d3-jsnext/src/scale/bilinear.js

d3, but futuristic

function d3_scale_bilinear(domain, range, uninterpolate, interpolate) {
  var u = uninterpolate(domain[0], domain[1]),
      i = interpolate(range[0], range[1]);
  return function(x) {
    return i(u(x));
  };
}

export { d3_scale_bilinear };