Section 3: library functions
dggev.f – Synopsis Functions/Subroutines subroutine dggev (JOBVL, JOBVR, N, A, LDA, B, LDB, ALPHAR, ALPHAI, BETA, VL, LDVL, VR, LDVR, WORK, LWORK, INFO) DGGEV computes the eigenvalues and, optionally, the left and/or right eigenvectors for GE matrices Function/Subroutine Documentation subroutine dggev (characterJOBVL, characterJOBVR, integerN, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( ldb,…
dggesx.f – Synopsis Functions/Subroutines subroutine dggesx (JOBVSL, JOBVSR, SORT, SELCTG, SENSE, N, A, LDA, B, LDB, SDIM, ALPHAR, ALPHAI, BETA, VSL, LDVSL, VSR, LDVSR, RCONDE, RCONDV, WORK, LWORK, IWORK, LIWORK, BWORK, INFO) DGGESX computes the eigenvalues, the Schur form, and, optionally, the matrix of Schur vectors for GE matrices Function/Subroutine Documentation subroutine dggesx (characterJOBVSL, characterJOBVSR,…
dgges.f – Synopsis Functions/Subroutines subroutine dgges (JOBVSL, JOBVSR, SORT, SELCTG, N, A, LDA, B, LDB, SDIM, ALPHAR, ALPHAI, BETA, VSL, LDVSL, VSR, LDVSR, WORK, LWORK, BWORK, INFO) DGGES computes the eigenvalues, the Schur form, and, optionally, the matrix of Schur vectors for GE matrices Function/Subroutine Documentation subroutine dgges (characterJOBVSL, characterJOBVSR, characterSORT, logical, externalSELCTG, integerN, double…
dggbal.f – Synopsis Functions/Subroutines subroutine dggbal (JOB, N, A, LDA, B, LDB, ILO, IHI, LSCALE, RSCALE, WORK, INFO) DGGBAL Function/Subroutine Documentation subroutine dggbal (characterJOB, integerN, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( ldb, * )B, integerLDB, integerILO, integerIHI, double precision, dimension( * )LSCALE, double precision, dimension( * )RSCALE, double precision, dimension( *…
dggbak.f – SynopsisFunctions/Subroutinessubroutine dggbak (JOB, SIDE, N, ILO, IHI, LSCALE, RSCALE, M, V, LDV, INFO) DGGBAK Function/Subroutine Documentationsubroutine dggbak (characterJOB, characterSIDE, integerN, integerILO, integerIHI, double precision, dimension( * )LSCALE, double precision, dimension( * )RSCALE, integerM, double precision, dimension( ldv, * )V, integerLDV, integerINFO)DGGBAK Purpose: DGGBAK forms the right or left eigenvectors of a real generalized…
dgetrs.f – SynopsisFunctions/Subroutinessubroutine dgetrs (TRANS, N, NRHS, A, LDA, IPIV, B, LDB, INFO) DGETRS Function/Subroutine Documentationsubroutine dgetrs (characterTRANS, integerN, integerNRHS, double precision, dimension( lda, * )A, integerLDA, integer, dimension( * )IPIV, double precision, dimension( ldb, * )B, integerLDB, integerINFO)DGETRS Purpose: DGETRS solves a system of linear equations A * X = B or A**T *…
dgetri.f – SynopsisFunctions/Subroutinessubroutine dgetri (N, A, LDA, IPIV, WORK, LWORK, INFO) DGETRI Function/Subroutine Documentationsubroutine dgetri (integerN, double precision, dimension( lda, * )A, integerLDA, integer, dimension( * )IPIV, double precision, dimension( * )WORK, integerLWORK, integerINFO)DGETRI Purpose: DGETRI computes the inverse of a matrix using the LU factorization computed by DGETRF. This method inverts U and then…
dgetrf.f – SynopsisFunctions/Subroutinessubroutine dgetrf (M, N, A, LDA, IPIV, INFO) DGETRF Function/Subroutine Documentationsubroutine dgetrf (integerM, integerN, double precision, dimension( lda, * )A, integerLDA, integer, dimension( * )IPIV, integerINFO)DGETRF Purpose: DGETRF computes an LU factorization of a general M-by-N matrix A using partial pivoting with row interchanges. The factorization has the form A = P *…
dgetf2.f – SynopsisFunctions/Subroutinessubroutine dgetf2 (M, N, A, LDA, IPIV, INFO) DGETF2 computes the LU factorization of a general m-by-n matrix using partial pivoting with row interchanges (unblocked algorithm). Function/Subroutine Documentationsubroutine dgetf2 (integerM, integerN, double precision, dimension( lda, * )A, integerLDA, integer, dimension( * )IPIV, integerINFO)DGETF2 computes the LU factorization of a general m-by-n matrix using…
dgetc2.f – SynopsisFunctions/Subroutinessubroutine dgetc2 (N, A, LDA, IPIV, JPIV, INFO) DGETC2 computes the LU factorization with complete pivoting of the general n-by-n matrix. Function/Subroutine Documentationsubroutine dgetc2 (integerN, double precision, dimension( lda, * )A, integerLDA, integer, dimension( * )IPIV, integer, dimension( * )JPIV, integerINFO)DGETC2 computes the LU factorization with complete pivoting of the general n-by-n matrix….
