); } }