+++ /dev/null
-#include "xtended.hh"
-#include "Text.hh"
-#include <math.h>
-
-#include "floats.hh"
-
-
-class SqrtPrim : public xtended
-{
-
- public:
-
- SqrtPrim() : xtended("sqrt") {}
-
- virtual unsigned int arity () { return 1; }
-
- virtual bool needCache () { return true; }
-
- virtual Type infereSigType (const vector<Type>& args)
- {
- assert (args.size() == 1);
- Type t = args[0];
- interval i = t->getInterval();
- if (i.valid && i.lo >=0) {
- return castInterval(floatCast(t), interval(sqrt(i.lo), sqrt(i.hi)));
- } else {
- return castInterval(floatCast(t), interval());
- }
- }
-
- virtual void sigVisit (Tree sig, sigvisitor* visitor) {}
-
- virtual int infereSigOrder (const vector<int>& args) {
- return args[0];
- }
-
-
- virtual Tree computeSigOutput (const vector<Tree>& args) {
- // verifier les simplifications
- num n;
- if (isNum(args[0],n)) {
- return tree(sqrt(double(n)));
- } 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());
-
- return subst("sqrt$1($0)", args[0], isuffix());
- }
-
- virtual string generateLateq (Lateq* lateq, const vector<string>& args, const vector<Type>& types)
- {
- assert (args.size() == arity());
- assert (types.size() == arity());
-
- return subst("\\sqrt{$0}", args[0]);
- }
-
-};
-
-
-xtended* gSqrtPrim = new SqrtPrim();
-
-