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/************************************************************************
*
* SbMatrix::multLeft(SbMatrix)
*
************************************************************************/
#include <stdio.h>
#include <Inventor/SoDB.h>
#include <Inventor/SbLinear.h>
int
main(int argc, char ** argv)
{
SoDB::init();
// FIXME: istty(stdin). 20010114 mortene.
int valsread;
SbMatrix rightmatrix = SbMatrix::identity();
do {
SbMat m;
valsread = fscanf(stdin,
"%f %f %f %f "
"%f %f %f %f "
"%f %f %f %f "
"%f %f %f %f\n",
&m[0][0], &m[0][1], &m[0][2], &m[0][3],
&m[1][0], &m[1][1], &m[1][2], &m[1][3],
&m[2][0], &m[2][1], &m[2][2], &m[2][3],
&m[3][0], &m[3][1], &m[3][2], &m[3][3]);
if (valsread == 16) {
SbMatrix leftmatrix(m);
rightmatrix.multLeft(leftmatrix);
for (int i=0; i < 4; i++) {
for (int j=0; j < 4; j++) {
(void)fprintf(stdout, "%10.3f ", rightmatrix[i][j]);
}
(void)fprintf(stdout, "\n");
}
(void)fprintf(stdout, "\n");
}
} while (valsread == 16);
if (valsread != EOF) {
(void)fflush(stdout);
(void)fprintf(stderr, "Input data format error!\n");
}
return 0;
}
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