Section 3: library functions
cgtts2.f – SynopsisFunctions/Subroutinessubroutine cgtts2 (ITRANS, N, NRHS, DL, D, DU, DU2, IPIV, B, LDB) CGTTS2 solves a system of linear equations with a tridiagonal matrix using the LU factorization computed by sgttrf. Function/Subroutine Documentationsubroutine cgtts2 (integerITRANS, integerN, integerNRHS, complex, dimension( * )DL, complex, dimension( * )D, complex, dimension( * )DU, complex, dimension( * )DU2, integer,…
cgttrs.f – SynopsisFunctions/Subroutinessubroutine cgttrs (TRANS, N, NRHS, DL, D, DU, DU2, IPIV, B, LDB, INFO) CGTTRS Function/Subroutine Documentationsubroutine cgttrs (characterTRANS, integerN, integerNRHS, complex, dimension( * )DL, complex, dimension( * )D, complex, dimension( * )DU, complex, dimension( * )DU2, integer, dimension( * )IPIV, complex, dimension( ldb, * )B, integerLDB, integerINFO)CGTTRS Purpose: CGTTRS solves one of the…
cgttrf.f – SynopsisFunctions/Subroutinessubroutine cgttrf (N, DL, D, DU, DU2, IPIV, INFO) CGTTRF Function/Subroutine Documentationsubroutine cgttrf (integerN, complex, dimension( * )DL, complex, dimension( * )D, complex, dimension( * )DU, complex, dimension( * )DU2, integer, dimension( * )IPIV, integerINFO)CGTTRF Purpose: CGTTRF computes an LU factorization of a complex tridiagonal matrix A using elimination with partial pivoting and…
cgtsvx.f – SynopsisFunctions/Subroutinessubroutine cgtsvx (FACT, TRANS, N, NRHS, DL, D, DU, DLF, DF, DUF, DU2, IPIV, B, LDB, X, LDX, RCOND, FERR, BERR, WORK, RWORK, INFO) CGTSVX computes the solution to system of linear equations A * X = B for GT matrices Function/Subroutine Documentationsubroutine cgtsvx (characterFACT, characterTRANS, integerN, integerNRHS, complex, dimension( * )DL, complex,…
cgtsv.f – SynopsisFunctions/Subroutinessubroutine cgtsv (N, NRHS, DL, D, DU, B, LDB, INFO) CGTSV computes the solution to system of linear equations A * X = B for GT matrices Function/Subroutine Documentationsubroutine cgtsv (integerN, integerNRHS, complex, dimension( * )DL, complex, dimension( * )D, complex, dimension( * )DU, complex, dimension( ldb, * )B, integerLDB, integerINFO) CGTSV computes…
cgtrfs.f – SynopsisFunctions/Subroutinessubroutine cgtrfs (TRANS, N, NRHS, DL, D, DU, DLF, DF, DUF, DU2, IPIV, B, LDB, X, LDX, FERR, BERR, WORK, RWORK, INFO) CGTRFS Function/Subroutine Documentationsubroutine cgtrfs (characterTRANS, integerN, integerNRHS, complex, dimension( * )DL, complex, dimension( * )D, complex, dimension( * )DU, complex, dimension( * )DLF, complex, dimension( * )DF, complex, dimension( * )DUF,…
cgtcon.f – SynopsisFunctions/Subroutinessubroutine cgtcon (NORM, N, DL, D, DU, DU2, IPIV, ANORM, RCOND, WORK, INFO) CGTCON Function/Subroutine Documentationsubroutine cgtcon (characterNORM, integerN, complex, dimension( * )DL, complex, dimension( * )D, complex, dimension( * )DU, complex, dimension( * )DU2, integer, dimension( * )IPIV, realANORM, realRCOND, complex, dimension( * )WORK, integerINFO)CGTCON Purpose: CGTCON estimates the reciprocal of the…
