kirisute function

double kirisute(
  1. double x,
  2. int n
)

Round down / truncate (corresponds to Pascal Kirisute)

Implementation

double kirisute(double x, int n) {
  x = x * pow(10, n - 1);
  x = x.truncateToDouble();
  return x * pow(10, 1 - n).toDouble();
}