Section 3: library functions
dtrtrs.f – SynopsisFunctions/Subroutinessubroutine dtrtrs (UPLO, TRANS, DIAG, N, NRHS, A, LDA, B, LDB, INFO) DTRTRS Function/Subroutine Documentationsubroutine dtrtrs (characterUPLO, characterTRANS, characterDIAG, integerN, integerNRHS, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( ldb, * )B, integerLDB, integerINFO)DTRTRS Purpose: DTRTRS solves a triangular system of the form A * X = B or A**T *…
dtrtri.f – SynopsisFunctions/Subroutinessubroutine dtrtri (UPLO, DIAG, N, A, LDA, INFO) DTRTRI Function/Subroutine Documentationsubroutine dtrtri (characterUPLO, characterDIAG, integerN, double precision, dimension( lda, * )A, integerLDA, integerINFO)DTRTRI Purpose: DTRTRI computes the inverse of a real upper or lower triangular matrix A. This is the Level 3 BLAS version of the algorithm. Parameters: UPLO UPLO is CHARACTER*1 =…
dtrti2.f – SynopsisFunctions/Subroutinessubroutine dtrti2 (UPLO, DIAG, N, A, LDA, INFO) DTRTI2 computes the inverse of a triangular matrix (unblocked algorithm). Function/Subroutine Documentationsubroutine dtrti2 (characterUPLO, characterDIAG, integerN, double precision, dimension( lda, * )A, integerLDA, integerINFO)DTRTI2 computes the inverse of a triangular matrix (unblocked algorithm). Purpose: DTRTI2 computes the inverse of a real upper or lower triangular…
dtrsyl.f – SynopsisFunctions/Subroutinessubroutine dtrsyl (TRANA, TRANB, ISGN, M, N, A, LDA, B, LDB, C, LDC, SCALE, INFO) DTRSYL Function/Subroutine Documentationsubroutine dtrsyl (characterTRANA, characterTRANB, integerISGN, integerM, integerN, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( ldb, * )B, integerLDB, double precision, dimension( ldc, * )C, integerLDC, double precisionSCALE, integerINFO)DTRSYL Purpose: DTRSYL solves the real…
dtrsv.f – SynopsisFunctions/Subroutinessubroutine dtrsv (UPLO, TRANS, DIAG, N, A, LDA, X, INCX) DTRSV Function/Subroutine Documentationsubroutine dtrsv (characterUPLO, characterTRANS, characterDIAG, integerN, double precision, dimension(lda,*)A, integerLDA, double precision, dimension(*)X, integerINCX)DTRSV Purpose: DTRSV solves one of the systems of equations A*x = b, or A**T*x = b, where b and x are n element vectors and A is…
dtrsna.f – SynopsisFunctions/Subroutinessubroutine dtrsna (JOB, HOWMNY, SELECT, N, T, LDT, VL, LDVL, VR, LDVR, S, SEP, MM, M, WORK, LDWORK, IWORK, INFO) DTRSNA Function/Subroutine Documentationsubroutine dtrsna (characterJOB, characterHOWMNY, logical, dimension( * )SELECT, integerN, double precision, dimension( ldt, * )T, integerLDT, double precision, dimension( ldvl, * )VL, integerLDVL, double precision, dimension( ldvr, * )VR, integerLDVR, double…
dtrsm.f – SynopsisFunctions/Subroutinessubroutine dtrsm (SIDE, UPLO, TRANSA, DIAG, M, N, ALPHA, A, LDA, B, LDB) DTRSM Function/Subroutine Documentationsubroutine dtrsm (characterSIDE, characterUPLO, characterTRANSA, characterDIAG, integerM, integerN, double precisionALPHA, double precision, dimension(lda,*)A, integerLDA, double precision, dimension(ldb,*)B, integerLDB)DTRSM Purpose: DTRSM solves one of the matrix equations op( A )*X = alpha*B, or X*op( A ) = alpha*B, where…
dtrsen.f – SynopsisFunctions/Subroutinessubroutine dtrsen (JOB, COMPQ, SELECT, N, T, LDT, Q, LDQ, WR, WI, M, S, SEP, WORK, LWORK, IWORK, LIWORK, INFO) DTRSEN Function/Subroutine Documentationsubroutine dtrsen (characterJOB, characterCOMPQ, logical, dimension( * )SELECT, integerN, double precision, dimension( ldt, * )T, integerLDT, double precision, dimension( ldq, * )Q, integerLDQ, double precision, dimension( * )WR, double precision, dimension(…
dtrrfs.f – SynopsisFunctions/Subroutinessubroutine dtrrfs (UPLO, TRANS, DIAG, N, NRHS, A, LDA, B, LDB, X, LDX, FERR, BERR, WORK, IWORK, INFO) DTRRFS Function/Subroutine Documentationsubroutine dtrrfs (characterUPLO, characterTRANS, characterDIAG, integerN, integerNRHS, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( ldb, * )B, integerLDB, double precision, dimension( ldx, * )X, integerLDX, double precision, dimension( * )FERR,…
dtrmv.f – SynopsisFunctions/Subroutinessubroutine dtrmv (UPLO, TRANS, DIAG, N, A, LDA, X, INCX) DTRMV Function/Subroutine Documentationsubroutine dtrmv (characterUPLO, characterTRANS, characterDIAG, integerN, double precision, dimension(lda,*)A, integerLDA, double precision, dimension(*)X, integerINCX)DTRMV Purpose: DTRMV 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 an n…
