#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
+#define REAL_VFPU 3
+#define REAL_RATIONAL 4
+#define REAL_RATIONAL_ARBINT 5
+#define REAL_MPFRCPP 6
+#define REAL_IRRAM 7
+
+#ifndef REALTYPE
+ #error "REALTYPE was not defined!"
+#endif
-#ifndef REAL
- #error "REAL was not defined!"
+#if REALTYPE == REAL_VFPU
+ #include "vfpu.h"
#endif
-#if REAL >= REAL_SINGLE_FAST2SUM
- #include "real_fast2sum.h"
-#endif //REAL
+#if REALTYPE == REAL_RATIONAL
+ #include "rational.h"
+#endif //REALTYPE
+
+#if REALTYPE == REAL_RATIONAL_ARBINT
+ #include "rational.h"
+ #include "arbint.h"
+ #include "gmpint.h"
+#endif //REALTYPE
+
+#if REALTYPE == REAL_MPFRCPP
+ #include <mpreal.h>
+#endif //REALTYPE
+
+#if REALTYPE == REAL_IRRAM
+ #include "../contrib/iRRAM/include/iRRAM/lib.h"
+#endif
namespace IPDF
{
extern const char * g_real_name[];
-#if REAL == REAL_SINGLE
+#if REALTYPE == REAL_SINGLE
typedef float Real;
-#elif REAL == REAL_DOUBLE
+#elif REALTYPE == REAL_DOUBLE
typedef double Real;
-#elif REAL == REAL_LONG_DOUBLE
+#elif REALTYPE == REAL_LONG_DOUBLE
typedef long double Real;
-#elif REAL == REAL_SINGLE_FAST2SUM
- typedef RealF2S<float> Real;
- inline float Float(Real r) {return r.m_value;}
-
+#elif REALTYPE == 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 REALTYPE == 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();}
+#elif REALTYPE == REAL_RATIONAL_ARBINT
+ #define ARBINT Gmpint // Set to Gmpint or Arbint here
+
+ typedef Rational<ARBINT> Real;
+ inline float Float(const Real & r) {return (float)r.ToDouble();}
+ inline double Double(const Real & r) {return r.ToDouble();}
+ inline int64_t Int64(const Real & r) {return r.ToInt64();}
+ inline Rational<ARBINT> Sqrt(const Rational<ARBINT> & r) {return r.Sqrt();}
+#elif REALTYPE == 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());}
+#elif REALTYPE == REAL_IRRAM
+ typedef iRRAM::REAL Real;
+ inline double Double(const Real & r) {return r.as_double(53);}
+ inline float Float(const Real & r) {return r.as_double(53);}
+ inline int64_t Int64(const Real & r) {return (int64_t)r.as_double(53);}
+ inline Real Sqrt(const Real & r) {return iRRAM::sqrt(r);}
#else
#error "Type of Real unspecified."
-#endif //REAL
+#endif //REALTYPE
// Allow us to call Float on the primative types
// Useful so I can template some things that could be either (a more complicated) Real or a primitive type
// Mostly in the testers.
- inline float Float(float f) {return f;}
- inline double Float(double f) {return f;}
- inline double Float(long double f) {return double(f);}
+ inline float Float(double f) {return (float)f;}
+ inline float Float(long double f) {return (float)(f);}
+ 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) {}
+ #if REALTYPE != REAL_IRRAM
+ Vec2(const std::pair<int64_t, int64_t> & p) : x(p.first), y(p.second) {}
+ #else
+ Vec2(const std::pair<int64_t, int64_t> & p) : x((int)p.first), y((int)p.second) {}
+ // Apparently iRRAM didn't implement -= for a constant argument
+ #endif
+ 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
git.ucc.asn.au / ipdf / code.git / blobdiff
UCC git Repository :: git.ucc.asn.au