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CDL - EVAL: Difference between revisions
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To be able to accomplish the calculations, on e needs certain additional functions such as SUM, LN and EXP. The functions which are available to the user are described below. The list will grow as the functions become available. | To be able to accomplish the calculations, on e needs certain additional functions such as SUM, LN and EXP. The functions which are available to the user are described below. The list will grow as the functions become available. | ||
Each equation is formulated between square brackets and is meant to modify a weather variable. Available to the user are functions, the weather variables and the mathematical operators +, -, * and /. | == Equation == | ||
Each equation is formulated between square brackets and is meant to modify a weather variable. Available to the user are functions, the weather variables and the mathematical operators +, -, * and /. EVAL Equations are more or less formally described as: | |||
EVAL '[' Equation ']' | |||
Equation := Term [ '+'|'-'|'*'|'/' Term ] | |||
Term := '(' Equation ')' | Function '(' Equation ')' | Plotvariable | Number | |||
Number := <Integer>[.[<Integer>]] | |||
== Functions == | == Functions == | ||