-#include "xtended.hh"
-#include "Text.hh"
-#include <math.h>
-#include "sigtyperules.hh"
-
-#include "floats.hh"
-
-class AbsPrim : public xtended
-{
-
- public:
-
- AbsPrim() : xtended("abs") {}
-
- virtual unsigned int arity () { return 1; }
-
- virtual bool needCache () { return true; }
-
- virtual Type infereSigType (const vector<Type>& types)
- {
- assert (types.size() == arity());
- Type t = types[0];
- return castInterval(t, abs(t->getInterval()));
- return t;
- }
-
- virtual void sigVisit (Tree sig, sigvisitor* visitor) {}
-
- virtual int infereSigOrder (const vector<int>& args)
- {
- assert (args.size() == arity());
- return args[0];
- }
-
-
- virtual Tree computeSigOutput (const vector<Tree>& args)
- {
- double f; int i;
-
- assert (args.size() == arity());
-
- if (isDouble(args[0]->node(),&f)) {
- return tree(fabs(f));
-
- } else if (isInt(args[0]->node(),&i)) {
- return tree(abs(i));
-
- } else {
- return tree(symbol(), args[0]);
- }
- }
-
- virtual string generateCode (Klass* klass, const vector<string>& args, const vector<Type>& types)
- {
- assert (args.size() == arity());
- assert (types.size() == arity());
-
- Type t = infereSigType(types);
- if (t->nature() == kReal) {
- return subst("fabs$1($0)", args[0], isuffix());
- } else {
- return subst("abs($0)", args[0]);
- }
- }
-
- virtual string generateLateq (Lateq* lateq, const vector<string>& args, const vector<Type>& types)
- {
- assert (args.size() == arity());
- assert (types.size() == arity());
-
- Type t = infereSigType(types);
- return subst("\\left\\lvert{$0}\\right\\rvert", args[0]);
- }
-};
-
-
-xtended* gAbsPrim = new AbsPrim();
-
-