| /* |
| * 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 |
| */ |
| |
| #include <isl_pw_macro.h> |
| |
| __isl_give PW *FN(PW,split_dims)(__isl_take PW *pw, |
| enum isl_dim_type type, unsigned first, unsigned n) |
| { |
| int i; |
| isl_size n_piece; |
| |
| n_piece = FN(PW,n_piece)(pw); |
| if (n_piece < 0) |
| return FN(PW,free)(pw); |
| if (n == 0) |
| return pw; |
| |
| if (type == isl_dim_in) |
| type = isl_dim_set; |
| |
| for (i = 0; i < n; ++i) { |
| isl_set *domain; |
| |
| domain = FN(PW,take_domain_at)(pw, i); |
| domain = isl_set_split_dims(domain, type, first, n); |
| pw = FN(PW,restore_domain_at)(pw, i, domain); |
| } |
| |
| return pw; |
| } |
