PINE LIBRARY

MathComplexEvaluate

Updated
Library "MathComplexEvaluate"
TODO: add library description here

is_op(char) Check if char is a operator.
Parameters:
  • char: string, 1 character string.

Returns: bool.

operator(op, left, right) operation between left and right values.
Parameters:
  • op: string, operator string character.
  • left: float, left value of operation.
  • right: float, right value of operation.



operator_precedence(op) level of precedence of operator.
Parameters:
  • op: string, operator 1 char string.

Returns: int.

eval() evaluate a string with references to a array of arguments.
| param tokens string, arithmetic operations with references to indices in arguments, ex:"0+1*0+2*2+3" arguments[1, 2, 3]
| param arguments float array, arguments.
| Returns float, solution.
Release Notes
v2

Added:
parse(expression)
  Parse a string expression that may contain numbers and complex numbers.
  Parameters:
    expression: string . Expression to evaluate, ex:. `"2i*(3+2-3J)-2.0e3+1.0e-15i"`.
  Returns: Complex number. Solution.

Updated:
eval(expression, arguments)
  evaluate a string with references to a array of arguments.
| param expression string, arithmetic operations with references to indices in arguments, ex:"0+1*0+2*2+3" arguments[1, 2, 3]
| param arguments float array, arguments.
| Returns Complex Number, solution.
  Parameters:
    expression
    arguments

Removed:
is_op(char)
  Check if char is a operator.

operator(op, left, right)
  operation between left and right values.

operator_precedence(op)
  level of precedence of operator.
Release Notes
v3 minor update.
arrayscomplexevaluationMATHstring

Pine library

In true TradingView spirit, the author has published this Pine code as an open-source library so that other Pine programmers from our community can reuse it. Cheers to the author! You may use this library privately or in other open-source publications, but reuse of this code in a publication is governed by House rules.

Disclaimer