/usr/include/allegro/fix.h is in liballegro4-dev 2:4.4.2-7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* /\ _ \ /\_ \ /\_ \
* \ \ \L\ \\//\ \ \//\ \ __ __ _ __ ___
* \ \ __ \ \ \ \ \ \ \ /'__`\ /'_ `\/\`'__\/ __`\
* \ \ \/\ \ \_\ \_ \_\ \_/\ __//\ \L\ \ \ \//\ \L\ \
* \ \_\ \_\/\____\/\____\ \____\ \____ \ \_\\ \____/
* \/_/\/_/\/____/\/____/\/____/\/___L\ \/_/ \/___/
* /\____/
* \_/__/
*
* C++ wrapper for fixed point math type.
*
* By Shawn Hargreaves.
*
* See readme.txt for copyright information.
*/
#ifndef ALLEGRO_FIX_H
#define ALLEGRO_FIX_H
#include "fixed.h"
#include "fmaths.h"
#ifdef __cplusplus
class fix /* C++ wrapper for the fixed point routines */
{
public:
fixed v;
fix() : v(0) {}
fix(const fix &x) : v(x.v) {}
explicit fix(const int x) : v(itofix(x)) {}
explicit fix(const long x) : v(itofix(x)) {}
explicit fix(const unsigned int x) : v(itofix(x)) {}
explicit fix(const unsigned long x) : v(itofix(x)) {}
explicit fix(const float x) : v(ftofix(x)) {}
explicit fix(const double x) : v(ftofix(x)) {}
operator int() const { return fixtoi(v); }
operator long() const { return fixtoi(v); }
operator unsigned int() const { return fixtoi(v); }
operator unsigned long() const { return fixtoi(v); }
operator float() const { return fixtof(v); }
operator double() const { return fixtof(v); }
fix& operator = (const fix &x) { v = x.v; return *this; }
fix& operator = (const int x) { v = itofix(x); return *this; }
fix& operator = (const long x) { v = itofix(x); return *this; }
fix& operator = (const unsigned int x) { v = itofix(x); return *this; }
fix& operator = (const unsigned long x) { v = itofix(x); return *this; }
fix& operator = (const float x) { v = ftofix(x); return *this; }
fix& operator = (const double x) { v = ftofix(x); return *this; }
fix& operator += (const fix x) { v += x.v; return *this; }
fix& operator += (const int x) { v += itofix(x); return *this; }
fix& operator += (const long x) { v += itofix(x); return *this; }
fix& operator += (const float x) { v += ftofix(x); return *this; }
fix& operator += (const double x) { v += ftofix(x); return *this; }
fix& operator -= (const fix x) { v -= x.v; return *this; }
fix& operator -= (const int x) { v -= itofix(x); return *this; }
fix& operator -= (const long x) { v -= itofix(x); return *this; }
fix& operator -= (const float x) { v -= ftofix(x); return *this; }
fix& operator -= (const double x) { v -= ftofix(x); return *this; }
fix& operator *= (const fix x) { v = fixmul(v, x.v); return *this; }
fix& operator *= (const int x) { v *= x; return *this; }
fix& operator *= (const long x) { v *= x; return *this; }
fix& operator *= (const float x) { v = ftofix(fixtof(v) * x); return *this; }
fix& operator *= (const double x) { v = ftofix(fixtof(v) * x); return *this; }
fix& operator /= (const fix x) { v = fixdiv(v, x.v); return *this; }
fix& operator /= (const int x) { v /= x; return *this; }
fix& operator /= (const long x) { v /= x; return *this; }
fix& operator /= (const float x) { v = ftofix(fixtof(v) / x); return *this; }
fix& operator /= (const double x) { v = ftofix(fixtof(v) / x); return *this; }
fix& operator <<= (const int x) { v <<= x; return *this; }
fix& operator >>= (const int x) { v >>= x; return *this; }
fix& operator ++ () { v += itofix(1); return *this; }
fix& operator -- () { v -= itofix(1); return *this; }
fix operator ++ (int) { fix t; t.v = v; v += itofix(1); return t; }
fix operator -- (int) { fix t; t.v = v; v -= itofix(1); return t; }
fix operator - () const { fix t; t.v = -v; return t; }
inline friend fix operator + (const fix x, const fix y);
inline friend fix operator + (const fix x, const int y);
inline friend fix operator + (const int x, const fix y);
inline friend fix operator + (const fix x, const long y);
inline friend fix operator + (const long x, const fix y);
inline friend fix operator + (const fix x, const float y);
inline friend fix operator + (const float x, const fix y);
inline friend fix operator + (const fix x, const double y);
inline friend fix operator + (const double x, const fix y);
inline friend fix operator - (const fix x, const fix y);
inline friend fix operator - (const fix x, const int y);
inline friend fix operator - (const int x, const fix y);
inline friend fix operator - (const fix x, const long y);
inline friend fix operator - (const long x, const fix y);
inline friend fix operator - (const fix x, const float y);
inline friend fix operator - (const float x, const fix y);
inline friend fix operator - (const fix x, const double y);
inline friend fix operator - (const double x, const fix y);
inline friend fix operator * (const fix x, const fix y);
inline friend fix operator * (const fix x, const int y);
