| /* |
| * Copyright 2008-2009 Katholieke Universiteit Leuven |
| * |
| * Use of this software is governed by the GNU LGPLv2.1 license |
| * |
| * Written by Sven Verdoolaege, K.U.Leuven, Departement |
| * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium |
| */ |
| |
| #include <isl/int.h> |
| |
| uint32_t isl_gmp_hash(mpz_t v, uint32_t hash) |
| { |
| int sa = v[0]._mp_size; |
| int abs_sa = sa < 0 ? -sa : sa; |
| unsigned char *data = (unsigned char *)v[0]._mp_d; |
| unsigned char *end = data + abs_sa * sizeof(v[0]._mp_d[0]); |
| |
| if (sa < 0) |
| isl_hash_byte(hash, 0xFF); |
| for (; data < end; ++data) |
| isl_hash_byte(hash, *data); |
| return hash; |
| } |
