isl_pw_domain_reverse_templ.c

   1 /*
   2  * Copyright 2019      Cerebras Systems
   3  *
   4  * Use of this software is governed by the MIT license
   5  *
   6  * Written by Sven Verdoolaege,
   7  * Cerebras Systems, 175 S San Antonio Rd, Los Altos, CA, USA
   8  */
   9
  10 #include <isl/space.h>
  11 #include <isl/set.h>
  12
  13 /* Given a piecewise function on a domain (A -> B),
  14  * interchange A and B in the wrapped domain
  15  * to obtain a function on the domain (B -> A).
  16  */
  17 __isl_give PW *FN(PW,domain_reverse)(__isl_take PW *pw)
  18 {
  19         S(PW,un_op_control) control = {
  20                 .fn_space = &isl_space_domain_reverse,
  21                 .fn_domain = &isl_set_wrapped_reverse,
  22                 .fn_base = &FN(EL,domain_reverse),
  23         };
  24         return FN(PW,un_op)(pw, &control);
  25 }