--- /dev/null
+// <decimal> -*- C++ -*-
+
+// Copyright (C) 2009, 2010, 2011 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
+ * This is a Standard C++ Library header.
+ */
+
+// ISO/IEC TR 24733
+// Written by Janis Johnson <janis187@us.ibm.com>
+
+#ifndef _GLIBCXX_DECIMAL
+#define _GLIBCXX_DECIMAL 1
+
+#pragma GCC system_header
+
+#include <bits/c++config.h>
+
+#ifndef _GLIBCXX_USE_DECIMAL_FLOAT
+#error This file requires compiler and library support for ISO/IEC TR 24733 \
+that is currently not available.
+#endif
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+ /**
+ * @defgroup decimal Decimal Floating-Point Arithmetic
+ * @ingroup numerics
+ *
+ * Classes and functions for decimal floating-point arithmetic.
+ * @{
+ */
+
+ /** @namespace std::decimal
+ * @brief ISO/IEC TR 24733 Decimal floating-point arithmetic.
+ */
+namespace decimal
+{
+ _GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+ class decimal32;
+ class decimal64;
+ class decimal128;
+
+ // 3.2.5 Initialization from coefficient and exponent.
+ static decimal32 make_decimal32(long long __coeff, int __exp);
+ static decimal32 make_decimal32(unsigned long long __coeff, int __exp);
+ static decimal64 make_decimal64(long long __coeff, int __exp);
+ static decimal64 make_decimal64(unsigned long long __coeff, int __exp);
+ static decimal128 make_decimal128(long long __coeff, int __exp);
+ static decimal128 make_decimal128(unsigned long long __coeff, int __exp);
+
+ /// Non-conforming extension: Conversion to integral type.
+ long long decimal32_to_long_long(decimal32 __d);
+ long long decimal64_to_long_long(decimal64 __d);
+ long long decimal128_to_long_long(decimal128 __d);
+ long long decimal_to_long_long(decimal32 __d);
+ long long decimal_to_long_long(decimal64 __d);
+ long long decimal_to_long_long(decimal128 __d);
+
+ // 3.2.6 Conversion to generic floating-point type.
+ float decimal32_to_float(decimal32 __d);
+ float decimal64_to_float(decimal64 __d);
+ float decimal128_to_float(decimal128 __d);
+ float decimal_to_float(decimal32 __d);
+ float decimal_to_float(decimal64 __d);
+ float decimal_to_float(decimal128 __d);
+
+ double decimal32_to_double(decimal32 __d);
+ double decimal64_to_double(decimal64 __d);
+ double decimal128_to_double(decimal128 __d);
+ double decimal_to_double(decimal32 __d);
+ double decimal_to_double(decimal64 __d);
+ double decimal_to_double(decimal128 __d);
+
+ long double decimal32_to_long_double(decimal32 __d);
+ long double decimal64_to_long_double(decimal64 __d);
+ long double decimal128_to_long_double(decimal128 __d);
+ long double decimal_to_long_double(decimal32 __d);
+ long double decimal_to_long_double(decimal64 __d);
+ long double decimal_to_long_double(decimal128 __d);
+
+ // 3.2.7 Unary arithmetic operators.
+ decimal32 operator+(decimal32 __rhs);
+ decimal64 operator+(decimal64 __rhs);
+ decimal128 operator+(decimal128 __rhs);
+ decimal32 operator-(decimal32 __rhs);
+ decimal64 operator-(decimal64 __rhs);
+ decimal128 operator-(decimal128 __rhs);
+
+ // 3.2.8 Binary arithmetic operators.
