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Diffstat (limited to 'cloog-0.17.0/isl/isl_seq.c')
-rw-r--r-- | cloog-0.17.0/isl/isl_seq.c | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/cloog-0.17.0/isl/isl_seq.c b/cloog-0.17.0/isl/isl_seq.c deleted file mode 100644 index dd80c19..0000000 --- a/cloog-0.17.0/isl/isl_seq.c +++ /dev/null @@ -1,291 +0,0 @@ -/* - * 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_ctx_private.h> -#include <isl/seq.h> - -void isl_seq_clr(isl_int *p, unsigned len) -{ - int i; - for (i = 0; i < len; ++i) - isl_int_set_si(p[i], 0); -} - -void isl_seq_set(isl_int *p, isl_int v, unsigned len) -{ - int i; - for (i = 0; i < len; ++i) - isl_int_set(p[i], v); -} - -void isl_seq_neg(isl_int *dst, isl_int *src, unsigned len) -{ - int i; - for (i = 0; i < len; ++i) - isl_int_neg(dst[i], src[i]); -} - -void isl_seq_cpy(isl_int *dst, isl_int *src, unsigned len) -{ - int i; - for (i = 0; i < len; ++i) - isl_int_set(dst[i], src[i]); -} - -void isl_seq_submul(isl_int *dst, isl_int f, isl_int *src, unsigned len) -{ - int i; - for (i = 0; i < len; ++i) - isl_int_submul(dst[i], f, src[i]); -} - -void isl_seq_addmul(isl_int *dst, isl_int f, isl_int *src, unsigned len) -{ - int i; - for (i = 0; i < len; ++i) - isl_int_addmul(dst[i], f, src[i]); -} - -void isl_seq_swp_or_cpy(isl_int *dst, isl_int *src, unsigned len) -{ - int i; - for (i = 0; i < len; ++i) - isl_int_swap_or_set(dst[i], src[i]); -} - -void isl_seq_scale(isl_int *dst, isl_int *src, isl_int m, unsigned len) -{ - int i; - for (i = 0; i < len; ++i) - isl_int_mul(dst[i], src[i], m); -} - -void isl_seq_scale_down(isl_int *dst, isl_int *src, isl_int m, unsigned len) -{ - int i; - for (i = 0; i < len; ++i) - isl_int_divexact(dst[i], src[i], m); -} - -void isl_seq_cdiv_q(isl_int *dst, isl_int *src, isl_int m, unsigned len) -{ - int i; - for (i = 0; i < len; ++i) - isl_int_cdiv_q(dst[i], src[i], m); -} - -void isl_seq_fdiv_q(isl_int *dst, isl_int *src, isl_int m, unsigned len) -{ - int i; - for (i = 0; i < len; ++i) - isl_int_fdiv_q(dst[i], src[i], m); -} - -void isl_seq_fdiv_r(isl_int *dst, isl_int *src, isl_int m, unsigned len) -{ - int i; - for (i = 0; i < len; ++i) - isl_int_fdiv_r(dst[i], src[i], m); -} - -void isl_seq_combine(isl_int *dst, isl_int m1, isl_int *src1, - isl_int m2, isl_int *src2, unsigned len) -{ - int i; - isl_int tmp; - - isl_int_init(tmp); - for (i = 0; i < len; ++i) { - isl_int_mul(tmp, m1, src1[i]); - isl_int_addmul(tmp, m2, src2[i]); - isl_int_set(dst[i], tmp); - } - isl_int_clear(tmp); -} - -/* - * Let d = dst[pos] and s = src[pos] - * dst is replaced by |s| dst - sgn(s)d src - */ -void isl_seq_elim(isl_int *dst, isl_int *src, unsigned pos, unsigned len, - isl_int *m) -{ - isl_int a; - isl_int b; - - if (isl_int_is_zero(dst[pos])) - return; - - isl_int_init(a); - isl_int_init(b); - - isl_int_gcd(a, src[pos], dst[pos]); - isl_int_divexact(b, dst[pos], a); - if (isl_int_is_pos(src[pos])) - isl_int_neg(b, b); - isl_int_divexact(a, src[pos], a); - isl_int_abs(a, a); - isl_seq_combine(dst, a, dst, b, src, len); - - if (m) - isl_int_mul(*m, *m, a); - - isl_int_clear(a); - isl_int_clear(b); -} - -int isl_seq_eq(isl_int *p1, isl_int *p2, unsigned len) -{ - int i; - for (i = 0; i < len; ++i) - if (isl_int_ne(p1[i], p2[i])) - return 0; - return 1; -} - -int isl_seq_cmp(isl_int *p1, isl_int *p2, unsigned len) -{ - int i; - int cmp; - for (i = 0; i < len; ++i) - if ((cmp = isl_int_cmp(p1[i], p2[i])) != 0) - return cmp; - return 0; -} - -int isl_seq_is_neg(isl_int *p1, isl_int *p2, unsigned len) -{ - int i; - - for (i = 0; i < len; ++i) { - if (isl_int_abs_ne(p1[i], p2[i])) - return 0; - if (isl_int_is_zero(p1[i])) - continue; - if (isl_int_eq(p1[i], p2[i])) - return 0; - } - return 1; -} - -int isl_seq_first_non_zero(isl_int *p, unsigned len) -{ - int i; - - for (i = 0; i < len; ++i) - if (!isl_int_is_zero(p[i])) - return i; - return -1; -} - -int isl_seq_last_non_zero(isl_int *p, unsigned len) -{ - int i; - - for (i = len - 1; i >= 0; --i) - if (!isl_int_is_zero(p[i])) - return i; - return -1; -} - -int isl_seq_abs_min_non_zero(isl_int *p, unsigned len) -{ - int i, min = isl_seq_first_non_zero(p, len); - if (min < 0) - return -1; - for (i = min + 1; i < len; ++i) { - if (isl_int_is_zero(p[i])) - continue; - if (isl_int_abs_lt(p[i], p[min])) - min = i; - } - return min; -} - -void isl_seq_gcd(isl_int *p, unsigned len, isl_int *gcd) -{ - int i, min = isl_seq_abs_min_non_zero(p, len); - - if (min < 0) { - isl_int_set_si(*gcd, 0); - return; - } - isl_int_abs(*gcd, p[min]); - for (i = 0; isl_int_cmp_si(*gcd, 1) > 0 && i < len; ++i) { - if (i == min) - continue; - if (isl_int_is_zero(p[i])) - continue; - isl_int_gcd(*gcd, *gcd, p[i]); - } -} - -void isl_seq_normalize(struct isl_ctx *ctx, isl_int *p, unsigned len) -{ - if (len == 0) - return; - isl_seq_gcd(p, len, &ctx->normalize_gcd); - if (!isl_int_is_zero(ctx->normalize_gcd) && - !isl_int_is_one(ctx->normalize_gcd)) - isl_seq_scale_down(p, p, ctx->normalize_gcd, len); -} - -void isl_seq_lcm(isl_int *p, unsigned len, isl_int *lcm) -{ - int i; - - if (len == 0) { - isl_int_set_si(*lcm, 1); - return; - } - isl_int_set(*lcm, p[0]); - for (i = 1; i < len; ++i) - isl_int_lcm(*lcm, *lcm, p[i]); -} - -void isl_seq_inner_product(isl_int *p1, isl_int *p2, unsigned len, - isl_int *prod) -{ - int i; - if (len == 0) { - isl_int_set_si(*prod, 0); - return; - } - isl_int_mul(*prod, p1[0], p2[0]); - for (i = 1; i < len; ++i) - isl_int_addmul(*prod, p1[i], p2[i]); -} - -uint32_t isl_seq_hash(isl_int *p, unsigned len, uint32_t hash) -{ - int i; - for (i = 0; i < len; ++i) { - if (isl_int_is_zero(p[i])) - continue; - hash *= 16777619; - hash ^= (i & 0xFF); - hash = isl_int_hash(p[i], hash); - } - return hash; -} - -uint32_t isl_seq_get_hash(isl_int *p, unsigned len) -{ - uint32_t hash = isl_hash_init(); - - return isl_seq_hash(p, len, hash); -} - -uint32_t isl_seq_get_hash_bits(isl_int *p, unsigned len, unsigned bits) -{ - uint32_t hash; - - hash = isl_seq_get_hash(p, len); - return isl_hash_bits(hash, bits); -} |