cggsvp.f – SynopsisFunctions/Subroutinessubroutine cggsvp (JOBU, JOBV, JOBQ, M, P, N, A, LDA, B, LDB, TOLA, TOLB, K, L, U, LDU, V, LDV, Q, LDQ, IWORK, RWORK, TAU, WORK, INFO) CGGSVP Function/Subroutine Documentationsubroutine cggsvp (characterJOBU, characterJOBV, characterJOBQ, integerM, integerP, integerN, complex, dimension( lda, * )A, integerLDA, complex, dimension( ldb, * )B, integerLDB, realTOLA, realTOLB, integerK, integerL,…
cggsvd.f – SynopsisFunctions/Subroutinessubroutine cggsvd (JOBU, JOBV, JOBQ, M, N, P, K, L, A, LDA, B, LDB, ALPHA, BETA, U, LDU, V, LDV, Q, LDQ, WORK, RWORK, IWORK, INFO) CGGSVD computes the singular value decomposition (SVD) for OTHER matrices Function/Subroutine Documentationsubroutine cggsvd (characterJOBU, characterJOBV, characterJOBQ, integerM, integerN, integerP, integerK, integerL, complex, dimension( lda, * )A, integerLDA,…
cggrqf.f – SynopsisFunctions/Subroutinessubroutine cggrqf (M, P, N, A, LDA, TAUA, B, LDB, TAUB, WORK, LWORK, INFO) CGGRQF Function/Subroutine Documentationsubroutine cggrqf (integerM, integerP, integerN, complex, dimension( lda, * )A, integerLDA, complex, dimension( * )TAUA, complex, dimension( ldb, * )B, integerLDB, complex, dimension( * )TAUB, complex, dimension( * )WORK, integerLWORK, integerINFO)CGGRQF Purpose: CGGRQF computes a generalized RQ…
cggqrf.f – SynopsisFunctions/Subroutinessubroutine cggqrf (N, M, P, A, LDA, TAUA, B, LDB, TAUB, WORK, LWORK, INFO) CGGQRF Function/Subroutine Documentationsubroutine cggqrf (integerN, integerM, integerP, complex, dimension( lda, * )A, integerLDA, complex, dimension( * )TAUA, complex, dimension( ldb, * )B, integerLDB, complex, dimension( * )TAUB, complex, dimension( * )WORK, integerLWORK, integerINFO)CGGQRF Purpose: CGGQRF computes a generalized QR…
cgglse.f – SynopsisFunctions/Subroutinessubroutine cgglse (M, N, P, A, LDA, B, LDB, C, D, X, WORK, LWORK, INFO) CGGLSE solves overdetermined or underdetermined systems for OTHER matrices Function/Subroutine Documentationsubroutine cgglse (integerM, integerN, integerP, complex, dimension( lda, * )A, integerLDA, complex, dimension( ldb, * )B, integerLDB, complex, dimension( * )C, complex, dimension( * )D, complex, dimension( *…
cgghrd.f – SynopsisFunctions/Subroutinessubroutine cgghrd (COMPQ, COMPZ, N, ILO, IHI, A, LDA, B, LDB, Q, LDQ, Z, LDZ, INFO) CGGHRD Function/Subroutine Documentationsubroutine cgghrd (characterCOMPQ, characterCOMPZ, integerN, integerILO, integerIHI, complex, dimension( lda, * )A, integerLDA, complex, dimension( ldb, * )B, integerLDB, complex, dimension( ldq, * )Q, integerLDQ, complex, dimension( ldz, * )Z, integerLDZ, integerINFO)CGGHRD Purpose: CGGHRD reduces…
cggglm.f – SynopsisFunctions/Subroutinessubroutine cggglm (N, M, P, A, LDA, B, LDB, D, X, Y, WORK, LWORK, INFO) CGGEVX computes the eigenvalues and, optionally, the left and/or right eigenvectors for GE matrices Function/Subroutine Documentationsubroutine cggglm (integerN, integerM, integerP, complex, dimension( lda, * )A, integerLDA, complex, dimension( ldb, * )B, integerLDB, complex, dimension( * )D, complex, dimension(…
