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- #ifndef __VALIMP_H
- #define __VALIMP_H
- #pragma option push -b -a8 -pc -Vx- -Ve- -w-inl -w-aus -w-sig
- // -*- C++ -*-
- #ifndef __RW_VALIMP__
- #define __RW_VALIMP__
-
- /***************************************************************************
- *
- * valimp - Declarations for the Standard Library valarray
- *
- ***************************************************************************
- *
- * Copyright (c) 1994-1999 Rogue Wave Software, Inc. All Rights Reserved.
- *
- * This computer software is owned by Rogue Wave Software, Inc. and is
- * protected by U.S. copyright laws and other laws and by international
- * treaties. This computer software is furnished by Rogue Wave Software,
- * Inc. pursuant to a written license agreement and may be used, copied,
- * transmitted, and stored only in accordance with the terms of such
- * license and with the inclusion of the above copyright notice. This
- * computer software or any other copies thereof may not be provided or
- * otherwise made available to any other person.
- *
- * U.S. Government Restricted Rights. This computer software is provided
- * with Restricted Rights. Use, duplication, or disclosure by the
- * Government is subject to restrictions as set forth in subparagraph (c)
- * (1) (ii) of The Rights in Technical Data and Computer Software clause
- * at DFARS 252.227-7013 or subparagraphs (c) (1) and (2) of the
- * Commercial Computer Software รป Restricted Rights at 48 CFR 52.227-19,
- * as applicable. Manufacturer is Rogue Wave Software, Inc., 5500
- * Flatiron Parkway, Boulder, Colorado 80301 USA.
- *
- **************************************************************************/
-
- #include <stdcomp.h>
- #include <rw/stddefs.h>
-
- #ifndef _RWSTD_NO_NEW_HEADER
- #include <cstddef>
- #include <cstring>
- #else
- #include <stddef.h>
- #include <string.h>
- #endif
-
- #include <rw/math.h>
-
- #ifndef _RWSTD_NO_NAMESPACE
- namespace std { }
- namespace __rwstd {
- #define _RW_IMP_SPACE(name) ::__rwstd::name
- #else
- #define _RW_IMP_SPACE(name) name
- #endif
- /****************************************************************
- * IMPLEMENTATION FUNCTIONALITIES *
- * *
- * - valarray memory model *
- * - valarray optimization on copy and return *
- * *
- ****************************************************************/
- // valarray_traits class
- // allow memory optimization
- // for builtin types and user types
-
- template <class T>
- class valarray_traits_optimize
- {
- public:
- static bool _RWSTDExportTemplate optimize_copy() { return false; }
- };
- #ifndef _RWSTD_NO_BOOL
- _RWSTD_TEMPLATE
- class _RWSTDExport valarray_traits_optimize<bool>
- {
- public:
- static bool optimize_copy() { return true; }
- };
- #endif
-
- _RWSTD_TEMPLATE
- class _RWSTDExport valarray_traits_optimize<short>
- {
- public:
- static bool optimize_copy() { return true; }
- };
-
- _RWSTD_TEMPLATE
- class _RWSTDExport valarray_traits_optimize<unsigned short>
- {
- public:
- static bool optimize_copy() { return true; }
- };
-
- _RWSTD_TEMPLATE
- class _RWSTDExport valarray_traits_optimize<int>
- {
- public:
- static bool optimize_copy() { return true; }
- };
-
- _RWSTD_TEMPLATE
- class _RWSTDExport valarray_traits_optimize<unsigned int>
- {
- public:
- static bool optimize_copy() { return true; }
- };
-
- _RWSTD_TEMPLATE
- class _RWSTDExport valarray_traits_optimize<long>
- {
- public:
- static bool optimize_copy() { return true; }
- };
-
- _RWSTD_TEMPLATE
- class _RWSTDExport valarray_traits_optimize<unsigned long>
- {
- public:
- static bool optimize_copy() { return true; }
- };
-
- _RWSTD_TEMPLATE
- class _RWSTDExport valarray_traits_optimize<float>
- {
- public:
- static bool optimize_copy() { return true; }
- };
-
- _RWSTD_TEMPLATE
- class _RWSTDExport valarray_traits_optimize<double>
- {
- public:
- static bool optimize_copy() { return true; }
- };
-
- _RWSTD_TEMPLATE
- class _RWSTDExport valarray_traits_optimize<long double>
- {
- public:
- static bool optimize_copy() { return true; }
- };
-
- _RWSTD_TEMPLATE
- class _RWSTDExport valarray_traits_optimize<char>
- {
- public:
- static bool optimize_copy() { return true; }
- };
-
- _RWSTD_TEMPLATE
- class _RWSTDExport valarray_traits_optimize<unsigned char>
- {
- public:
- static bool optimize_copy() { return true; }
- };
- // for optimization on return of
- // valarray<T> values
-
- template <class T>
- struct _RW_temporary
- {
-
- T* store_adr;
- size_t length;
- };
- // Class _RW_array<T>
- // C type array storage class
- // responsible for physical representation
- // of the valarray in memory and memory operations
-
- template <class T> class _RW_array {
-
- public:
-
- _RW_array( )
- : _RW_length(0)
- , _RW_storage(0)
- { ; }
-
- ~_RW_array( )
- { if ( _RW_storage ) delete []_RW_storage; }
-
- void _initial_size(size_t size)
- {
- _RW_length = size;
- _RW_storage = new T[_RW_length];
- }
-
- void _initialize_with_value(const T&, size_t);
- void _initialize_with_array(const T*, size_t);
- void _copy_memory_array(const _RW_array<T>&);
-
- size_t _get_length() const { return _RW_length; }
-
- T operator[] (size_t ind) const
- { return _RW_storage[ind]; }
-
- T& operator[] (size_t ind)
- { return _RW_storage[ind]; }
-
- void _replace(T* tmp_adr, size_t tmp_length )
- {
- _RW_storage = tmp_adr;
- _RW_length = tmp_length;
- }
-
- T* _RW_get_storage() const { return _RW_storage; }
-
- void _RW_invalidate()
- {
- _RW_length = 0;
- _RW_storage = 0;
- }
-
- void _RW_copy( T* pointer ) const
- {
- #if !defined(_RWSTD_NO_NEW_HEADER) && !defined(_RWSTD_NO_NAMESPACE)
- std::memcpy( (void*)pointer, (void*)_RW_storage,_RW_length*sizeof(T));
- #else
- memcpy( (void*)pointer, (void*)_RW_storage,_RW_length*sizeof(T));
- #endif
- }
-
- void _RW_resize_without_copy( size_t size)
- {
- if ( _RW_storage )
- {
- delete []_RW_storage;
- _RW_storage = 0;
- }
- _RW_length = size;
- if ( size > 0 ) _RW_storage = new T[_RW_length];
- }
-
- private:
- size_t _RW_length;
- T* _RW_storage;
- };
- #ifndef _RWSTD_NO_NAMESPACE
- }
- #endif
- #ifdef _RWSTD_NO_TEMPLATE_REPOSITORY
- #include <rw/valimp.cc>
- #endif
-
- #endif /* __RW_VALIMP__ */
-
- #pragma option pop
- #endif /* __VALIMP_H */
-