58 lines
2.0 KiB
C++
58 lines
2.0 KiB
C++
#ifndef IVL_vhdlreal_h
|
|
#define IVL_vhdlreal_h
|
|
/*
|
|
* Copyright (c) 2011-2014 Stephen Williams (steve@icarus.com)
|
|
*
|
|
* This source code is free software; you can redistribute it
|
|
* and/or modify it in source code form under the terms of the GNU
|
|
* General Public License as published by the Free Software
|
|
* Foundation; either version 2 of the License, or (at your option)
|
|
* any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include <iostream>
|
|
#include <cmath>
|
|
|
|
/*
|
|
* This class holds a floating point decimal number. The number is
|
|
* stored as double. All based numbers are converted by an external
|
|
* function to a double and then stored as class instance.
|
|
*/
|
|
class vhdlreal
|
|
{
|
|
public:
|
|
friend std::ostream& operator<< (std::ostream&, const vhdlreal&);
|
|
friend vhdlreal operator+ (const vhdlreal&, const vhdlreal&);
|
|
friend vhdlreal operator- (const vhdlreal&, const vhdlreal&);
|
|
friend vhdlreal operator* (const vhdlreal&, const vhdlreal&);
|
|
friend vhdlreal operator/ (const vhdlreal&, const vhdlreal&);
|
|
friend vhdlreal operator% (const vhdlreal&, const vhdlreal&);
|
|
friend vhdlreal pow(const vhdlreal&, const vhdlreal&);
|
|
// Unary minus.
|
|
friend vhdlreal operator- (const vhdlreal&);
|
|
|
|
explicit vhdlreal();
|
|
explicit vhdlreal(const char*text);
|
|
explicit vhdlreal(const double& val);
|
|
vhdlreal(const vhdlreal& val);
|
|
virtual ~vhdlreal() {};
|
|
|
|
double as_double() const
|
|
{
|
|
return value_;
|
|
}
|
|
private:
|
|
double value_;
|
|
};
|
|
|
|
#endif /* IVL_vhdlreal_h */
|