private void triangPositiveSkew(double mean, double var, Triangular t) {
double b = mean + Math.sqrt(2.0 * var);
double c = b;
double a = mean - 2.0 * Math.sqrt(2.0 * var);
t.setParameters(a, c, b);
}
private void triangSymmetric(double mean, double var, Triangular t) {
double a = mean - Math.sqrt(6.0 * var);
double b = mean + Math.sqrt(6.0 * var);
double c = mean;
t.setParameters(a, c, b);
}