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// decimal classes -*- C++ -*-
// Copyright (C) 2009-2017 Free Software Foundation, Inc.
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
/** @file decimal/decimal.h
* This is an internal header file, included by other library headers.
* Do not attempt to use it directly. @headername{decimal}
*/
// ISO/IEC TR 24733
// Written by Janis Johnson <janis187@us.ibm.com>
#ifndef _GLIBCXX_DECIMAL_IMPL
#define _GLIBCXX_DECIMAL_IMPL 1
#pragma GCC system_header
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
namespace decimal
{
// ISO/IEC TR 24733 3.2.[234].1 Construct/copy/destroy.
inline decimal32::decimal32(decimal64 __r) : __val(__r.__getval()) {}
inline decimal32::decimal32(decimal128 __r) : __val(__r.__getval()) {}
inline decimal64::decimal64(decimal32 __r) : __val(__r.__getval()) {}
inline decimal64::decimal64(decimal128 __r) : __val(__r.__getval()) {}
inline decimal128::decimal128(decimal32 __r) : __val(__r.__getval()) {}
inline decimal128::decimal128(decimal64 __r) : __val(__r.__getval()) {}
// ISO/IEC TR 24733 3.2.[234].6 Compound assignment.
#define _DEFINE_DECIMAL_COMPOUND_ASSIGNMENT_DEC(_Op1, _Op2, _T1, _T2) \
inline _T1& _T1::operator _Op1(_T2 __rhs) \
{ \
__setval(__getval() _Op2 __rhs.__getval()); \
return *this; \
}
#define _DEFINE_DECIMAL_COMPOUND_ASSIGNMENT_INT(_Op1, _Op2, _T1, _T2) \
inline _T1& _T1::operator _Op1(_T2 __rhs) \
{ \
__setval(__getval() _Op2 __rhs); \
return *this; \
}
#define _DEFINE_DECIMAL_COMPOUND_ASSIGNMENTS(_Op1, _Op2, _T1) \
_DEFINE_DECIMAL_COMPOUND_ASSIGNMENT_DEC(_Op1, _Op2, _T1, decimal32) \
_DEFINE_DECIMAL_COMPOUND_ASSIGNMENT_DEC(_Op1, _Op2, _T1, decimal64) \
_DEFINE_DECIMAL_COMPOUND_ASSIGNMENT_DEC(_Op1, _Op2, _T1, decimal128) \
_DEFINE_DECIMAL_COMPOUND_ASSIGNMENT_INT(_Op1, _Op2, _T1, int) \
_DEFINE_DECIMAL_COMPOUND_ASSIGNMENT_INT(_Op1, _Op2, _T1, unsigned int) \
_DEFINE_DECIMAL_COMPOUND_ASSIGNMENT_INT(_Op1, _Op2, _T1, long) \
_DEFINE_DECIMAL_COMPOUND_ASSIGNMENT_INT(_Op1, _Op2, _T1, unsigned long)\
_DEFINE_DECIMAL_COMPOUND_ASSIGNMENT_INT(_Op1, _Op2, _T1, long long) \
_DEFINE_DECIMAL_COMPOUND_ASSIGNMENT_INT(_Op1, _Op2, _T1, unsigned long long)
_DEFINE_DECIMAL_COMPOUND_ASSIGNMENTS(+=, +, decimal32)
_DEFINE_DECIMAL_COMPOUND_ASSIGNMENTS(-=, -, decimal32)
_DEFINE_DECIMAL_COMPOUND_ASSIGNMENTS(*=, *, decimal32)
_DEFINE_DECIMAL_COMPOUND_ASSIGNMENTS(/=, /, decimal32)
_DEFINE_DECIMAL_COMPOUND_ASSIGNMENTS(+=, +, decimal64)
_DEFINE_DECIMAL_COMPOUND_ASSIGNMENTS(-=, -, decimal64)
_DEFINE_DECIMAL_COMPOUND_ASSIGNMENTS(*=, *, decimal64)
_DEFINE_DECIMAL_COMPOUND_ASSIGNMENTS(/=, /, decimal64)
_DEFINE_DECIMAL_COMPOUND_ASSIGNMENTS(+=, +, decimal128)
_DEFINE_DECIMAL_COMPOUND_ASSIGNMENTS(-=, -, decimal128)
_DEFINE_DECIMAL_COMPOUND_ASSIGNMENTS(*=, *, decimal128)
_DEFINE_DECIMAL_COMPOUND_ASSIGNMENTS(/=, /, decimal128)
#undef _DEFINE_DECIMAL_COMPOUND_ASSIGNMENT_DEC
#undef _DEFINE_DECIMAL_COMPOUND_ASSIGNMENT_INT
#undef _DEFINE_DECIMAL_COMPOUND_ASSIGNMENTS
// Extension: Conversion to integral type.
