Section 3: library functions
dpprfs.f – SynopsisFunctions/Subroutinessubroutine dpprfs (UPLO, N, NRHS, AP, AFP, B, LDB, X, LDX, FERR, BERR, WORK, IWORK, INFO) DPPRFS Function/Subroutine Documentationsubroutine dpprfs (characterUPLO, integerN, integerNRHS, double precision, dimension( * )AP, double precision, dimension( * )AFP, double precision, dimension( ldb, * )B, integerLDB, double precision, dimension( ldx, * )X, integerLDX, double precision, dimension( * )FERR, double…
dppequ.f – SynopsisFunctions/Subroutinessubroutine dppequ (UPLO, N, AP, S, SCOND, AMAX, INFO) DPPEQU Function/Subroutine Documentationsubroutine dppequ (characterUPLO, integerN, double precision, dimension( * )AP, double precision, dimension( * )S, double precisionSCOND, double precisionAMAX, integerINFO)DPPEQU Purpose: DPPEQU computes row and column scalings intended to equilibrate a symmetric positive definite matrix A in packed storage and reduce its condition…
dppcon.f – SynopsisFunctions/Subroutinessubroutine dppcon (UPLO, N, AP, ANORM, RCOND, WORK, IWORK, INFO) DPPCON Function/Subroutine Documentationsubroutine dppcon (characterUPLO, integerN, double precision, dimension( * )AP, double precisionANORM, double precisionRCOND, double precision, dimension( * )WORK, integer, dimension( * )IWORK, integerINFO)DPPCON Purpose: DPPCON estimates the reciprocal of the condition number (in the 1-norm) of a real symmetric positive definite…
dpotrs.f – SynopsisFunctions/Subroutinessubroutine dpotrs (UPLO, N, NRHS, A, LDA, B, LDB, INFO) DPOTRS Function/Subroutine Documentationsubroutine dpotrs (characterUPLO, integerN, integerNRHS, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( ldb, * )B, integerLDB, integerINFO)DPOTRS Purpose: DPOTRS solves a system of linear equations A*X = B with a symmetric positive definite matrix A using the Cholesky…
dpotri.f – SynopsisFunctions/Subroutinessubroutine dpotri (UPLO, N, A, LDA, INFO) DPOTRI Function/Subroutine Documentationsubroutine dpotri (characterUPLO, integerN, double precision, dimension( lda, * )A, integerLDA, integerINFO)DPOTRI Purpose: DPOTRI 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 DPOTRF. Parameters: UPLO UPLO is CHARACTER*1…
dpotrf.f – SynopsisFunctions/Subroutinessubroutine dpotrf (UPLO, N, A, LDA, INFO) DPOTRF Function/Subroutine Documentationsubroutine 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 = ‘U’, or A = L…
dpotf2.f – SynopsisFunctions/Subroutinessubroutine dpotf2 (UPLO, N, A, LDA, INFO) DPOTF2 computes the Cholesky factorization of a symmetric/Hermitian positive definite matrix (unblocked algorithm). Function/Subroutine Documentationsubroutine 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 the Cholesky factorization of a…
dposvxx.f – SynopsisFunctions/Subroutinessubroutine 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 Documentationsubroutine dposvxx (characterFACT, characterUPLO, integerN, integerNRHS, double precision,…
dposvx.f – SynopsisFunctions/Subroutinessubroutine 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 Documentationsubroutine dposvx (characterFACT, characterUPLO, integerN, integerNRHS, double precision, dimension( lda, * )A, integerLDA,…
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…