3 #include "isl_map_private.h"
5 static unsigned n(struct isl_div *d, enum isl_dim_type type)
7 struct isl_dim *dim = d->bmap->dim;
9 case isl_dim_param: return dim->nparam;
10 case isl_dim_in: return dim->n_in;
11 case isl_dim_out: return dim->n_out;
12 case isl_dim_div: return d->bmap->n_div;
16 static unsigned offset(struct isl_div *d, enum isl_dim_type type)
18 struct isl_dim *dim = d->bmap->dim;
20 case isl_dim_param: return 1 + 1;
21 case isl_dim_in: return 1 + 1 + dim->nparam;
22 case isl_dim_out: return 1 + 1 + dim->nparam + dim->n_in;
23 case isl_dim_div: return 1 + 1 + dim->nparam + dim->n_in + dim->n_out;
27 struct isl_div *isl_basic_map_div(struct isl_basic_map *bmap, isl_int **line)
34 div = isl_alloc_type(bmap->ctx, struct isl_div);
39 isl_ctx_ref(div->ctx);
46 isl_basic_map_free(bmap);
50 struct isl_div *isl_div_alloc(struct isl_dim *dim)
52 struct isl_basic_map *bmap;
57 bmap = isl_basic_map_alloc_dim(dim, 1, 0, 0);
61 isl_basic_map_alloc_div(bmap);
62 isl_seq_clr(bmap->div[0], 1 + 1 + isl_basic_map_total_dim(bmap));
63 return isl_basic_map_div(bmap, &bmap->div[0]);
66 struct isl_div *isl_div_free(struct isl_div *c)
74 isl_basic_map_free(c->bmap);
75 isl_ctx_deref(c->ctx);
79 void isl_div_get_constant(struct isl_div *div, isl_int *v)
83 isl_int_set(*v, div->line[0][1]);
86 void isl_div_get_denominator(struct isl_div *div, isl_int *v)
90 isl_int_set(*v, div->line[0][0]);
93 void isl_div_get_coefficient(struct isl_div *div,
94 enum isl_dim_type type, int pos, isl_int *v)
99 isl_assert(div->ctx, pos < n(div, type), return);
100 isl_int_set(*v, div->line[0][offset(div, type) + pos]);