Commit 8164237c by Gabriel Dos Reis Committed by Gabriel Dos Reis

indirect_array.h (indirect_array<>::operator=): Make copy and assignment operator public.

	* include/bits/indirect_array.h (indirect_array<>::operator=):
	Make copy and assignment operator public.  Implement.  Format.

	* include/bits/valarray_array.h (__valarray_copy): Add overloads
	for copy between index arrays.  Format.

From-SVN: r43483
parent c0eadc6b
2001-06-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
* include/bits/indirect_array.h (indirect_array<>::operator=):
Make copy and assignment operator public. Implement. Format.
* include/bits/valarray_array.h (__valarray_copy): Add overloads
for copy between index arrays. Format.
2001-06-19 Benjamin Kosnik <bkoz@redhat.com>
* mknumeric_limits: Add static definitions, format.
......
......@@ -34,95 +34,104 @@
#pragma GCC system_header
namespace std {
template <class _Tp> class indirect_array
{
public:
typedef _Tp value_type;
void operator= (const valarray<_Tp>&) const;
void operator*= (const valarray<_Tp>&) const;
void operator/= (const valarray<_Tp>&) const;
void operator%= (const valarray<_Tp>&) const;
void operator+= (const valarray<_Tp>&) const;
void operator-= (const valarray<_Tp>&) const;
void operator^= (const valarray<_Tp>&) const;
void operator&= (const valarray<_Tp>&) const;
void operator|= (const valarray<_Tp>&) const;
void operator<<= (const valarray<_Tp>&) const;
void operator>>= (const valarray<_Tp>&) const;
void operator= (const _Tp&);
// ~indirect_array();
template<class _Dom>
void operator= (const _Expr<_Dom, _Tp>&) const;
template<class _Dom>
void operator*= (const _Expr<_Dom, _Tp>&) const;
template<class _Dom>
void operator/= (const _Expr<_Dom, _Tp>&) const;
template<class _Dom>
void operator%= (const _Expr<_Dom, _Tp>&) const;
template<class _Dom>
void operator+= (const _Expr<_Dom, _Tp>&) const;
template<class _Dom>
void operator-= (const _Expr<_Dom, _Tp>&) const;
template<class _Dom>
void operator^= (const _Expr<_Dom, _Tp>&) const;
template<class _Dom>
void operator&= (const _Expr<_Dom, _Tp>&) const;
template<class _Dom>
void operator|= (const _Expr<_Dom, _Tp>&) const;
template<class _Dom>
void operator<<= (const _Expr<_Dom, _Tp>&) const;
template<class _Dom>
void operator>>= (const _Expr<_Dom, _Tp>&) const;
private:
indirect_array (const indirect_array&);
indirect_array (_Array<_Tp>, size_t, _Array<size_t>);
friend class valarray<_Tp>;
friend class gslice_array<_Tp>;
const size_t _M_sz;
const _Array<size_t> _M_index;
const _Array<_Tp> _M_array;
// not implemented
indirect_array ();
indirect_array& operator= (const indirect_array&);
};
template<typename _Tp>
inline indirect_array<_Tp>::indirect_array(const indirect_array<_Tp>& __a)
: _M_sz (__a._M_sz), _M_index (__a._M_index),
_M_array (__a._M_array) {}
template<typename _Tp>
inline
indirect_array<_Tp>::indirect_array (_Array<_Tp> __a, size_t __s,
_Array<size_t> __i)
: _M_sz (__s), _M_index (__i), _M_array (__a) {}
// template<typename _Tp>
// inline indirect_array<_Tp>::~indirect_array() {}
template<typename _Tp>
inline void
indirect_array<_Tp>::operator= (const _Tp& __t)
{ __valarray_fill(_M_array, _M_index, _M_sz, __t); }
template<typename _Tp>
inline void
indirect_array<_Tp>::operator= (const valarray<_Tp>& __v) const
{ __valarray_copy (_Array<_Tp> (__v), _M_sz, _M_array, _M_index); }
template<typename _Tp>
template<class _Dom>
inline void
indirect_array<_Tp>::operator= (const _Expr<_Dom,_Tp>& __e) const
{ __valarray_copy (__e, _M_sz, _M_array, _M_index); }
namespace std
{
template <class _Tp>
class indirect_array
{
public:
typedef _Tp value_type;
// XXX: This is a proposed resolution for DR-253.
