#define _REAL_H
#include "common.h"
+#include <cmath>
#define REAL_SINGLE 0
#define REAL_DOUBLE 1
#define REAL_LONG_DOUBLE 2
-#define REAL_SINGLE_FAST2SUM 3 //TODO: Remove, is FITH
+#define REAL_VFPU 3
#define REAL_RATIONAL 4
#define REAL_RATIONAL_ARBINT 5
+#define REAL_MPFRCPP 6
#ifndef REAL
#error "REAL was not defined!"
#endif
-#if REAL >= REAL_SINGLE_FAST2SUM
- #include "real_fast2sum.h"
-#endif //REAL
+#if REAL == REAL_VFPU
+ #include "vfpu.h"
+#endif
#if REAL == REAL_RATIONAL
#include "rational.h"
#include "gmpint.h"
#endif //REAL
+#if REAL == REAL_MPFRCPP
+ #include <mpreal.h>
+#endif //REAL
+
namespace IPDF
{
extern const char * g_real_name[];
typedef double Real;
#elif REAL == REAL_LONG_DOUBLE
typedef long double Real;
-#elif REAL == REAL_SINGLE_FAST2SUM
- typedef RealF2S<float> Real;
+#elif REAL == REAL_VFPU
+ typedef VFPU::VFloat Real;
inline float Float(const Real & r) {return r.m_value;}
inline double Double(const Real & r) {return r.m_value;}
#elif REAL == REAL_RATIONAL
-
typedef Rational<int64_t> Real;
inline float Float(const Real & r) {return (float)r.ToDouble();}
inline double Double(const Real & r) {return r.ToDouble();}
typedef Rational<ARBINT> Real;
inline float Float(const Real & r) {return (float)r.ToDouble();}
inline double Double(const Real & r) {return r.ToDouble();}
- inline Rational<ARBINT> pow(const Rational<ARBINT> & a, const Rational<ARBINT> & b)
- {
- ARBINT P(std::pow(static_cast<double>(a.P), b.ToDouble()));
- ARBINT Q(std::pow(static_cast<double>(a.Q), b.ToDouble()));
- return Rational<ARBINT>(P,Q);
- }
+ inline int64_t Int64(const Real & r) {return r.ToInt64();}
+ inline Rational<ARBINT> Sqrt(const Rational<ARBINT> & r) {return r.Sqrt();}
+#elif REAL == REAL_MPFRCPP
+ typedef mpfr::mpreal Real;
+ inline double Double(const Real & r) {return r.toDouble();}
+ inline float Float(const Real & r) {return r.toDouble();}
+ inline int64_t Int64(const Real & r) {return r.toLong();}
+ inline Real Sqrt(const Real & r) {return mpfr::sqrt(r, mpfr::mpreal::get_default_rnd());}
+ inline Real Abs(const Real & r) {return mpfr::abs(r, mpfr::mpreal::get_default_rnd());}
#else
#error "Type of Real unspecified."
#endif //REAL
inline double Double(float f) {return (double)f;}
inline double Double(double f) {return (double)f;}
inline double Double(long double f) {return (double)(f);}
+ inline double Sqrt(double f) {return sqrt(f);}
+ inline double Abs(double a) {return fabs(a);}
+ inline int64_t Int64(double a){return (int64_t)a;}
+
+ inline Real Power(const Real & a, int n)
+ {
+ if (n < 0)
+ {
+ return Power(Real(1)/a, -n);
+ }
+ Real r(1);
+ for (int i = 0; i < n; ++i)
+ r *= a;
+ return r;
+ }
+ struct Vec2
+ {
+ Real x;
+ Real y;
+ Vec2() : x(0), y(0) {}
+ Vec2(Real _x, Real _y) : x(_x), y(_y) {}
+ Vec2(const std::pair<Real, Real> & p) : x(p.first), y(p.second) {}
+ Vec2(const std::pair<int64_t, int64_t> & p) : x(p.first), y(p.second) {}
+
+ bool operator==(const Vec2& other) const { return (x == other.x) && (y == other.y); }
+ bool operator!=(const Vec2& other) const { return !(*this == other); }
+
+ Vec2& operator=(const Vec2& other) { x = other.x; y = other.y; return *this; }
+ Vec2& operator+=(const Vec2& other) { x += other.x; y += other.y; return *this; }
+ Vec2& operator-=(const Vec2& other) { x -= other.x; y -= other.y; return *this; }
+ Vec2& operator*=(const Real& lambda) { x *= lambda; y *= lambda; return *this; }
+ Vec2& operator/=(const Real& lambda) { x /= lambda; y /= lambda; return *this; }
+
+ Vec2 operator+(const Vec2& other) const { return Vec2(x + other.x, y + other.y); }
+ Vec2 operator-(const Vec2& other) const { return Vec2(x - other.x, y - other.y); }
+ Vec2 operator*(const Real& lambda) const { return Vec2(x * lambda, y * lambda); }
+ Vec2 operator/(const Real& lambda) const { return Vec2(x / lambda, y / lambda); }
+
+ const Real SquareLength() const { return (x*x + y*y); }
+
+ };
+
+
}
#endif //_REAL_H