Section 3: library functions
dtfttr.f – SynopsisFunctions/Subroutinessubroutine dtfttr (TRANSR, UPLO, N, ARF, A, LDA, INFO) DTFTTR copies a triangular matrix from the rectangular full packed format (TF) to the standard full format (TR). Function/Subroutine Documentationsubroutine dtfttr (characterTRANSR, characterUPLO, integerN, double precision, dimension( 0: * )ARF, double precision, dimension( 0: lda-1, 0: * )A, integerLDA, integerINFO)DTFTTR copies a triangular matrix…
dtfttp.f – SynopsisFunctions/Subroutinessubroutine dtfttp (TRANSR, UPLO, N, ARF, AP, INFO) DTFTTP copies a triangular matrix from the rectangular full packed format (TF) to the standard packed format (TP). Function/Subroutine Documentationsubroutine dtfttp (characterTRANSR, characterUPLO, integerN, double precision, dimension( 0: * )ARF, double precision, dimension( 0: * )AP, integerINFO)DTFTTP copies a triangular matrix from the rectangular full…
dtftri.f – SynopsisFunctions/Subroutinessubroutine dtftri (TRANSR, UPLO, DIAG, N, A, INFO) DTFTRI Function/Subroutine Documentationsubroutine dtftri (characterTRANSR, characterUPLO, characterDIAG, integerN, double precision, dimension( 0: * )A, integerINFO)DTFTRI Purpose: DTFTRI computes the inverse of a triangular matrix A stored in RFP format. This is a Level 3 BLAS version of the algorithm. Parameters: TRANSR TRANSR is CHARACTER*1 =…
dtfsm.f – SynopsisFunctions/Subroutinessubroutine dtfsm (TRANSR, SIDE, UPLO, TRANS, DIAG, M, N, ALPHA, A, B, LDB) DTFSM solves a matrix equation (one operand is a triangular matrix in RFP format). Function/Subroutine Documentationsubroutine dtfsm (characterTRANSR, characterSIDE, characterUPLO, characterTRANS, characterDIAG, integerM, integerN, double precisionALPHA, double precision, dimension( 0: * )A, double precision, dimension( 0: ldb-1, 0: * )B,…
dtbtrs.f – SynopsisFunctions/Subroutinessubroutine dtbtrs (UPLO, TRANS, DIAG, N, KD, NRHS, AB, LDAB, B, LDB, INFO) DTBTRS Function/Subroutine Documentationsubroutine dtbtrs (characterUPLO, characterTRANS, characterDIAG, integerN, integerKD, integerNRHS, double precision, dimension( ldab, * )AB, integerLDAB, double precision, dimension( ldb, * )B, integerLDB, integerINFO)DTBTRS Purpose: DTBTRS solves a triangular system of the form A * X = B or…
dtbsv.f – SynopsisFunctions/Subroutinessubroutine dtbsv (UPLO, TRANS, DIAG, N, K, A, LDA, X, INCX) DTBSV Function/Subroutine Documentationsubroutine dtbsv (characterUPLO, characterTRANS, characterDIAG, integerN, integerK, double precision, dimension(lda,*)A, integerLDA, double precision, dimension(*)X, integerINCX)DTBSV Purpose: DTBSV solves one of the systems of equations A*x = b, or A**T*x = b, where b and x are n element vectors and…
dtbrfs.f – SynopsisFunctions/Subroutinessubroutine dtbrfs (UPLO, TRANS, DIAG, N, KD, NRHS, AB, LDAB, B, LDB, X, LDX, FERR, BERR, WORK, IWORK, INFO) DTBRFS Function/Subroutine Documentationsubroutine dtbrfs (characterUPLO, characterTRANS, characterDIAG, integerN, integerKD, integerNRHS, double precision, dimension( ldab, * )AB, integerLDAB, double precision, dimension( ldb, * )B, integerLDB, double precision, dimension( ldx, * )X, integerLDX, double precision, dimension(…
dtbmv.f – SynopsisFunctions/Subroutinessubroutine dtbmv (UPLO, TRANS, DIAG, N, K, A, LDA, X, INCX) DTBMV Function/Subroutine Documentationsubroutine dtbmv (characterUPLO, characterTRANS, characterDIAG, integerN, integerK, double precision, dimension(lda,*)A, integerLDA, double precision, dimension(*)X, integerINCX)DTBMV Purpose: DTBMV performs one of the matrix-vector operations x := A*x, or x := A**T*x, where x is an n element vector and A is…
dtbcon.f – SynopsisFunctions/Subroutinessubroutine dtbcon (NORM, UPLO, DIAG, N, KD, AB, LDAB, RCOND, WORK, IWORK, INFO) DTBCON Function/Subroutine Documentationsubroutine dtbcon (characterNORM, characterUPLO, characterDIAG, integerN, integerKD, double precision, dimension( ldab, * )AB, integerLDAB, double precisionRCOND, double precision, dimension( * )WORK, integer, dimension( * )IWORK, integerINFO)DTBCON Purpose: DTBCON estimates the reciprocal of the condition number of a triangular…
dsytrs2.f – SynopsisFunctions/Subroutinessubroutine dsytrs2 (UPLO, N, NRHS, A, LDA, IPIV, B, LDB, WORK, INFO) DSYTRS2 Function/Subroutine Documentationsubroutine dsytrs2 (characterUPLO, integerN, integerNRHS, double precision, dimension( lda, * )A, integerLDA, integer, dimension( * )IPIV, double precision, dimension( ldb, * )B, integerLDB, double precision, dimension( * )WORK, integerINFO)DSYTRS2 Purpose: DSYTRS2 solves a system of linear equations A*X =…
