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- /* bcd.h
-
- BCD Number Library - Include File
- class bcd: declarations for decimal numbers.
-
- */
-
- /*
- * C/C++ Run Time Library - Version 10.0
- *
- * Copyright (c) 1987, 2000 by Inprise Corporation
- * All Rights Reserved.
- *
- */
-
- /* $Revision: 9.5 $ */
-
-
- #ifndef __BCD_H
- #define __BCD_H
-
- #ifndef __cplusplus
- #error Must use C++ for the type bcd.
- #endif
-
- #ifndef ___STDDEF_H
- #include <_stddef.h>
- #endif
-
- #if !defined(__MATH_H)
- #include <math.h>
- #endif
-
- #include <iosfwd>
-
- #if !defined(RC_INVOKED)
-
- #pragma pack(push, 1)
-
- #if defined(__STDC__)
- #pragma warn -nak
- #endif
-
- #endif /* !RC_INVOKED */
-
-
- #define _BcdMaxDecimals 5000
-
- class _EXPCLASS bcd {
-
- public:
- // constructors
- _RTLENTRY bcd();
- _RTLENTRY bcd(int x);
- _RTLENTRY bcd(unsigned int x);
- _RTLENTRY bcd(long x);
- _RTLENTRY bcd(unsigned long x);
- _RTLENTRY bcd(double x, int decimals = _BcdMaxDecimals);
- _RTLENTRY bcd(long double x, int decimals = _BcdMaxDecimals);
-
- // bcd manipulations
- friend inline long double _RTLENTRY real(const bcd &); // Return the real part
-
- // Overloaded ANSI C math functions
- friend inline bcd _RTLENTRY _EXPFUNC abs(const bcd &);
- friend inline bcd _RTLENTRY _EXPFUNC acos(const bcd &);
- friend inline bcd _RTLENTRY _EXPFUNC asin(const bcd &);
- friend inline bcd _RTLENTRY _EXPFUNC atan(const bcd &);
- friend inline bcd _RTLENTRY _EXPFUNC cos(const bcd &);
- friend inline bcd _RTLENTRY _EXPFUNC cosh(const bcd &);
- friend inline bcd _RTLENTRY _EXPFUNC exp(const bcd &);
- friend inline bcd _RTLENTRY _EXPFUNC log(const bcd &);
- friend inline bcd _RTLENTRY _EXPFUNC log10(const bcd &);
- friend inline bcd _RTLENTRY _EXPFUNC pow(const bcd & base, const bcd & expon);
- friend inline bcd _RTLENTRY _EXPFUNC sin(const bcd &);
- friend inline bcd _RTLENTRY _EXPFUNC sinh(const bcd &);
- friend inline bcd _RTLENTRY _EXPFUNC sqrt(const bcd &);
- friend inline bcd _RTLENTRY _EXPFUNC tan(const bcd &);
- friend inline bcd _RTLENTRY _EXPFUNC tanh(const bcd &);
-
- // Binary Operator Functions
- friend inline bcd _RTLENTRY _EXPFUNC operator+(const bcd &, const bcd &);
- friend inline bcd _RTLENTRY _EXPFUNC operator+(long double, const bcd &);
- friend inline bcd _RTLENTRY _EXPFUNC operator+(const bcd &, long double);
- friend inline bcd _RTLENTRY _EXPFUNC operator-(const bcd &, const bcd &);
- friend inline bcd _RTLENTRY _EXPFUNC operator-(long double, const bcd &);
- friend inline bcd _RTLENTRY _EXPFUNC operator-(const bcd &, long double);
- friend inline bcd _RTLENTRY _EXPFUNC operator*(const bcd &, const bcd &);
- friend inline bcd _RTLENTRY _EXPFUNC operator*(const bcd &, long double);
- friend inline bcd _RTLENTRY _EXPFUNC operator*(long double, const bcd &);
- friend inline bcd _RTLENTRY _EXPFUNC operator/(const bcd &, const bcd &);
- friend inline bcd _RTLENTRY _EXPFUNC operator/(const bcd &, long double);
- friend inline bcd _RTLENTRY _EXPFUNC operator/(long double, const bcd &);
- friend inline int _RTLENTRY _EXPFUNC operator==(const bcd &, const bcd &);
- friend inline int _RTLENTRY _EXPFUNC operator!=(const bcd &, const bcd &);
- friend inline int _RTLENTRY _EXPFUNC operator>=(const bcd &, const bcd &);
