[Maxima] Bug 607079
Raymond Toy (RT/EUS)
raymond.toy at ericsson.com
Fri Jan 4 10:19:19 CST 2008
Rupert Swarbrick wrote:
> I don't understand the idiom such as at the top of solve where the prog
> defines local variables $keepfloat and $ratfac. These variables aren't
> used again in this function. Does this stop changes in a called function
> propagating globally or something?
prog binds those variables to nil by default. And since $keepfloat and
$ratfac are special variables, they're bound to nil for all the
functions called by solve.
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