SymEngine::EvalVisitor Class Reference

Inheritance diagram for SymEngine::EvalVisitor:

Collaboration diagram for SymEngine::EvalVisitor:

Public Member Functions
	EvalVisitor (unsigned long bits)
void	bvisit (const Number &x)
void	bvisit (const ComplexBase &x)
void	bvisit (const Constant &x)
void	bvisit (const NumberWrapper &x)
void	bvisit (const FunctionWrapper &x)
virtual RCP< const Basic >	apply (const RCP< const Basic > &x)
void	bvisit (const Basic &x)
void	bvisit (const Add &x)
void	bvisit (const Mul &x)
void	bvisit (const Pow &x)
void	bvisit (const OneArgFunction &x)
template<class T >
void	bvisit (const TwoArgBasic< T > &x)
void	bvisit (const MultiArgFunction &x)
void	bvisit (const Piecewise &x)
Public Member Functions inherited from SymEngine::TransformVisitor
virtual RCP< const Basic >	apply (const RCP< const Basic > &x)
void	bvisit (const Basic &x)
void	bvisit (const Add &x)
void	bvisit (const Mul &x)
void	bvisit (const Pow &x)
void	bvisit (const OneArgFunction &x)
template<class T >
void	bvisit (const TwoArgBasic< T > &x)
void	bvisit (const MultiArgFunction &x)
void	bvisit (const Piecewise &x)

Protected Attributes
unsigned long	bits
Protected Attributes inherited from SymEngine::TransformVisitor
RCP< const Basic >	result_

Detailed Description

Definition at line 54 of file eval.cpp.

Constructor & Destructor Documentation

EvalVisitor()

SymEngine::EvalVisitor::EvalVisitor ( unsigned long  bits )

inline

Definition at line 60 of file eval.cpp.

: bits(bits) {}

Member Function Documentation

apply()

RCP< const Basic > SymEngine::TransformVisitor::apply ( const RCP< const Basic > &  x )

virtual

Reimplemented from SymEngine::TransformVisitor.

Definition at line 244 of file visitor.cpp.

{
    x->accept(*this);
    return result_;
}

bvisit() [1/13]

void SymEngine::TransformVisitor::bvisit

(

const Add &

x

)

Definition at line 247 of file visitor.cpp.

{
    vec_basic newargs;
    for (const auto &a : x.get_args()) {
        newargs.push_back(apply(a));
    }
    result_ = add(newargs);
}

bvisit() [2/13]

void SymEngine::TransformVisitor::bvisit

(

const Basic &

x

)

Definition at line 246 of file visitor.cpp.

{
    result_ = x.rcp_from_this();
}

bvisit() [3/13]

void SymEngine::EvalVisitor::bvisit ( const ComplexBase &  x )

inline

Definition at line 67 of file eval.cpp.

    {
        result_ = evalf_numeric(x, bits, false);
    }

bvisit() [4/13]

void SymEngine::EvalVisitor::bvisit ( const Constant &  x )

inline

Definition at line 71 of file eval.cpp.

    {
        result_ = evalf_numeric(x, bits, true);
    }

bvisit() [5/13]

void SymEngine::EvalVisitor::bvisit ( const FunctionWrapper &  x )

inline

Definition at line 79 of file eval.cpp.

    {
        result_ = x.eval(bits)->rcp_from_this();
    }

bvisit() [6/13]

void SymEngine::TransformVisitor::bvisit

(

const Mul &

x

)

Definition at line 248 of file visitor.cpp.

{
    vec_basic newargs;
    for (const auto &a : x.get_args()) {
        newargs.push_back(apply(a));
    }
    result_ = mul(newargs);
}

bvisit() [7/13]

void SymEngine::TransformVisitor::bvisit

(

const MultiArgFunction &

x

)

Definition at line 264 of file visitor.cpp.

{
    auto fargs = x.get_args();
    vec_basic newargs;
    for (const auto &a : fargs) {
        newargs.push_back(apply(a));
    }
    auto nbarg = x.create(newargs);
    result_ = nbarg;
}

bvisit() [8/13]

void SymEngine::EvalVisitor::bvisit ( const Number &  x )

inline

Definition at line 63 of file eval.cpp.

    {
        result_ = evalf_numeric(x, bits, true);
    }

bvisit() [9/13]

void SymEngine::EvalVisitor::bvisit ( const NumberWrapper &  x )

inline

Definition at line 75 of file eval.cpp.

    {
        result_ = x.eval(bits)->rcp_from_this();
    }

bvisit() [10/13]

void SymEngine::TransformVisitor::bvisit

(

const OneArgFunction &

x

)

Definition at line 250 of file visitor.cpp.

{
    auto farg = x.get_arg();
    auto newarg = apply(farg);
    if (eq(*newarg, *farg)) {
        result_ = x.rcp_from_this();
    } else {
        result_ = x.create(newarg);
    }
}

bvisit() [11/13]

void SymEngine::TransformVisitor::bvisit

(

const Piecewise &

x

)

Definition at line 265 of file visitor.cpp.

{
    auto branch_cond_pairs = x.get_vec();
    PiecewiseVec new_pairs;
    for (const auto &branch_cond : branch_cond_pairs) {
        auto branch = branch_cond.first;
        auto cond = branch_cond.second;
        auto new_branch = apply(branch);
        auto new_cond = apply(cond);
        if (!is_a_Boolean(*new_cond)) {
            new_cond = Eq(new_cond, boolTrue);
        }
        new_pairs.push_back(
            {new_branch, rcp_static_cast<const Boolean>(new_cond)});
    }
    result_ = piecewise(new_pairs);
}

bvisit() [12/13]

void SymEngine::TransformVisitor::bvisit

(

const Pow &

x

)

Definition at line 249 of file visitor.cpp.

{
    auto base_ = x.get_base(), exp_ = x.get_exp();
    auto newarg1 = apply(base_), newarg2 = apply(exp_);
    if (base_ != newarg1 or exp_ != newarg2) {
        result_ = pow(newarg1, newarg2);
    } else {
        result_ = x.rcp_from_this();
    }
}

bvisit() [13/13]

template<class T >

void SymEngine::TransformVisitor::bvisit ( const TwoArgBasic< T > &  x )

inline

Definition at line 253 of file visitor.h.

    {
        auto farg1 = x.get_arg1(), farg2 = x.get_arg2();
        auto newarg1 = apply(farg1), newarg2 = apply(farg2);
        if (farg1 != newarg1 or farg2 != newarg2) {
            result_ = x.create(newarg1, newarg2);
        } else {
            result_ = x.rcp_from_this();
        }
    }

Field Documentation

bits

unsigned long SymEngine::EvalVisitor::bits

protected

Definition at line 57 of file eval.cpp.

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

• /home/runner/work/symengine/symengine/symengine/eval.cpp