dtrmm.f – SynopsisFunctions/Subroutinessubroutine dtrmm (SIDE, UPLO, TRANSA, DIAG, M, N, ALPHA, A, LDA, B, LDB) DTRMM Function/Subroutine Documentationsubroutine dtrmm (characterSIDE, characterUPLO, characterTRANSA, characterDIAG, integerM, integerN, double precisionALPHA, double precision, dimension(lda,*)A, integerLDA, double precision, dimension(ldb,*)B, integerLDB)DTRMM Purpose: DTRMM performs one of the matrix-matrix operations B := alpha*op( A )*B, or B := alpha*B*op( A ), where…
dtrexc.f – SynopsisFunctions/Subroutinessubroutine dtrexc (COMPQ, N, T, LDT, Q, LDQ, IFST, ILST, WORK, INFO) DTREXC Function/Subroutine Documentationsubroutine dtrexc (characterCOMPQ, integerN, double precision, dimension( ldt, * )T, integerLDT, double precision, dimension( ldq, * )Q, integerLDQ, integerIFST, integerILST, double precision, dimension( * )WORK, integerINFO)DTREXC Purpose: DTREXC reorders the real Schur factorization of a real matrix A =…
dtrevc.f – SynopsisFunctions/Subroutinessubroutine dtrevc (SIDE, HOWMNY, SELECT, N, T, LDT, VL, LDVL, VR, LDVR, MM, M, WORK, INFO) DTREVC Function/Subroutine Documentationsubroutine dtrevc (characterSIDE, characterHOWMNY, logical, dimension( * )SELECT, integerN, double precision, dimension( ldt, * )T, integerLDT, double precision, dimension( ldvl, * )VL, integerLDVL, double precision, dimension( ldvr, * )VR, integerLDVR, integerMM, integerM, double precision, dimension(…
dtrcon.f – SynopsisFunctions/Subroutinessubroutine dtrcon (NORM, UPLO, DIAG, N, A, LDA, RCOND, WORK, IWORK, INFO) DTRCON Function/Subroutine Documentationsubroutine dtrcon (characterNORM, characterUPLO, characterDIAG, integerN, double precision, dimension( lda, * )A, integerLDA, double precisionRCOND, double precision, dimension( * )WORK, integer, dimension( * )IWORK, integerINFO)DTRCON Purpose: DTRCON estimates the reciprocal of the condition number of a triangular matrix A,…
dtpttr.f – SynopsisFunctions/Subroutinessubroutine dtpttr (UPLO, N, AP, A, LDA, INFO) DTPTTR copies a triangular matrix from the standard packed format (TP) to the standard full format (TR). Function/Subroutine Documentationsubroutine dtpttr (characterUPLO, integerN, double precision, dimension( * )AP, double precision, dimension( lda, * )A, integerLDA, integerINFO)DTPTTR copies a triangular matrix from the standard packed format (TP)…
dtpttf.f – SynopsisFunctions/Subroutinessubroutine dtpttf (TRANSR, UPLO, N, AP, ARF, INFO) DTPTTF copies a triangular matrix from the standard packed format (TP) to the rectangular full packed format (TF). Function/Subroutine Documentationsubroutine dtpttf (characterTRANSR, characterUPLO, integerN, double precision, dimension( 0: * )AP, double precision, dimension( 0: * )ARF, integerINFO)DTPTTF copies a triangular matrix from the standard packed…
dtptrs.f – SynopsisFunctions/Subroutinessubroutine dtptrs (UPLO, TRANS, DIAG, N, NRHS, AP, B, LDB, INFO) DTPTRS Function/Subroutine Documentationsubroutine dtptrs (characterUPLO, characterTRANS, characterDIAG, integerN, integerNRHS, double precision, dimension( * )AP, double precision, dimension( ldb, * )B, integerLDB, integerINFO)DTPTRS Purpose: DTPTRS solves a triangular system of the form A * X = B or A**T * X = B,…
dtptri.f – SynopsisFunctions/Subroutinessubroutine dtptri (UPLO, DIAG, N, AP, INFO) DTPTRI Function/Subroutine Documentationsubroutine dtptri (characterUPLO, characterDIAG, integerN, double precision, dimension( * )AP, integerINFO)DTPTRI Purpose: DTPTRI computes the inverse of a real upper or lower triangular matrix A stored in packed format. Parameters: UPLO UPLO is CHARACTER*1 = ‘U’: A is upper triangular; = ‘L’: A is…
dtpsv.f – SynopsisFunctions/Subroutinessubroutine dtpsv (UPLO, TRANS, DIAG, N, AP, X, INCX) DTPSV Function/Subroutine Documentationsubroutine dtpsv (characterUPLO, characterTRANS, characterDIAG, integerN, double precision, dimension(*)AP, double precision, dimension(*)X, integerINCX)DTPSV Purpose: DTPSV solves one of the systems of equations A*x = b, or A**T*x = b, where b and x are n element vectors and A is an n…
dtprfs.f – SynopsisFunctions/Subroutinessubroutine dtprfs (UPLO, TRANS, DIAG, N, NRHS, AP, B, LDB, X, LDX, FERR, BERR, WORK, IWORK, INFO) DTPRFS Function/Subroutine Documentationsubroutine dtprfs (characterUPLO, characterTRANS, characterDIAG, integerN, integerNRHS, double precision, dimension( * )AP, double precision, dimension( ldb, * )B, integerLDB, double precision, dimension( ldx, * )X, integerLDX, double precision, dimension( * )FERR, double precision, dimension(…