v1.0 with SW PWA enabled

This commit is contained in:
Blomios
2026-01-01 17:40:53 +01:00
parent 1c0e22aac1
commit 3c8bebb2ad
29775 changed files with 2197201 additions and 119080 deletions

View File

@ -0,0 +1,47 @@
'use strict';
var $pow = require('math-intrinsics/pow');
module.exports = function bytesAsFloat32(rawBytes) {
// return new $Float16Array(new $Uint8Array(rawBytes).buffer)[0];
/*
Let value be the byte elements of rawBytes concatenated and interpreted as a little-endian bit string encoding of an IEEE 754-2019 binary16 value.
If value is a NaN, return NaN.
Return the Number value that corresponds to value.
*/
var bits = (rawBytes[1] << 8) | rawBytes[0];
// extract sign, exponent, mantissa
var sign = bits & 0x8000 ? -1 : 1;
var exponent = (bits & 0x7C00) >> 10;
var mantissa = bits & 0x03FF;
// zero (±0)
if (exponent === 0 && mantissa === 0) {
return sign === 1 ? 0 : -0;
}
// infinities
if (exponent === 0x1F && mantissa === 0) {
return sign === 1 ? Infinity : -Infinity;
}
// NaN
if (exponent === 0x1F && mantissa !== 0) {
return NaN;
}
// remove bias (15)
exponent -= 15;
// subnormals
if (exponent === -15) {
// value = sign * (mantissa) * 2^(1-bias-10) = mantissa * 2^(-14-10)
return sign * mantissa * $pow(2, -24);
}
// normals
// value = sign * (1 + mantissa/2^10) * 2^exponent
return sign * (1 + (mantissa * $pow(2, -10))) * $pow(2, exponent);
};