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 //  Copyright (c) 2000-2011 Joerg Walter, Mathias Koch, David Bellot
 //
 //  Distributed under the Boost Software License, Version 1.0. (See
 //  accompanying file LICENSE_1_0.txt or copy at
 //  http://www.boost.org/LICENSE_1_0.txt)
 
 #ifndef _BOOST_UBLAS_EXCEPTION_
 #define _BOOST_UBLAS_EXCEPTION_
 
 #if ! defined (BOOST_NO_EXCEPTIONS) && ! defined (BOOST_UBLAS_NO_EXCEPTIONS)
 #include <stdexcept>
 #else
 #include <cstdlib>
 #endif
 #ifndef BOOST_UBLAS_NO_STD_CERR
 #include <iostream>
 #endif
 
 #include <boost/numeric/ublas/detail/config.hpp>
 
 namespace boost { namespace numeric { namespace ublas {
 
     /** \brief Exception raised when a division by zero occurs
      */
     struct divide_by_zero
 #if ! defined (BOOST_NO_EXCEPTIONS) && ! defined (BOOST_UBLAS_NO_EXCEPTIONS)
         // Inherit from standard exceptions as requested during review.
         : public std::runtime_error 
     {
         explicit divide_by_zero (const char *s = "divide by zero") :
             std::runtime_error (s) {}
         void raise () {
             throw *this;
         }
 #else
     {
         divide_by_zero ()
             {}
         explicit divide_by_zero (const char *)
             {}
         void raise () {
             std::abort ();
         }
 #endif
     };
 
     /** \brief Expception raised when some interal errors occurs like computations errors, zeros values where you should not have zeros, etc...
      */
     struct internal_logic
 #if ! defined (BOOST_NO_EXCEPTIONS) && ! defined (BOOST_UBLAS_NO_EXCEPTIONS)
         // Inherit from standard exceptions as requested during review.
         : public std::logic_error {
         explicit internal_logic (const char *s = "internal logic") :
             std::logic_error (s) {}
         void raise () {
             throw *this;
         }
 #else
     {
         internal_logic ()
             {}
         explicit internal_logic (const char *)
             {}
         void raise () {
             std::abort ();
         }
 #endif
     };
 
     struct external_logic
 #if ! defined (BOOST_NO_EXCEPTIONS) && ! defined (BOOST_UBLAS_NO_EXCEPTIONS)
         // Inherit from standard exceptions as requested during review.
         : public std::logic_error {
         explicit external_logic (const char *s = "external logic") :
             std::logic_error (s) {}
         // virtual const char *what () const throw () {
         //     return "exception: external logic";
         // }
         void raise () {
             throw *this;
         }
 #else
     {
         external_logic ()
             {}
         explicit external_logic (const char *)
             {}
         void raise () {
             std::abort ();
         }
 #endif
     };
 
     struct bad_argument
 #if ! defined (BOOST_NO_EXCEPTIONS) && ! defined (BOOST_UBLAS_NO_EXCEPTIONS)
         // Inherit from standard exceptions as requested during review.
         : public std::invalid_argument {
         explicit bad_argument (const char *s = "bad argument") :
             std::invalid_argument (s) {}
         void raise () {
             throw *this;
         }
 #else
     {
         bad_argument ()
             {}
         explicit bad_argument (const char *)
             {}
         void raise () {
             std::abort ();
         }
 #endif
     };
 
     /**
      */
     struct bad_size
 #if ! defined (BOOST_NO_EXCEPTIONS) && ! defined (BOOST_UBLAS_NO_EXCEPTIONS)
         // Inherit from standard exceptions as requested during review.
         : public std::domain_error {
         explicit bad_size (const char *s = "bad size") :
             std::domain_error (s) {}
         void raise () {
             throw *this;
         }
 #else
     {
         bad_size ()
             {}
         explicit bad_size (const char *)
             {}
         void raise () {
             std::abort ();
         }
 #endif
     };
 
     struct bad_index
 #if ! defined (BOOST_NO_EXCEPTIONS) && ! defined (BOOST_UBLAS_NO_EXCEPTIONS)
         // Inherit from standard exceptions as requested during review.
         : public std::out_of_range {
         explicit bad_index (const char *s = "bad index") :
             std::out_of_range (s) {}
         void raise () {
             throw *this;
         }
 #else
     {
         bad_index ()
             {}
         explicit bad_index (const char *)
             {}
         void raise () {
             std::abort ();
         }
 #endif
     };
 
     struct singular
 #if ! defined (BOOST_NO_EXCEPTIONS) && ! defined (BOOST_UBLAS_NO_EXCEPTIONS)
         // Inherit from standard exceptions as requested during review.
         : public std::runtime_error {
         explicit singular (const char *s = "singular") :
             std::runtime_error (s) {}
         void raise () {
             throw *this;
         }
 #else
     {
         singular ()
             {}
         explicit singular (const char *)
             {}
         void raise () {
             std::abort ();
         }
 #endif
     };
 
     struct non_real
 #if ! defined (BOOST_NO_EXCEPTIONS) && ! defined (BOOST_UBLAS_NO_EXCEPTIONS)
         // Inherit from standard exceptions as requested during review.
         : public std::domain_error {
         explicit non_real (const char *s = "exception: non real") :
             std::domain_error (s) {}
         void raise () {
             throw *this;
         }
 #else
      {
         non_real ()
             {}
         explicit non_real (const char *)
             {}
         void raise () {
             std::abort ();
         }
 #endif
     };
 
