Section 3: library functions
NAME dpotrf.f – SYNOPSIS Functions/Subroutines subroutine dpotrf (UPLO, N, A, LDA, INFO) DPOTRF Function/Subroutine Documentation subroutine dpotrf (characterUPLO, integerN, double precision, dimension( lda, * )A, integerLDA, integerINFO) DPOTRF Purpose: DPOTRF computes the Cholesky factorization of a real symmetric positive definite matrix A. The factorization has the form A = U**T * U, if UPLO =…
NAME dpotf2.f – SYNOPSIS Functions/Subroutines subroutine dpotf2 (UPLO, N, A, LDA, INFO) DPOTF2 computes the Cholesky factorization of a symmetric/Hermitian positive definite matrix (unblocked algorithm). Function/Subroutine Documentation subroutine dpotf2 (characterUPLO, integerN, double precision, dimension( lda, * )A, integerLDA, integerINFO) DPOTF2 computes the Cholesky factorization of a symmetric/Hermitian positive definite matrix (unblocked algorithm). Purpose: DPOTF2 computes…
NAME dposvxx.f – SYNOPSIS Functions/Subroutines subroutine dposvxx (FACT, UPLO, N, NRHS, A, LDA, AF, LDAF, EQUED, S, B, LDB, X, LDX, RCOND, RPVGRW, BERR, N_ERR_BNDS, ERR_BNDS_NORM, ERR_BNDS_COMP, NPARAMS, PARAMS, WORK, IWORK, INFO) DPOSVXX computes the solution to system of linear equations A * X = B for PO matrices Function/Subroutine Documentation subroutine dposvxx (characterFACT, characterUPLO,…
NAME dposvx.f – SYNOPSIS Functions/Subroutines subroutine dposvx (FACT, UPLO, N, NRHS, A, LDA, AF, LDAF, EQUED, S, B, LDB, X, LDX, RCOND, FERR, BERR, WORK, IWORK, INFO) DPOSVX computes the solution to system of linear equations A * X = B for PO matrices Function/Subroutine Documentation subroutine dposvx (characterFACT, characterUPLO, integerN, integerNRHS, double precision, dimension(…
NAME dposv.f – SYNOPSIS Functions/Subroutines subroutine dposv (UPLO, N, NRHS, A, LDA, B, LDB, INFO) DPOSV computes the solution to system of linear equations A * X = B for PO matrices Function/Subroutine Documentation subroutine dposv (characterUPLO, integerN, integerNRHS, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( ldb, * )B, integerLDB, integerINFO) DPOSV…
NAME dporfsx.f – SYNOPSIS Functions/Subroutines subroutine dporfsx (UPLO, EQUED, N, NRHS, A, LDA, AF, LDAF, S, B, LDB, X, LDX, RCOND, BERR, N_ERR_BNDS, ERR_BNDS_NORM, ERR_BNDS_COMP, NPARAMS, PARAMS, WORK, IWORK, INFO) DPORFSX Function/Subroutine Documentation subroutine dporfsx (characterUPLO, characterEQUED, integerN, integerNRHS, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( ldaf, * )AF, integerLDAF, double precision,…
NAME dporfs.f – SYNOPSIS Functions/Subroutines subroutine dporfs (UPLO, N, NRHS, A, LDA, AF, LDAF, B, LDB, X, LDX, FERR, BERR, WORK, IWORK, INFO) DPORFS Function/Subroutine Documentation subroutine dporfs (characterUPLO, integerN, integerNRHS, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( ldaf, * )AF, integerLDAF, double precision, dimension( ldb, * )B, integerLDB, double precision, dimension(…
NAME dpoequb.f – SYNOPSIS Functions/Subroutines subroutine dpoequb (N, A, LDA, S, SCOND, AMAX, INFO) DPOEQUB Function/Subroutine Documentation subroutine dpoequb (integerN, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( * )S, double precisionSCOND, double precisionAMAX, integerINFO) DPOEQUB Purpose: DPOEQU computes row and column scalings intended to equilibrate a symmetric positive definite matrix A and…
NAME dpoequ.f – SYNOPSIS Functions/Subroutines subroutine dpoequ (N, A, LDA, S, SCOND, AMAX, INFO) DPOEQU Function/Subroutine Documentation subroutine dpoequ (integerN, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( * )S, double precisionSCOND, double precisionAMAX, integerINFO) DPOEQU Purpose: DPOEQU computes row and column scalings intended to equilibrate a symmetric positive definite matrix A and…