dgesvxx.f – SynopsisFunctions/Subroutinessubroutine dgesvxx (FACT, TRANS, N, NRHS, A, LDA, AF, LDAF, IPIV, EQUED, R, C, B, LDB, X, LDX, RCOND, RPVGRW, BERR, N_ERR_BNDS, ERR_BNDS_NORM, ERR_BNDS_COMP, NPARAMS, PARAMS, WORK, IWORK, INFO) DGESVXX computes the solution to system of linear equations A * X = B for GE matrices Function/Subroutine Documentationsubroutine dgesvxx (characterFACT, characterTRANS, integerN, integerNRHS,…
dgesvx.f – SynopsisFunctions/Subroutinessubroutine dgesvx (FACT, TRANS, N, NRHS, A, LDA, AF, LDAF, IPIV, EQUED, R, C, B, LDB, X, LDX, RCOND, FERR, BERR, WORK, IWORK, INFO) DGESVX computes the solution to system of linear equations A * X = B for GE matrices Function/Subroutine Documentationsubroutine dgesvx (characterFACT, characterTRANS, integerN, integerNRHS, double precision, dimension( lda, *…
dgesvj.f – SynopsisFunctions/Subroutinessubroutine dgesvj (JOBA, JOBU, JOBV, M, N, A, LDA, SVA, MV, V, LDV, WORK, LWORK, INFO) DGESVJ Function/Subroutine Documentationsubroutine dgesvj (character*1JOBA, character*1JOBU, character*1JOBV, integerM, integerN, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( n )SVA, integerMV, double precision, dimension( ldv, * )V, integerLDV, double precision, dimension( lwork )WORK, integerLWORK, integerINFO)DGESVJ Purpose:…
dgesvd.f – SynopsisFunctions/Subroutinessubroutine dgesvd (JOBU, JOBVT, M, N, A, LDA, S, U, LDU, VT, LDVT, WORK, LWORK, INFO) DGESVD computes the singular value decomposition (SVD) for GE matrices Function/Subroutine Documentationsubroutine dgesvd (characterJOBU, characterJOBVT, integerM, integerN, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( * )S, double precision, dimension( ldu, * )U, integerLDU, double…
dgesv.f – SynopsisFunctions/Subroutinessubroutine dgesv (N, NRHS, A, LDA, IPIV, B, LDB, INFO) DGESV computes the solution to system of linear equations A * X = B for GE matrices Function/Subroutine Documentationsubroutine dgesv (integerN, integerNRHS, double precision, dimension( lda, * )A, integerLDA, integer, dimension( * )IPIV, double precision, dimension( ldb, * )B, integerLDB, integerINFO) DGESV computes…
dgesdd.f – SynopsisFunctions/Subroutinessubroutine dgesdd (JOBZ, M, N, A, LDA, S, U, LDU, VT, LDVT, WORK, LWORK, IWORK, INFO) DGESDD Function/Subroutine Documentationsubroutine dgesdd (characterJOBZ, integerM, integerN, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( * )S, double precision, dimension( ldu, * )U, integerLDU, double precision, dimension( ldvt, * )VT, integerLDVT, double precision, dimension( *…
dgesc2.f – SynopsisFunctions/Subroutinessubroutine dgesc2 (N, A, LDA, RHS, IPIV, JPIV, SCALE) DGESC2 solves a system of linear equations using the LU factorization with complete pivoting computed by sgetc2. Function/Subroutine Documentationsubroutine dgesc2 (integerN, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( * )RHS, integer, dimension( * )IPIV, integer, dimension( * )JPIV, double precisionSCALE)DGESC2 solves…
dgerqf.f – SynopsisFunctions/Subroutinessubroutine dgerqf (M, N, A, LDA, TAU, WORK, LWORK, INFO) DGERQF Function/Subroutine Documentationsubroutine dgerqf (integerM, integerN, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( * )TAU, double precision, dimension( * )WORK, integerLWORK, integerINFO)DGERQF Purpose: DGERQF computes an RQ factorization of a real M-by-N matrix A: A = R * Q. Parameters:…
dgerq2.f – SynopsisFunctions/Subroutinessubroutine dgerq2 (M, N, A, LDA, TAU, WORK, INFO) DGERQ2 computes the RQ factorization of a general rectangular matrix using an unblocked algorithm. Function/Subroutine Documentationsubroutine dgerq2 (integerM, integerN, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( * )TAU, double precision, dimension( * )WORK, integerINFO)DGERQ2 computes the RQ factorization of a general…
dgerfsx.f – SynopsisFunctions/Subroutinessubroutine dgerfsx (TRANS, EQUED, N, NRHS, A, LDA, AF, LDAF, IPIV, R, C, B, LDB, X, LDX, RCOND, BERR, N_ERR_BNDS, ERR_BNDS_NORM, ERR_BNDS_COMP, NPARAMS, PARAMS, WORK, IWORK, INFO) DGERFSX Function/Subroutine Documentationsubroutine dgerfsx (characterTRANS, characterEQUED, integerN, integerNRHS, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( ldaf, * )AF, integerLDAF, integer, dimension( * )IPIV,…