Name:Sign - returns the sign of its argument
Synopsis:
integer Sign -1,0, or 1
double Sign -1,0, or 1
Description:
The C++ standard library does not define a sign function because
there is no general agreement on the return value for 0. The function
Sign implements the decision made for Mathematica: if the argument is
0, Sign returns 0.
Parameters:
The return value is always an integer
References:
[1] The Mathematica Book "Sign"
Author:
Diesmann
FirstVersion:
2007.11.28
SeeAlso:
Source:/builddir/build/BUILD/nest-simulator-2.14.0/lib/sli/mathematica.sli