private static void testRandom(double errorAngle, double errorCoeff) {
int n1 = 13, n2 = 14;
EigenTensors2 et = new EigenTensors2(n1,n2);
for (int i2=0; i2<n2; ++i2) {
for (int i1=0; i1<n1; ++i1) {
float[] a = makeRandomEigenvalues();
float[] u = makeRandomEigenvector();
et.setEigenvalues(i1,i2,a);
et.setEigenvectorU(i1,i2,u);
float[] c;
c = et.getEigenvectorU(i1,i2); checkEigenvectors(u,c,errorAngle);
c = et.getEigenvalues(i1,i2); checkEigenvalues(c,a,errorCoeff);
et.setTensor(i1,i2,et.getTensor(i1,i2));
c = et.getEigenvectorU(i1,i2); checkEigenvectors(u,c,errorAngle);
c = et.getEigenvalues(i1,i2); checkEigenvalues(c,a,errorCoeff);
}
}
}