sgn (FUN)ΒΆ

FUNCTION sgn : INT

This function will return the result of the signum function applied to input value \(x\):

\[\begin{split}\text{sgn}(x) = \begin{cases} -1 &\mbox{if } x < 0 \\0 &\mbox{if } x = 0 \\1 &\mbox{if } x > 0 \end{cases}\end{split}\]
InOut:

Scope

Name

Type

Comment

Return

sgn

INT

Input

lr

LREAL

input value \(x\)