numbers

Documentation

Overview

Package numbers implement elements representing numbers for the interpreter.

Index

• type Float
  • func NewFloat(expr elements.ExprAt, val *big.Float) *Float
  • func (n *Float) BinaryOp(ctx ir.Evaluator, expr *ir.BinaryExpr, x, y evaluator.NumericalElement) (evaluator.NumericalElement, error)
  • func (n *Float) CanonicalExpr() canonical.Canonical
  • func (n *Float) Cast(ctx ir.Evaluator, expr ir.AssignableExpr, target ir.Type) (evaluator.NumericalElement, error)
  • func (n *Float) Compare(x canonical.Comparable) bool
  • func (n *Float) Float() *big.Float
  • func (n *Float) Reshape(ctx ir.Evaluator, expr ir.AssignableExpr, ...) (evaluator.NumericalElement, error)
  • func (n *Float) Shape() *shape.Shape
  • func (n *Float) Simplify() canonical.Simplifier
  • func (n *Float) String() string
  • func (n *Float) Type() ir.Type
  • func (n *Float) UnaryOp(ctx ir.Evaluator, expr *ir.UnaryExpr) (evaluator.NumericalElement, error)
• type Int
  • func (n *Int) BinaryOp(ctx ir.Evaluator, expr *ir.BinaryExpr, x, y evaluator.NumericalElement) (evaluator.NumericalElement, error)
  • func (n *Int) CanonicalExpr() canonical.Canonical
  • func (n *Int) Cast(ctx ir.Evaluator, expr ir.AssignableExpr, target ir.Type) (evaluator.NumericalElement, error)
  • func (n *Int) Compare(x canonical.Comparable) bool
  • func (n *Int) Float() *big.Float
  • func (n *Int) Reshape(ctx ir.Evaluator, expr ir.AssignableExpr, ...) (evaluator.NumericalElement, error)
  • func (n *Int) Shape() *shape.Shape
  • func (n *Int) String() string
  • func (n *Int) Type() ir.Type
  • func (n *Int) UnaryOp(ctx ir.Evaluator, expr *ir.UnaryExpr) (evaluator.NumericalElement, error)
• type Number
  • func NewInt(expr elements.ExprAt, val *big.Int) Number

Types

type Float

type Float struct {
	// contains filtered or unexported fields
}

Float is a GX number.

func NewFloat

func NewFloat(expr elements.ExprAt, val *big.Float) *Float

NewFloat returns a new element Float number element.

func (*Float) BinaryOp

func (n *Float) BinaryOp(ctx ir.Evaluator, expr *ir.BinaryExpr, x, y evaluator.NumericalElement) (evaluator.NumericalElement, error)

BinaryOp applies a binary operator to x and y. Note that the receiver can be either the left or right argument.

func (*Float) CanonicalExpr

func (n *Float) CanonicalExpr() canonical.Canonical

CanonicalExpr returns the canonical expression used for comparison.

func (*Float) Cast

func (n *Float) Cast(ctx ir.Evaluator, expr ir.AssignableExpr, target ir.Type) (evaluator.NumericalElement, error)

Cast an element into a given data type.

func (*Float) Compare

func (n *Float) Compare(x canonical.Comparable) bool

Compare with another number.

func (*Float) Float

func (n *Float) Float() *big.Float

Float value of the number.

func (*Float) Reshape

func (n *Float) Reshape(ctx ir.Evaluator, expr ir.AssignableExpr, axisLengths []evaluator.NumericalElement) (evaluator.NumericalElement, error)

Reshape the number into an array.

func (*Float) Shape

func (n *Float) Shape() *shape.Shape

Shape of the value represented by the element.

func (*Float) Simplify

func (n *Float) Simplify() canonical.Simplifier

Simplify returns the expression simplified.

func (*Float) String

func (n *Float) String() string

String return the float literal.

func (*Float) Type

func (n *Float) Type() ir.Type

Type of the element.

func (*Float) UnaryOp

func (n *Float) UnaryOp(ctx ir.Evaluator, expr *ir.UnaryExpr) (evaluator.NumericalElement, error)

UnaryOp applies a unary operator on x.

type Int

type Int struct {
	// contains filtered or unexported fields
}

Int is a GX number.

func (*Int) BinaryOp

func (n *Int) BinaryOp(ctx ir.Evaluator, expr *ir.BinaryExpr, x, y evaluator.NumericalElement) (evaluator.NumericalElement, error)

BinaryOp applies a binary operator to x and y. Note that the receiver can be either the left or right argument.

func (*Int) CanonicalExpr

func (n *Int) CanonicalExpr() canonical.Canonical

CanonicalExpr returns the canonical expression used for comparison.

func (*Int) Cast

func (n *Int) Cast(ctx ir.Evaluator, expr ir.AssignableExpr, target ir.Type) (evaluator.NumericalElement, error)

Cast an element into a given data type.

func (*Int) Compare

func (n *Int) Compare(x canonical.Comparable) bool

Compare with another number.

func (*Int) Float

func (n *Int) Float() *big.Float

Float value of the integer.

func (*Int) Reshape

func (n *Int) Reshape(ctx ir.Evaluator, expr ir.AssignableExpr, axisLengths []evaluator.NumericalElement) (evaluator.NumericalElement, error)

Reshape the number into an array.

func (*Int) Shape

func (n *Int) Shape() *shape.Shape

Shape of the value represented by the element.

func (*Int) String

func (n *Int) String() string

String return the float literal.

func (*Int) Type

func (n *Int) Type() ir.Type

Type of the element.

func (*Int) UnaryOp

func (n *Int) UnaryOp(ctx ir.Evaluator, expr *ir.UnaryExpr) (evaluator.NumericalElement, error)

UnaryOp applies a unary operator on x.

type Number

type Number interface {
	evaluator.NumericalElement
	canonical.Comparable
	canonical.Evaluable
}

Number value in GX.

func NewInt

func NewInt(expr elements.ExprAt, val *big.Int) Number

NewInt returns a new element Int number element.