On Tuesday, March 22, 2011 11:29:04 PM Chris Radek did opine: > On Tue, Mar 22, 2011 at 09:11:04PM -0500, Igor Chudov wrote: > > > Greetings all; > > > > > > A couple of question regarding the math used in gcode handling. > > > > > > 1. What is the best way to turn a positive value into its exact > > > negative? I find constructs like g0x-[#<_var>] are rejected out of > > > hand, but its seems like there ought to be a better way than > > > #<_var-minus> = [[#<_var>] - [[#<_var>] + [#<_var>]]] > > > On a separate, confusing the issue line. > > > > G0 X[-#<var>] > > Older versions didn't have unary minus; in those you can use > [0-#123] > This is 2.4.6 now. ISTR I used something like that example a year or so back.
Thanks Chris. -- Cheers, Gene "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) <http://tinyurl.com/ddg5bz> <http://www.cantrip.org/gatto.html> When you're bored with yourself, marry, and be bored with someone else. -- David Pryce-Jones ------------------------------------------------------------------------------ Enable your software for Intel(R) Active Management Technology to meet the growing manageability and security demands of your customers. Businesses are taking advantage of Intel(R) vPro (TM) technology - will your software be a part of the solution? Download the Intel(R) Manageability Checker today! http://p.sf.net/sfu/intel-dev2devmar _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
