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76ee07f61c
Co-authored-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com> Co-committed-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com>
69 lines
2.3 KiB
C++
69 lines
2.3 KiB
C++
/*
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* Copyright (C) Ascensio System SIA, 2009-2026
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*
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* This program is a free software product. You can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public License (AGPL)
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* version 3 as published by the Free Software Foundation, together with the
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* additional terms provided in the LICENSE file.
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*
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* This program is distributed WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
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* details, see the GNU AGPL at: https://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA by email at info@onlyoffice.com
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* or by postal mail at 20A-6 Ernesta Birznieka-Upisha Street, Riga,
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* LV-1050, Latvia, European Union.
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*
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* The interactive user interfaces in modified versions of the Program
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* are required to display Appropriate Legal Notices in accordance with
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* Section 5 of the GNU AGPL version 3.
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*
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* No trademark rights are granted under this License.
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*
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* All non-code elements of the Product, including illustrations,
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* icon sets, and technical writing content, are licensed under the
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* Creative Commons Attribution-ShareAlike 4.0 International License:
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* https://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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* This license applies only to such non-code elements and does not
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* modify or replace the licensing terms applicable to the Program's
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* source code, which remains licensed under the GNU Affero General
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* Public License v3.
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*
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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#ifdef __ANDROID__
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#include <stdio.h>
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char* gcvt(double x, int n, char* b)
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{
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sprintf(b, "%.*g", n, x);
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return b;
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}
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#endif
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#include "CommonInclude.h"
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#include "Common.h"
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#ifndef _gcvt
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#include "stdlib.h"
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#define _CVTBUFSIZE 128
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#define _gcvt gcvt
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#endif
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#define DBL_MAX 15
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#define DBL_MAXDIG10 17
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std::wstring OOX::Spreadsheet::SpreadsheetCommon::WriteDouble(double dVal)
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{
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//according to http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n2005.pdf
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//DBL_MAX = 15 digits, DBL_MAXDIG10 = 17 digits.
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char buffer[_CVTBUFSIZE];
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_gcvt( dVal, DBL_MAXDIG10, buffer );
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std::string sRes(buffer);
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int nLength = sRes.length();
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if(nLength > 0 && '.' == sRes[nLength - 1])
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sRes = sRes.substr(0, nLength - 1);
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return std::wstring(sRes.begin(), sRes.end());
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}
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