xpcom/aaAmountUtils.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim:set ts=2 sw=2 sts=2 et cindent tw=79 ft=cpp: */
   3 /*
   4  * Copyright (C) 2007 Sergey Yanovich <ynvich@gmail.com>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public
  17  * License along with this program; if not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  */
  21
  22 #ifndef AAAMOUNTUTILS_H
  23 #define AAAMOUNTUTILS_H
  24
  25 #include <math.h>
  26
  27 inline PRBool
  28 isZero(double val) { return (val < 0.00009) && (val > -0.00009);}
  29
  30 inline double
  31 round64(double x) { return x < 0.0 ? ceil(x-0.5) : floor(x+0.5); }
  32
  33 inline double
  34 normVal(double val) { return round64 (val * 100 ) / 100.0; }
  35
  36 #endif /* AAAMOUNTUTILS_H */