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fix/bug-78065 (#1640)

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Reviewed-on: https://git.onlyoffice.com/ONLYOFFICE/sdkjs/pulls/1640
Co-authored-by: GoshaZotov <Igor.Zotov@onlyoffice.com>
Co-committed-by: GoshaZotov <Igor.Zotov@onlyoffice.com>
This commit is contained in:
GoshaZotov
2025-11-07 15:41:21 +00:00
committed by Igor Zotov
parent 0715e2ea51
commit f4c1ad13c0
1 changed files with 43 additions and 20 deletions
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63
cell/model/FormulaObjects/mathematicFunctions.js
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@ -4079,33 +4079,56 @@ function (window, undefined) {
}
function roundHelper(number, decimals) {
if (num_digits > AscCommonExcel.cExcelMaxExponent) {
if (Math.abs(number) < 1 || num_digits < 1e10) // The values are obtained experimentally
{
return new cNumber(number);
}
return new cNumber(0);
} else if (num_digits < AscCommonExcel.cExcelMinExponent) {
if (Math.abs(number) < 0.01) // The values are obtained experimentally
{
return new cNumber(number);
}
return new cNumber(0);
if (decimals > AscCommonExcel.cExcelMaxExponent) {
return new cNumber(Math.abs(number) < 1 || decimals < 1e10 ? number : 0);
}
const EPSILON = 1e-14;
if (decimals < AscCommonExcel.cExcelMinExponent) {
return new cNumber(Math.abs(number) < 0.01 ? number : 0);
}
// ->integer
decimals = decimals >> 0;
function normalizeFloat(value) {
if (!isFinite(value)) {
return value;
}
if (Math.abs(value) < 2.2250738585072014e-308) {
return 0;
}
const MAX_SAFE = 2147483647;
const MIN_SAFE = -2147483648;
const MAX_DOUBLE = 1.79769313486231e+308;
let precision = 14 - Math.max(Math.min(Math.floor(Math.log10(Math.abs(value))), MAX_SAFE), MIN_SAFE);
if (precision > 308) {
let factor = Math.pow(10, precision - 308);
return Math.round(value * 1e+308 * factor) / 1e+308 / factor;
}
if (precision >= 0) {
let factor = Math.pow(10, precision);
return Math.round(value * factor) / factor;
}
let divisor = Math.pow(10, -precision);
let result = Math.round(value / divisor) * divisor;
if (Math.abs(value) >= MAX_DOUBLE || Math.abs(result) >= MAX_DOUBLE) {
return Math.sign(value) * MAX_DOUBLE;
}
return result;
}
const multiplier = Math.pow(10, decimals);
const shifted = Math.abs(number) * multiplier;
const shifted = normalizeFloat(number * multiplier);
const rounded = Math.sign(shifted) * Math.floor(Math.abs(shifted) + 0.5);
const result = normalizeFloat(rounded / multiplier);
// Add epsilon to handle floating point precision issues (1.005 case)
const compensated = shifted + EPSILON;
const rounded = Math.floor(compensated + 0.5);
let result = (Math.sign(number) * rounded) / multiplier;
return new cNumber(result);
}