CoCoA:ILogBase

From ApCoCoAWiki

ILogBase

integer part of the logarithm

Description

This function computes the integer part (floor) of the logarithm of a

rational number in a given base. The signs of X and Base are ignored.

Example

  ILogBase(128,2);
7
-------------------------------
  ILogBase(81.5,3);
4
-------------------------------

Syntax

ILogBase(X:RAT, Base:INT):INT
   <type>integer</type>
   <type>rat</type>