132 lines
3.8 KiB
C++
132 lines
3.8 KiB
C++
#ifndef LJKIWI_CKIWI_H_
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#define LJKIWI_CKIWI_H_
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#if !defined(_MSC_VER) || _MSC_VER >= 1900
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#undef LJKIWI_USE_FAM_1
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#else
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#define LJKIWI_USE_FAM_1
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#endif
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#ifdef __cplusplus
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namespace kiwi {
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class VariableData;
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class ConstraintData;
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} // namespace kiwi
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typedef kiwi::VariableData KiwiVar;
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typedef kiwi::ConstraintData KiwiConstraint;
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extern "C" {
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#else
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typedef struct KiwiVar KiwiVar;
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typedef struct KiwiConstraint KiwiConstraint;
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#endif
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#if defined __GNUC__ && (!defined _WIN32 || defined __CYGWIN__)
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#define LJKIWI_EXP __attribute__((visibility("default")))
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#elif defined _WIN32
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#define LJKIWI_EXP __declspec(dllexport)
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#endif
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// LuaJIT start
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enum KiwiErrKind {
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KiwiErrNone,
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KiwiErrUnsatisfiableConstraint = 1,
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KiwiErrUnknownConstraint,
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KiwiErrDuplicateConstraint,
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KiwiErrUnknownEditVariable,
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KiwiErrDuplicateEditVariable,
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KiwiErrBadRequiredStrength,
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KiwiErrInternalSolverError,
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KiwiErrAlloc,
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KiwiErrNullObject,
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KiwiErrUnknown,
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};
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enum KiwiRelOp { KIWI_OP_LE, KIWI_OP_GE, KIWI_OP_EQ };
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typedef struct KiwiTerm {
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KiwiVar* var;
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double coefficient;
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} KiwiTerm;
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typedef struct KiwiExpression {
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double constant;
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int term_count;
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void* owner;
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#if defined(LJKIWI_LUAJIT_DEF)
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KiwiTerm terms_[?];
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#elif defined(LJKIWI_USE_FAM_1)
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KiwiTerm terms_[1]; // LuaJIT: struct KiwiTerm terms_[?];
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#else
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KiwiTerm terms_[];
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#endif
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} KiwiExpression;
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typedef struct KiwiErr {
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enum KiwiErrKind kind;
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const char* message;
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bool must_free;
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} KiwiErr;
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struct KiwiSolver;
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LJKIWI_EXP KiwiVar* kiwi_var_construct(const char* name);
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LJKIWI_EXP void kiwi_var_release(KiwiVar* var);
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LJKIWI_EXP void kiwi_var_retain(KiwiVar* var);
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LJKIWI_EXP const char* kiwi_var_name(const KiwiVar* var);
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LJKIWI_EXP void kiwi_var_set_name(KiwiVar* var, const char* name);
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LJKIWI_EXP double kiwi_var_value(const KiwiVar* var);
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LJKIWI_EXP void kiwi_var_set_value(KiwiVar* var, double value);
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LJKIWI_EXP void kiwi_expression_retain(KiwiExpression* expr);
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LJKIWI_EXP void kiwi_expression_destroy(KiwiExpression* expr);
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LJKIWI_EXP KiwiConstraint* kiwi_constraint_construct(
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const KiwiExpression* lhs,
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const KiwiExpression* rhs,
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enum KiwiRelOp op,
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double strength
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);
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LJKIWI_EXP void kiwi_constraint_release(KiwiConstraint* c);
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LJKIWI_EXP void kiwi_constraint_retain(KiwiConstraint* c);
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LJKIWI_EXP double kiwi_constraint_strength(const KiwiConstraint* c);
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LJKIWI_EXP enum KiwiRelOp kiwi_constraint_op(const KiwiConstraint* c);
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LJKIWI_EXP bool kiwi_constraint_violated(const KiwiConstraint* c);
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LJKIWI_EXP int kiwi_constraint_expression(KiwiConstraint* c, KiwiExpression* out, int out_size);
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LJKIWI_EXP KiwiSolver* kiwi_solver_construct(unsigned error_mask);
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LJKIWI_EXP void kiwi_solver_destroy(KiwiSolver* s);
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LJKIWI_EXP unsigned kiwi_solver_get_error_mask(const KiwiSolver* s);
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LJKIWI_EXP void kiwi_solver_set_error_mask(KiwiSolver* s, unsigned mask);
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LJKIWI_EXP const KiwiErr* kiwi_solver_add_constraint(KiwiSolver* s, KiwiConstraint* constraint);
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LJKIWI_EXP const KiwiErr*
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kiwi_solver_remove_constraint(KiwiSolver* s, KiwiConstraint* constraint);
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LJKIWI_EXP bool kiwi_solver_has_constraint(const KiwiSolver* s, KiwiConstraint* constraint);
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LJKIWI_EXP const KiwiErr* kiwi_solver_add_edit_var(KiwiSolver* s, KiwiVar* var, double strength);
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LJKIWI_EXP const KiwiErr* kiwi_solver_remove_edit_var(KiwiSolver* s, KiwiVar* var);
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LJKIWI_EXP bool kiwi_solver_has_edit_var(const KiwiSolver* s, KiwiVar* var);
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LJKIWI_EXP const KiwiErr* kiwi_solver_suggest_value(KiwiSolver* s, KiwiVar* var, double value);
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LJKIWI_EXP void kiwi_solver_update_vars(KiwiSolver* sp);
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LJKIWI_EXP void kiwi_solver_reset(KiwiSolver* sp);
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LJKIWI_EXP void kiwi_solver_dump(const KiwiSolver* sp);
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LJKIWI_EXP char* kiwi_solver_dumps(const KiwiSolver* sp);
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// LuaJIT end
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#ifdef __cplusplus
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} // extern "C"
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#endif
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// Local Variables:
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// mode: c++
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// End:
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#endif // LJKIWI_CKIWI_H_
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