operator_array.h ソースファイル

説明を見る。
 // 
 // Copyright (c) 2003-2011, MIST Project, Nagoya University
 // All rights reserved.
 // 
 // Redistribution and use in source and binary forms, with or without modification,
 // are permitted provided that the following conditions are met:
 // 
 // 1. Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 // 
 // 2. Redistributions in binary form must reproduce the above copyright notice,
 // this list of conditions and the following disclaimer in the documentation
 // and/or other materials provided with the distribution.
 // 
 // 3. Neither the name of the Nagoya University nor the names of its contributors
 // may be used to endorse or promote products derived from this software
 // without specific prior written permission.
 // 
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 // FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
 // IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 // 
 
 #ifndef __INCLUDE_MIST_OPERATOR_ARRAY__
 #define __INCLUDE_MIST_OPERATOR_ARRAY__
 
 
 template < class T, class Allocator >
 inline const array< T, Allocator >& operator +=( array< T, Allocator > &a1, const array< T, Allocator > &a2 )
 {
     typedef typename array< T, Allocator >::size_type size_type;
 #if _CHECK_ARRAY_OPERATION_ != 0
     if( a1.size( ) != a2.size( ) )
     {
         // 足し算できません例外
         ::std::cerr << "can't add arrays." << ::std::endl;
         return( a1 );
     }
 #endif
     for( size_type i = 0 ; i < a1.size( ) ; i++ ) a1[i] += static_cast< T >( a2[i] );
     return( a1 );
 }
 
 
 template < class T, class Allocator >
 inline const array< T, Allocator >& operator -=( array< T, Allocator > &a1, const array< T, Allocator > &a2 )
 {
     typedef typename array< T, Allocator >::size_type size_type;
 #if _CHECK_ARRAY_OPERATION_ != 0
     if( a1.size( ) != a2.size( ) )
     {
         // 引き算できません例外
         ::std::cerr << "can't subtract arrays." << ::std::endl;
         return( a1 );
     }
 #endif
     for( size_type i = 0 ; i < a1.size( ) ; i++ ) a1[i] -= static_cast< T >( a2[i] );
     return( a1 );
 }
 
 
 template < class T, class Allocator >
 inline const array< T, Allocator >& operator *=( array< T, Allocator > &a1, const array< T, Allocator > &a2 )
 {
     typedef typename array< T, Allocator >::size_type size_type;
 #if _CHECK_ARRAY_OPERATION_ != 0
     if( a1.size( ) != a2.size( ) )
     {
         // 掛け算できません例外
         ::std::cerr << "can't multiply arrays." << ::std::endl;
         return( a1 );
     }
 #endif
     for( size_type i = 0 ; i < a1.size( ) ; i++ ) a1[i] *= static_cast< T >( a2[i] );
     return( a1 );
 }
 
 
 template < class T, class Allocator >
 inline const array< T, Allocator >& operator /=( array< T, Allocator > &a1, const array< T, Allocator > &a2 )
 {
     typedef typename array< T, Allocator >::size_type size_type;
 #if _CHECK_ARRAY_OPERATION_ != 0
     if( a1.size( ) != a2.size( ) )
     {
         // 割り算できません例外
         ::std::cerr << "can't divide arrays." << ::std::endl;
         return( a1 );
     }
 #endif
     for( size_type i = 0 ; i < a1.size( ) ; i++ ) a1[i] /= static_cast< T >( a2[i] );
     return( a1 );
 }
 
 
 template < class T, class Allocator >
 inline const array< T, Allocator >& operator +=( array< T, Allocator > &a1, typename array< T, Allocator >::value_type val )
 {
     typedef typename array< T, Allocator >::size_type size_type;
     for( size_type i = 0 ; i < a1.size( ) ; i++ ) a1[i] += val;
     return( a1 );
 }
 
 
 template < class T, class Allocator >
 inline const array< T, Allocator >& operator -=( array< T, Allocator > &a1, typename array< T, Allocator >::value_type val )
 {
     typedef typename array< T, Allocator >::size_type size_type;
     for( size_type i = 0 ; i < a1.size( ) ; i++ ) a1[i] -= val;
     return( a1 );
 }
 
