| /* |
| * Copyright 2010 INRIA Saclay |
| * |
| * Use of this software is governed by the MIT license |
| * |
| * Written by Sven Verdoolaege, INRIA Saclay - Ile-de-France, |
| * Parc Club Orsay Universite, ZAC des vignes, 4 rue Jacques Monod, |
| * 91893 Orsay, France |
| */ |
| |
| __isl_give PW *FN(PW,insert_dims)(__isl_take PW *pw, enum isl_dim_type type, |
| unsigned first, unsigned n) |
| { |
| int i; |
| enum isl_dim_type set_type; |
| |
| if (!pw) |
| return NULL; |
| if (n == 0 && !isl_space_is_named_or_nested(pw->dim, type)) |
| return pw; |
| |
| set_type = type == isl_dim_in ? isl_dim_set : type; |
| |
| pw = FN(PW,cow)(pw); |
| if (!pw) |
| return NULL; |
| |
| pw->dim = isl_space_insert_dims(pw->dim, type, first, n); |
| if (!pw->dim) |
| goto error; |
| |
| for (i = 0; i < pw->n; ++i) { |
| pw->p[i].set = isl_set_insert_dims(pw->p[i].set, |
| set_type, first, n); |
| if (!pw->p[i].set) |
| goto error; |
| pw->p[i].FIELD = FN(EL,insert_dims)(pw->p[i].FIELD, |
| type, first, n); |
| if (!pw->p[i].FIELD) |
| goto error; |
| } |
| |
| return pw; |
| error: |
| FN(PW,free)(pw); |
| return NULL; |
| } |
| |
| __isl_give PW *FN(PW,add_dims)(__isl_take PW *pw, enum isl_dim_type type, |
| unsigned n) |
| { |
| isl_size pos; |
| |
| pos = FN(PW,dim)(pw, type); |
| if (pos < 0) |
| return FN(PW,free)(pw); |
| |
| return FN(PW,insert_dims)(pw, type, pos, n); |
| } |