call method
Maps a domain value to a range value.
Implementation
R call(double value) {
final n = _range.length;
final d0 = _domain[0];
final d1 = _domain[1];
// Normalize value to [0, 1]
double t = (value - d0) / (d1 - d0);
t = t.clamp(0.0, 1.0);
// Find the appropriate bin
int i = (t * n).floor();
if (i >= n) i = n - 1;
return _range[i];
}