I'm using 0.7.6, but didn't hear about fastcache. Can you tell me what is it.
Also, can you tell me will be there cache mixing in multithreaded environment like mod_wsgi? On Wednesday, February 25, 2015 at 10:58:53 PM UTC+2, Aaron Meurer wrote: > > Are you using 0.7.6 (note that it introduced a new cache)? And if so, > are you using fastcache? > > Aaron Meurer > > On Wed, Feb 25, 2015 at 10:04 AM, Paul Royik <[email protected] > <javascript:>> wrote: > > It appeared, that problem is with cache. > > Clearing cache solves the problem. > > > > Now, I want to ask, how cache is working in multithreaded environment? > > Do all people share same cache? > > > > > > On Wednesday, February 25, 2015 at 4:11:03 PM UTC+2, Paul Royik wrote: > >> > >> Hello. > >> > >> I recently needed to make all variables in expression positive. > >> > >> I do this like following: > >> > >> f = log(x) > >> a=Wild('a') > >> symbols = f.free_symbols > >> for symbol in symbols: > >> f = f.subs(symbol, dummy) > >> f = f.subs(symbol, sympy.Symbol(symbol.name, positive=True)) > >> > >> > >> Now, when I do f.replace(log(a), log(Abs(a))) it shows log(x) as > expected, > >> since x is positive > >> Now, make inverse process: convert positive to any > >> > >> for symbol in symbols: > >> f = f.subs(symbol, dummy) > >> f = f.subs(symbol, sympy.Symbol(symbol.name)) > >> > >> But f.replace(log(a), log(Abs(a))) shows log(x) and in debugger x is > still > >> positive. > >> > >> Setting f.subs(symbol, sympy.Symbol(symbol.name, positive=None)) > doesn't > >> help. > >> Helps following: > >> f.subs(symbol, sympy.Symbol(symbol.name, positive=False)) > >> But I don't want negative variable. > >> How can I just reset assumptions? > > > > -- > > You received this message because you are subscribed to the Google > Groups > > "sympy" group. > > To unsubscribe from this group and stop receiving emails from it, send > an > > email to [email protected] <javascript:>. > > To post to this group, send email to [email protected] > <javascript:>. > > Visit this group at http://groups.google.com/group/sympy. > > To view this discussion on the web visit > > > https://groups.google.com/d/msgid/sympy/300957bd-6491-4a70-98b1-1fe7edde327b%40googlegroups.com. > > > > > > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sympy. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/dfd961fc-ef83-4a54-aadf-9c9c37715670%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
