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add function normaliseInput to help sanatise and validate input before parsing

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This commit is contained in:
atsiv sivat 2026-03-08 00:55:06 +00:00
parent de789bfb33
commit 8a75be1b20
1 changed files with 7 additions and 1 deletions
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8
src/core/lib/IEEEBinary.mjs
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@ -22,6 +22,12 @@ const MAX_EXP = (1n << EXP_BITS) - 1n;
const EXP_BITS_NUM = Number(EXP_BITS); const EXP_BITS_NUM = Number(EXP_BITS);
const MANT_BITS_NUM = Number(MANT_BITS); const MANT_BITS_NUM = Number(MANT_BITS);
function normaliseInput(input) {
if (input === null || input === undefined)
throw new Error("Invalid decimal number");
return String(input).trim();
}
/** /**
* Compute 10^exp as BigInt without using ** on BigInt, to avoid * Compute 10^exp as BigInt without using ** on BigInt, to avoid
@ -183,7 +189,7 @@ export function FromIEEE754Float64(binary64String) {
* ToIEEE754Float64("23.300000000000000710542735760100185871124267578125"); * ToIEEE754Float64("23.300000000000000710542735760100185871124267578125");
*/ */
export function ToIEEE754Float64(input) { export function ToIEEE754Float64(input) {
input = String(input).trim(); input = normaliseInput(input);
const expOnes = "1".repeat(EXP_BITS_NUM); const expOnes = "1".repeat(EXP_BITS_NUM);
const mantZeros = "0".repeat(MANT_BITS_NUM); const mantZeros = "0".repeat(MANT_BITS_NUM);