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#ifndef OMEGATOOLS_HH
#define OMEGATOOLS_HH
#include <string>
#include <omega.h>
#include "dep.hh"
#include "ir_code.hh"
std::string tmp_e();
void exp2formula(IR_Code *ir,
omega::Relation &r,
omega::F_And *f_root,
std::vector<omega::Free_Var_Decl *> &freevars,
omega::CG_outputRepr *repr,
omega::Variable_ID lhs,
char side,
IR_CONDITION_TYPE rel,
bool destroy,
std::map<std::string, std::vector<omega::CG_outputRepr * > > &uninterpreted_symbols,
std::map<std::string, std::vector<omega::CG_outputRepr * > > &uninterpreted_symbols_stringrepr);
omega::Relation arrays2relation(IR_Code *ir, std::vector<omega::Free_Var_Decl*> &freevars,
const IR_ArrayRef *ref_src, const omega::Relation &IS_w,
const IR_ArrayRef *ref_dst, const omega::Relation &IS_r,
std::map<std::string, std::vector<omega::CG_outputRepr * > > &uninterpreted_symbols,
std::map<std::string, std::vector<omega::CG_outputRepr * > > &uninterpreted_symbols_stringrepr);
std::pair<std::vector<DependenceVector>, std::vector<DependenceVector> > relation2dependences(
const IR_ArrayRef *ref_src, const IR_ArrayRef *ref_dst, const omega::Relation &r);
void exp2constraint(IR_Code *ir, omega::Relation &r, omega::F_And *f_root,
std::vector<omega::Free_Var_Decl *> &freevars,
omega::CG_outputRepr *repr, bool destroy,
std::map<std::string, std::vector<omega::CG_outputRepr * > > &uninterpreted_symbols,
std::map<std::string, std::vector<omega::CG_outputRepr * > > &uninterpreted_symbols_stringrepr);
bool is_single_iteration(const omega::Relation &r, int dim);
void assign_const(omega::Relation &r, int dim, int val);
int get_const(const omega::Relation &r, int dim, omega::Var_Kind type);
omega::Variable_ID find_index(omega::Relation &r, const std::string &s, char side);
omega::Relation permute_relation(const std::vector<int> &pi);
omega::Relation get_loop_bound(const omega::Relation &r, int dim);
bool is_single_loop_iteration(const omega::Relation &r, int level, const omega::Relation &known);
omega::Relation get_loop_bound(const omega::Relation &r, int level, const omega::Relation &known);
omega::Relation get_max_loop_bound(const std::vector<omega::Relation> &r, int dim);
omega::Relation get_min_loop_bound(const std::vector<omega::Relation> &r, int dim);
void add_loop_stride(omega::Relation &r, const omega::Relation &bound, int dim, int stride);
bool is_inner_loop_depend_on_level(const omega::Relation &r, int level, const omega::Relation &known);
// void adjust_loop_bound(omega::Relation &r, int dim, int adjustment, std::vector<omega::Free_Var_Decl *> globals = std::vector<omega::Free_Var_Decl *>());
omega::Relation adjust_loop_bound(const omega::Relation &r, int level, int adjustment);
bool lowerBoundIsZero(const omega::Relation &bound, int dim);
omega::Relation and_with_relation_and_replace_var(const omega::Relation &R, omega::Variable_ID v1,
omega::Relation &g);
omega::Relation replicate_IS_and_add_at_pos(const omega::Relation &R, int level, omega::Relation &bound);
omega::Relation replicate_IS_and_add_bound(const omega::Relation &R, int level, omega::Relation &bound) ;
omega::CG_outputRepr * construct_int_floor(omega::CG_outputBuilder * ocg, const omega::Relation &R, const omega::GEQ_Handle &h, omega::Variable_ID v,const std::vector<std::pair<omega::CG_outputRepr *, int> > &assigned_on_the_fly,
std::map<std::string, std::vector<omega::CG_outputRepr *> > unin);
//omega::CG_outputRepr * modified_output_subs_repr(omega::CG_outputBuilder * ocg, const omega::Relation &R, const omega::EQ_Handle &h, omega::Variable_ID v,const std::vector<std::pair<omega::CG_outputRepr *, int> > &assigned_on_the_fly,
// std::map<std::string, std::vector<omega::CG_outputRepr *> > unin);
std::pair<omega::Relation, bool> replace_set_var_as_existential(const omega::Relation &R,int pos, std::vector<omega::Relation> &bound);
omega::Relation replace_set_var_as_Global(const omega::Relation &R,int pos,std::vector<omega::Relation> &bound);
omega::Relation replace_set_var_as_another_set_var(const omega::Relation &old_relation, const omega::Relation &new_relation, int old_pos, int new_pos);
omega::Relation extract_upper_bound(const omega::Relation &R, omega::Variable_ID v1);
// void adjust_loop_bound(Relation &r, int dim, int adjustment);
// void adjust_loop_bound(Relation &r, int dim, Free_Var_Decl *global_var, int adjustment);
// boolean is_private_statement(const omega::Relation &r, int dim);
// coef_t mod(const Relation &r, Variable_ID v, int dividend);
enum LexicalOrderType {LEX_MATCH, LEX_BEFORE, LEX_AFTER, LEX_UNKNOWN};
// template <typename T>
// LexicalOrderType lexical_order(const std::vector<T> &a, const std::vector<T> &b) {
// int size = min(a.size(), b.size());
// for (int i = 0; i < size; i++) {
// if (a[i] < b[i])
// return LEX_BEFORE;
// else if (b[i] < a[i])
// return LEX_AFTER;
// }
// if (a.size() < b.size())
// return LEX_BEFORE;
// else if (b.size() < a.size())
// return LEX_AFTER;
// else
// return LEX_MATCH;
// }
// struct LoopException {
// std::string descr;
// LoopException(const std::string &s): descr(s) {};
// };
#endif
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