// PiFast, copyright 1999-2001 Xavier Gourdon *************************************** * * * User constant file definition * * * *************************************** Version : 4.0 Constant name : Log2_Easy Comments : Log(2) = log [1/(1-1/2)] = sum_{n>0} 1/n/2^n . Number of series : 1 Series number 0 Beta : 1 Series type : 3 Z : 1/2 Approximate value : Log2_Easy = 0.693147180560