Section 3: library functions
dgtsvx.f – Synopsis Functions/Subroutines subroutine dgtsvx (FACT, TRANS, N, NRHS, DL, D, DU, DLF, DF, DUF, DU2, IPIV, B, LDB, X, LDX, RCOND, FERR, BERR, WORK, IWORK, INFO) DGTSVX computes the solution to system of linear equations A * X = B for GT matrices Function/Subroutine Documentation subroutine dgtsvx (characterFACT, characterTRANS, integerN, integerNRHS, double precision,…
dgtsv.f – Synopsis Functions/Subroutines subroutine dgtsv (N, NRHS, DL, D, DU, B, LDB, INFO) DGTSV computes the solution to system of linear equations A * X = B for GT matrices Function/Subroutine Documentation subroutine dgtsv (integerN, integerNRHS, double precision, dimension( * )DL, double precision, dimension( * )D, double precision, dimension( * )DU, double precision, dimension(…
dgtrfs.f – Synopsis Functions/Subroutines subroutine dgtrfs (TRANS, N, NRHS, DL, D, DU, DLF, DF, DUF, DU2, IPIV, B, LDB, X, LDX, FERR, BERR, WORK, IWORK, INFO) DGTRFS Function/Subroutine Documentation subroutine dgtrfs (characterTRANS, integerN, integerNRHS, double precision, dimension( * )DL, double precision, dimension( * )D, double precision, dimension( * )DU, double precision, dimension( * )DLF, double…
dgtcon.f – Synopsis Functions/Subroutines subroutine dgtcon (NORM, N, DL, D, DU, DU2, IPIV, ANORM, RCOND, WORK, IWORK, INFO) DGTCON Function/Subroutine Documentation subroutine dgtcon (characterNORM, integerN, double precision, dimension( * )DL, double precision, dimension( * )D, double precision, dimension( * )DU, double precision, dimension( * )DU2, integer, dimension( * )IPIV, double precisionANORM, double precisionRCOND, double precision,…
dgsvj1.f – Synopsis Functions/Subroutines subroutine dgsvj1 (JOBV, M, N, N1, A, LDA, D, SVA, MV, V, LDV, EPS, SFMIN, TOL, NSWEEP, WORK, LWORK, INFO) DGSVJ1 pre-processor for the routine sgesvj, applies Jacobi rotations targeting only particular pivots. Function/Subroutine Documentation subroutine dgsvj1 (character*1JOBV, integerM, integerN, integerN1, double precision, dimension( lda, * )A, integerLDA, double precision, dimension(…
dgsvj0.f – Synopsis Functions/Subroutines subroutine dgsvj0 (JOBV, M, N, A, LDA, D, SVA, MV, V, LDV, EPS, SFMIN, TOL, NSWEEP, WORK, LWORK, INFO) DGSVJ0 pre-processor for the routine sgesvj. Function/Subroutine Documentation subroutine dgsvj0 (character*1JOBV, integerM, integerN, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( n )D, double precision, dimension( n )SVA, integerMV, double…
dggsvp.f – Synopsis Functions/Subroutines subroutine dggsvp (JOBU, JOBV, JOBQ, M, P, N, A, LDA, B, LDB, TOLA, TOLB, K, L, U, LDU, V, LDV, Q, LDQ, IWORK, TAU, WORK, INFO) DGGSVP Function/Subroutine Documentation subroutine dggsvp (characterJOBU, characterJOBV, characterJOBQ, integerM, integerP, integerN, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( ldb, * )B, integerLDB,…
dggsvd.f – Synopsis Functions/Subroutines subroutine dggsvd (JOBU, JOBV, JOBQ, M, N, P, K, L, A, LDA, B, LDB, ALPHA, BETA, U, LDU, V, LDV, Q, LDQ, WORK, IWORK, INFO) DGGSVD computes the singular value decomposition (SVD) for OTHER matrices Function/Subroutine Documentation subroutine dggsvd (characterJOBU, characterJOBV, characterJOBQ, integerM, integerN, integerP, integerK, integerL, double precision, dimension( lda,…
dggrqf.f – Synopsis Functions/Subroutines subroutine dggrqf (M, P, N, A, LDA, TAUA, B, LDB, TAUB, WORK, LWORK, INFO) DGGRQF Function/Subroutine Documentation subroutine dggrqf (integerM, integerP, integerN, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( * )TAUA, double precision, dimension( ldb, * )B, integerLDB, double precision, dimension( * )TAUB, double precision, dimension( * )WORK,…
dggqrf.f – Synopsis Functions/Subroutines subroutine dggqrf (N, M, P, A, LDA, TAUA, B, LDB, TAUB, WORK, LWORK, INFO) DGGQRF Function/Subroutine Documentation subroutine dggqrf (integerN, integerM, integerP, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( * )TAUA, double precision, dimension( ldb, * )B, integerLDB, double precision, dimension( * )TAUB, double precision, dimension( * )WORK,…
dgglse.f – Synopsis Functions/Subroutines subroutine dgglse (M, N, P, A, LDA, B, LDB, C, D, X, WORK, LWORK, INFO) DGGLSE solves overdetermined or underdetermined systems for OTHER matrices Function/Subroutine Documentation subroutine dgglse (integerM, integerN, integerP, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( ldb, * )B, integerLDB, double precision, dimension( * )C, double…
dgghrd.f – Synopsis Functions/Subroutines subroutine dgghrd (COMPQ, COMPZ, N, ILO, IHI, A, LDA, B, LDB, Q, LDQ, Z, LDZ, INFO) DGGHRD Function/Subroutine Documentation subroutine dgghrd (characterCOMPQ, characterCOMPZ, integerN, integerILO, integerIHI, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( ldb, * )B, integerLDB, double precision, dimension( ldq, * )Q, integerLDQ, double precision, dimension( ldz,…
dggglm.f – Synopsis Functions/Subroutines subroutine dggglm (N, M, P, A, LDA, B, LDB, D, X, Y, WORK, LWORK, INFO) DGGEVX computes the eigenvalues and, optionally, the left and/or right eigenvectors for GE matrices Function/Subroutine Documentation subroutine dggglm (integerN, integerM, integerP, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( ldb, * )B, integerLDB, double…
dggevx.f – Synopsis Functions/Subroutines subroutine dggevx (BALANC, JOBVL, JOBVR, SENSE, N, A, LDA, B, LDB, ALPHAR, ALPHAI, BETA, VL, LDVL, VR, LDVR, ILO, IHI, LSCALE, RSCALE, ABNRM, BBNRM, RCONDE, RCONDV, WORK, LWORK, IWORK, BWORK, INFO) DGGEVX computes the eigenvalues and, optionally, the left and/or right eigenvectors for GE matrices Function/Subroutine Documentation subroutine dggevx (characterBALANC, characterJOBVL,…
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 *…