inline long long decimal32_to_long_long(decimal32 __d)
{ return (long long)__d.__getval(); }
inline long long decimal64_to_long_long(decimal64 __d)
{ return (long long)__d.__getval(); }
inline long long decimal128_to_long_long(decimal128 __d)
{ return (long long)__d.__getval(); }
inline long long decimal_to_long_long(decimal32 __d)
{ return (long long)__d.__getval(); }
inline long long decimal_to_long_long(decimal64 __d)
{ return (long long)__d.__getval(); }
inline long long decimal_to_long_long(decimal128 __d)
{ return (long long)__d.__getval(); }
// ISO/IEC TR 24733 3.2.5 Initialization from coefficient and exponent.
static decimal32 make_decimal32(long long __coeff, int __exponent)
{
decimal32 __decexp = 1, __multiplier;
if (__exponent < 0)
{
__multiplier = 1.E-1DF;
__exponent = -__exponent;
}
else
__multiplier = 1.E1DF;
for (int __i = 0; __i < __exponent; ++__i)
__decexp *= __multiplier;
return __coeff * __decexp;
}
static decimal32 make_decimal32(unsigned long long __coeff, int __exponent)
{
decimal32 __decexp = 1, __multiplier;
if (__exponent < 0)
{
__multiplier = 1.E-1DF;
__exponent = -__exponent;
}
else
__multiplier = 1.E1DF;
for (int __i = 0; __i < __exponent; ++__i)
__decexp *= __multiplier;
return __coeff * __decexp;
}
static decimal64 make_decimal64(long long __coeff, int __exponent)
{
decimal64 __decexp = 1, __multiplier;
if (__exponent < 0)
{
__multiplier = 1.E-1DD;
__exponent = -__exponent;
}
else
__multiplier = 1.E1DD;
for (int __i = 0; __i < __exponent; ++__i)
__decexp *= __multiplier;
return __coeff * __decexp;
}
static decimal64 make_decimal64(unsigned long long __coeff, int __exponent)
{
decimal64 __decexp = 1, __multiplier;
if (__exponent < 0)
{
__multiplier = 1.E-1DD;
__exponent = -__exponent;
}
else
__multiplier = 1.E1DD;
for (int __i = 0; __i < __exponent; ++__i)
__decexp *= __multiplier;
return __coeff * __decexp;
}
static decimal128 make_decimal128(long long __coeff, int __exponent)
{
decimal128 __decexp = 1, __multiplier;
if (__exponent < 0)
{
__multiplier = 1.E-1DL;
__exponent = -__exponent;
}
else
__multiplier = 1.E1DL;
for (int __i = 0; __i < __exponent; ++__i)
__decexp *= __multiplier;
return __coeff * __decexp;
}
static decimal128 make_decimal128(unsigned long long __coeff, int __exponent)
{
decimal128 __decexp = 1, __multiplier;
if (__exponent < 0)
{
__multiplier = 1.E-1DL;
__exponent = -__exponent;
}
else
__multiplier = 1.E1DL;
for (int __i = 0; __i < __exponent; ++__i)
__decexp *= __multiplier;
return __coeff * __decexp;
}
// ISO/IEC TR 24733 3.2.6 Conversion to generic floating-point type.
