TSP (libtsp/FN) - FNiLog2

## FNiLog2

#### Routine

int FNiLog2 (int a)

#### Purpose

Find the integer greater or equal to log (base 2)

#### Description

This function returns the number of bits needed to represent an integer. The input value must be positive.

#### Parameters

<- int FNiLog2
  Returned integer value
-> int a
  Input value

#### Author / revision

P. Kabal Copyright (C) 1997 / Revision 1.3 1997/10/10

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