isl_pw_qpolynomial_bound: handle isl_pw_qpolynomials with wrapped domains

[platform/upstream/isl.git] / isl_ctx.c

diff --git a/isl_ctx.c b/isl_ctx.c
index dbda731..1cab6ad 100644 (file)
--- a/isl_ctx.c
+++ b/isl_ctx.c
@@ -84,6 +84,9 @@ isl_ctx *isl_ctx_alloc_with_options(struct isl_arg *arg, void *user_opt)
        isl_int_init(ctx->one);
        isl_int_set_si(ctx->one, 1);
 
+       isl_int_init(ctx->two);
+       isl_int_set_si(ctx->two, 2);
+
        isl_int_init(ctx->negone);
        isl_int_set_si(ctx->negone, -1);
 
@@ -91,6 +94,8 @@ isl_ctx *isl_ctx_alloc_with_options(struct isl_arg *arg, void *user_opt)
 
        ctx->n_cached = 0;
 
+       ctx->error = isl_error_none;
+
        return ctx;
 error:
        isl_arg_free(arg, user_opt);
@@ -129,6 +134,7 @@ void isl_ctx_free(struct isl_ctx *ctx)
        isl_blk_clear_cache(ctx);
        isl_int_clear(ctx->zero);
        isl_int_clear(ctx->one);
+       isl_int_clear(ctx->two);
        isl_int_clear(ctx->negone);
        isl_int_clear(ctx->normalize_gcd);
        isl_arg_free(ctx->user_arg, ctx->user_opt);
@@ -144,3 +150,13 @@ struct isl_options *isl_ctx_options(isl_ctx *ctx)
                return NULL;
        return ctx->opt;
 }
+
+enum isl_error isl_ctx_last_error(isl_ctx *ctx)
+{
+       return ctx->error;
+}
+
+void isl_ctx_reset_error(isl_ctx *ctx)
+{
+       ctx->error = isl_error_none;
+}