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