+#define _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(_Op, _T1, _T2, _T3) \
+ _T1 operator _Op(_T2 __lhs, _T3 __rhs);
+#define _DECLARE_DECIMAL_BINARY_OP_WITH_INT(_Op, _Tp) \
+ _Tp operator _Op(_Tp __lhs, int __rhs); \
+ _Tp operator _Op(_Tp __lhs, unsigned int __rhs); \
+ _Tp operator _Op(_Tp __lhs, long __rhs); \
+ _Tp operator _Op(_Tp __lhs, unsigned long __rhs); \
+ _Tp operator _Op(_Tp __lhs, long long __rhs); \
+ _Tp operator _Op(_Tp __lhs, unsigned long long __rhs); \
+ _Tp operator _Op(int __lhs, _Tp __rhs); \
+ _Tp operator _Op(unsigned int __lhs, _Tp __rhs); \
+ _Tp operator _Op(long __lhs, _Tp __rhs); \
+ _Tp operator _Op(unsigned long __lhs, _Tp __rhs); \
+ _Tp operator _Op(long long __lhs, _Tp __rhs); \
+ _Tp operator _Op(unsigned long long __lhs, _Tp __rhs);
+
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal32, decimal32, decimal32)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_INT(+, decimal32)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal64, decimal32, decimal64)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal64, decimal64, decimal32)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal64, decimal64, decimal64)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_INT(+, decimal64)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal128, decimal32, decimal128)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal128, decimal64, decimal128)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal128, decimal128, decimal32)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal128, decimal128, decimal64)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal128, decimal128, decimal128)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_INT(+, decimal128)
+
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal32, decimal32, decimal32)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_INT(-, decimal32)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal64, decimal32, decimal64)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal64, decimal64, decimal32)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal64, decimal64, decimal64)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_INT(-, decimal64)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal128, decimal32, decimal128)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal128, decimal64, decimal128)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal128, decimal128, decimal32)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal128, decimal128, decimal64)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal128, decimal128, decimal128)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_INT(-, decimal128)
+
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal32, decimal32, decimal32)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_INT(*, decimal32)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal64, decimal32, decimal64)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal64, decimal64, decimal32)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal64, decimal64, decimal64)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_INT(*, decimal64)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal128, decimal32, decimal128)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal128, decimal64, decimal128)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal128, decimal128, decimal32)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal128, decimal128, decimal64)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal128, decimal128, decimal128)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_INT(*, decimal128)
+
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal32, decimal32, decimal32)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_INT(/, decimal32)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal64, decimal32, decimal64)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal64, decimal64, decimal32)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal64, decimal64, decimal64)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_INT(/, decimal64)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal128, decimal32, decimal128)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal128, decimal64, decimal128)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal128, decimal128, decimal32)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal128, decimal128, decimal64)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal128, decimal128, decimal128)
+ _DECLARE_DECIMAL_BINARY_OP_WITH_INT(/, decimal128)
+
+#undef _DECLARE_DECIMAL_BINARY_OP_WITH_DEC
+#undef _DECLARE_DECIMAL_BINARY_OP_WITH_INT
+
+ // 3.2.9 Comparison operators.
