File: BI_dvmcopy.c

package info (click to toggle)
scalapack 2.0.2-7
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 36,300 kB
  • sloc: fortran: 338,514; ansic: 75,307; makefile: 1,385; sh: 56
file content (28 lines) | stat: -rw-r--r-- 509 bytes parent folder | download | duplicates (11) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
 
#include "Bdef.h"

void BI_dvmcopy(int m, int n, double *A, int lda, double *buff)
/*
 *  performs an vector to matrix copy (unpack) for the data type double
 */
{
   int i, j;

   if ( (m == lda) || (n == 1) )
   {
      m = n * m;
      for (i=0; i < m; i++) A[i] = buff[i];
   }
   else if (m == 1)
   {
      for (j=0; j < n; j++) A[j*lda] = buff[j];
   }
   else
   {
      for (j=0; j< n; j++)
      {
         for (i=0; i < m; i++) A[i] = buff[i];
         A += lda;
         buff += m;
      }
   }
}