cffi / demo /

The branch 'release-0.3' does not exist.
import sys
import cffi

ffi = cffi.FFI()


    typedef struct { ...; } MP_INT;
    typedef MP_INT mpz_t[1];

    int mpz_init_set_str (MP_INT *dest_integer, char *src_cstring, int base);
    void mpz_add (MP_INT *sum, MP_INT *addend1, MP_INT *addend2);
    char * mpz_get_str (char *string, int base, MP_INT *integer);


lib = ffi.verify("#include <gmp.h>",
                 libraries=['gmp', 'm'])

# ____________________________________________________________

a ="mpz_t")
b ="mpz_t")

lib.mpz_init_set_str(a, sys.argv[1], 10)	# Assume decimal integers
lib.mpz_init_set_str(b, sys.argv[2], 10)	# Assume decimal integers
lib.mpz_add(a, a, b)			# a=a+b

s = lib.mpz_get_str(ffi.NULL, 10, a)
print ffi.string(s)
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