frexp


Name:
frexp - Decomposes its argument into an exponent of 2 and a factor
Synopsis:
double frexp -> double integer  
Examples:
-5 dexp frexp -> 0.5 -4  
Description:
 
This is an interface to the C++ function
double std::frexp(double,int*)
In accordance with the normalized representation of the mantissa
in IEEE doubles, the factor is in the interval [0.5,1).
References:
Stroustrup 3rd ed p 661  
Author:
Diesmann  
FirstVersion:
17.5.2005  
SeeAlso: Source:
/home/graber/work-nest/nest-git/nest-simulator/sli/slimath.cc