sc_fix.h

system C源码 一种替代verilog的语言

#define DEFN_ASN_OP_T(op,op2,tp)                                              \
inline                                                                        \
sc_fix&                                                                       \
sc_fix::operator op ( const tp& b )                                           \
{                                                                             \
    SC_FXNUM_OBSERVER_READ_( *this )                                          \
    b.observer_read();                                                        \
    int iwl_c = iwl();                                                        \
    for( int i = iwl_c - wl(); i < iwl_c; ++ i )                              \
	set_bit( i, get_bit( i ) op2 b.get_bit( i ) );                        \
    cast();                                                                   \
    SC_FXNUM_OBSERVER_WRITE_( *this )                                         \
    return *this;                                                             \
}

DEFN_ASN_OP_T(&=,&&,sc_fix)
DEFN_ASN_OP_T(&=,&&,sc_fix_fast)
DEFN_ASN_OP_T(|=,||,sc_fix)
DEFN_ASN_OP_T(|=,||,sc_fix_fast)
DEFN_ASN_OP_T(^=,!=,sc_fix)
DEFN_ASN_OP_T(^=,!=,sc_fix_fast)

#undef DEFN_ASN_OP_T


// auto-increment and auto-decrement

inline
const sc_fxval
sc_fix::operator ++ ( int )
{
    return sc_fxval( sc_fxnum::operator ++ ( 0 ) );
}

inline
const sc_fxval
sc_fix::operator -- ( int )
{
    return sc_fxval( sc_fxnum::operator -- ( 0 ) );
}

inline
sc_fix&
sc_fix::operator ++ ()
{
    sc_fxnum::operator ++ ();
    return *this;
}

inline
sc_fix&
sc_fix::operator -- ()
{
    sc_fxnum::operator -- ();
    return *this;
}


// ----------------------------------------------------------------------------
//  CLASS : sc_fix_fast
//
//  "Unconstrained" signed fixed-point class; limited precision.
// ----------------------------------------------------------------------------

// constructors

inline
sc_fix_fast::sc_fix_fast( sc_fxnum_fast_observer* observer_ )
: sc_fxnum_fast( sc_fxtype_params(),
		 SC_TC_,
		 sc_fxcast_switch(),
		 observer_ )
{}

inline
sc_fix_fast::sc_fix_fast( int wl_, int iwl_,
			  sc_fxnum_fast_observer* observer_ )
: sc_fxnum_fast( sc_fxtype_params( wl_, iwl_ ),
		 SC_TC_,
		 sc_fxcast_switch(),
		 observer_ )
{}

inline
sc_fix_fast::sc_fix_fast( sc_q_mode qm, sc_o_mode om,
			  sc_fxnum_fast_observer* observer_ )
: sc_fxnum_fast( sc_fxtype_params( qm, om ),
		 SC_TC_,
		 sc_fxcast_switch(),
		 observer_ )
{}

inline
sc_fix_fast::sc_fix_fast( sc_q_mode qm, sc_o_mode om, int nb,
			  sc_fxnum_fast_observer* observer_ )
: sc_fxnum_fast( sc_fxtype_params( qm, om, nb ),
		 SC_TC_,
		 sc_fxcast_switch(),
		 observer_ )
{}

inline
sc_fix_fast::sc_fix_fast( int wl_, int iwl_, sc_q_mode qm, sc_o_mode om,
			  sc_fxnum_fast_observer* observer_ )
: sc_fxnum_fast( sc_fxtype_params( wl_, iwl_, qm, om ),
		 SC_TC_,
		 sc_fxcast_switch(),
		 observer_ )
{}

inline
sc_fix_fast::sc_fix_fast( int wl_, int iwl_,
			  sc_q_mode qm, sc_o_mode om, int nb,
			  sc_fxnum_fast_observer* observer_ )
: sc_fxnum_fast( sc_fxtype_params( wl_, iwl_, qm, om, nb ),
		 SC_TC_,
		 sc_fxcast_switch(),
		 observer_ )
{}

inline
sc_fix_fast::sc_fix_fast( const sc_fxcast_switch& cast_sw,
			  sc_fxnum_fast_observer* observer_ )
: sc_fxnum_fast( sc_fxtype_params(),
		 SC_TC_,
		 cast_sw,
		 observer_ )
{}

inline
sc_fix_fast::sc_fix_fast( int wl_, int iwl_,
			  const sc_fxcast_switch& cast_sw,
			  sc_fxnum_fast_observer* observer_ )
: sc_fxnum_fast( sc_fxtype_params( wl_, iwl_ ),
		 SC_TC_,
		 cast_sw,
		 observer_ )
{}

inline
sc_fix_fast::sc_fix_fast( sc_q_mode qm, sc_o_mode om,
			  const sc_fxcast_switch& cast_sw,
			  sc_fxnum_fast_observer* observer_ )
: sc_fxnum_fast( sc_fxtype_params( qm, om ),
		 SC_TC_,
		 cast_sw,
		 observer_ )
{}

inline
sc_fix_fast::sc_fix_fast( sc_q_mode qm, sc_o_mode om, int nb,
			  const sc_fxcast_switch& cast_sw,
			  sc_fxnum_fast_observer* observer_ )
: sc_fxnum_fast( sc_fxtype_params( qm, om, nb ),
		 SC_TC_,
		 cast_sw,
		 observer_ )
{}