inline friend fix operator * (const int x, const fix y);
inline friend fix operator * (const fix x, const long y);
inline friend fix operator * (const long x, const fix y);
inline friend fix operator * (const fix x, const float y);
inline friend fix operator * (const float x, const fix y);
inline friend fix operator * (const fix x, const double y);
inline friend fix operator * (const double x, const fix y);
inline friend fix operator / (const fix x, const fix y);
inline friend fix operator / (const fix x, const int y);
inline friend fix operator / (const int x, const fix y);
inline friend fix operator / (const fix x, const long y);
inline friend fix operator / (const long x, const fix y);
inline friend fix operator / (const fix x, const float y);
inline friend fix operator / (const float x, const fix y);
inline friend fix operator / (const fix x, const double y);
inline friend fix operator / (const double x, const fix y);
inline friend fix operator << (const fix x, const int y);
inline friend fix operator >> (const fix x, const int y);
inline friend int operator == (const fix x, const fix y);
inline friend int operator == (const fix x, const int y);
inline friend int operator == (const int x, const fix y);
inline friend int operator == (const fix x, const long y);
inline friend int operator == (const long x, const fix y);
inline friend int operator == (const fix x, const float y);
inline friend int operator == (const float x, const fix y);
inline friend int operator == (const fix x, const double y);
inline friend int operator == (const double x, const fix y);
inline friend int operator != (const fix x, const fix y);
inline friend int operator != (const fix x, const int y);
inline friend int operator != (const int x, const fix y);
inline friend int operator != (const fix x, const long y);
inline friend int operator != (const long x, const fix y);
inline friend int operator != (const fix x, const float y);
inline friend int operator != (const float x, const fix y);
inline friend int operator != (const fix x, const double y);
inline friend int operator != (const double x, const fix y);
inline friend int operator < (const fix x, const fix y);
inline friend int operator < (const fix x, const int y);
inline friend int operator < (const int x, const fix y);
inline friend int operator < (const fix x, const long y);
inline friend int operator < (const long x, const fix y);
inline friend int operator < (const fix x, const float y);
inline friend int operator < (const float x, const fix y);
inline friend int operator < (const fix x, const double y);
inline friend int operator < (const double x, const fix y);
inline friend int operator > (const fix x, const fix y);
inline friend int operator > (const fix x, const int y);
inline friend int operator > (const int x, const fix y);
inline friend int operator > (const fix x, const long y);
inline friend int operator > (const long x, const fix y);
inline friend int operator > (const fix x, const float y);
inline friend int operator > (const float x, const fix y);
inline friend int operator > (const fix x, const double y);
inline friend int operator > (const double x, const fix y);
inline friend int operator <= (const fix x, const fix y);
inline friend int operator <= (const fix x, const int y);
inline friend int operator <= (const int x, const fix y);
inline friend int operator <= (const fix x, const long y);
inline friend int operator <= (const long x, const fix y);
inline friend int operator <= (const fix x, const float y);
inline friend int operator <= (const float x, const fix y);
inline friend int operator <= (const fix x, const double y);
inline friend int operator <= (const double x, const fix y);
inline friend int operator >= (const fix x, const fix y);
inline friend int operator >= (const fix x, const int y);
inline friend int operator >= (const int x, const fix y);
inline friend int operator >= (const fix x, const long y);
inline friend int operator >= (const long x, const fix y);
inline friend int operator >= (const fix x, const float y);
inline friend int operator >= (const float x, const fix y);
inline friend int operator >= (const fix x, const double y);
inline friend int operator >= (const double x, const fix y);
inline friend fix sqrt(fix x);
inline friend fix cos(fix x);
inline friend fix sin(fix x);
inline friend fix tan(fix x);
inline friend fix acos(fix x);
inline friend fix asin(fix x);
inline friend fix atan(fix x);
inline friend fix atan2(fix x, fix y);
};
#endif /* ifdef __cplusplus */
#include "inline/fix.inl"
#endif /* ifndef ALLEGRO_FIX_H */
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