File: cs_pvec.c

package info (click to toggle)
ufsparse 1.2-7
  • links: PTS
  • area: main
  • in suites: etch, etch-m68k
  • size: 27,536 kB
  • ctags: 5,848
  • sloc: ansic: 89,328; makefile: 4,721; fortran: 1,991; csh: 207; sed: 162; awk: 33; java: 30; sh: 8
file content (9 lines) | stat: -rw-r--r-- 293 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
 
#include "cs.h"
/* x = b(P), for dense vectors x and b; P=NULL denotes identity */
int cs_pvec (int n, const int *P, const double *b, double *x)
{
    int k ;
    if (!x || !b) return (0) ;				    /* check inputs */
    for (k = 0 ; k < n ; k++) x [k] = b [P ? P [k] : k] ;
    return (1) ;
}