cggevx.f – SynopsisFunctions/Subroutinessubroutine cggevx (BALANC, JOBVL, JOBVR, SENSE, N, A, LDA, B, LDB, ALPHA, BETA, VL, LDVL, VR, LDVR, ILO, IHI, LSCALE, RSCALE, ABNRM, BBNRM, RCONDE, RCONDV, WORK, LWORK, RWORK, IWORK, BWORK, INFO) CGGEVX computes the eigenvalues and, optionally, the left and/or right eigenvectors for GE matrices Function/Subroutine Documentationsubroutine cggevx (characterBALANC, characterJOBVL, characterJOBVR, characterSENSE, integerN,…
cggev.f – SynopsisFunctions/Subroutinessubroutine cggev (JOBVL, JOBVR, N, A, LDA, B, LDB, ALPHA, BETA, VL, LDVL, VR, LDVR, WORK, LWORK, RWORK, INFO) CGGEV computes the eigenvalues and, optionally, the left and/or right eigenvectors for GE matrices Function/Subroutine Documentationsubroutine cggev (characterJOBVL, characterJOBVR, integerN, complex, dimension( lda, * )A, integerLDA, complex, dimension( ldb, * )B, integerLDB, complex, dimension(…
cggesx.f – SynopsisFunctions/Subroutinessubroutine cggesx (JOBVSL, JOBVSR, SORT, SELCTG, SENSE, N, A, LDA, B, LDB, SDIM, ALPHA, BETA, VSL, LDVSL, VSR, LDVSR, RCONDE, RCONDV, WORK, LWORK, RWORK, IWORK, LIWORK, BWORK, INFO) CGGESX computes the eigenvalues, the Schur form, and, optionally, the matrix of Schur vectors for GE matrices Function/Subroutine Documentationsubroutine cggesx (characterJOBVSL, characterJOBVSR, characterSORT, logical, externalSELCTG,…
cgges.f – SynopsisFunctions/Subroutinessubroutine cgges (JOBVSL, JOBVSR, SORT, SELCTG, N, A, LDA, B, LDB, SDIM, ALPHA, BETA, VSL, LDVSL, VSR, LDVSR, WORK, LWORK, RWORK, BWORK, INFO) CGGES computes the eigenvalues, the Schur form, and, optionally, the matrix of Schur vectors for GE matrices Function/Subroutine Documentationsubroutine cgges (characterJOBVSL, characterJOBVSR, characterSORT, logical, externalSELCTG, integerN, complex, dimension( lda, *…
cggbal.f – SynopsisFunctions/Subroutinessubroutine cggbal (JOB, N, A, LDA, B, LDB, ILO, IHI, LSCALE, RSCALE, WORK, INFO) CGGBAL Function/Subroutine Documentationsubroutine cggbal (characterJOB, integerN, complex, dimension( lda, * )A, integerLDA, complex, dimension( ldb, * )B, integerLDB, integerILO, integerIHI, real, dimension( * )LSCALE, real, dimension( * )RSCALE, real, dimension( * )WORK, integerINFO)CGGBAL Purpose: CGGBAL balances a pair of…
cggbak.f – SynopsisFunctions/Subroutinessubroutine cggbak (JOB, SIDE, N, ILO, IHI, LSCALE, RSCALE, M, V, LDV, INFO) CGGBAK Function/Subroutine Documentationsubroutine cggbak (characterJOB, characterSIDE, integerN, integerILO, integerIHI, real, dimension( * )LSCALE, real, dimension( * )RSCALE, integerM, complex, dimension( ldv, * )V, integerLDV, integerINFO)CGGBAK Purpose: CGGBAK forms the right or left eigenvectors of a complex generalized eigenvalue problem A*x…