dmyblas2_dist.c File Reference

Level 2 BLAS operations: solves and matvec, written in C. More...

Functions
void	dlsolve (int ldm, int ncol, double *M, double *rhs)
void	dusolve (int ldm, int ncol, double *M, double *rhs)
void	dmatvec (int ldm, int nrow, int ncol, double *M, double *vec, double *Mxvec)

Detailed Description

Level 2 BLAS operations: solves and matvec, written in C.

Copyright (c) 2003, The Regents of the University of California, through Lawrence Berkeley National Laboratory (subject to receipt of any required approvals from U.S. Dept. of Energy)

All rights reserved.

The source code is distributed under BSD license, see the file License.txt at the top-level directory.

-- SuperLU routine (version 2.0) --
Univ. of California Berkeley, Xerox Palo Alto Research Center,
and Lawrence Berkeley National Lab.
November 15, 1997

Function Documentation

dlsolve()

void dlsolve	(	int	ldm,
		int	ncol,
		double *	M,
		double *	rhs
	)

Solves a dense UNIT lower triangular system. The unit lower
triangular matrix is stored in a 2D array M(1:nrow,1:ncol).
The solution will be returned in the rhs vector.

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dmatvec()

void dmatvec	(	int	ldm,
		int	nrow,
		int	ncol,
		double *	M,
		double *	vec,
		double *	Mxvec
	)

Performs a dense matrix-vector multiply: Mxvec = Mxvec + M * vec.
The input matrix is M(1:nrow,1:ncol); The product is returned in Mxvec[].

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dusolve()

void dusolve	(	int	ldm,
		int	ncol,
		double *	M,
		double *	rhs
	)

Solves a dense upper triangular system. The upper triangular matrix is
stored in a 2-dim array M(1:ldm,1:ncol). The solution will be returned
in the rhs vector.

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