Section 3: library functions
cpotrs.f – Synopsis Functions/Subroutines subroutine cpotrs (UPLO, N, NRHS, A, LDA, B, LDB, INFO) CPOTRS Function/Subroutine Documentation subroutine cpotrs (characterUPLO, integerN, integerNRHS, complex, dimension( lda, * )A, integerLDA, complex, dimension( ldb, * )B, integerLDB, integerINFO) CPOTRS Purpose: CPOTRS solves a system of linear equations A*X = B with a Hermitian positive definite matrix A using…
cpotri.f – Synopsis Functions/Subroutines subroutine cpotri (UPLO, N, A, LDA, INFO) CPOTRI Function/Subroutine Documentation subroutine cpotri (characterUPLO, integerN, complex, dimension( lda, * )A, integerLDA, integerINFO) CPOTRI Purpose: CPOTRI computes the inverse of a complex Hermitian positive definite matrix A using the Cholesky factorization A = U**H*U or A = L*L**H computed by CPOTRF. Parameters:…
cpotrf.f – Synopsis Functions/Subroutines subroutine cpotrf (UPLO, N, A, LDA, INFO) CPOTRF Function/Subroutine Documentation subroutine cpotrf (characterUPLO, integerN, complex, dimension( lda, * )A, integerLDA, integerINFO) CPOTRF Purpose: CPOTRF computes the Cholesky factorization of a complex Hermitian positive definite matrix A. The factorization has the form A = U**H * U, if UPLO = ‘U’, or…
cpotf2.f – Synopsis Functions/Subroutines subroutine cpotf2 (UPLO, N, A, LDA, INFO) CPOTF2 computes the Cholesky factorization of a symmetric/Hermitian positive definite matrix (unblocked algorithm). Function/Subroutine Documentation subroutine cpotf2 (characterUPLO, integerN, complex, dimension( lda, * )A, integerLDA, integerINFO) CPOTF2 computes the Cholesky factorization of a symmetric/Hermitian positive definite matrix (unblocked algorithm). Purpose: CPOTF2 computes the Cholesky…
cposvxx.f – Synopsis Functions/Subroutines subroutine cposvxx (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, RWORK, INFO) CPOSVXX computes the solution to system of linear equations A * X = B for PO matrices Function/Subroutine Documentation subroutine cposvxx (characterFACT, characterUPLO, integerN,…
cposvx.f – Synopsis Functions/Subroutines subroutine cposvx (FACT, UPLO, N, NRHS, A, LDA, AF, LDAF, EQUED, S, B, LDB, X, LDX, RCOND, FERR, BERR, WORK, RWORK, INFO) CPOSVX computes the solution to system of linear equations A * X = B for PO matrices Function/Subroutine Documentation subroutine cposvx (characterFACT, characterUPLO, integerN, integerNRHS, complex, dimension( lda, *…
cposv.f – Synopsis Functions/Subroutines subroutine cposv (UPLO, N, NRHS, A, LDA, B, LDB, INFO) CPOSV computes the solution to system of linear equations A * X = B for PO matrices Function/Subroutine Documentation subroutine cposv (characterUPLO, integerN, integerNRHS, complex, dimension( lda, * )A, integerLDA, complex, dimension( ldb, * )B, integerLDB, integerINFO) CPOSV computes the solution…
cporfsx.f – Synopsis Functions/Subroutines subroutine cporfsx (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, RWORK, INFO) CPORFSX Function/Subroutine Documentation subroutine cporfsx (characterUPLO, characterEQUED, integerN, integerNRHS, complex, dimension( lda, * )A, integerLDA, complex, dimension( ldaf, * )AF, integerLDAF, real, dimension( * )S, complex,…
cporfs.f – Synopsis Functions/Subroutines subroutine cporfs (UPLO, N, NRHS, A, LDA, AF, LDAF, B, LDB, X, LDX, FERR, BERR, WORK, RWORK, INFO) CPORFS Function/Subroutine Documentation subroutine cporfs (characterUPLO, integerN, integerNRHS, complex, dimension( lda, * )A, integerLDA, complex, dimension( ldaf, * )AF, integerLDAF, complex, dimension( ldb, * )B, integerLDB, complex, dimension( ldx, * )X, integerLDX, real,…
cpoequb.f – Synopsis Functions/Subroutines subroutine cpoequb (N, A, LDA, S, SCOND, AMAX, INFO) CPOEQUB Function/Subroutine Documentation subroutine cpoequb (integerN, complex, dimension( lda, * )A, integerLDA, real, dimension( * )S, realSCOND, realAMAX, integerINFO) CPOEQUB Purpose: CPOEQUB computes row and column scalings intended to equilibrate a symmetric positive definite matrix A and reduce its condition number (with…
