PowPrim Class Reference

Inheritance diagram for PowPrim:

Collaboration diagram for PowPrim:

Public Member Functions
	PowPrim ()
virtual unsigned int	arity ()
virtual bool	needCache ()
virtual Type	infereSigType (const vector< Type > &args)
virtual void	sigVisit (Tree sig, sigvisitor *visitor)
virtual int	infereSigOrder (const vector< int > &args)
virtual Tree	computeSigOutput (const vector< Tree > &args)
virtual string	generateCode (Klass *klass, const vector< string > &args, const vector< Type > &types)
virtual string	generateLateq (Lateq *lateq, const vector< string > &args, const vector< Type > &types)
virtual bool	isSpecialInfix ()
	generaly false, but true for binary op # such that #(x) == _::x More...
Public Member Functions inherited from xtended
	xtended (const char *name)
virtual	~xtended ()
Sym	symbol ()
const char *	name ()
Tree	box ()

Detailed Description

Definition at line 7 of file powprim.cpp.

Constructor & Destructor Documentation

PowPrim::PowPrim ( )

inline

Definition at line 12 of file powprim.cpp.

: xtended("pow") {}

Member Function Documentation

virtual unsigned int PowPrim::arity ( )

inlinevirtual

Implements xtended.

Definition at line 14 of file powprim.cpp.

Referenced by computeSigOutput(), generateCode(), generateLateq(), infereSigOrder(), and infereSigType().

{ return 2; }

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virtual Tree PowPrim::computeSigOutput ( const vector< Tree > &  args )

inlinevirtual

Implements xtended.

Definition at line 38 of file powprim.cpp.

References arity(), isNum(), pow(), xtended::symbol(), and tree().

                                                                {
        num n,m;
        assert (args.size() == arity());
        if (isNum(args[0],n) & isNum(args[1],m)) {
            return tree(pow(double(n), double(m)));
        } else {
            return tree(symbol(), args[0], args[1]);
        }
    }

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virtual string PowPrim::generateCode ( Klass *  klass, const vector< string > &  args, const vector< Type > &  types  )

inlinevirtual

Implements xtended.

Definition at line 48 of file powprim.cpp.

References arity(), isuffix(), kComp, kInt, kKonst, Klass::rememberNeedPowerDef(), and subst().

    {
        assert (args.size() == arity());
        assert (types.size() == arity());

        if ((types[1]->nature() == kInt) && (types[1]->variability() == kKonst) && (types[1]->computability() == kComp)) {
            klass->rememberNeedPowerDef();
            return subst("faustpower<$1>($0)", args[0], args[1]);
        } else {
            return subst("pow$2($0,$1)", args[0], args[1], isuffix());
        }
    }

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virtual string PowPrim::generateLateq ( Lateq *  lateq, const vector< string > &  args, const vector< Type > &  types  )

inlinevirtual

Implements xtended.

Definition at line 61 of file powprim.cpp.

References arity(), and subst().

    {
        assert (args.size() == arity());
        assert (types.size() == arity());
        
        return subst("{$0}^{$1}", args[0], args[1]);
    }

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virtual int PowPrim::infereSigOrder ( const vector< int > &  args )

inlinevirtual

Implements xtended.

Definition at line 32 of file powprim.cpp.

References arity(), and max().

                                                         {
        assert (args.size() == arity());
        return max(args[0], args[1]);
    }

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virtual Type PowPrim::infereSigType ( const vector< Type > &  args )

inlinevirtual

Implements xtended.

Definition at line 18 of file powprim.cpp.

References arity(), castInterval(), and pow().

    {
        assert (args.size() == arity());
        //return castInterval(floatCast(args[0]|args[1]), interval()); // temporary !!!
        //return castInterval(args[0]|args[1], interval()); // temporary !!!
        
        interval i = args[0]->getInterval();
        interval j = args[1]->getInterval();
        return castInterval(args[0]|args[1], pow(i,j));

    }

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virtual bool PowPrim::isSpecialInfix ( )

inlinevirtual

generaly false, but true for binary op # such that #(x) == _::x

Reimplemented from xtended.

Definition at line 71 of file powprim.cpp.

{ return true; }

virtual bool PowPrim::needCache ( )

inlinevirtual

Implements xtended.

Definition at line 16 of file powprim.cpp.

{ return true; }

virtual void PowPrim::sigVisit ( Tree  sig, sigvisitor *  visitor  )

inlinevirtual

Definition at line 30 of file powprim.cpp.

{}  

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The documentation for this class was generated from the following file:

• powprim.cpp