d3-jsnext/src/interpolate/number.js

d3, but futuristic

var d3_interpolateNumber;

d3$interpolateNumber = d3_interpolateNumber;

function d3_interpolateNumber(a, b) {
  a = +a, b = +b;
  return function(t) { return a * (1 - t) + b * t; };
}

export { d3_interpolateNumber };