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/************************************************************************
*
* Generate a set of quaternions on stdout.
*
************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <Inventor/SoDB.h>
#include <Inventor/SbLinear.h>
float
rndf(void)
{
return (float(rand()) / float(RAND_MAX) - 0.5f) * 4.0f;
}
int
main(int argc, char ** argv)
{
if (argc != 2) {
(void)fprintf(stderr,
"\n\n\tUsage: %s NUM\n\n"
"\tNUM = number of quaternions to output.\n\n",
argv[0]);
exit(1);
}
SoDB::init();
srand(19720408);
int num = atoi(argv[1]);
for (int i=0; i < num; i++) {
SbRotation q(rndf(), rndf(), rndf(), rndf());
float x, y, z, w;
q.getValue(x, y, z, w);
(void)fprintf(stdout, "%.3f %.3f %.3f %.3f\n", x, y, z, w);
}
return 0;
}
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