+++ /dev/null
-#include "xtended.hh"
-#include "compatibility.hh"
-#include "Text.hh"
-#include <math.h>
-
-#include "floats.hh"
-
-#if defined(WIN32) && ! defined(__MINGW32__)
-/* missing on Windows : see http://bugs.mysql.com/bug.php?id=15936 */
-inline double rint(double nr)
-{
- double f = floor(nr);
- double c = ceil(nr);
- return (((c -nr) >= (nr - f)) ? f : c);
-}
-#endif
-
-class RintPrim : public xtended
-{
-
- public:
-
- RintPrim() : xtended("rint") {}
-
- virtual unsigned int arity () { return 1; }
-
- virtual bool needCache () { return true; }
-
- virtual Type infereSigType (const vector<Type>& args)
- {
- assert (args.size() == arity());
- interval i = args[0]->getInterval();
- if (i.valid) {
- return castInterval(floatCast(args[0]), interval(rint(i.lo), rint(i.hi)));
- } else {
- return floatCast(args[0]);
- }
- }
-
- 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) {
- num n;
- assert (args.size() == arity());
- if (isNum(args[0],n)) {
- return tree(rint(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("rint$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("\\left[ {$0} \\right]", args[0]);
- }
-
-};
-
-
-xtended* gRintPrim = new RintPrim();
-
-