indirect_array& operator= (const indirect_array&);
void operator= (const valarray<_Tp>&) const;
void operator*= (const valarray<_Tp>&) const;
void operator/= (const valarray<_Tp>&) const;
void operator%= (const valarray<_Tp>&) const;
void operator+= (const valarray<_Tp>&) const;
void operator-= (const valarray<_Tp>&) const;
void operator^= (const valarray<_Tp>&) const;
void operator&= (const valarray<_Tp>&) const;
void operator|= (const valarray<_Tp>&) const;
void operator<<= (const valarray<_Tp>&) const;
void operator>>= (const valarray<_Tp>&) const;
void operator= (const _Tp&);
// ~indirect_array();
template<class _Dom>
void operator= (const _Expr<_Dom, _Tp>&) const;
template<class _Dom>
void operator*= (const _Expr<_Dom, _Tp>&) const;
template<class _Dom>
void operator/= (const _Expr<_Dom, _Tp>&) const;
template<class _Dom>
void operator%= (const _Expr<_Dom, _Tp>&) const;
template<class _Dom>
void operator+= (const _Expr<_Dom, _Tp>&) const;
template<class _Dom>
void operator-= (const _Expr<_Dom, _Tp>&) const;
template<class _Dom>
void operator^= (const _Expr<_Dom, _Tp>&) const;
template<class _Dom>
void operator&= (const _Expr<_Dom, _Tp>&) const;
template<class _Dom>
void operator|= (const _Expr<_Dom, _Tp>&) const;
template<class _Dom>
void operator<<= (const _Expr<_Dom, _Tp>&) const;
template<class _Dom>
void operator>>= (const _Expr<_Dom, _Tp>&) const;
private:
indirect_array (const indirect_array&);
indirect_array (_Array<_Tp>, size_t, _Array<size_t>);
friend class valarray<_Tp>;
friend class gslice_array<_Tp>;
const size_t _M_sz;
const _Array<size_t> _M_index;
const _Array<_Tp> _M_array;
// not implemented
indirect_array ();
};
template<typename _Tp>
inline indirect_array<_Tp>::indirect_array(const indirect_array<_Tp>& __a)
: _M_sz (__a._M_sz), _M_index (__a._M_index),
_M_array (__a._M_array) {}
template<typename _Tp>
inline
indirect_array<_Tp>::indirect_array (_Array<_Tp> __a, size_t __s,
_Array<size_t> __i)
: _M_sz (__s), _M_index (__i), _M_array (__a) {}
template<typename _Tp>
inline indirect_array<_Tp>&
indirect_array<_Tp>::operator=(const indirect_array<_Tp>& __a)
{
__valarray_copy(__a._M_array, _M_sz, __a._M_index, _M_array, _M_index);
return *this;
}
template<typename _Tp>
inline void
indirect_array<_Tp>::operator= (const _Tp& __t)
{ __valarray_fill(_M_array, _M_index, _M_sz, __t); }
template<typename _Tp>
inline void
indirect_array<_Tp>::operator= (const valarray<_Tp>& __v) const
{ __valarray_copy (_Array<_Tp> (__v), _M_sz, _M_array, _M_index); }
template<typename _Tp>
template<class _Dom>
inline void
indirect_array<_Tp>::operator= (const _Expr<_Dom,_Tp>& __e) const
{ __valarray_copy (__e, _M_sz, _M_array, _M_index); }
#undef _DEFINE_VALARRAY_OPERATOR
#define _DEFINE_VALARRAY_OPERATOR(op, name) \
......
......@@ -42,7 +42,6 @@
namespace std
{
//
// Helper functions on raw pointers
//
......@@ -53,12 +52,12 @@ namespace std
{ return operator new(__n); }
template<typename _Tp>
inline _Tp*__restrict__
__valarray_get_storage(size_t __n)
{
return static_cast<_Tp*__restrict__>
(__valarray_get_memory(__n * sizeof(_Tp)));
}
inline _Tp*__restrict__
__valarray_get_storage(size_t __n)
{
return static_cast<_Tp*__restrict__>
(__valarray_get_memory(__n * sizeof(_Tp)));
}
// Return memory to the system
inline void
......@@ -68,218 +67,230 @@ namespace std
// Turn a raw-memory into an array of _Tp filled with _Tp()
// This is required in 'valarray<T> v(n);'
template<typename _Tp, bool>
struct _Array_default_ctor
{
// Please note that this isn't exception safe. But
// valarrays aren't required to be exception safe.
inline static void
_S_do_it(_Tp* __restrict__ __b, _Tp* __restrict__ __e)
{ while (__b != __e) new(__b++) _Tp(); }
};
template<typename _Tp>
struct _Array_default_ctor<_Tp, true>
{
// For fundamental types, it suffices to say 'memset()'
inline static void
_S_do_it(_Tp* __restrict__ __b, _Tp* __restrict__ __e)
{ memset(__b, 0, (__e - __b)*sizeof(_Tp)); }
};
template<typename _Tp>
inline void
__valarray_default_construct(_Tp* __restrict__ __b, _Tp* __restrict__ __e)
{
_Array_default_ctor<_Tp, __is_fundamental<_Tp>::_M_type>::
_S_do_it(__b, __e);
}
struct _Array_default_ctor
{
// Please note that this isn't exception safe. But
// valarrays aren't required to be exception safe.
inline static void
_S_do_it(_Tp* __restrict__ __b, _Tp* __restrict__ __e)
{ while (__b != __e) new(__b++) _Tp(); }
};
template<typename _Tp>
struct _Array_default_ctor<_Tp, true>
{
// For fundamental types, it suffices to say 'memset()'
inline static void
_S_do_it(_Tp* __restrict__ __b, _Tp* __restrict__ __e)
{ memset(__b, 0, (__e - __b)*sizeof(_Tp)); }
};
template<typename _Tp>
inline void
__valarray_default_construct(_Tp* __restrict__ __b, _Tp* __restrict__ __e)
{
_Array_default_ctor<_Tp, __is_fundamental<_Tp>::_M_type>::
_S_do_it(__b, __e);
}
// Turn a raw-memory into an array of _Tp filled with __t
// This is the required in valarray<T> v(n, t). Also
// used in valarray<>::resize().
template<typename _Tp, bool>
struct _Array_init_ctor
{
// Please note that this isn't exception safe. But
// valarrays aren't required to be exception safe.
inline static void
_S_do_it(_Tp* __restrict__ __b, _Tp* __restrict__ __e, const _Tp __t)
{ while (__b != __e) new(__b++) _Tp(__t); }
};
template<typename _Tp>
struct _Array_init_ctor<_Tp, true>
{
inline static void
_S_do_it(_Tp* __restrict__ __b, _Tp* __restrict__ __e, const _Tp __t)
{ while (__b != __e) *__b++ = __t; }
};
template<typename _Tp>
inline void
__valarray_fill_construct(_Tp* __restrict__ __b, _Tp* __restrict__ __e,
const _Tp __t)
{
_Array_init_ctor<_Tp, __is_fundamental<_Tp>::_M_type>::
_S_do_it(__b, __e, __t);
}
struct _Array_init_ctor
{
// Please note that this isn't exception safe. But
// valarrays aren't required to be exception safe.
inline static void
_S_do_it(_Tp* __restrict__ __b, _Tp* __restrict__ __e, const _Tp __t)
{ while (__b != __e) new(__b++) _Tp(__t); }
};
template<typename _Tp>
struct _Array_init_ctor<_Tp, true>
{
inline static void
_S_do_it(_Tp* __restrict__ __b, _Tp* __restrict__ __e, const _Tp __t)
{ while (__b != __e) *__b++ = __t; }
};
template<typename _Tp>
inline void
__valarray_fill_construct(_Tp* __restrict__ __b, _Tp* __restrict__ __e,
const _Tp __t)
{
_Array_init_ctor<_Tp, __is_fundamental<_Tp>::_M_type>::
_S_do_it(__b, __e, __t);
}
//
// copy-construct raw array [__o, *) from plain array [__b, __e)
// We can't just say 'memcpy()'
//
template<typename _Tp, bool>
struct _Array_copy_ctor
{
// Please note that this isn't exception safe. But
// valarrays aren't required to be exception safe.
inline static void
_S_do_it(const _Tp* __restrict__ __b, const _Tp* __restrict__ __e,
_Tp* __restrict__ __o)
{ while (__b != __e) new(__o++) _Tp(*__b++); }
};
template<typename _Tp>
struct _Array_copy_ctor<_Tp, true>
{
inline static void
_S_do_it(const _Tp* __restrict__ __b, const _Tp* __restrict__ __e,
_Tp* __restrict__ __o)
{ memcpy(__o, __b, (__e - __b)*sizeof(_Tp)); }
};
template<typename _Tp>
inline void
__valarray_copy_construct(const _Tp* __restrict__ __b,
const _Tp* __restrict__ __e,
_Tp* __restrict__ __o)
{
_Array_copy_ctor<_Tp, __is_fundamental<_Tp>::_M_type>::
_S_do_it(__b, __e, __o);
}
struct _Array_copy_ctor
{
// Please note that this isn't exception safe. But
// valarrays aren't required to be exception safe.
inline static void
_S_do_it(const _Tp* __restrict__ __b, const _Tp* __restrict__ __e,
_Tp* __restrict__ __o)
{ while (__b != __e) new(__o++) _Tp(*__b++); }
};
template<typename _Tp>
struct _Array_copy_ctor<_Tp, true>
{
inline static void
_S_do_it(const _Tp* __restrict__ __b, const _Tp* __restrict__ __e,
_Tp* __restrict__ __o)
{ memcpy(__o, __b, (__e - __b)*sizeof(_Tp)); }
};
template<typename _Tp>
inline void
__valarray_copy_construct(const _Tp* __restrict__ __b,
const _Tp* __restrict__ __e,
_Tp* __restrict__ __o)
{
_Array_copy_ctor<_Tp, __is_fundamental<_Tp>::_M_type>::
_S_do_it(__b, __e, __o);
}
// copy-construct raw array [__o, *) from strided array __a[<__n : __s>]
template<typename _Tp>
inline void
__valarray_copy_construct (const _Tp* __restrict__ __a, size_t __n,
size_t __s, _Tp* __restrict__ __o)
{
if (__is_fundamental<_Tp>::_M_type)
while (__n--) { *__o++ = *__a; __a += __s; }
else
while (__n--) { new(__o++) _Tp(*__a); __a += __s; }
}
inline void
__valarray_copy_construct (const _Tp* __restrict__ __a, size_t __n,
size_t __s, _Tp* __restrict__ __o)
{
if (__is_fundamental<_Tp>::_M_type)
while (__n--) { *__o++ = *__a; __a += __s; }
else
while (__n--) { new(__o++) _Tp(*__a); __a += __s; }
}
// copy-construct raw array [__o, *) from indexed array __a[__i[<__n>]]
template<typename _Tp>
inline void
__valarray_copy_construct (const _Tp* __restrict__ __a,
const size_t* __restrict__ __i,
_Tp* __restrict__ __o, size_t __n)
{
if (__is_fundamental<_Tp>::_M_type)
while (__n--) *__o++ = __a[*__i++];
else
while (__n--) new (__o++) _Tp(__a[*__i++]);
}
inline void
__valarray_copy_construct (const _Tp* __restrict__ __a,
const size_t* __restrict__ __i,
_Tp* __restrict__ __o, size_t __n)
{
if (__is_fundamental<_Tp>::_M_type)
while (__n--) *__o++ = __a[*__i++];
else
while (__n--) new (__o++) _Tp(__a[*__i++]);
}
// Do the necessary cleanup when we're done with arrays.
template<typename _Tp>
inline void
__valarray_destroy_elements(_Tp* __restrict__ __b, _Tp* __restrict__ __e)
{
if (!__is_fundamental<_Tp>::_M_type)
while (__b != __e) { __b->~_Tp(); ++__b; }
}
inline void
__valarray_destroy_elements(_Tp* __restrict__ __b, _Tp* __restrict__ __e)
{
if (!__is_fundamental<_Tp>::_M_type)
while (__b != __e) { __b->~_Tp(); ++__b; }
}
// fill plain array __a[<__n>] with __t
// Fill a plain array __a[<__n>] with __t
template<typename _Tp>
void
__valarray_fill (_Tp* __restrict__ __a, size_t __n, const _Tp& __t)
{ while (__n--) *__a++ = __t; }
inline void
__valarray_fill (_Tp* __restrict__ __a, size_t __n, const _Tp& __t)
{ while (__n--) *__a++ = __t; }
// fill strided array __a[<__n-1 : __s>] with __t
template<typename _Tp>
inline void
__valarray_fill (_Tp* __restrict__ __a, size_t __n,
size_t __s, const _Tp& __t)
{ for (size_t __i=0; __i<__n; ++__i, __a+=__s) *__a = __t; }
inline void
__valarray_fill (_Tp* __restrict__ __a, size_t __n,
size_t __s, const _Tp& __t)