inline float decimal32_to_float(decimal32 __d)
{ return (float)__d.__getval(); }
inline float decimal64_to_float(decimal64 __d)
{ return (float)__d.__getval(); }
inline float decimal128_to_float(decimal128 __d)
{ return (float)__d.__getval(); }
inline float decimal_to_float(decimal32 __d)
{ return (float)__d.__getval(); }
inline float decimal_to_float(decimal64 __d)
{ return (float)__d.__getval(); }
inline float decimal_to_float(decimal128 __d)
{ return (float)__d.__getval(); }
inline double decimal32_to_double(decimal32 __d)
{ return (double)__d.__getval(); }
inline double decimal64_to_double(decimal64 __d)
{ return (double)__d.__getval(); }
inline double decimal128_to_double(decimal128 __d)
{ return (double)__d.__getval(); }
inline double decimal_to_double(decimal32 __d)
{ return (double)__d.__getval(); }
inline double decimal_to_double(decimal64 __d)
{ return (double)__d.__getval(); }
inline double decimal_to_double(decimal128 __d)
{ return (double)__d.__getval(); }
inline long double decimal32_to_long_double(decimal32 __d)
{ return (long double)__d.__getval(); }
inline long double decimal64_to_long_double(decimal64 __d)
{ return (long double)__d.__getval(); }
inline long double decimal128_to_long_double(decimal128 __d)
{ return (long double)__d.__getval(); }
inline long double decimal_to_long_double(decimal32 __d)
{ return (long double)__d.__getval(); }
inline long double decimal_to_long_double(decimal64 __d)
{ return (long double)__d.__getval(); }
inline long double decimal_to_long_double(decimal128 __d)
{ return (long double)__d.__getval(); }
// ISO/IEC TR 24733 3.2.7 Unary arithmetic operators.
#define _DEFINE_DECIMAL_UNARY_OP(_Op, _Tp) \
inline _Tp operator _Op(_Tp __rhs) \
{ \
_Tp __tmp; \
__tmp.__setval(_Op __rhs.__getval()); \
return __tmp; \
}
_DEFINE_DECIMAL_UNARY_OP(+, decimal32)
_DEFINE_DECIMAL_UNARY_OP(+, decimal64)
_DEFINE_DECIMAL_UNARY_OP(+, decimal128)
_DEFINE_DECIMAL_UNARY_OP(-, decimal32)
_DEFINE_DECIMAL_UNARY_OP(-, decimal64)
_DEFINE_DECIMAL_UNARY_OP(-, decimal128)
#undef _DEFINE_DECIMAL_UNARY_OP
// ISO/IEC TR 24733 3.2.8 Binary arithmetic operators.
#define _DEFINE_DECIMAL_BINARY_OP_WITH_DEC(_Op, _T1, _T2, _T3) \
inline _T1 operator _Op(_T2 __lhs, _T3 __rhs) \
{ \
_T1 __retval; \
__retval.__setval(__lhs.__getval() _Op __rhs.__getval()); \
return __retval; \
}
#define _DEFINE_DECIMAL_BINARY_OP_BOTH(_Op, _T1, _T2, _T3) \
inline _T1 operator _Op(_T2 __lhs, _T3 __rhs) \
{ \
_T1 __retval; \
__retval.__setval(__lhs.__getval() _Op __rhs.__getval()); \
return __retval; \
}
#define _DEFINE_DECIMAL_BINARY_OP_LHS(_Op, _T1, _T2) \
inline _T1 operator _Op(_T1 __lhs, _T2 __rhs) \
{ \
_T1 __retval; \
__retval.__setval(__lhs.__getval() _Op __rhs); \
return __retval; \
}
#define _DEFINE_DECIMAL_BINARY_OP_RHS(_Op, _T1, _T2) \
inline _T1 operator _Op(_T2 __lhs, _T1 __rhs) \
{ \
_T1 __retval; \
__retval.__setval(__lhs _Op __rhs.__getval()); \
return __retval; \
}
#define _DEFINE_DECIMAL_BINARY_OP_WITH_INT(_Op, _T1) \
_DEFINE_DECIMAL_BINARY_OP_LHS(_Op, _T1, int); \
_DEFINE_DECIMAL_BINARY_OP_LHS(_Op, _T1, unsigned int); \
_DEFINE_DECIMAL_BINARY_OP_LHS(_Op, _T1, long); \
_DEFINE_DECIMAL_BINARY_OP_LHS(_Op, _T1, unsigned long); \
_DEFINE_DECIMAL_BINARY_OP_LHS(_Op, _T1, long long); \
_DEFINE_DECIMAL_BINARY_OP_LHS(_Op, _T1, unsigned long long); \
_DEFINE_DECIMAL_BINARY_OP_RHS(_Op, _T1, int); \
_DEFINE_DECIMAL_BINARY_OP_RHS(_Op, _T1, unsigned int); \
_DEFINE_DECIMAL_BINARY_OP_RHS(_Op, _T1, long); \
_DEFINE_DECIMAL_BINARY_OP_RHS(_Op, _T1, unsigned long); \
_DEFINE_DECIMAL_BINARY_OP_RHS(_Op, _T1, long long); \
_DEFINE_DECIMAL_BINARY_OP_RHS(_Op, _T1, unsigned long long); \
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal32, decimal32, decimal32)
