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mmul.c
Go to the documentation of this file.
1
/* mmul.c CCMATH mathematics library source code.
2
*
3
* Copyright (C) 2000 Daniel A. Atkinson All rights reserved.
4
* This code may be redistributed under the terms of the GNU library
5
* public license (LGPL). ( See the lgpl.license file for details.)
6
* ------------------------------------------------------------------------
7
*/
8
#include "
ccmath.h
"
9
void
mmul
(
double
*c,
double
*a,
double
*
b
,
int
n)
10
{
11
double
*p, *q, s;
12
13
int
i, j, k;
14
15
trnm
(
b
, n);
16
for
(i = 0; i < n; ++i, a += n) {
17
for
(j = 0, q =
b
; j < n; ++j) {
18
for
(k = 0, p = a, s = 0.; k < n; ++k)
19
s += *p++ * *q++;
20
*c++ = s;
21
}
22
}
23
trnm
(
b
, n);
24
}
ccmath.h
trnm
void trnm(double *a, int n)
Definition:
trnm.c:8
mmul
void mmul(double *c, double *a, double *b, int n)
Definition:
mmul.c:9
b
double b
Definition:
r_raster.c:39
lib
external
ccmath
mmul.c
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