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1/*2 * Copyright 2014 INRIA Rocquencourt3 *4 * Use of this software is governed by the MIT license5 *6 * Written by Sven Verdoolaege,7 * Inria Paris - Rocquencourt, Domaine de Voluceau - Rocquencourt,8 * B.P. 105 - 78153 Le Chesnay, France9 */10 11#define xFN(TYPE,NAME) TYPE ## _ ## NAME12#define FN(TYPE,NAME) xFN(TYPE,NAME)13 14/* Return a map containing pairs of elements in the domains of "mpa1" and "mpa2"15 * where the function value of "mpa1" lexicographically compares as "ORDER"16 * to that of "mpa2". "space" is the space of the result.17 * The parameters of "mpa1" and "mpa2" are assumed to have been aligned.18 *19 * "mpa1" is in the given lexicographic order compared to "mpa2"20 * if, for some i, the i-th element of "mpa1" is in that order compared to21 * the i-th element of "mpa2" while all previous elements are22 * pairwise equal, where the order needs to be strict (not-equal)23 * if i corresponds to anything but the last element.24 * The strict version of "ORDER" is defined by "STRICT_ORDER",25 * which is the same if "ORDER" itself is strict.26 */27static __isl_give isl_map *FN(FN(isl_multi_pw_aff_lex,ORDER),map_on_space)(28 __isl_keep isl_multi_pw_aff *mpa1, __isl_keep isl_multi_pw_aff *mpa2,29 __isl_take isl_space *space)30{31 return isl_multi_pw_aff_lex_map_on_space(mpa1, mpa2,32 &FN(FN(isl_pw_aff,STRICT_ORDER),map),33 &FN(FN(isl_pw_aff,ORDER),map), space);34}35 36/* Return a map containing pairs of elements in the domains of "mpa1" and "mpa2"37 * where the function value of "mpa1" lexicographically compares as "ORDER"38 * to that of "mpa2".39 */40__isl_give isl_map *FN(FN(isl_multi_pw_aff_lex,ORDER),map)(41 __isl_take isl_multi_pw_aff *mpa1, __isl_take isl_multi_pw_aff *mpa2)42{43 return isl_multi_pw_aff_order_map(mpa1, mpa2,44 &FN(FN(isl_multi_pw_aff_lex,ORDER),map_on_space));45}46 47/* Return the subset of "map" where the domain and the range48 * have "mpa" values that lexicographically compare as "ORDER".49 */50__isl_give isl_map *FN(FN(isl_map_lex,ORDER),at_multi_pw_aff)(51 __isl_take isl_map *map, __isl_take isl_multi_pw_aff *mpa)52{53 return isl_map_order_at_multi_pw_aff(map, mpa,54 &FN(FN(isl_multi_pw_aff_lex,ORDER),map));55}56