2 * Copyright 2008-2009 Katholieke Universiteit Leuven
4 * Use of this software is governed by the GNU LGPLv2.1 license
6 * Written by Sven Verdoolaege, K.U.Leuven, Departement
7 * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
13 isl_ctx *isl_ctx_alloc_with_options(struct isl_options *opt)
15 struct isl_ctx *ctx = NULL;
20 ctx = isl_calloc_type(NULL, struct isl_ctx);
24 if (isl_hash_table_init(ctx, &ctx->name_hash, 0))
27 ctx->stats = isl_calloc_type(ctx, struct isl_stats);
34 isl_int_init(ctx->zero);
35 isl_int_set_si(ctx->zero, 0);
37 isl_int_init(ctx->one);
38 isl_int_set_si(ctx->one, 1);
40 isl_int_init(ctx->negone);
41 isl_int_set_si(ctx->negone, -1);
43 isl_int_init(ctx->normalize_gcd);
53 struct isl_ctx *isl_ctx_alloc()
55 struct isl_options *opt;
57 opt = isl_options_new_with_defaults();
59 return isl_ctx_alloc_with_options(opt);
62 void isl_ctx_ref(struct isl_ctx *ctx)
67 void isl_ctx_deref(struct isl_ctx *ctx)
69 isl_assert(ctx, ctx->ref > 0, return);
73 void isl_ctx_free(struct isl_ctx *ctx)
77 isl_assert(ctx, ctx->ref == 0, return);
78 isl_hash_table_clear(&ctx->name_hash);
79 isl_blk_clear_cache(ctx);
80 isl_int_clear(ctx->zero);
81 isl_int_clear(ctx->one);
82 isl_int_clear(ctx->negone);
83 isl_int_clear(ctx->normalize_gcd);
89 struct isl_options *isl_ctx_options(isl_ctx *ctx)