Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include "subtotal.hxx"
      21             : #include "interpre.hxx"
      22             : 
      23        1885 : bool SubTotal::SafePlus(double& fVal1, double fVal2)
      24             : {
      25        1885 :     bool bOk = true;
      26             :     SAL_MATH_FPEXCEPTIONS_OFF();
      27        1885 :     fVal1 += fVal2;
      28        1885 :     if (!::rtl::math::isFinite(fVal1))
      29             :     {
      30           0 :         bOk = false;
      31           0 :         if (fVal2 > 0.0)
      32           0 :             fVal1 = DBL_MAX;
      33             :         else
      34           0 :             fVal1 = -DBL_MAX;
      35             :     }
      36        1885 :     return bOk;
      37             : }
      38             : 
      39          72 : bool SubTotal::SafeMult(double& fVal1, double fVal2)
      40             : {
      41          72 :     bool bOk = true;
      42             :     SAL_MATH_FPEXCEPTIONS_OFF();
      43          72 :     fVal1 *= fVal2;
      44          72 :     if (!::rtl::math::isFinite(fVal1))
      45             :     {
      46           0 :         bOk = false;
      47           0 :         fVal1 = DBL_MAX;
      48             :     }
      49          72 :     return bOk;
      50             : }
      51             : 
      52           0 : bool SubTotal::SafeDiv(double& fVal1, double fVal2)
      53             : {
      54           0 :     bool bOk = true;
      55             :     SAL_MATH_FPEXCEPTIONS_OFF();
      56           0 :     fVal1 /= fVal2;
      57           0 :     if (!::rtl::math::isFinite(fVal1))
      58             :     {
      59           0 :         bOk = false;
      60           0 :         fVal1 = DBL_MAX;
      61             :     }
      62           0 :     return bOk;
      63         156 : }
      64             : 
      65             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */