#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) \
namespace std
{
-
//
// Helper functions on raw pointers
//
{ 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
// 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)
// 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.
//
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> \
} \
}
-_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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