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std_complex.h (std::complex<>::real): Return a reference.

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* include/std/std_complex.h (std::complex<>::real): Return a
        reference. Add non-const overload.
        (std::complex<>::real): Likewise.
        (std::real): Likewise.
        (std::imag): Likewise.
        (std::operator+): Tidy.
        (std::operator-): Likewise.
        (std::operator*): Likewise.
        (std::operator/): Likewise.
        (std::operator>>): Likewise.

From-SVN: r75680
This commit is contained in:
Gabriel Dos Reis 2004-01-11 16:15:42 +00:00 committed by Gabriel Dos Reis
parent 0bcf8261f4
commit 3b3bfc0eeb
2 changed files with 148 additions and 36 deletions
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13
libstdc++-v3/ChangeLog
View File

@ -1,3 +1,16 @@
2004-01-11 Gabriel Dos Reis <gdr@integrable-solutions.net>
* include/std/std_complex.h (std::complex<>::real): Return a
reference. Add non-const overload.
(std::complex<>::real): Likewise.
(std::real): Likewise.
(std::imag): Likewise.
(std::operator+): Tidy.
(std::operator-): Likewise.
(std::operator*): Likewise.
(std::operator/): Likewise.
(std::operator>>): Likewise.
2004-01-11 Paolo Carlini <pcarlini@suse.de>
PR libstdc++/13582

