API Docs for: 1.0.0
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MathFunction.NaturalLog Class

Extends MathFunction.FunctionWithArgs
Defined in: src/gallery-mathcanvas/js/NaturalLog.js:5
Module: gallery-mathcanvas

Natural logarithm.

Constructor

MathFunction.NaturalLog

(
  • f
)

Defined in src/gallery-mathcanvas/js/NaturalLog.js:5

Parameters:

Methods

_printArg

(
  • index
)
String protected

Inherited from MathFunction.FunctionWithArgs: src/gallery-mathcanvas/js/FunctionWithArgs.js:255

Print an argument, with parentheses if necessary.

Parameters:

Returns:

String: the string representation of the argument

evaluate

(
  • var_list
)

Inherited from MathFunction but overwritten in src/gallery-mathcanvas/js/NaturalLog.js:23

Parameters:

  • var_list Object

    map of variable names to values or MathFunctions

Returns:

the value of the function

evaluateArgs

(
  • var_list
)
protected

Inherited from MathFunction.FunctionWithArgs: src/gallery-mathcanvas/js/FunctionWithArgs.js:112

Parameters:

  • var_list Object

    map of variable names to values or MathFunctions

Returns:

list of argument values, from calling evaluate()

getArg

() MathFunction

Inherited from MathFunction.FunctionWithArgs: src/gallery-mathcanvas/js/FunctionWithArgs.js:56

Returns:

MathFunction: requested argument, or undefined

getArgCount

() Int

Inherited from MathFunction.FunctionWithArgs: src/gallery-mathcanvas/js/FunctionWithArgs.js:47

Returns:

Int: number of arguments

getParent

() MathFunction

Inherited from MathFunction: src/gallery-mathcanvas/js/MathFunction.js:23

Returns:

MathFunction: parent function or null

parenthesizeForPrint

(
  • f
)
Boolean protected

Inherited from MathFunction: src/gallery-mathcanvas/js/MathFunction.js:92

Parameters:

Returns:

Boolean: true if f needs to parenthesize us

parenthesizeForRender

(
  • f
)
Boolean protected

Inherited from MathFunction: src/gallery-mathcanvas/js/MathFunction.js:104

Parameters:

Returns:

Boolean: true if f needs to parenthesize us

prepareToRender

(
  • canvas
  • top_left
  • font_size
  • rect_list
)
Int

Inherited from MathFunction but overwritten in src/gallery-mathcanvas/js/FunctionWithArgs.js:127

Parameters:

  • canvas MathCanvas

    the drawing canvas

  • top_left Point

    x,y coordinates of the top left of the bounding box

  • font_size Float

    percentage of the base font size

  • rect_list RectList

    layout information

Returns:

Int: index of this items info in rect_list

render

(
  • canvas
  • rect_list
)

Inherited from MathFunction but overwritten in src/gallery-mathcanvas/js/FunctionWithArgs.js:205

Parameters:

  • canvas MathCanvas

    the drawing canvas

  • rect_list RectList

    layout information

replaceArg

(
  • origArg
  • newArg
)

Inherited from MathFunction.FunctionWithArgs: src/gallery-mathcanvas/js/FunctionWithArgs.js:92

If origArg is an argument, replaces origArg with newArg.

Parameters:

toString

()

Inherited from MathFunction but overwritten in src/gallery-mathcanvas/js/FunctionWithArgs.js:246

Returns:

text representation of the function