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27 lines
707 B
27 lines
707 B
import cffi
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#
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# This is only a demo based on the GMP library.
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# There is a rather more complete (but perhaps outdated) version available at:
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# http://bazaar.launchpad.net/~tolot-solar-empire/+junk/gmpy_cffi/files
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#
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ffibuilder = cffi.FFI()
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ffibuilder.cdef("""
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typedef struct { ...; } MP_INT;
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typedef MP_INT mpz_t[1];
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int mpz_init_set_str (MP_INT *dest_integer, char *src_cstring, int base);
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void mpz_add (MP_INT *sum, MP_INT *addend1, MP_INT *addend2);
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char * mpz_get_str (char *string, int base, MP_INT *integer);
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""")
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ffibuilder.set_source('_gmp_cffi', "#include <gmp.h>",
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libraries=['gmp', 'm'])
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if __name__ == '__main__':
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ffibuilder.compile(verbose=True)
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