{ for (size_t __i=0; __i<__n; ++__i, __a+=__s) *__a = __t; }
// fill indir ect array __a[__i[<__n>]] with __i
template<typename _Tp>
inline void
__valarray_fill(_Tp* __restrict__ __a, const size_t* __restrict__ __i,
size_t __n, const _Tp& __t)
{ for (size_t __j=0; __j<__n; ++__j, ++__i) __a[*__i] = __t; }
inline void
__valarray_fill(_Tp* __restrict__ __a, const size_t* __restrict__ __i,
size_t __n, const _Tp& __t)
{ for (size_t __j=0; __j<__n; ++__j, ++__i) __a[*__i] = __t; }
// copy plain array __a[<__n>] in __b[<__n>]
// For non-fundamental types, it is wrong to say 'memcpy()'
template<typename _Tp, bool>
struct _Array_copier
{
inline static void
_S_do_it(const _Tp* __restrict__ __a, size_t __n, _Tp* __restrict__ __b)
{ while (__n--) *__b++ = *__a++; }
};
struct _Array_copier
{
inline static void
_S_do_it(const _Tp* __restrict__ __a, size_t __n, _Tp* __restrict__ __b)
{ while (__n--) *__b++ = *__a++; }
};
template<typename _Tp>
struct _Array_copier<_Tp, true>
{
inline static void
_S_do_it(const _Tp* __restrict__ __a, size_t __n, _Tp* __restrict__ __b)
{ memcpy (__b, __a, __n * sizeof (_Tp)); }
};
struct _Array_copier<_Tp, true>
{
inline static void
_S_do_it(const _Tp* __restrict__ __a, size_t __n, _Tp* __restrict__ __b)
{ memcpy (__b, __a, __n * sizeof (_Tp)); }
};
// Copy a plain array __a[<__n>] into a play array __b[<>]
template<typename _Tp>
inline void
__valarray_copy (const _Tp* __restrict__ __a, size_t __n,
_Tp* __restrict__ __b)
{
_Array_copier<_Tp, __is_fundamental<_Tp>::_M_type>::
_S_do_it(__a, __n, __b);
}
inline void
__valarray_copy(const _Tp* __restrict__ __a, size_t __n,
_Tp* __restrict__ __b)
{
_Array_copier<_Tp, __is_fundamental<_Tp>::_M_type>::
_S_do_it(__a, __n, __b);
}
// copy strided array __a[<__n : __s>] in plain __b[<__n>]
// Copy strided array __a[<__n : __s>] in plain __b[<__n>]
template<typename _Tp>
inline void
__valarray_copy (const _Tp* __restrict__ __a, size_t __n, size_t __s,
_Tp* __restrict__ __b)
{ for (size_t __i=0; __i<__n; ++__i, ++__b, __a += __s) *__b = *__a; }
inline void
__valarray_copy(const _Tp* __restrict__ __a, size_t __n, size_t __s,
_Tp* __restrict__ __b)
{ for (size_t __i=0; __i<__n; ++__i, ++__b, __a += __s) *__b = *__a; }
// copy plain __a[<__n>] in strided __b[<__n : __s>]
// Copy a plain array __a[<__n>] into a strided array __b[<__n : __s>]
template<typename _Tp>
inline void
__valarray_copy (const _Tp* __restrict__ __a, _Tp* __restrict__ __b,
size_t __n, size_t __s)
{ for (size_t __i=0; __i<__n; ++__i, ++__a, __b+=__s) *__b = *__a; }
inline void
__valarray_copy(const _Tp* __restrict__ __a, _Tp* __restrict__ __b,
size_t __n, size_t __s)
{ for (size_t __i=0; __i<__n; ++__i, ++__a, __b+=__s) *__b = *__a; }
// Copy strided array __src[<__n : __s1>] into another
// strided array __dst[< : __s2>]. Their sizes must match.
