Re: How can I get a nonscalar logical variable into a compiled function?

*To*: mathgroup at smc.vnet.net*Subject*: [mg56196] Re: How can I get a nonscalar logical variable into a compiled function?*From*: dh <dh at metrohm.ch>*Date*: Tue, 19 Apr 2005 04:54:52 -0400 (EDT)*References*: <d3t3o2$8og$1@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Hi Ben, as arrays of boolean may not be fed to a compile function, you could simply represent True/False by 0/1 for the Input/Output of your function. Inside the functio, you may either choose to convert to True/False or you can proceed with 0/1, whatever suits you better. Sincerely, Daniel barrowes at alum.mit.edu wrote: > I can't seem to figure out how to get a nonscalar logical variable into > a compiled function. > > I can get a nonscalar variable of other kinds into compiled function or > a scalar True or False into a compiled function. > > For example the following two things work: > > fun1=Compile[{{x,_Real,2}} > Print[x]; > ]; > > fun2=Compile[{{x,True|False}} > Print[x]; > ]; > > but how can I specify a two-dimensional input variable into the second > case? > fun2=Compile[{{x,True|False,1}} > Print[x]; > ]; > doesn't work. It returns: > gg = {False, True, True, True, True, True, True} > fun2[gg] > CompiledFunction::cfsa: Argument {False, True, True, True, True, True, > True} \ > at position 1 should be a True or False. > > Can only scalar logical variables be input into compiled functions? Am > I missing something? > > Thanks, > Ben >