cpoequ.f – Synopsis Functions/Subroutines subroutine cpoequ (N, A, LDA, S, SCOND, AMAX, INFO) CPOEQU Function/Subroutine Documentation subroutine cpoequ (integerN, complex, dimension( lda, * )A, integerLDA, real, dimension( * )S, realSCOND, realAMAX, integerINFO) CPOEQU Purpose: CPOEQU computes row and column scalings intended to equilibrate a Hermitian positive definite matrix A and reduce its condition number (with…
cpocon.f – Synopsis Functions/Subroutines subroutine cpocon (UPLO, N, A, LDA, ANORM, RCOND, WORK, RWORK, INFO) CPOCON Function/Subroutine Documentation subroutine cpocon (characterUPLO, integerN, complex, dimension( lda, * )A, integerLDA, realANORM, realRCOND, complex, dimension( * )WORK, real, dimension( * )RWORK, integerINFO) CPOCON Purpose: CPOCON estimates the reciprocal of the condition number (in the 1-norm) of a complex…
NAME cpg_mcast_joined – Multicasts a zero copy buffer to all groups joined to a handle SYNOPSIS #include <sys/uio.h> #include <corosync/cpg.h> int cpg_zcb_mcast_joined(cpg_handle_t handle, cpg_guarantee_t guarantee, const void *buffer,int msg_len ); DESCRIPTION The cpg_zcb_mcast_joined function will multicast a zero copy buffer message to all the processes that have been joined with the cpg_join(3) function for the…
NAME cpg_zcb_free – Frees a zero copy buffer SYNOPSIS #include <corosync/cpg.h> int cpg_zcb_fre(cpg_handle_t handle, void *buffer); DESCRIPTION The cpg_zcb_free function will free a zero copy buffer. The argument handle describes the handle on which the buffer will be allocated. The argument buffer is the zero copy buffer to free. RETURN VALUE This call returns the…
NAME cpg_zcb_alloc – Allocates a zero copy buffer SYNOPSIS #include <corosync/cpg.h> int cpg_zcb_alloc(cpg_handle_t handle, size_t size, void **buffer); DESCRIPTION The cpg_zcb_alloc function will allocate a zero copy buffer for use with the cpg_zcb_mcast_joined(3) function. This buffer should not be used in another thread while a cpg_zcb_mcast_joined operation is taking place on the buffer. The buffer…
NAME cpg_model_initialize – Create a new connection to the CPG service SYNOPSIS #include <corosync/cpg.h> cs_error_t cpg_model_initialize(cpg_handle_t *handle, cpg_model_t model, cpg_model_data_t *model_data, void *context); DESCRIPTION The cpg_model_initialize function is used to initialize a connection to the closed process groups API. Each application may have several connections to the CPG API. Each application uses the handle argument…
NAME cpg_membership_get – Returns a list of members of a CPG group SYNOPSIS #include <corosync/cpg.h> int cpg_membership_get(cpg_handle_t handle, struct cpg_name *groupName, struct cpg_address *member_list, int *member_list_entries); DESCRIPTION The cpg_membership_get function is used to determine the current processes in the configuration. You probably will not need to call this function much as one of the first…
NAME cpg_mcast_joined – Multicasts to all groups joined to a handle SYNOPSIS #include <sys/uio.h> #include <corosync/cpg.h> int cpg_mcast_joined(cpg_handle_t handle, cpg_guarantee_t guarantee, struct iovec *iovec, int iov_len); DESCRIPTION The cpg_mcast_joined function will multicast a message to all the processes that have been joined with the cpg_join(3) function for the same group name. Messages that are sent…
NAME cpg_local_get – Returns the local node id SYNOPSIS #include <corosync/cpg.h> int cpg_local_get(cpg_handle_t handle, unsigned int *local_nodeid); DESCRIPTION The cpg_local_get function is used to determine the local node’s identifier. The argument handle is used to reference the cpg instantiation. The argument local_nodeid will return the 32 bit node id. ERRORS The errors are undocumented. SEE…
NAME cpg_leave – Leave a group in the CPG library SYNOPSIS #include <corosync/cpg.h> int cpg_leave(cpg_handle_t handle, struct cpg_name *group); DESCRIPTION The cpg_leave function is used to leave a group. Once a group has been left the process will no longer receive messages or notifications about events in that group. Note that a process is only…