 #if BOOST_UBLAS_CHECK_ENABLE
 // Macros are equivilent to 
 //    template<class E>
 //    BOOST_UBLAS_INLINE
 //    void check (bool expression, const E &e) {
 //        if (! expression)
 //            e.raise ();
 //    }
 //    template<class E>
 //    BOOST_UBLAS_INLINE
 //    void check_ex (bool expression, const char *file, int line, const E &e) {
 //        if (! expression)
 //            e.raise ();
 //    }
 #ifndef BOOST_UBLAS_NO_STD_CERR
 #define BOOST_UBLAS_CHECK_FALSE(e) \
     std::cerr << "Check failed in file " << __FILE__ << " at line " << __LINE__ << ":" << std::endl; \
     e.raise ();
 #define BOOST_UBLAS_CHECK(expression, e) \
     if (! (expression)) { \
         std::cerr << "Check failed in file " << __FILE__ << " at line " << __LINE__ << ":" << std::endl; \
         std::cerr << #expression << std::endl; \
         e.raise (); \
     }
 #define BOOST_UBLAS_CHECK_EX(expression, file, line, e) \
     if (! (expression)) { \
         std::cerr << "Check failed in file " << (file) << " at line " << (line) << ":" << std::endl; \
         std::cerr << #expression << std::endl; \
         e.raise (); \
     }
 #else
 #define BOOST_UBLAS_CHECK_FALSE(e) \
     e.raise ();
 #define BOOST_UBLAS_CHECK(expression, e) \
     if (! (expression)) { \
         e.raise (); \
     }
 #define BOOST_UBLAS_CHECK_EX(expression, file, line, e) \
     if (! (expression)) { \
         e.raise (); \
     }
 #endif
 #else
 // Macros are equivilent to 
 //    template<class E>
 //    BOOST_UBLAS_INLINE
 //    void check (bool expression, const E &e) {}
 //    template<class E>
 //    BOOST_UBLAS_INLINE
 //    void check_ex (bool expression, const char *file, int line, const E &e) {}
 #define BOOST_UBLAS_CHECK_FALSE(e)
 #define BOOST_UBLAS_CHECK(expression, e)
 #define BOOST_UBLAS_CHECK_EX(expression, file, line, e)
 #endif
 
 
 #ifndef BOOST_UBLAS_USE_FAST_SAME
 // Macro is equivilent to 
 //    template<class T>
 //    BOOST_UBLAS_INLINE
 //    const T &same_impl (const T &size1, const T &size2) {
 //        BOOST_UBLAS_CHECK (size1 == size2, bad_argument ());
 //        return (std::min) (size1, size2);
 //    }
 // #define BOOST_UBLAS_SAME(size1, size2) same_impl ((size1), (size2))
      // need two types here because different containers can have
      // different size_types (especially sparse types)
     template<class T1, class T2>
     BOOST_UBLAS_INLINE
     // Kresimir Fresl and Dan Muller reported problems with COMO.
     // We better change the signature instead of libcomo ;-)
     // const T &same_impl_ex (const T &size1, const T &size2, const char *file, int line) {
     T1 same_impl_ex (const T1 &size1, const T2 &size2, const char *file, int line) {
         BOOST_UBLAS_CHECK_EX (size1 == size2, file, line, bad_argument ());
         return (size1 < size2)?(size1):(size2);
     }
     template<class T>
     BOOST_UBLAS_INLINE
     T same_impl_ex (const T &size1, const T &size2, const char *file, int line) {
         BOOST_UBLAS_CHECK_EX (size1 == size2, file, line, bad_argument ());
         return (std::min) (size1, size2);
     }
 #define BOOST_UBLAS_SAME(size1, size2) same_impl_ex ((size1), (size2), __FILE__, __LINE__)
 #else
 // Macros are equivilent to 
 //    template<class T>
 //    BOOST_UBLAS_INLINE
 //    const T &same_impl (const T &size1, const T &size2) {
 //        return size1;
 //    }
 // #define BOOST_UBLAS_SAME(size1, size2) same_impl ((size1), (size2))
 #define BOOST_UBLAS_SAME(size1, size2) (size1)
 #endif
 
 }}}
 
 #endif

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