Brunobkr/llama.cpp_AlgMor24_github

1'use strict';2 3var $pow = require('math-intrinsics/pow');4 5module.exports = function bytesAsFloat32(rawBytes) {6	// return new $Float32Array(new $Uint8Array(rawBytes).buffer)[0];7 8	/*9        Let value be the byte elements of rawBytes concatenated and interpreted as a little-endian bit string encoding of an IEEE 754-2008 binary32 value.10If value is an IEEE 754-2008 binary32 NaN value, return the NaN Number value.11Return the Number value that corresponds to value.12        */13	var sign = rawBytes[3] & 0x80 ? -1 : 1; // Check the sign bit14	var exponent = ((rawBytes[3] & 0x7F) << 1)15		| (rawBytes[2] >> 7); // Combine bits for exponent16	var mantissa = ((rawBytes[2] & 0x7F) << 16)17		| (rawBytes[1] << 8)18		| rawBytes[0]; // Combine bits for mantissa19 20	if (exponent === 0 && mantissa === 0) {21		return sign === 1 ? 0 : -0;22	}23	if (exponent === 0xFF && mantissa === 0) {24		return sign === 1 ? Infinity : -Infinity;25	}26	if (exponent === 0xFF && mantissa !== 0) {27		return NaN;28	}29 30	exponent -= 127; // subtract the bias31 32	if (exponent === -127) {33		return sign * mantissa * $pow(2, -126 - 23);34	}35	return sign * (1 + (mantissa * $pow(2, -23))) * $pow(2, exponent);36};37