Sage won't run natively on Windows, you need Cygwin. This might explain why it does not work for you.
On Tuesday, January 30, 2018 at 1:35:45 PM UTC, J. Javan wrote: > > I can see that you have successfully linked against sage. > I also have a Qt GUI application which needs to do some mathematics in the > background. > This application is targeted for windows platforms. I have installed sage > from this link > <https://github.com/sagemath/sage-windows/releases/download/0.3/SageMath-8.1.exe> > . > Could you please guide me on how to link my app with sage? > > I'm running your code as below > > #include <Python.h> > > > int main(int argc, char *argv[]) > > { > > > int retVal = 0; > > Py_Initialize(); > > PySys_SetArgv(argc, (wchar_t**) argv); > > printf("1+1:\n"); > > PyRun_SimpleString("print (1+1)"); > > printf("Load sage \n"); > > retVal = PyRun_SimpleString("from sage.all import *"); > > printf("Factor 2310:\n"); > > PyRun_SimpleString("print factor(2310)"); > > Py_Finalize(); > > return 0; > > } > > > And this gives me the following output: > > 1+1: > 2 > Load sage > Traceback (most recent call last): > File "<string>", line 1, in <module> > ModuleNotFoundError: No module named 'sage' > Factor 2310: > File "<string>", line 1 > print factor(2310) > ^ > SyntaxError: invalid syntax > Press <RETURN> to close this window... > > The output is clearly stating that sage cannot be found. > This is because I have linked to my locally compiled python static > libraries(Actually I have downloaded python source code and linked against > it.) which are not aware of sage. > > Also I tried to link against python provided in sage installation but I > can't find any "python.lib" in it. > I have also set an environment variable $SAGE_LOCAL pointing to > "C:\Program Files\SageMath 8.1\runtime\opt\sagemath-8.1\local" but no luck. > > Environment: > Qt_v5.9 > Windows 7 > Python_v3.6.4 > Sage_v8.1 > > On Wednesday, September 14, 2011 at 4:15:58 AM UTC+4:30, Michael > Rubinstein wrote: >> >> Thanks! That worked for me too, though I'm not sure how you decided on >> the specific >> choices of libraries to link to. >> >> Mike >> >> On Sep 13, 6:39 pm, Willem Jan Palenstijn <w...@usecode.org> wrote: >> > On Tue, Sep 13, 2011 at 08:46:05AM -0700, Michael Rubinstein wrote: >> > >> > > I tried adding PySys_SetArgv(argc, argv); after Py_Initialize(); >> > > It gets me further but then gives a strange error message: >> > >> > > Loading the Sage library... >> > >> > > ------------------------------------------------------------ >> > > Unhandled SIGSEGV: A segmentation fault occurred in Sage. >> > > This probably occurred because a *compiled* component >> > > of Sage has a bug in it (typically accessing invalid memory) >> > > or is not properly wrapped with _sig_on, _sig_off. >> > > You might want to run Sage under gdb with 'sage -gdb' to debug this. >> > > Sage will now terminate (sorry). >> > > ------------------------------------------------------------ >> > >> > I've just tried it here with your embed.c + PySys_SetArgv(argc, argv), >> and it >> > works for me when I link against libpython2.6 dynamically: >> > >> > $ gcc -I$SAGE_LOCAL/include/python2.6 embed.c -lpython2.6 -lm -lutil >> -lpthread -ldl -o embed >> > $ ./embed >> > 1+1: >> > 2 >> > Load sage >> > Factor 2310: >> > 2 * 3 * 5 * 7 * 11 >> > $ >> > >> > This is 64 bit linux with sage 4.7.1rc1. >> > >> > -Willem Jan > > -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