dsytrs.f – SynopsisFunctions/Subroutinessubroutine dsytrs (UPLO, N, NRHS, A, LDA, IPIV, B, LDB, INFO) DSYTRS Function/Subroutine Documentationsubroutine dsytrs (characterUPLO, integerN, integerNRHS, double precision, dimension( lda, * )A, integerLDA, integer, dimension( * )IPIV, double precision, dimension( ldb, * )B, integerLDB, integerINFO)DSYTRS Purpose: DSYTRS solves a system of linear equations A*X = B with a real symmetric matrix…
dsytri2x.f – SynopsisFunctions/Subroutinessubroutine dsytri2x (UPLO, N, A, LDA, IPIV, WORK, NB, INFO) DSYTRI2X Function/Subroutine Documentationsubroutine dsytri2x (characterUPLO, integerN, double precision, dimension( lda, * )A, integerLDA, integer, dimension( * )IPIV, double precision, dimension( n+nb+1,* )WORK, integerNB, integerINFO)DSYTRI2X Purpose: DSYTRI2X computes the inverse of a real symmetric indefinite matrix A using the factorization A = U*D*U**T or…
dsytri2.f – SynopsisFunctions/Subroutinessubroutine dsytri2 (UPLO, N, A, LDA, IPIV, WORK, LWORK, INFO) DSYTRI2 Function/Subroutine Documentationsubroutine dsytri2 (characterUPLO, integerN, double precision, dimension( lda, * )A, integerLDA, integer, dimension( * )IPIV, double precision, dimension( * )WORK, integerLWORK, integerINFO)DSYTRI2 Purpose: DSYTRI2 computes the inverse of a DOUBLE PRECISION symmetric indefinite matrix A using the factorization A = U*D*U**T…
dsytri.f – SynopsisFunctions/Subroutinessubroutine dsytri (UPLO, N, A, LDA, IPIV, WORK, INFO) DSYTRI Function/Subroutine Documentationsubroutine dsytri (characterUPLO, integerN, double precision, dimension( lda, * )A, integerLDA, integer, dimension( * )IPIV, double precision, dimension( * )WORK, integerINFO)DSYTRI Purpose: DSYTRI computes the inverse of a real symmetric indefinite matrix A using the factorization A = U*D*U**T or A =…
dsytrf.f – SynopsisFunctions/Subroutinessubroutine dsytrf (UPLO, N, A, LDA, IPIV, WORK, LWORK, INFO) DSYTRF Function/Subroutine Documentationsubroutine dsytrf (characterUPLO, integerN, double precision, dimension( lda, * )A, integerLDA, integer, dimension( * )IPIV, double precision, dimension( * )WORK, integerLWORK, integerINFO)DSYTRF Purpose: DSYTRF computes the factorization of a real symmetric matrix A using the Bunch-Kaufman diagonal pivoting method. The form…
dsytrd.f – SynopsisFunctions/Subroutinessubroutine dsytrd (UPLO, N, A, LDA, D, E, TAU, WORK, LWORK, INFO) DSYTRD Function/Subroutine Documentationsubroutine dsytrd (characterUPLO, integerN, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( * )D, double precision, dimension( * )E, double precision, dimension( * )TAU, double precision, dimension( * )WORK, integerLWORK, integerINFO)DSYTRD Purpose: DSYTRD reduces a real symmetric…
dsytf2.f – SynopsisFunctions/Subroutinessubroutine dsytf2 (UPLO, N, A, LDA, IPIV, INFO) DSYTF2 computes the factorization of a real symmetric indefinite matrix, using the diagonal pivoting method (unblocked algorithm). Function/Subroutine Documentationsubroutine dsytf2 (characterUPLO, integerN, double precision, dimension( lda, * )A, integerLDA, integer, dimension( * )IPIV, integerINFO)DSYTF2 computes the factorization of a real symmetric indefinite matrix, using the…
dsytd2.f – SynopsisFunctions/Subroutinessubroutine dsytd2 (UPLO, N, A, LDA, D, E, TAU, INFO) DSYTD2 reduces a symmetric matrix to real symmetric tridiagonal form by an orthogonal similarity transformation (unblocked algorithm). Function/Subroutine Documentationsubroutine dsytd2 (characterUPLO, integerN, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( * )D, double precision, dimension( * )E, double precision, dimension( *…
dsyswapr.f – SynopsisFunctions/Subroutinessubroutine dsyswapr (UPLO, N, A, LDA, I1, I2) DSYSWAPR applies an elementary permutation on the rows and columns of a symmetric matrix. Function/Subroutine Documentationsubroutine dsyswapr (characterUPLO, integerN, double precision, dimension( lda, n )A, integerLDA, integerI1, integerI2)DSYSWAPR applies an elementary permutation on the rows and columns of a symmetric matrix. Purpose: DSYSWAPR applies an…
dsysvxx.f – SynopsisFunctions/Subroutinessubroutine dsysvxx (FACT, UPLO, N, NRHS, A, LDA, AF, LDAF, IPIV, EQUED, S, B, LDB, X, LDX, RCOND, RPVGRW, BERR, N_ERR_BNDS, ERR_BNDS_NORM, ERR_BNDS_COMP, NPARAMS, PARAMS, WORK, IWORK, INFO) DSYSVXX Function/Subroutine Documentationsubroutine dsysvxx (characterFACT, characterUPLO, integerN, integerNRHS, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( ldaf, * )AF, integerLDAF, integer, dimension( *…