template<typename _Tp>
inline void
__valarray_copy(const _Tp* __restrict__ __src, size_t __n, size_t __s1,
_Tp* __restrict__ __dst, size_t __s2)
{
for (size_t __i = 0; __i < __n; ++__i)
__dst[__i * __s2] = __src [ __i * __s1];
}
inline void
__valarray_copy(const _Tp* __restrict__ __src, size_t __n, size_t __s1,
_Tp* __restrict__ __dst, size_t __s2)
{
for (size_t __i = 0; __i < __n; ++__i)
__dst[__i * __s2] = __src [ __i * __s1];
}
// copy indexed __a[__i[<__n>]] in plain __b[<__n>]
// Copy an indexed array __a[__i[<__n>]] in plain array __b[<__n>]
template<typename _Tp>
inline void
__valarray_copy (const _Tp* __restrict__ __a,
const size_t* __restrict__ __i,
_Tp* __restrict__ __b, size_t __n)
{ for (size_t __j=0; __j<__n; ++__j, ++__b, ++__i) *__b = __a[*__i]; }
inline void
__valarray_copy (const _Tp* __restrict__ __a,
const size_t* __restrict__ __i,
_Tp* __restrict__ __b, size_t __n)
{ for (size_t __j=0; __j<__n; ++__j, ++__b, ++__i) *__b = __a[*__i]; }
// copy plain __a[<__n>] in indexed __b[__i[<__n>]]
// Copy a plain array __a[<__n>] in an indexed array __b[__i[<__n>]]
template<typename _Tp>
inline void
__valarray_copy (const _Tp* __restrict__ __a, size_t __n,
_Tp* __restrict__ __b, const size_t* __restrict__ __i)
{ for (size_t __j=0; __j<__n; ++__j, ++__a, ++__i) __b[*__i] = *__a; }
inline void
__valarray_copy (const _Tp* __restrict__ __a, size_t __n,
_Tp* __restrict__ __b, const size_t* __restrict__ __i)
{ for (size_t __j=0; __j<__n; ++__j, ++__a, ++__i) __b[*__i] = *__a; }
// Copy the __n first elements of an indexed array __src[<__i>] into
// another indexed array __dst[<__j>].
template<typename _Tp>
inline void
__valarray_copy(const _Tp* __restrict__ __src, size_t __n,
const size_t* __restrict__ __i,
_Tp* __restrict__ __dst, const size_t* __restrict__ __j)
{
for (size_t __k = 0; __k < __n; ++__k)
__dst[*__j++] = __src[*__i++];
}
//
// Compute the sum of elements in range [__f, __l)
......@@ -289,57 +300,57 @@ namespace std
// algorithm.
//
template<typename _Tp>
inline _Tp
__valarray_sum(const _Tp* __restrict__ __f, const _Tp* __restrict__ __l)
{
_Tp __r = _Tp();
while (__f != __l) __r += *__f++;
return __r;
}
inline _Tp
__valarray_sum(const _Tp* __restrict__ __f, const _Tp* __restrict__ __l)
{
_Tp __r = _Tp();
while (__f != __l) __r += *__f++;
return __r;
}
// Compute the product of all elements in range [__f, __l)
template<typename _Tp>
inline _Tp
__valarray_product(const _Tp* __restrict__ __f,
const _Tp* __restrict__ __l)
{
_Tp __r = _Tp(1);
while (__f != __l) __r = __r * *__f++;
return __r;
}
inline _Tp
__valarray_product(const _Tp* __restrict__ __f,
const _Tp* __restrict__ __l)
{
_Tp __r = _Tp(1);
while (__f != __l) __r = __r * *__f++;
return __r;
}
// Compute the min/max of an array-expression
template<typename _Ta>
inline typename _Ta::value_type
__valarray_min(const _Ta& __a)
{
size_t __s = __a.size();
typedef typename _Ta::value_type _Value_type;
_Value_type __r = __s == 0 ? _Value_type() : __a[0];
for (size_t __i = 1; __i < __s; ++__i)
{
_Value_type __t = __a[__i];
if (__t < __r)
__r = __t;
}
return __r;
}
inline typename _Ta::value_type
__valarray_min(const _Ta& __a)
{
size_t __s = __a.size();
typedef typename _Ta::value_type _Value_type;
_Value_type __r = __s == 0 ? _Value_type() : __a[0];
for (size_t __i = 1; __i < __s; ++__i)
{
_Value_type __t = __a[__i];
if (__t < __r)
__r = __t;
}
return __r;
}
template<typename _Ta>
inline typename _Ta::value_type
__valarray_max(const _Ta& __a)
{
size_t __s = __a.size();
typedef typename _Ta::value_type _Value_type;
_Value_type __r = __s == 0 ? _Value_type() : __a[0];
for (size_t __i = 1; __i < __s; ++__i)
{
_Value_type __t = __a[__i];
if (__t > __r)
__r = __t;
}
return __r;
}
inline typename _Ta::value_type
__valarray_max(const _Ta& __a)
{
size_t __s = __a.size();
typedef typename _Ta::value_type _Value_type;
_Value_type __r = __s == 0 ? _Value_type() : __a[0];
for (size_t __i = 1; __i < __s; ++__i)
{
_Value_type __t = __a[__i];
if (__t > __r)
__r = __t;
}
return __r;
}
//
// Helper class _Array, first layer of valarray abstraction.
