SpM Handbook: build/include/spm/s

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Functions
void	s_spmIntFltSortAsc (void **const pbase, const spm_int_t n)
	Integer routines.

void	s_spmIntIntFltSortAsc (void **const pbase, const spm_int_t n)
	Sort 2 arrays simultaneously, the first array is an array of spm_int_t and used as key for sorting. The second array is an array of float.

int	s_spmConvertCSC2CSR (spmatrix_t *spm)
	convert a matrix in CSC format to a matrix in CSR format.

int	s_spmConvertCSC2IJV (spmatrix_t *spm)
	Convert a matrix in CSC format to a matrix in IJV format.

int	s_spmConvertCSR2CSC (spmatrix_t *spm)
	convert a matrix in CSR format to a matrix in CSC format.

int	s_spmConvertCSR2IJV (spmatrix_t *spm)
	convert a matrix in CSR format to a matrix in IJV format.

int	s_spmConvertIJV2CSC (spmatrix_t *spm)
	convert a matrix in IJV format to a matrix in CSC format.

int	s_spmConvertIJV2CSR (spmatrix_t *spm)
	convert a matrix in IJV format to a matrix in CSR format.

void	s_spm2dense (const spmatrix_t spm, float A)
	Convert a sparse matrix into a dense matrix.

int	spm_sspmv (spm_trans_t trans, float alpha, const spmatrix_t A, const float x, spm_int_t incx, float beta, float *y, spm_int_t incy)
	compute the matrix-vector product:

int	spm_sspmm (spm_side_t side, spm_trans_t transA, spm_trans_t transB, spm_int_t K, float alpha, const spmatrix_t A, const float B, spm_int_t ldb, float beta, float *C, spm_int_t ldc)
	Compute a matrix-matrix product.

float	s_spmNorm (spm_normtype_t ntype, const spmatrix_t *spm)
	Compute the norm of an spm matrix.

float	s_spmNormMat (spm_normtype_t ntype, const spmatrix_t spm, spm_int_t n, const float A, spm_int_t lda)
	Compute the norm of a dense matrix that follows the distribution of an spm matrix.

void	s_spmSort (spmatrix_t *spm)
	This routine sorts the spm matrix.

spm_int_t	s_spmMergeDuplicate (spmatrix_t *spm)
	This routine merge the multiple entries in a sparse matrix by summing their values together.

int	s_spmGenRHS (spm_rhstype_t type, int nrhs, const spmatrix_t spm, void x, int ldx, void *b, int ldb)
	Generate nrhs right hand side vectors associated to a given matrix to test a problem with a solver.

int	s_spmGenMat (spm_rhstype_t type, int nrhs, const spmatrix_t spm, void alphaptr, unsigned long long int seed, void *A, int lda)
	Generate nrhs right hand side vectors associated to a given matrix to test a problem with a solver.

int	s_spmCheckAxb (spm_fixdbl_t eps, int nrhs, const spmatrix_t spm, void x0, int ldx0, void b, int ldb, const void x, int ldx)
	Check the backward error, and the forward error if x0 is provided.

void	s_spmGatherRHS (int nrhs, const spmatrix_t spm, const float x, spm_int_t ldx, int root, float *gx, spm_int_t ldgx)
	Gather all the global C coefficients and store the good ones in local.

void	s_spmReduceRHS (int nrhs, const spmatrix_t spm, float bglob, spm_int_t ldbg, float *bloc, spm_int_t ldbl)
	Reduce all the global coefficients of a rhs and store the local ones.

void	s_spmExtractLocalRHS (int nrhs, const spmatrix_t spm, const float bglob, spm_int_t ldbg, float *bloc, spm_int_t ldbl)
	Stores the local values of a global RHS in the local one.

void	s_spmPrint (FILE f, const spmatrix_t spm)
	Write a spm matrix in a file.

void	s_spmPrintRHS (FILE f, const spmatrix_t spm, int nrhs, const void *x, spm_int_t ldx)
	Write into a file the vectors associated to a spm.

void	s_spmDensePrint (FILE f, spm_int_t m, spm_int_t n, const float A, spm_int_t lda)
	Print a dense matrix to the given file.

void	s_spmExpand (const spmatrix_t spm_in, spmatrix_t spm_out)
	Expand a single dof sparse matrix to a multi-dofs sparse matrix.

void	s_spmDofExtend (spmatrix_t *spm)
	Extend a single dof sparse matrix to a multi-dof sparse matrix.

void	s_spmScal (const float alpha, spmatrix_t *spm)
	Scal the spm: A = alpha * A.

int	s_spmRhsGenRndShm (const spmatrix_t spm, float scale, spm_int_t n, float A, spm_int_t lda, int shift, unsigned long long int seed)
	Generate a set of vectors of random values in shared memory.

int	s_spmRhsGenRndDist (const spmatrix_t spm, float alpha, spm_int_t n, float A, spm_int_t lda, int shift, unsigned long long int seed)
	Generate a set of vectors of random values in distributed memory.

Detailed Description

SParse Matrix package precision dependent header.

Copyright: 2016-2024 Bordeaux INP, CNRS (LaBRI UMR 5800), Inria, Univ. Bordeaux. All rights reserved.

Version: 1.2.4

Author: Pierre Ramet; Mathieu Faverge; Alban Bellot; Tony Delarue; Alycia Lisito

Date: 2024-05-29

Generated arithmetic file from /builds/2mk6rsew/0/fpruvost/spm/include/spm/z_spm.h, normal z -> s, Fri Nov 29 11:34:27 2024

Definition in file s_spm.h.

Functions

Detailed Description