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fix: Implement toExponential polyfill for broader compatibility

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Co-authored-by: aider (gemini/gemini-2.5-pro) <aider@aider.chat>
This commit is contained in:
Tanner Collin
2026-03-14 13:55:25 -06:00
committed by Tanner
parent a714c57b2b
commit 212cbdb9b7
1 changed files with 24 additions and 1 deletions
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calculator/calculator.app.js
+24 -1
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@@ -206,6 +206,29 @@ function subtract(x, y) {
return sum(x, -y);
}
function toExponential(num, precision) {
if (num === 0) {
let z = "0";
if (precision > 0) z += "." + "0".repeat(precision);
return z + "e+0";
}
var sign = "";
if (num < 0) {
sign = "-";
num = -num;
}
var exp = Math.floor(Math.log10(num));
var mantissa = num / Math.pow(10, exp);
var mantissaFixed = mantissa.toFixed(precision);
if (parseFloat(mantissaFixed) >= 10) {
mantissaFixed = (mantissa/10).toFixed(precision);
exp++;
}
return sign + mantissaFixed + "e" + (exp >= 0 ? "+" : "") + exp;
}
function fixFloat(n) {
if (Math.abs(n) < 1e-10) return 0;
return n;
@@ -265,7 +288,7 @@ function displayOutput(num) {
if (typeof num === 'number' && (numStr.length > RESULT_MAX_LEN || (num !== 0 && Math.abs(num) < 1e-4))) {
let precision = RESULT_MAX_LEN - 8;
if (precision < 0) precision = 0;
num = num.toExponential(precision).replace("e", "E");
num = toExponential(num, precision).replace("e", "E");
} else {
num = numStr;
}