import { Fn } from '../tsl/TSLBase.js';
/** @module Hash **/
/**
* Generates a hash value in the range `[0, 1]` from the given seed.
*
* @method
* @param {Node<float>} seed - The seed.
* @return {Node<float>} The hash value.
*/
export const hash = /*@__PURE__*/ Fn( ( [ seed ] ) => {
// Taken from https://www.shadertoy.com/view/XlGcRh, originally from pcg-random.org
const state = seed.toUint().mul( 747796405 ).add( 2891336453 );
const word = state.shiftRight( state.shiftRight( 28 ).add( 4 ) ).bitXor( state ).mul( 277803737 );
const result = word.shiftRight( 22 ).bitXor( word );
return result.toFloat().mul( 1 / 2 ** 32 ); // Convert to range [0, 1)
} );