+#define _DECLARE_DECIMAL_COMPARISON(_Op, _Tp) \
+ bool operator _Op(_Tp __lhs, decimal32 __rhs); \
+ bool operator _Op(_Tp __lhs, decimal64 __rhs); \
+ bool operator _Op(_Tp __lhs, decimal128 __rhs); \
+ bool operator _Op(_Tp __lhs, int __rhs); \
+ bool operator _Op(_Tp __lhs, unsigned int __rhs); \
+ bool operator _Op(_Tp __lhs, long __rhs); \
+ bool operator _Op(_Tp __lhs, unsigned long __rhs); \
+ bool operator _Op(_Tp __lhs, long long __rhs); \
+ bool operator _Op(_Tp __lhs, unsigned long long __rhs); \
+ bool operator _Op(int __lhs, _Tp __rhs); \
+ bool operator _Op(unsigned int __lhs, _Tp __rhs); \
+ bool operator _Op(long __lhs, _Tp __rhs); \
+ bool operator _Op(unsigned long __lhs, _Tp __rhs); \
+ bool operator _Op(long long __lhs, _Tp __rhs); \
+ bool operator _Op(unsigned long long __lhs, _Tp __rhs);
+
+ _DECLARE_DECIMAL_COMPARISON(==, decimal32)
+ _DECLARE_DECIMAL_COMPARISON(==, decimal64)
+ _DECLARE_DECIMAL_COMPARISON(==, decimal128)
+
+ _DECLARE_DECIMAL_COMPARISON(!=, decimal32)
+ _DECLARE_DECIMAL_COMPARISON(!=, decimal64)
+ _DECLARE_DECIMAL_COMPARISON(!=, decimal128)
+
+ _DECLARE_DECIMAL_COMPARISON(<, decimal32)
+ _DECLARE_DECIMAL_COMPARISON(<, decimal64)
+ _DECLARE_DECIMAL_COMPARISON(<, decimal128)
+
+ _DECLARE_DECIMAL_COMPARISON(>=, decimal32)
+ _DECLARE_DECIMAL_COMPARISON(>=, decimal64)
+ _DECLARE_DECIMAL_COMPARISON(>=, decimal128)
+
+ _DECLARE_DECIMAL_COMPARISON(>, decimal32)
+ _DECLARE_DECIMAL_COMPARISON(>, decimal64)
+ _DECLARE_DECIMAL_COMPARISON(>, decimal128)
+
+ _DECLARE_DECIMAL_COMPARISON(>=, decimal32)
+ _DECLARE_DECIMAL_COMPARISON(>=, decimal64)
+ _DECLARE_DECIMAL_COMPARISON(>=, decimal128)
+
+#undef _DECLARE_DECIMAL_COMPARISON
+
+ /// 3.2.2 Class decimal32.
+ class decimal32
+ {
+ public:
+ typedef float __decfloat32 __attribute__((mode(SD)));
+
+ // 3.2.2.2 Construct/copy/destroy.
+ decimal32() : __val(0.e-101DF) {}
+
+ // 3.2.2.3 Conversion from floating-point type.
+ explicit decimal32(decimal64 __d64);
+ explicit decimal32(decimal128 __d128);
+ explicit decimal32(float __r) : __val(__r) {}
+ explicit decimal32(double __r) : __val(__r) {}
+ explicit decimal32(long double __r) : __val(__r) {}
+
+ // 3.2.2.4 Conversion from integral type.
+ decimal32(int __z) : __val(__z) {}
+ decimal32(unsigned int __z) : __val(__z) {}
+ decimal32(long __z) : __val(__z) {}
+ decimal32(unsigned long __z) : __val(__z) {}
+ decimal32(long long __z) : __val(__z) {}
+ decimal32(unsigned long long __z) : __val(__z) {}
+
+ /// Conforming extension: Conversion from scalar decimal type.
+ decimal32(__decfloat32 __z) : __val(__z) {}
+
+ // 3.2.2.5 Conversion to integral type. (DISABLED)
+ //operator long long() const { return (long long)__val; }
+
+ // 3.2.2.6 Increment and decrement operators.
+ decimal32& operator++()
+ {
+ __val += 1;
+ return *this;
+ }
+
+ decimal32 operator++(int)
+ {
+ decimal32 __tmp = *this;
+ __val += 1;
+ return __tmp;
+ }
+
+ decimal32& operator--()
+ {
+ __val -= 1;
+ return *this;
+ }
+
+ decimal32 operator--(int)
+ {
+ decimal32 __tmp = *this;
+ __val -= 1;
+ return __tmp;
+ }
+
+ // 3.2.2.7 Compound assignment.