inline
sc_fix_fast::sc_fix_fast( int wl_, int iwl_, sc_q_mode qm, sc_o_mode om,
			  const sc_fxcast_switch& cast_sw,
			  sc_fxnum_fast_observer* observer_ )
: sc_fxnum_fast( sc_fxtype_params( wl_, iwl_, qm, om ),
		 SC_TC_,
		 cast_sw,
		 observer_ )
{}

inline
sc_fix_fast::sc_fix_fast( int wl_, int iwl_,
			  sc_q_mode qm, sc_o_mode om, int nb,
			  const sc_fxcast_switch& cast_sw,
			  sc_fxnum_fast_observer* observer_ )
: sc_fxnum_fast( sc_fxtype_params( wl_, iwl_, qm, om, nb ),
		 SC_TC_,
		 cast_sw,
		 observer_ )
{}

inline
sc_fix_fast::sc_fix_fast( const sc_fxtype_params& type_params,
			  sc_fxnum_fast_observer* observer_ )
: sc_fxnum_fast( type_params,
		 SC_TC_,
		 sc_fxcast_switch(),
		 observer_ )
{}

inline
sc_fix_fast::sc_fix_fast( const sc_fxtype_params& type_params,
			  const sc_fxcast_switch& cast_sw,
			  sc_fxnum_fast_observer* observer_ )
: sc_fxnum_fast( type_params,
		 SC_TC_,
		 cast_sw,
		 observer_ )
{}

#define DEFN_CTORS_T_A(tp)                                                    \
inline                                                                        \
sc_fix_fast::sc_fix_fast( tp a,                                               \
			  sc_fxnum_fast_observer* observer_ )                 \
: sc_fxnum_fast( a,                                                           \
		 sc_fxtype_params(),                                          \
		 SC_TC_,                                                      \
		 sc_fxcast_switch(),                                          \
		 observer_ )                                                  \
{}                                                                            \
                                                                              \
inline                                                                        \
sc_fix_fast::sc_fix_fast( tp a,                                               \
			  int wl_, int iwl_,                                  \
			  sc_fxnum_fast_observer* observer_ )                 \
: sc_fxnum_fast( a,                                                           \
		 sc_fxtype_params( wl_, iwl_ ),                               \
		 SC_TC_,                                                      \
		 sc_fxcast_switch(),                                          \
		 observer_ )                                                  \
{}                                                                            \
                                                                              \
inline                                                                        \
sc_fix_fast::sc_fix_fast( tp a,                                               \
			  sc_q_mode qm, sc_o_mode om,                         \
			  sc_fxnum_fast_observer* observer_ )                 \
: sc_fxnum_fast( a,                                                           \
		 sc_fxtype_params( qm, om ),                                  \
		 SC_TC_,                                                      \
		 sc_fxcast_switch(),                                          \
		 observer_ )                                                  \
{}                                                                            \
                                                                              \
inline                                                                        \
sc_fix_fast::sc_fix_fast( tp a,                                               \
			  sc_q_mode qm, sc_o_mode om, int nb,                 \
			  sc_fxnum_fast_observer* observer_ )                 \
: sc_fxnum_fast( a,                                                           \
		 sc_fxtype_params( qm, om, nb ),                              \
		 SC_TC_,                                                      \
		 sc_fxcast_switch(),                                          \
		 observer_ )                                                  \
{}                                                                            \
                                                                              \
inline                                                                        \
sc_fix_fast::sc_fix_fast( tp a,                                               \
			  int wl_, int iwl_, sc_q_mode qm, sc_o_mode om,      \
			  sc_fxnum_fast_observer* observer_ )                 \
: sc_fxnum_fast( a,                                                           \
		 sc_fxtype_params( wl_, iwl_, qm, om ),                       \
		 SC_TC_,                                                      \
		 sc_fxcast_switch(),                                          \
		 observer_ )                                                  \
{}                                                                            \
                                                                              \
inline                                                                        \
sc_fix_fast::sc_fix_fast( tp a,                                               \
			  int wl_, int iwl_,                                  \
			  sc_q_mode qm, sc_o_mode om, int nb,                 \
			  sc_fxnum_fast_observer* observer_ )                 \
: sc_fxnum_fast( a,                                                           \
		 sc_fxtype_params( wl_, iwl_, qm, om, nb ),                   \
		 SC_TC_,                                                      \
		 sc_fxcast_switch(),                                          \
		 observer_ )                                                  \
{}                                                                            \
                                                                              \
inline                                                                        \
sc_fix_fast::sc_fix_fast( tp a,                                               \
			  const sc_fxcast_switch& cast_sw,                    \
			  sc_fxnum_fast_observer* observer_ )                 \
: sc_fxnum_fast( a,                                                           \
		 sc_fxtype_params(),                                          \
		 SC_TC_,                                                      \
		 cast_sw,                                                     \
		 observer_ )                                                  \
{}                                                                            \
                                                                              \
inline                                                                        \
sc_fix_fast::sc_fix_fast( tp a,                                               \
			  int wl_, int iwl_,                                  \
			  const sc_fxcast_switch& cast_sw,                    \
			  sc_fxnum_fast_observer* observer_ )                 \
: sc_fxnum_fast( a,                                                           \
		 sc_fxtype_params( wl_, iwl_ ),                               \
		 SC_TC_,