Section 3: library functions
dposv.f – SynopsisFunctions/Subroutinessubroutine 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 Documentationsubroutine dposv (characterUPLO, integerN, integerNRHS, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( ldb, * )B, integerLDB, integerINFO) DPOSV computes the solution to…
dporfsx.f – SynopsisFunctions/Subroutinessubroutine 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 Documentationsubroutine dporfsx (characterUPLO, characterEQUED, integerN, integerNRHS, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( ldaf, * )AF, integerLDAF, double precision, dimension( * )S, double…
dporfs.f – SynopsisFunctions/Subroutinessubroutine dporfs (UPLO, N, NRHS, A, LDA, AF, LDAF, B, LDB, X, LDX, FERR, BERR, WORK, IWORK, INFO) DPORFS Function/Subroutine Documentationsubroutine 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( ldx, * )X, integerLDX,…
dpoequb.f – SynopsisFunctions/Subroutinessubroutine dpoequb (N, A, LDA, S, SCOND, AMAX, INFO) DPOEQUB Function/Subroutine Documentationsubroutine 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 reduce its condition number (with…
dpoequ.f – SynopsisFunctions/Subroutinessubroutine dpoequ (N, A, LDA, S, SCOND, AMAX, INFO) DPOEQU Function/Subroutine Documentationsubroutine 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 reduce its condition number (with…
dpocon.f – SynopsisFunctions/Subroutinessubroutine dpocon (UPLO, N, A, LDA, ANORM, RCOND, WORK, IWORK, INFO) DPOCON Function/Subroutine Documentationsubroutine 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 the 1-norm) of a real…
DPMSSetTimeouts – permits applications to set the timeout values used by the X server for DPMS timings Synopsiscc [ flag … ] file … –lXext [ library … ] #include <X11/extensions/dpms.h> Status DPMSSetTimeouts ( Display *display, CARD16 standby, CARD16 suspend, CARD16 off ); Argumentsdisplay Specifies the connection to the X server standby Specifies the new…
DPMSQueryExtension – queries the X server to determine the availability of the DPMS Extension Synopsiscc [ flag … ] file … –lXext [ library … ] #include <X11/extensions/dpms.h> Bool DPMSQueryExtension ( Display *display, int *event_base, int *error_base ); Argumentsdisplay Specifies the connection to the X server event_base Specifies the return location for the assigned base…
DPMSInfo – returns information about the current DPMS state Synopsiscc [ flag … ] file … –lXext [ library … ] #include <X11/extensions/dpms.h> Status DPMSInfo ( Display *display, CARD16 *power_level, BOOL *state ); Argumentsdisplay Specifies the connection to the X server power_level Specifies the current power level state Specifies the current DPMS stateDescriptionThe DPMSInfo function…
DPMSGetVersion – returns the version of the DPMS extension implemented by the X server Synopsiscc [ flag … ] file … –lXext [ library … ] #include <X11/extensions/dpms.h> Status DPMSGetVersion ( Display *display, int *major_version, int *minor_version ); Argumentsdisplay Specifies the connection to the X server major_version Specifies the return location for the extension major…
DPMSGetTimeouts – retrieves the timeout values used by the X server for DPMS timings Synopsiscc [ flag … ] file … –lXext [ library … ] #include <X11/extensions/dpms.h> Bool DPMSGetTimeouts ( Display *display, CARD16 *standby, CARD16 *suspend, CARD16 *off ); Argumentsdisplay Specifies the connection to the X server standby Specifies the current standby timeout in…
DPMSForceLevel – forces a DPMS capable display into the specified power level Synopsiscc [ flag … ] file … –lXext [ library … ] #include <X11/extensions/dpms.h> Status DPMSForceLevel ( Display *display, CARD16 level ); Argumentsdisplay Specifies the connection to the X server level Specifies the level to force power toDescriptionThe DPMSForceLevel function forces a DPMS…
DPMSEnable – enables DPMS on the specified display Synopsiscc [ flag … ] file … –lXext [ library … ] #include <X11/extensions/dpms.h> Status DPMSEnable ( Display *display ); Argumentsdisplay Specifies the connection to the X serverDescriptionThe DPMSEnable function enables Display Power Management Signaling (DPMS) on the specified display. When DPMS is enabled, DPMS will use…
DPMSDisable – disables DPMS on the specified display Synopsiscc [ flag … ] file … –lXext [ library … ] #include <X11/extensions/dpms.h> Status DPMSDisable ( Display *display ); Argumentsdisplay Specifies the connection to the X serverDescriptionThe DPMSDisable function disables Display Power Management Signaling (DPMS) on the specified display. When disabled, DPMS sets the display to…
DPMSCapable – returns the DPMS capability of the X server Synopsiscc [ flag … ] file … –lXext [ library … ] #include <X11/extensions/dpms.h> Bool DPMSCapable ( Display *display ); Argumentsdisplay Specifies the connection to the X serverDescriptionThe DPMSCapable function returns the Display Power Management Signaling (DPMS) capability of the X server, either TRUE (capable…
dpftrs.f – SynopsisFunctions/Subroutinessubroutine dpftrs (TRANSR, UPLO, N, NRHS, A, B, LDB, INFO) DPFTRS Function/Subroutine Documentationsubroutine 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 matrix A using the Cholesky…
dpftri.f – SynopsisFunctions/Subroutinessubroutine dpftri (TRANSR, UPLO, N, A, INFO) DPFTRI Function/Subroutine Documentationsubroutine dpftri (characterTRANSR, characterUPLO, integerN, double precision, dimension( 0: * )A, integerINFO)DPFTRI Purpose: DPFTRI computes the inverse of a (real) symmetric positive definite matrix A using the Cholesky factorization A = U**T*U or A = L*L**T computed by DPFTRF. Parameters: TRANSR TRANSR is CHARACTER*1…
dpftrf.f – SynopsisFunctions/Subroutinessubroutine dpftrf (TRANSR, UPLO, N, A, INFO) DPFTRF Function/Subroutine Documentationsubroutine dpftrf (characterTRANSR, characterUPLO, integerN, double precision, dimension( 0: * )A, integerINFO)DPFTRF Purpose: DPFTRF computes the Cholesky factorization of a real symmetric positive definite matrix A. The factorization has the form A = U**T * U, if UPLO = ‘U’, or A = L…
dpbtrs.f – SynopsisFunctions/Subroutinessubroutine dpbtrs (UPLO, N, KD, NRHS, AB, LDAB, B, LDB, INFO) DPBTRS Function/Subroutine Documentationsubroutine dpbtrs (characterUPLO, integerN, integerKD, integerNRHS, double precision, dimension( ldab, * )AB, integerLDAB, double precision, dimension( ldb, * )B, integerLDB, integerINFO)DPBTRS Purpose: DPBTRS solves a system of linear equations A*X = B with a symmetric positive definite band matrix A…
dpbtrf.f – SynopsisFunctions/Subroutinessubroutine dpbtrf (UPLO, N, KD, AB, LDAB, INFO) DPBTRF Function/Subroutine Documentationsubroutine dpbtrf (characterUPLO, integerN, integerKD, double precision, dimension( ldab, * )AB, integerLDAB, integerINFO)DPBTRF Purpose: DPBTRF computes the Cholesky factorization of a real symmetric positive definite band matrix A. The factorization has the form A = U**T * U, if UPLO = ‘U’, or…