+#define _DECLARE_DECIMAL32_COMPOUND_ASSIGNMENT(_Op) \
+ decimal32& operator _Op(decimal32 __rhs); \
+ decimal32& operator _Op(decimal64 __rhs); \
+ decimal32& operator _Op(decimal128 __rhs); \
+ decimal32& operator _Op(int __rhs); \
+ decimal32& operator _Op(unsigned int __rhs); \
+ decimal32& operator _Op(long __rhs); \
+ decimal32& operator _Op(unsigned long __rhs); \
+ decimal32& operator _Op(long long __rhs); \
+ decimal32& operator _Op(unsigned long long __rhs);
+
+ _DECLARE_DECIMAL32_COMPOUND_ASSIGNMENT(+=)
+ _DECLARE_DECIMAL32_COMPOUND_ASSIGNMENT(-=)
+ _DECLARE_DECIMAL32_COMPOUND_ASSIGNMENT(*=)
+ _DECLARE_DECIMAL32_COMPOUND_ASSIGNMENT(/=)
+#undef _DECLARE_DECIMAL32_COMPOUND_ASSIGNMENT
+
+ private:
+ __decfloat32 __val;
+
+ public:
+ __decfloat32 __getval(void) { return __val; }
+ void __setval(__decfloat32 __x) { __val = __x; }
+ };
+
+ /// 3.2.3 Class decimal64.
+ class decimal64
+ {
+ public:
+ typedef float __decfloat64 __attribute__((mode(DD)));
+
+ // 3.2.3.2 Construct/copy/destroy.
+ decimal64() : __val(0.e-398dd) {}
+
+ // 3.2.3.3 Conversion from floating-point type.
+ decimal64(decimal32 d32);
+ explicit decimal64(decimal128 d128);
+ explicit decimal64(float __r) : __val(__r) {}
+ explicit decimal64(double __r) : __val(__r) {}
+ explicit decimal64(long double __r) : __val(__r) {}
+
+ // 3.2.3.4 Conversion from integral type.
+ decimal64(int __z) : __val(__z) {}
+ decimal64(unsigned int __z) : __val(__z) {}
+ decimal64(long __z) : __val(__z) {}
+ decimal64(unsigned long __z) : __val(__z) {}
+ decimal64(long long __z) : __val(__z) {}
+ decimal64(unsigned long long __z) : __val(__z) {}
+
+ /// Conforming extension: Conversion from scalar decimal type.
+ decimal64(__decfloat64 __z) : __val(__z) {}
+
+ // 3.2.3.5 Conversion to integral type. (DISABLED)
+ //operator long long() const { return (long long)__val; }
+
+ // 3.2.3.6 Increment and decrement operators.
+ decimal64& operator++()
+ {
+ __val += 1;
+ return *this;
+ }
+
+ decimal64 operator++(int)
+ {
+ decimal64 __tmp = *this;
+ __val += 1;
+ return __tmp;
+ }
+
+ decimal64& operator--()
+ {
+ __val -= 1;
+ return *this;
+ }
+
+ decimal64 operator--(int)
+ {
+ decimal64 __tmp = *this;
+ __val -= 1;
+ return __tmp;
+ }
+
+ // 3.2.3.7 Compound assignment.
+#define _DECLARE_DECIMAL64_COMPOUND_ASSIGNMENT(_Op) \
+ decimal64& operator _Op(decimal32 __rhs); \
+ decimal64& operator _Op(decimal64 __rhs); \
+ decimal64& operator _Op(decimal128 __rhs); \
+ decimal64& operator _Op(int __rhs); \
+ decimal64& operator _Op(unsigned int __rhs); \
+ decimal64& operator _Op(long __rhs); \
+ decimal64& operator _Op(unsigned long __rhs); \
+ decimal64& operator _Op(long long __rhs); \
+ decimal64& operator _Op(unsigned long long __rhs);
+
+ _DECLARE_DECIMAL64_COMPOUND_ASSIGNMENT(+=)
+ _DECLARE_DECIMAL64_COMPOUND_ASSIGNMENT(-=)
+ _DECLARE_DECIMAL64_COMPOUND_ASSIGNMENT(*=)
+ _DECLARE_DECIMAL64_COMPOUND_ASSIGNMENT(/=)
+#undef _DECLARE_DECIMAL64_COMPOUND_ASSIGNMENT
+
+ private:
+ __decfloat64 __val;
+
+ public:
+ __decfloat64 __getval(void) { return __val; }
+ void __setval(__decfloat64 __x) { __val = __x; }
+ };
+
+ /// 3.2.4 Class decimal128.