- friend inline int _RTLENTRY _EXPFUNC operator<=(const bcd &, const bcd &);
- friend inline int _RTLENTRY _EXPFUNC operator>(const bcd &, const bcd &);
- friend inline int _RTLENTRY _EXPFUNC operator<(const bcd &, const bcd &);
- bcd & _RTLENTRY operator+=(const bcd &);
- bcd & _RTLENTRY operator+=(long double);
- bcd & _RTLENTRY operator-=(const bcd &);
- bcd & _RTLENTRY operator-=(long double);
- bcd & _RTLENTRY operator*=(const bcd &);
- bcd & _RTLENTRY operator*=(long double);
- bcd & _RTLENTRY operator/=(const bcd &);
- bcd & _RTLENTRY operator/=(long double);
- bcd _RTLENTRY operator+();
- bcd _RTLENTRY operator-();
-
- // Implementation
- private:
- long mantissa[2];
- int expo;
- };
-
- // const bcd _bcd_zero(0);
-
- enum _bcdexpo {
- _ExpoZero,
- _ExpoInf,
- _ExpoNan
- };
-
- extern "C"
- {
- long double _RTLENTRY _EXPFUNC __bcd_tobinary (const bcd *p);
- void _RTLENTRY _EXPFUNC __bcd_todecimal(long double x, int decimals, bcd *p);
- long double _RTLENTRY _EXPFUNC __bcd_log10 (const bcd *p);
- void _RTLENTRY _EXPFUNC __bcd_pow10 (int n, bcd *p);
- }
-
- inline _RTLENTRY bcd::bcd()
- {
- /* if you want zero ...
- mantissa[0] = 0;
- mantissa[1] = 0;
- expo = ExpoZero;
- */
- }
-
- inline _RTLENTRY bcd::bcd(long double x, int decimals)
- {
- __bcd_todecimal(x,decimals,this);
- }
-
- inline _RTLENTRY bcd::bcd(double x, int decimals)
- {
- __bcd_todecimal(x,decimals,this);
- }
-
- inline _RTLENTRY bcd::bcd(int x)
- {
- mantissa[0] = x;
- mantissa[1] = x >= 0 ? 0 : -1;
- expo = 0;
- }
-
- inline _RTLENTRY bcd::bcd(unsigned int x)
- {
- mantissa[0] = x;
- mantissa[1] = 0;
- expo = 0;
- }
-
- inline _RTLENTRY bcd::bcd(long x)
- {
- mantissa[0] = x;
- mantissa[1] = x >= 0 ? 0 : -1;
- expo = 0;
- }
-
- inline _RTLENTRY bcd::bcd(unsigned long x)
- {
- mantissa[0] = x;
- mantissa[1] = 0;
- expo = 0;
- }
-
- inline long double _RTLENTRY real(const bcd &z)
- {
- return __bcd_tobinary(&z);
- }
-
- // Definitions of compound-assignment operator member functions
-
- inline bcd& _RTLENTRY bcd::operator+=(const bcd &b)
- {
- __bcd_todecimal(real(*this)+real(b),_BcdMaxDecimals,this);
- return *this;
- }
-
- inline bcd& _RTLENTRY bcd::operator+=(long double b)
- {
- __bcd_todecimal(real(*this)+b,_BcdMaxDecimals,this);
- return *this;
- }
-
- inline bcd& _RTLENTRY bcd::operator-=(const bcd &b)
- {
- __bcd_todecimal(real(*this)-real(b),_BcdMaxDecimals,this);
- return *this;
- }
-
- inline bcd& _RTLENTRY bcd::operator-=(long double b)
- {
- __bcd_todecimal(real(*this)-b,_BcdMaxDecimals,this);
- return *this;
- }
-
- inline bcd& _RTLENTRY bcd::operator*=(const bcd &b)
- {
- __bcd_todecimal(real(*this)*real(b),_BcdMaxDecimals,this);
- return *this;
- }
-
- inline bcd& _RTLENTRY bcd::operator*=(long double b)
- {
- __bcd_todecimal(real(*this)*b,_BcdMaxDecimals,this);
- return *this;
- }
-
- inline bcd& _RTLENTRY bcd::operator/=(const bcd &b)
- {
- __bcd_todecimal(real(*this)/real(b),_BcdMaxDecimals,this);
- return *this;
- }
-
- inline bcd& _RTLENTRY bcd::operator/=(long double b)
- {
- __bcd_todecimal(real(*this)/b,_BcdMaxDecimals,this);
- return *this;
- }
-
-
- // Definitions of non-member binary operator functions
-
- inline bcd _RTLENTRY operator+(const bcd &a, const bcd &b)
- {
- return bcd(real(a) + real(b));
- }
-
- inline bcd _RTLENTRY operator+(long double a, const bcd &b)
- {