171
libstdc++-v3/include/std/std_complex.h
View File

@ -1,6 +1,6 @@
// The template and inlines for the -*- C++ -*- complex number classes.
// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
@ -96,9 +96,11 @@ namespace std
// complex (const complex<_Tp>&);
template<typename _Up>
complex(const complex<_Up>&);
_Tp real() const;
_Tp imag() const;
_Tp& real();
const _Tp& real() const;
_Tp& imag();
const _Tp& imag() const;
complex<_Tp>& operator=(const _Tp&);
complex<_Tp>& operator+=(const _Tp&);
@ -121,15 +123,24 @@ namespace std
complex<_Tp>& operator/=(const complex<_Up>&);
private:
_Tp _M_real, _M_imag;
_Tp _M_real;
_Tp _M_imag;
};
template<typename _Tp>
inline _Tp
inline _Tp&
complex<_Tp>::real() { return _M_real; }
template<typename _Tp>
inline const _Tp&
complex<_Tp>::real() const { return _M_real; }
template<typename _Tp>
inline _Tp
inline _Tp&
complex<_Tp>::imag() { return _M_imag; }
template<typename _Tp>
inline const _Tp&
complex<_Tp>::imag() const { return _M_imag; }
template<typename _Tp>
@ -253,62 +264,110 @@ namespace std
template<typename _Tp>
inline complex<_Tp>
operator+(const complex<_Tp>& __x, const complex<_Tp>& __y)
{ return complex<_Tp> (__x) += __y; }
{
complex<_Tp> __r = __x;
__r += __y;
return __r;
}
template<typename _Tp>
inline complex<_Tp>
operator+(const complex<_Tp>& __x, const _Tp& __y)
{ return complex<_Tp> (__x) += __y; }
{
complex<_Tp> __r = __x;
__r.real() += __y;
return __r;
}
template<typename _Tp>
inline complex<_Tp>
operator+(const _Tp& __x, const complex<_Tp>& __y)
{ return complex<_Tp> (__y) += __x; }
{
complex<_Tp> __r = __y;
__r.real() += __x;
return __r;
}
template<typename _Tp>
inline complex<_Tp>
operator-(const complex<_Tp>& __x, const complex<_Tp>& __y)
{ return complex<_Tp> (__x) -= __y; }
{
complex<_Tp> __r = __x;
__r -= __y;
return __r;
}
template<typename _Tp>
inline complex<_Tp>
operator-(const complex<_Tp>& __x, const _Tp& __y)
{ return complex<_Tp> (__x) -= __y; }
{
complex<_Tp> __r = __x;
__r.real() -= __y;
return __r;
}
template<typename _Tp>
inline complex<_Tp>
operator-(const _Tp& __x, const complex<_Tp>& __y)
{ return complex<_Tp> (__x) -= __y; }
{
complex<_Tp> __r(__x, -__y.imag());
__r.real() -= __y.real();
return __r;
}
template<typename _Tp>
inline complex<_Tp>
operator*(const complex<_Tp>& __x, const complex<_Tp>& __y)
{ return complex<_Tp> (__x) *= __y; }
{
complex<_Tp> __r = __x;
__r *= __y;
return __r;
}
template<typename _Tp>
inline complex<_Tp>
operator*(const complex<_Tp>& __x, const _Tp& __y)
{ return complex<_Tp> (__x) *= __y; }
{
complex<_Tp> __r = __x;
__r *= __y;
return __r;
}
template<typename _Tp>
inline complex<_Tp>
operator*(const _Tp& __x, const complex<_Tp>& __y)
{ return complex<_Tp> (__y) *= __x; }
{
complex<_Tp> __r = __y;
__r *= __x;
return __r;
}
template<typename _Tp>
inline complex<_Tp>
operator/(const complex<_Tp>& __x, const complex<_Tp>& __y)
{ return complex<_Tp> (__x) /= __y; }
{
complex<_Tp> __r = __x;
__r /= __y;
return __r;
}
template<typename _Tp>
inline complex<_Tp>
operator/(const complex<_Tp>& __x, const _Tp& __y)
{ return complex<_Tp> (__x) /= __y; }
{
complex<_Tp> __r = __x;
__r /= __y;
return __r;
}
template<typename _Tp>
inline complex<_Tp>
operator/(const _Tp& __x, const complex<_Tp>& __y)
{ return complex<_Tp> (__x) /= __y; }
{
complex<_Tp> __r = __x;
__r /= __y;
return __r;
}
template<typename _Tp>
inline complex<_Tp>
@ -369,7 +428,7 @@ namespace std
__is.setstate(ios_base::failbit);
}
else if (__ch == ')')
__x = complex<_Tp>(__re_x, _Tp(0));
__x = __re_x;
else
__is.setstate(ios_base::failbit);
}
@ -377,7 +436,7 @@ namespace std
{
__is.putback(__ch);
__is >> __re_x;
__x = complex<_Tp>(__re_x, _Tp(0));
__x = __re_x;
}
return __is;
}
@ -396,12 +455,22 @@ namespace std
// Values
template<typename _Tp>
inline _Tp
inline _Tp&
real(complex<_Tp>& __z)
{ return __z.real(); }
template<typename _Tp>
inline const _Tp&
real(const complex<_Tp>& __z)
{ return __z.real(); }
template<typename _Tp>
inline _Tp
inline _Tp&
imag(complex<_Tp>& __z)
{ return __z.imag(); }
template<typename _Tp>
inline const _Tp&
imag(const complex<_Tp>& __z)
{ return __z.imag(); }
@ -605,8 +674,10 @@ namespace std
explicit complex(const complex<double>&);
explicit complex(const complex<long double>&);
float real() const;
float imag() const;
float& real();
const float& real() const;
float& imag();
const float& imag() const;
complex<float>& operator=(float);
complex<float>& operator+=(float);
@ -638,11 +709,19 @@ namespace std
friend class complex<long double>;
};
inline float
inline float&
complex<float>::real()
{ return __real__ _M_value; }
inline const float&
complex<float>::real() const
{ return __real__ _M_value; }
inline float
inline float&
complex<float>::imag()
{ return __imag__ _M_value; }
inline const float&
complex<float>::imag() const
{ return __imag__ _M_value; }
@ -751,9 +830,11 @@ namespace std
#endif
complex(const complex<float>&);
explicit complex(const complex<long double>&);
double real() const;
double imag() const;
double& real();
const double& real() const;
double& imag();
const double& imag() const;
complex<double>& operator=(double);
complex<double>& operator+=(double);
@ -784,11 +865,19 @@ namespace std
friend class complex<long double>;
};
inline double
inline double&
complex<double>::real()
{ return __real__ _M_value; }
inline const double&
complex<double>::real() const
{ return __real__ _M_value; }
inline double
inline double&
complex<double>::imag()
{ return __imag__ _M_value; }
inline const double&
complex<double>::imag() const
{ return __imag__ _M_value; }
@ -898,8 +987,10 @@ namespace std
complex(const complex<float>&);
complex(const complex<double>&);
long double real() const;
long double imag() const;
long double& real();
const long double& real() const;
long double& imag();
const long double& imag() const;
complex<long double>& operator= (long double);
complex<long double>& operator+= (long double);
@ -937,11 +1028,19 @@ namespace std
__imag__ _M_value = __i;
}
inline long double
inline long double&
complex<long double>::real()
{ return __real__ _M_value; }
inline const long double&
complex<long double>::real() const
{ return __real__ _M_value; }
inline long double
inline long double&
complex<long double>::imag()
{ return __imag__ _M_value; }
inline const long double&
complex<long double>::imag() const
{ return __imag__ _M_value; }