......@@ -348,92 +359,110 @@ namespace std
//
template<typename _Tp>
struct _Array
{
explicit _Array (size_t);
explicit _Array (_Tp* const __restrict__);
explicit _Array (const valarray<_Tp>&);
_Array (const _Tp* __restrict__, size_t);
_Tp* begin () const;
_Tp* const __restrict__ _M_data;
};
struct _Array
{
explicit _Array (size_t);
explicit _Array (_Tp* const __restrict__);
explicit _Array (const valarray<_Tp>&);
_Array (const _Tp* __restrict__, size_t);
_Tp* begin () const;
_Tp* const __restrict__ _M_data;
};
template<typename _Tp>
inline void
__valarray_fill (_Array<_Tp> __a, size_t __n, const _Tp& __t)
{ __valarray_fill (__a._M_data, __n, __t); }
inline void
__valarray_fill (_Array<_Tp> __a, size_t __n, const _Tp& __t)
{ __valarray_fill (__a._M_data, __n, __t); }
template<typename _Tp>
inline void
__valarray_fill (_Array<_Tp> __a, size_t __n, size_t __s, const _Tp& __t)
{ __valarray_fill (__a._M_data, __n, __s, __t); }
inline void
__valarray_fill (_Array<_Tp> __a, size_t __n, size_t __s, const _Tp& __t)
{ __valarray_fill (__a._M_data, __n, __s, __t); }
template<typename _Tp>
inline void
__valarray_fill (_Array<_Tp> __a, _Array<size_t> __i,
size_t __n, const _Tp& __t)
{ __valarray_fill (__a._M_data, __i._M_data, __n, __t); }
inline void
__valarray_fill (_Array<_Tp> __a, _Array<size_t> __i,
size_t __n, const _Tp& __t)
{ __valarray_fill (__a._M_data, __i._M_data, __n, __t); }
// Copy a plain array __a[<__n>] into a play array __b[<>]
template<typename _Tp>
inline void
__valarray_copy (_Array<_Tp> __a, size_t __n, _Array<_Tp> __b)
{ __valarray_copy (__a._M_data, __n, __b._M_data); }
inline void
__valarray_copy(_Array<_Tp> __a, size_t __n, _Array<_Tp> __b)
{ __valarray_copy(__a._M_data, __n, __b._M_data); }
// Copy strided array __a[<__n : __s>] in plain __b[<__n>]
template<typename _Tp>
inline void
__valarray_copy (_Array<_Tp> __a, size_t __n, size_t __s, _Array<_Tp> __b)
{ __valarray_copy(__a._M_data, __n, __s, __b._M_data); }
inline void
__valarray_copy(_Array<_Tp> __a, size_t __n, size_t __s, _Array<_Tp> __b)
{ __valarray_copy(__a._M_data, __n, __s, __b._M_data); }
// Copy a plain array __a[<__n>] into a strided array __b[<__n : __s>]
template<typename _Tp>
inline void
__valarray_copy (_Array<_Tp> __a, _Array<_Tp> __b, size_t __n, size_t __s)
{ __valarray_copy (__a._M_data, __b._M_data, __n, __s); }
inline void
__valarray_copy(_Array<_Tp> __a, _Array<_Tp> __b, size_t __n, size_t __s)
{ __valarray_copy(__a._M_data, __b._M_data, __n, __s); }
// Copy strided array __src[<__n : __s1>] into another
// strided array __dst[< : __s2>]. Their sizes must match.