- return bcd(a + real(b));
- }
-
- inline bcd _RTLENTRY operator+(const bcd &a, long double b)
- {
- return bcd(real(a) + b);
- }
-
- inline bcd _RTLENTRY operator-(const bcd &a, const bcd &b)
- {
- return bcd(real(a) - real(b));
- }
-
- inline bcd _RTLENTRY operator-(long double a, const bcd &b)
- {
- return bcd(a - real(b));
- }
-
- inline bcd _RTLENTRY operator-(const bcd &a, long double b)
- {
- return bcd(real(a) - b);
- }
-
- inline bcd _RTLENTRY operator*(const bcd &a, const bcd &b)
- {
- return bcd(real(a) * real(b));
- }
-
- inline bcd _RTLENTRY operator*(const bcd &a, long double b)
- {
- return bcd(real(a) * b);
- }
-
- inline bcd _RTLENTRY operator*(long double a, const bcd &b)
- {
- return bcd(a * real(b));
- }
-
- inline bcd _RTLENTRY operator/(const bcd &a, const bcd &b)
- {
- return bcd(real(a) / real(b));
- }
-
- inline bcd _RTLENTRY operator/(long double a, const bcd &b)
- {
- return bcd(a / real(b));
- }
-
- inline bcd _RTLENTRY operator/(const bcd &a, long double b)
- {
- return bcd(real(a) / b);
- }
-
- inline int _RTLENTRY operator==(const bcd &a, const bcd &b)
- {
- return real(a) == real(b);
- }
-
- inline int _RTLENTRY operator!=(const bcd &a, const bcd &b)
- {
- return real(a) != real(b);
- }
-
- inline int _RTLENTRY operator>=(const bcd &a, const bcd &b)
- {
- return real(a) >= real(b);
- }
-
- inline int _RTLENTRY operator<=(const bcd &a, const bcd &b)
- {
- return real(a) <= real(b);
- }
-
- inline int _RTLENTRY operator>(const bcd &a, const bcd &b)
- {
- return real(a) > real(b);
- }
-
- inline int _RTLENTRY operator<(const bcd &a, const bcd &b)
- {
- return real(a) < real(b);
- }
-
- inline bcd _RTLENTRY bcd::operator+()
- {
- return *this;
- }
-
- inline bcd _RTLENTRY bcd::operator-()
- {
- return bcd(-real(*this));
- }
-
- inline bcd _RTLENTRY abs(const bcd& a) { return bcd(fabs(real(a)));}
- inline bcd _RTLENTRY acos(const bcd& a) { return bcd(acos(real(a)));}
- inline bcd _RTLENTRY asin(const bcd& a) { return bcd(asin(real(a)));}
- inline bcd _RTLENTRY atan(const bcd& a) { return bcd(atan(real(a)));}
- inline bcd _RTLENTRY cos(const bcd& a) { return bcd(cos(real(a)));}
- inline bcd _RTLENTRY cosh(const bcd& a) { return bcd(cosh(real(a)));}
- inline bcd _RTLENTRY exp(const bcd& a) { return bcd(exp(real(a)));}
- inline bcd _RTLENTRY log(const bcd& a) { return bcd(log(real(a)));}
- inline bcd _RTLENTRY log10(const bcd& a) { return bcd(__bcd_log10(&a));}
- inline bcd _RTLENTRY sin(const bcd& a) { return bcd(sin(real(a)));}
- inline bcd _RTLENTRY sinh(const bcd& a) { return bcd(sinh(real(a)));}
- inline bcd _RTLENTRY sqrt(const bcd& a) { return bcd(sqrt(real(a)));}
- inline bcd _RTLENTRY tan(const bcd& a) { return bcd(tan(real(a)));}
- inline bcd _RTLENTRY tanh(const bcd& a) { return bcd(tanh(real(a)));}
-
- inline bcd _RTLENTRY pow(const bcd& a, const bcd& b) { return bcd(pow(real(a),real(b)));}
- inline void _RTLENTRY pow10(int n, bcd& a) { __bcd_pow10(n,&a);}
-
- // bcd stream I/O
-
- std::ostream & _RTLENTRY _EXPFUNC operator<<(std::ostream &, const bcd &);
- std::istream & _RTLENTRY _EXPFUNC operator>>(std::istream &, bcd &);
-
-
- #if !defined(RC_INVOKED)
-
- #if defined(__STDC__)
- #pragma warn .nak
- #endif
-
- /* restore default packing */
- #pragma pack(pop)
-
- #endif /* !RC_INVOKED */
-
- #endif // __BCD_H
-