gender-voice-visualization/ui/util.js

const cyrb53 = function(str, seed = 0) {
	let h1 = 0xdeadbeef ^ seed, h2 = 0x41c6ce57 ^ seed;
	for (let i = 0, ch; i < str.length; i++) {
		ch = str.charCodeAt(i);
		h1 = Math.imul(h1 ^ ch, 2654435761);
		h2 = Math.imul(h2 ^ ch, 1597334677);
	}
	h1 = Math.imul(h1 ^ (h1>>>16), 2246822507) ^ Math.imul(h2 ^ (h2>>>13), 3266489909);
	h2 = Math.imul(h2 ^ (h2>>>16), 2246822507) ^ Math.imul(h1 ^ (h1>>>13), 3266489909);
	return 4294967296 * (2097151 & h2) + (h1>>>0);
};
const hash = cyrb53


function clamp(min, max, val) {
	if (val < min) return min;
	if (val > max) return max;
	return val;
}


function last(list) {
	return list[list.length - 1];
}


function pitchPercent(pitch) {
	return clamp(0, 1, (pitch - 50) / 250);
}