You can subclass the CCodePrinter and change the method for sympy.I to print as you like. Examples are here: http://docs.sympy.org/latest/modules/printing.html
Jason moorepants.info +01 530-601-9791 On Thu, May 12, 2016 at 8:01 PM, chaowen guo <gcwenken....@ttu.edu> wrote: > Hi: > > The output of sympy.ccode(1+sympy.I) is '1+I' > > However, in c++14 mode, like g++ -std=c++14 source.cpp, the g++ compiler > does not think I is the imaginary unit. > > But in the http://en.cppreference.com/w/cpp/numeric/complex, I know that > after > > using namespace std::complex_literals; > I can use 1i to represent the imaginary unit. > > So how to tell ccode not to convert sympy.I into I but 1i? > > I just know that there just exists ccode to convert sympy expression into c > code. But I can not find any cppcode to convert sympy expression into c++ > code. > > -- > 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 sympy+unsubscr...@googlegroups.com. > To post to this group, send email to sympy@googlegroups.com. > Visit this group at https://groups.google.com/group/sympy. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sympy/4177732d-3956-4f12-b2b9-7edc27e845a4%40googlegroups.com > <https://groups.google.com/d/msgid/sympy/4177732d-3956-4f12-b2b9-7edc27e845a4%40googlegroups.com?utm_medium=email&utm_source=footer> > . > 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 sympy+unsubscr...@googlegroups.com. To post to this group, send email to sympy@googlegroups.com. Visit this group at https://groups.google.com/group/sympy. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/CAP7f1AiF55f8Q2hm%2BK27E39-HS%3DGL5VKxqNUcJrzEhKE_fbHbQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.