_DEFINE_DECIMAL_BINARY_OP_WITH_INT(+, decimal32)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal64, decimal32, decimal64)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal64, decimal64, decimal32)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal64, decimal64, decimal64)
_DEFINE_DECIMAL_BINARY_OP_WITH_INT(+, decimal64)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal128, decimal32, decimal128)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal128, decimal64, decimal128)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal128, decimal128, decimal32)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal128, decimal128, decimal64)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal128, decimal128, decimal128)
_DEFINE_DECIMAL_BINARY_OP_WITH_INT(+, decimal128)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal32, decimal32, decimal32)
_DEFINE_DECIMAL_BINARY_OP_WITH_INT(-, decimal32)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal64, decimal32, decimal64)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal64, decimal64, decimal32)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal64, decimal64, decimal64)
_DEFINE_DECIMAL_BINARY_OP_WITH_INT(-, decimal64)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal128, decimal32, decimal128)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal128, decimal64, decimal128)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal128, decimal128, decimal32)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal128, decimal128, decimal64)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal128, decimal128, decimal128)
_DEFINE_DECIMAL_BINARY_OP_WITH_INT(-, decimal128)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal32, decimal32, decimal32)
_DEFINE_DECIMAL_BINARY_OP_WITH_INT(*, decimal32)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal64, decimal32, decimal64)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal64, decimal64, decimal32)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal64, decimal64, decimal64)
_DEFINE_DECIMAL_BINARY_OP_WITH_INT(*, decimal64)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal128, decimal32, decimal128)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal128, decimal64, decimal128)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal128, decimal128, decimal32)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal128, decimal128, decimal64)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal128, decimal128, decimal128)
_DEFINE_DECIMAL_BINARY_OP_WITH_INT(*, decimal128)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal32, decimal32, decimal32)
_DEFINE_DECIMAL_BINARY_OP_WITH_INT(/, decimal32)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal64, decimal32, decimal64)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal64, decimal64, decimal32)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal64, decimal64, decimal64)
_DEFINE_DECIMAL_BINARY_OP_WITH_INT(/, decimal64)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal128, decimal32, decimal128)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal128, decimal64, decimal128)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal128, decimal128, decimal32)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal128, decimal128, decimal64)
_DEFINE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal128, decimal128, decimal128)
_DEFINE_DECIMAL_BINARY_OP_WITH_INT(/, decimal128)
#undef _DEFINE_DECIMAL_BINARY_OP_WITH_DEC
#undef _DEFINE_DECIMAL_BINARY_OP_BOTH
#undef _DEFINE_DECIMAL_BINARY_OP_LHS
#undef _DEFINE_DECIMAL_BINARY_OP_RHS
#undef _DEFINE_DECIMAL_BINARY_OP_WITH_INT
// ISO/IEC TR 24733 3.2.9 Comparison operators.
