utils.js
655 Bytes
/** POLYFILLS **/
Math.log10 = Math.log10 || function(x) { return Math.log(x) * Math.LOG10E; };
Math.TAU = Math.TAU || Math.PI * 2;
/**
* Useful for axes' domains on plots.
* @param value
* @returns {number}
*/
const ceil_value_to_magnitude = function (value) {
let sign = 1;
if (value < 0) {
value = Math.abs(value);
sign = -1;
}
if (value < 1) {
return sign;
}
const low = Math.pow(10, Math.floor(Math.log10(value)));
let cursor = low;
let noloop = 0;
while ((cursor < value) && (noloop <= 100)) {
cursor += 0.1 * low;
noloop += 1;
}
return sign * cursor;
};