#include "common.h"
+
#define REAL_SINGLE 0
#define REAL_DOUBLE 1
+#define REAL_LONG_DOUBLE 2
+#define REAL_VFPU 3
+#define REAL_RATIONAL 4
+#define REAL_RATIONAL_ARBINT 5
#ifndef REAL
#error "REAL was not defined!"
#endif
+#if REAL == REAL_VFPU
+ #include "vfpu.h"
+#endif
+
+#if REAL == REAL_RATIONAL
+ #include "rational.h"
+#endif //REAL
+
+#if REAL == REAL_RATIONAL_ARBINT
+ #include "rational.h"
+ #include "arbint.h"
+ #include "gmpint.h"
+#endif //REAL
+
namespace IPDF
{
extern const char * g_real_name[];
#if REAL == REAL_SINGLE
typedef float Real;
- inline float Float(Real r) {return r;}
#elif REAL == REAL_DOUBLE
typedef double Real;
- inline double Float(Real r) {return r;}
+#elif REAL == REAL_LONG_DOUBLE
+ typedef long double Real;
+#elif REAL == REAL_VFPU
+ typedef VFPU::Float 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();}
+#elif REAL == 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();}
+
#else
#error "Type of Real unspecified."
#endif //REAL
+ // 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 (float)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 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;
+ }
+
}
#endif //_REAL_H