X-Git-Url: https://git.ucc.asn.au/?p=ipdf%2Fcode.git;a=blobdiff_plain;f=src%2Freal.h;h=72def6988bfc3e99466c58f9870ea75d3e35dd6d;hp=5d4e1333ee14bf0204696c614c5a53119fc4c235;hb=326f04a375ce3120f7e8957e3d7cd5f296f513e3;hpb=6ce000e7212d9f5db6e5998c41df15bcad2022c8;ds=sidebyside diff --git a/src/real.h b/src/real.h index 5d4e133..72def69 100644 --- a/src/real.h +++ b/src/real.h @@ -13,11 +13,17 @@ #define REAL_RATIONAL_ARBINT 5 #define REAL_MPFRCPP 6 #define REAL_IRRAM 7 +#define REAL_PARANOIDNUMBER 8 +#define REAL_GMPRAT 9 #ifndef REALTYPE #error "REALTYPE was not defined!" #endif +#define XSTR(x) STR(x) +#define STR(x) #x +#pragma message "REALTYPE = " XSTR(REALTYPE) + #if REALTYPE == REAL_VFPU #include "vfpu.h" #endif @@ -40,6 +46,14 @@ #include "../contrib/iRRAM/include/iRRAM/lib.h" #endif +#if REALTYPE == REAL_PARANOIDNUMBER + #include "paranoidnumber.h" +#endif + +#if REALTYPE == REAL_GMPRAT + #include "gmprat.h" +#endif + namespace IPDF { extern const char * g_real_name[]; @@ -47,12 +61,15 @@ namespace IPDF #if REALTYPE == REAL_SINGLE typedef float Real; inline Real RealFromStr(const char * str) {return strtof(str, NULL);} + inline std::string Str(const Real & a) {std::stringstream s; s << a; return s.str();} #elif REALTYPE == REAL_DOUBLE typedef double Real; inline Real RealFromStr(const char * str) {return strtod(str, NULL);} + inline std::string Str(const Real & a) {std::stringstream s; s << a; return s.str();} #elif REALTYPE == REAL_LONG_DOUBLE typedef long double Real; inline Real RealFromStr(const char * str) {return strtold(str, NULL);} + inline std::string Str(const Real & a) {std::stringstream s; s << a; return s.str();} #elif REALTYPE == REAL_VFPU typedef VFPU::VFloat Real; inline float Float(const Real & r) {return r.m_value;} @@ -64,13 +81,14 @@ namespace IPDF inline double Double(const Real & r) {return r.ToDouble();} inline Real RealFromStr(const char * str) {return Real(strtod(str, NULL));} #elif REALTYPE == REAL_RATIONAL_ARBINT - #define ARBINT Gmpint // Set to Gmpint or Arbint here + #define ARBINT Arbint // Set to Gmpint or Arbint here typedef Rational 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 Sqrt(const Rational & r) {return r.Sqrt();} + inline Real RealFromStr(const char * str) {return Real(strtod(str, NULL));} #elif REALTYPE == REAL_MPFRCPP typedef mpfr::mpreal Real; inline double Double(const Real & r) {return r.toDouble();} @@ -86,6 +104,24 @@ namespace IPDF inline int64_t Int64(const Real & r) {return (int64_t)r.as_double(53);} inline Real Sqrt(const Real & r) {return iRRAM::sqrt(r);} inline Real RealFromStr(const char * str) {return Real(strtod(str, NULL));} +#elif REALTYPE == REAL_PARANOIDNUMBER + typedef ParanoidNumber Real; + inline double Double(const Real & r) {return r.Digit();} + inline float Float(const Real & r) {return r.Digit();} + inline int64_t Int64(const Real & r) {return (int64_t)r.Digit();} + inline Real Sqrt(const Real & r) {return Real(sqrt(r.Digit()));} + inline Real RealFromStr(const char * str) {return Real(str);} + inline Real Abs(const Real & a) {return Real(fabs(a.Digit()));} +#elif REALTYPE == REAL_GMPRAT + typedef Gmprat Real; + inline double Double(const Real & r) {return r.ToDouble();} + inline float Float(const Real & r) {return (float)(r.ToDouble());} + inline int64_t Int64(const Real & r) {return (int64_t)r.ToDouble();} + inline Real Sqrt(const Real & r) {return Real(sqrt(r.ToDouble()));} + inline Real RealFromStr(const char * str) {return Real(strtod(str, NULL));} + inline Real Abs(const Real & a) {return (a > Real(0)) ? a : Real(0)-a;} + inline std::string Str(const Real & a) {return a.Str();} + #else #error "Type of Real unspecified." #endif //REALTYPE @@ -100,7 +136,16 @@ namespace IPDF 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 int64_t Int64(double a) + { + if (a < INT64_MIN) + return INT64_MIN; + if (a > INT64_MAX) + return INT64_MAX; + return (int64_t)(a); + } inline Real Power(const Real & a, int n) { @@ -117,7 +162,7 @@ namespace IPDF { Real x; Real y; - Vec2() : x(0), y(0) {} + Vec2() : x(0.0), y(0.0) {} Vec2(Real _x, Real _y) : x(_x), y(_y) {} Vec2(const std::pair & p) : x(p.first), y(p.second) {} #if REALTYPE != REAL_IRRAM @@ -144,10 +189,21 @@ namespace IPDF }; + //TODO: Make sure there is actually a RealFromStr(const char * str) function + // Or this will recurse infinitely + // (If you remove this it will also break). inline Real RealFromStr(const std::string & str) {return RealFromStr(str.c_str());} - + inline void DebugRealInfo() + { + Debug("Compiled with REAL = %d => \"%s\" sizeof(Real) == %d bytes", REALTYPE, g_real_name[REALTYPE], sizeof(Real)); + #if REALTYPE == REAL_PARANOIDNUMBER + #ifdef PARANOID_SIZE_LIMIT + Debug("Size limit of %d is being enforced", PARANOID_SIZE_LIMIT); + #endif + #endif + } } #endif //_REAL_H