template<typename _Tp>
inline void
__valarray_copy(_Array<_Tp> __a, size_t __n, size_t __s1,
_Array<_Tp> __b, size_t __s2)
{ __valarray_copy(__a._M_data, __n, __s1, __b._M_data, __s2); }
inline void
__valarray_copy(_Array<_Tp> __a, size_t __n, size_t __s1,
_Array<_Tp> __b, size_t __s2)
{ __valarray_copy(__a._M_data, __n, __s1, __b._M_data, __s2); }
// Copy an indexed array __a[__i[<__n>]] in plain array __b[<__n>]
template<typename _Tp>
inline void
__valarray_copy (_Array<_Tp> __a, _Array<size_t> __i,
_Array<_Tp> __b, size_t __n)
{ __valarray_copy (__a._M_data, __i._M_data, __b._M_data, __n); }
inline void
__valarray_copy(_Array<_Tp> __a, _Array<size_t> __i,
_Array<_Tp> __b, size_t __n)
{ __valarray_copy(__a._M_data, __i._M_data, __b._M_data, __n); }
// Copy a plain array __a[<__n>] in an indexed array __b[__i[<__n>]]
template<typename _Tp>
inline void
__valarray_copy (_Array<_Tp> __a, size_t __n, _Array<_Tp> __b,
_Array<size_t> __i)
{ __valarray_copy (__a._M_data, __n, __b._M_data, __i._M_data); }
inline void
__valarray_copy(_Array<_Tp> __a, size_t __n, _Array<_Tp> __b,
_Array<size_t> __i)
{ __valarray_copy(__a._M_data, __n, __b._M_data, __i._M_data); }
// Copy the __n first elements of an indexed array __src[<__i>] into
// another indexed array __dst[<__j>].
template<typename _Tp>
inline void
__valarray_copy(_Array<_Tp> __src, size_t __n, _Array<size_t> __i,
_Array<_Tp> __dst, _Array<size_t> __j)
{
__valarray_copy(__src._M_data, __n, __i._M_data,
__dst._M_data, __j._M_data);
}
template<typename _Tp>
inline
_Array<_Tp>::_Array (size_t __n)
: _M_data(__valarray_get_storage<_Tp>(__n))
{ __valarray_default_construct(_M_data, _M_data + __n); }
inline
_Array<_Tp>::_Array (size_t __n)
: _M_data(__valarray_get_storage<_Tp>(__n))
{ __valarray_default_construct(_M_data, _M_data + __n); }
template<typename _Tp>
inline
_Array<_Tp>::_Array (_Tp* const __restrict__ __p) : _M_data (__p) {}
inline
_Array<_Tp>::_Array (_Tp* const __restrict__ __p) : _M_data (__p) {}
template<typename _Tp>
inline _Array<_Tp>::_Array (const valarray<_Tp>& __v)
: _M_data (__v._M_data) {}
inline _Array<_Tp>::_Array (const valarray<_Tp>& __v)
: _M_data (__v._M_data) {}
template<typename _Tp>
inline
_Array<_Tp>::_Array (const _Tp* __restrict__ __b, size_t __s)
: _M_data(__valarray_get_storage<_Tp>(__s))
{ __valarray_copy_construct(__b, __s, _M_data); }
inline
_Array<_Tp>::_Array (const _Tp* __restrict__ __b, size_t __s)
: _M_data(__valarray_get_storage<_Tp>(__s))
{ __valarray_copy_construct(__b, __s, _M_data); }
template<typename _Tp>
inline _Tp*
_Array<_Tp>::begin () const
{ return _M_data; }
inline _Tp*
_Array<_Tp>::begin () const
{ return _M_data; }
#define _DEFINE_ARRAY_FUNCTION(_Op, _Name) \
template<typename _Tp> \
......@@ -569,16 +598,16 @@ _Array_augmented_##_Name (_Array<_Tp> __a, _Array<bool> __m, \
} \
}
_DEFINE_ARRAY_FUNCTION(+, plus)
_DEFINE_ARRAY_FUNCTION(-, minus)
_DEFINE_ARRAY_FUNCTION(*, multiplies)
_DEFINE_ARRAY_FUNCTION(/, divides)
_DEFINE_ARRAY_FUNCTION(%, modulus)
_DEFINE_ARRAY_FUNCTION(^, xor)
_DEFINE_ARRAY_FUNCTION(|, or)
_DEFINE_ARRAY_FUNCTION(&, and)
_DEFINE_ARRAY_FUNCTION(<<, shift_left)
_DEFINE_ARRAY_FUNCTION(>>, shift_right)
_DEFINE_ARRAY_FUNCTION(+, plus)
_DEFINE_ARRAY_FUNCTION(-, minus)
_DEFINE_ARRAY_FUNCTION(*, multiplies)
_DEFINE_ARRAY_FUNCTION(/, divides)
_DEFINE_ARRAY_FUNCTION(%, modulus)
_DEFINE_ARRAY_FUNCTION(^, xor)
_DEFINE_ARRAY_FUNCTION(|, or)
_DEFINE_ARRAY_FUNCTION(&, and)
_DEFINE_ARRAY_FUNCTION(<<, shift_left)
_DEFINE_ARRAY_FUNCTION(>>, shift_right)
#undef _DEFINE_VALARRAY_FUNCTION
......
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