#define _DEFINE_DECIMAL_COMPARISON_BOTH(_Op, _T1, _T2) \
inline bool operator _Op(_T1 __lhs, _T2 __rhs) \
{ return __lhs.__getval() _Op __rhs.__getval(); }
#define _DEFINE_DECIMAL_COMPARISON_LHS(_Op, _T1, _T2) \
inline bool operator _Op(_T1 __lhs, _T2 __rhs) \
{ return __lhs.__getval() _Op __rhs; }
#define _DEFINE_DECIMAL_COMPARISON_RHS(_Op, _T1, _T2) \
inline bool operator _Op(_T1 __lhs, _T2 __rhs) \
{ return __lhs _Op __rhs.__getval(); }
#define _DEFINE_DECIMAL_COMPARISONS(_Op, _Tp) \
_DEFINE_DECIMAL_COMPARISON_BOTH(_Op, _Tp, decimal32) \
_DEFINE_DECIMAL_COMPARISON_BOTH(_Op, _Tp, decimal64) \
_DEFINE_DECIMAL_COMPARISON_BOTH(_Op, _Tp, decimal128) \
_DEFINE_DECIMAL_COMPARISON_LHS(_Op, _Tp, int) \
_DEFINE_DECIMAL_COMPARISON_LHS(_Op, _Tp, unsigned int) \
_DEFINE_DECIMAL_COMPARISON_LHS(_Op, _Tp, long) \
_DEFINE_DECIMAL_COMPARISON_LHS(_Op, _Tp, unsigned long) \
_DEFINE_DECIMAL_COMPARISON_LHS(_Op, _Tp, long long) \
_DEFINE_DECIMAL_COMPARISON_LHS(_Op, _Tp, unsigned long long) \
_DEFINE_DECIMAL_COMPARISON_RHS(_Op, int, _Tp) \
_DEFINE_DECIMAL_COMPARISON_RHS(_Op, unsigned int, _Tp) \
_DEFINE_DECIMAL_COMPARISON_RHS(_Op, long, _Tp) \
_DEFINE_DECIMAL_COMPARISON_RHS(_Op, unsigned long, _Tp) \
_DEFINE_DECIMAL_COMPARISON_RHS(_Op, long long, _Tp) \
_DEFINE_DECIMAL_COMPARISON_RHS(_Op, unsigned long long, _Tp)
_DEFINE_DECIMAL_COMPARISONS(==, decimal32)
_DEFINE_DECIMAL_COMPARISONS(==, decimal64)
_DEFINE_DECIMAL_COMPARISONS(==, decimal128)
_DEFINE_DECIMAL_COMPARISONS(!=, decimal32)
_DEFINE_DECIMAL_COMPARISONS(!=, decimal64)
_DEFINE_DECIMAL_COMPARISONS(!=, decimal128)
_DEFINE_DECIMAL_COMPARISONS(<, decimal32)
_DEFINE_DECIMAL_COMPARISONS(<, decimal64)
_DEFINE_DECIMAL_COMPARISONS(<, decimal128)
_DEFINE_DECIMAL_COMPARISONS(<=, decimal32)
_DEFINE_DECIMAL_COMPARISONS(<=, decimal64)
_DEFINE_DECIMAL_COMPARISONS(<=, decimal128)
_DEFINE_DECIMAL_COMPARISONS(>, decimal32)
_DEFINE_DECIMAL_COMPARISONS(>, decimal64)
_DEFINE_DECIMAL_COMPARISONS(>, decimal128)
_DEFINE_DECIMAL_COMPARISONS(>=, decimal32)
_DEFINE_DECIMAL_COMPARISONS(>=, decimal64)
_DEFINE_DECIMAL_COMPARISONS(>=, decimal128)
#undef _DEFINE_DECIMAL_COMPARISON_BOTH
#undef _DEFINE_DECIMAL_COMPARISON_LHS
#undef _DEFINE_DECIMAL_COMPARISON_RHS
#undef _DEFINE_DECIMAL_COMPARISONS
} // namespace decimal
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace std
#endif /* _GLIBCXX_DECIMAL_IMPL */
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