users@lists.research.att.com
Date: Fri, 27 Jun 2014 10:58:28 +0200
Subject: Re: [ast-users] A real number arithmetic issue
Yes, indeed, four years is obviously too old. :-)
I downloaded the binary from http://www2.research.att.com/sw/download/
and can confirm your results from the test case.
Just wondered tha
ux.i386-64); is above download link
still valid? - I noticed you are using a 2014 version.
Thanks!
Date: Thu, 26 Jun 2014 14:48:27 -0400
Subject: Re: [ast-users] A real number arithmetic issue
From: dgk...@gmail.com
To: janis_papanag...@hotmail.com; ast-users@lists.research.att.com
I suspect th
I suspect that this is because you are running a very old ksh93. Here is
what I get on ubuntu linux x86_63.13.0-30-generic4 release .
$ print $(( log(2.171828) ))
0.775569209249095711
$ print $(( log(200.0) / log(2.171828) ))
18.7071090052317417
$ print $(( log(200.0) / log(2) ))
20.9315
I've just noticed something strange with real number arithmetic in ksh.
The problem:
It seems that the fractional part in a division is interpreted as integer.
$ print $(( log(2.171828) ))
0.775569209249095711
$ print $(( log(200.0) / log(2.171828) ))
ksh: log(200.0) / log(2.171828) : di