 
 template < class T, class Allocator >
 inline const array< T, Allocator >& operator *=( array< T, Allocator > &a1, typename array< T, Allocator >::value_type val )
 {
     typedef typename array< T, Allocator >::size_type size_type;
     for( size_type i = 0 ; i < a1.size( ) ; i++ ) a1[i] *= val;
     return( a1 );
 }
 
 
 template < class T, class Allocator >
 inline const array< T, Allocator >& operator /=( array< T, Allocator > &a1, typename array< T, Allocator >::value_type val )
 {
     typedef typename array< T, Allocator >::size_type size_type;
 #if _CHECK_ARRAY_OPERATION_ != 0
     if( val == 0 )
     {
         // ゼロ除算発生
         ::std::cerr << "zero division occured." << ::std::endl;
         return( a1 );
     }
 #endif
     for( size_type i = 0 ; i < a1.size( ) ; i++ ) a1[i] /= val;
     return( a1 );
 }
 
 
 
 template < class T, class Allocator >
 inline array< T, Allocator > operator -( const array< T, Allocator > &a )
 {
     typedef typename array< T, Allocator >::size_type size_type;
     array< T, Allocator > o( a.size( ) );
     for( size_type i = 0 ; i < o.size( ) ; i++ ) o[i] = -a[i];
     return( o );
 }
 
 
 
 
 template < class T, class Allocator >
 inline array< T, Allocator > operator +( const array< T, Allocator > &a1, const array< T, Allocator > &a2 )
 {
     array< T, Allocator > tmp( a1 );
     return( tmp += a2 );
 }
 
 
 
 
 template < class T, class Allocator >
 inline array< T, Allocator > operator -( const array< T, Allocator > &a1, const array< T, Allocator > &a2 )
 {
     array< T, Allocator > tmp( a1 );
     return( tmp -= a2 );
 }
 
 
 
 
 template < class T, class Allocator >
 inline array< T, Allocator > operator *( const array< T, Allocator > &a1, const array< T, Allocator > &a2 )
 {
     array< T, Allocator > tmp( a1 );
     return( tmp *= a2 );
 }
 
 
 
 template < class T, class Allocator >
 inline array< T, Allocator > operator /( const array< T, Allocator > &a1, const array< T, Allocator > &a2 )
 {
     array< T, Allocator > tmp( a1 );
     return( tmp /= a2 );
 }
 
 
 template < class T, class Allocator >
 inline array< T, Allocator > operator +( const array< T, Allocator > &a, typename array< T, Allocator >::value_type val )
 {
     array< T, Allocator > tmp( a );
     return( tmp += val );
 }
 
 
 template < class T, class Allocator >
 inline array< T, Allocator > operator +( typename array< T, Allocator >::value_type val, const array< T, Allocator > &a )
 {
     array< T, Allocator > tmp( a );
     return( tmp += val );
 }
 
 
 template < class T, class Allocator >
 inline array< T, Allocator > operator -( const array< T, Allocator > &a, typename array< T, Allocator >::value_type val )
 {
     array< T, Allocator > tmp( a );
     return( tmp -= val );
 }
 
 
 template < class T, class Allocator >
 inline array< T, Allocator > operator -( typename array< T, Allocator >::value_type val, const array< T, Allocator > &a )
 {
     array< T, Allocator > tmp( a.size( ), val );
     return( tmp -= a );
 }
 
 
 template < class T, class Allocator >
 inline array< T, Allocator > operator *( const array< T, Allocator > &a, typename array< T, Allocator >::value_type val )
 {
     array< T, Allocator > tmp( a );
     return( tmp *= val );
 }
 
 
 template < class T, class Allocator >
 inline array< T, Allocator > operator *( typename array< T, Allocator >::value_type val, const array< T, Allocator > &a )
 {
     array< T, Allocator > tmp( a );
     return( tmp *= val );
 }
 
 
 template < class T, class Allocator >
 inline array< T, Allocator > operator /( const array< T, Allocator > &a, typename array< T, Allocator >::value_type val )
 {
     array< T, Allocator > tmp( a );
     return( tmp /= val );
 }
 
 #endif // __INCLUDE_MIST_OPERATOR_ARRAY__
 