+ class decimal128
+ {
+ public:
+ typedef float __decfloat128 __attribute__((mode(TD)));
+
+ // 3.2.4.2 Construct/copy/destroy.
+ decimal128() : __val(0.e-6176DL) {}
+
+ // 3.2.4.3 Conversion from floating-point type.
+ decimal128(decimal32 d32);
+ decimal128(decimal64 d64);
+ explicit decimal128(float __r) : __val(__r) {}
+ explicit decimal128(double __r) : __val(__r) {}
+ explicit decimal128(long double __r) : __val(__r) {}
+
+
+ // 3.2.4.4 Conversion from integral type.
+ decimal128(int __z) : __val(__z) {}
+ decimal128(unsigned int __z) : __val(__z) {}
+ decimal128(long __z) : __val(__z) {}
+ decimal128(unsigned long __z) : __val(__z) {}
+ decimal128(long long __z) : __val(__z) {}
+ decimal128(unsigned long long __z) : __val(__z) {}
+
+ /// Conforming extension: Conversion from scalar decimal type.
+ decimal128(__decfloat128 __z) : __val(__z) {}
+
+ // 3.2.4.5 Conversion to integral type. (DISABLED)
+ //operator long long() const { return (long long)__val; }
+
+ // 3.2.4.6 Increment and decrement operators.
+ decimal128& operator++()
+ {
+ __val += 1;
+ return *this;
+ }
+
+ decimal128 operator++(int)
+ {
+ decimal128 __tmp = *this;
+ __val += 1;
+ return __tmp;
+ }
+
+ decimal128& operator--()
+ {
+ __val -= 1;
+ return *this;
+ }
+
+ decimal128 operator--(int)
+ {
+ decimal128 __tmp = *this;
+ __val -= 1;
+ return __tmp;
+ }
+
+ // 3.2.4.7 Compound assignment.
+#define _DECLARE_DECIMAL128_COMPOUND_ASSIGNMENT(_Op) \
+ decimal128& operator _Op(decimal32 __rhs); \
+ decimal128& operator _Op(decimal64 __rhs); \
+ decimal128& operator _Op(decimal128 __rhs); \
+ decimal128& operator _Op(int __rhs); \
+ decimal128& operator _Op(unsigned int __rhs); \
+ decimal128& operator _Op(long __rhs); \
+ decimal128& operator _Op(unsigned long __rhs); \
+ decimal128& operator _Op(long long __rhs); \
+ decimal128& operator _Op(unsigned long long __rhs);
+
+ _DECLARE_DECIMAL128_COMPOUND_ASSIGNMENT(+=)
+ _DECLARE_DECIMAL128_COMPOUND_ASSIGNMENT(-=)
+ _DECLARE_DECIMAL128_COMPOUND_ASSIGNMENT(*=)
+ _DECLARE_DECIMAL128_COMPOUND_ASSIGNMENT(/=)
+#undef _DECLARE_DECIMAL128_COMPOUND_ASSIGNMENT
+
+ private:
+ __decfloat128 __val;
+
+ public:
+ __decfloat128 __getval(void) { return __val; }
+ void __setval(__decfloat128 __x) { __val = __x; }
+ };
+
+#define _GLIBCXX_USE_DECIMAL_ 1
+
+ _GLIBCXX_END_NAMESPACE_VERSION
+} // namespace decimal
+ // @} group decimal
+} // namespace std
+
+#include <decimal/decimal.h>
+
+#endif /* _GLIBCXX_DECIMAL */
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