Hi, Thanks for both suggestions.
I have indeed tried gmpy. For me, it's not very important to choose between numpy or gmpy. I hope I won't be off topic. But, as I told you before, I have a C library using "long double" numbers and I would like to be able to use it in Python. I try to build a module with Swig but I didn't find the C function to use in the wrapper to have a "numpy.longdouble" (or the equivalent in gmpy). Is it something possible ? Charles -- http://mail.python.org/mailman/listinfo/python-list