Initial revision.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@366 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/guile/matrix/vector.c

@@ -0,0 +1,42 @@
+/* File : vector.c */
+
+#include "vector.h"
+
+Vector *createv(double x, double y, double z, double w) {
+
+  Vector *n;
+  n = (Vector *) malloc(sizeof(Vector));
+  n->x = x;
+  n->y = y;
+  n->z = z;
+  n->w = w;
+  return n;
+
+}
+
+/* Destroy vector */
+
+void destroyv(Vector *v) {
+  free(v);
+}
+
+/* Print a vector */
+
+void printv(Vector *v) {
+
+  printf("x = %g, y = %g, z = %g, w = %g\n", v->x, v->y, v->z, v->w);
+
+}
+
+/* Do a transformation */
+void transform(double **m, Vector *v, Vector *r) {
+
+  r->x = m[0][0]*v->x + m[0][1]*v->y + m[0][2]*v->z + m[0][3]*v->w;
+  r->y = m[1][0]*v->x + m[1][1]*v->y + m[1][2]*v->z + m[1][3]*v->w;
+  r->z = m[2][0]*v->x + m[2][1]*v->y + m[2][2]*v->z + m[2][3]*v->w;
+  r->w = m[3][0]*v->x + m[3][1]*v->y + m[3][2]*v->z + m[3][3]*v->w;
+
+}
+
+
+