NAME dpocon.f – SYNOPSIS Functions/Subroutines subroutine dpocon (UPLO, N, A, LDA, ANORM, RCOND, WORK, IWORK, INFO) DPOCON Function/Subroutine Documentation subroutine dpocon (characterUPLO, integerN, double precision, dimension( lda, * )A, integerLDA, double precisionANORM, double precisionRCOND, double precision, dimension( * )WORK, integer, dimension( * )IWORK, integerINFO) DPOCON Purpose: DPOCON estimates the reciprocal of the condition number (in…
DPMSSetTimeouts – permits applications to set the timeout values used by the X server for DPMS timings Synopsis cc [ flag … ] file … -lXext [ library … ] #include <X11/extensions/dpms.h> Status DPMSSetTimeouts ( Display *display, CARD16 standby, CARD16 suspend, CARD16 off ); Arguments display Specifies the connection to the X server standby…
DPMSQueryExtension – queries the X server to determine the availability of the DPMS Extension Synopsis cc [ flag … ] file … -lXext [ library … ] #include <X11/extensions/dpms.h> Bool DPMSQueryExtension ( Display *display, int *event_base, int *error_base ); Arguments display Specifies the connection to the X server event_base Specifies the return location for…
DPMSInfo – returns information about the current DPMS state Synopsis cc [ flag … ] file … -lXext [ library … ] #include <X11/extensions/dpms.h> Status DPMSInfo ( Display *display, CARD16 *power_level, BOOL *state ); Arguments display Specifies the connection to the X server power_level Specifies the current power level state Specifies the current DPMS…
DPMSGetVersion – returns the version of the DPMS extension implemented by the X server Synopsis cc [ flag … ] file … -lXext [ library … ] #include <X11/extensions/dpms.h> Status DPMSGetVersion ( Display *display, int *major_version, int *minor_version ); Arguments display Specifies the connection to the X server major_version Specifies the return location for…
DPMSGetTimeouts – retrieves the timeout values used by the X server for DPMS timings Synopsis cc [ flag … ] file … -lXext [ library … ] #include <X11/extensions/dpms.h> Bool DPMSGetTimeouts ( Display *display, CARD16 *standby, CARD16 *suspend, CARD16 *off ); Arguments display Specifies the connection to the X server standby Specifies the current…
DPMSForceLevel – forces a DPMS capable display into the specified power level Synopsis cc [ flag … ] file … -lXext [ library … ] #include <X11/extensions/dpms.h> Status DPMSForceLevel ( Display *display, CARD16 level ); Arguments display Specifies the connection to the X server level Specifies the level to force power to Description The…
DPMSEnable – enables DPMS on the specified display Synopsis cc [ flag … ] file … -lXext [ library … ] #include <X11/extensions/dpms.h> Status DPMSEnable ( Display *display ); Arguments display Specifies the connection to the X server Description The DPMSEnable function enables Display Power Management Signaling (DPMS) on the specified display. When DPMS…
DPMSDisable – disables DPMS on the specified display Synopsis cc [ flag … ] file … -lXext [ library … ] #include <X11/extensions/dpms.h> Status DPMSDisable ( Display *display ); Arguments display Specifies the connection to the X server Description The DPMSDisable function disables Display Power Management Signaling (DPMS) on the specified display. When disabled,…
DPMSCapable – returns the DPMS capability of the X server Synopsis cc [ flag … ] file … -lXext [ library … ] #include <X11/extensions/dpms.h> Bool DPMSCapable ( Display *display ); Arguments display Specifies the connection to the X server Description The DPMSCapable function returns the Display Power Management Signaling (DPMS) capability of the…
NAME dpftrs.f – SYNOPSIS Functions/Subroutines subroutine dpftrs (TRANSR, UPLO, N, NRHS, A, B, LDB, INFO) DPFTRS Function/Subroutine Documentation subroutine dpftrs (characterTRANSR, characterUPLO, integerN, integerNRHS, double precision, dimension( 0: * )A, double precision, dimension( ldb, * )B, integerLDB, integerINFO) DPFTRS Purpose: DPFTRS solves a system of linear equations A*X = B with a symmetric positive definite…