X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/1059e1cc0c2ecfa237406949aa26155b6a5b9154..66f23d4fabf89ad09adbd4dfc15ac6b5b2b7da83:/interpreter/preprocessor/faust-0.9.47mr3/compiler/extended/maxprim.cpp

diff --git a/interpreter/preprocessor/faust-0.9.47mr3/compiler/extended/maxprim.cpp b/interpreter/preprocessor/faust-0.9.47mr3/compiler/extended/maxprim.cpp
new file mode 100644
index 0000000..9c58ca7
--- /dev/null
+++ b/interpreter/preprocessor/faust-0.9.47mr3/compiler/extended/maxprim.cpp
@@ -0,0 +1,95 @@
+#include "xtended.hh"
+#include "Text.hh"
+#include <math.h>
+#include "sigtyperules.hh"
+
+#include "floats.hh"
+
+class MaxPrim : public xtended
+{
+
+ public:
+ 
+ 	MaxPrim() : xtended("max") {}
+	
+	virtual unsigned int arity () { return 2; }
+	
+	virtual bool	needCache ()	{ return true; }
+	
+	virtual Type 	infereSigType (const vector<Type>& types)
+	{
+		assert (types.size() == arity());
+		interval i = types[0]->getInterval();
+		interval j = types[1]->getInterval();
+		return castInterval(types[0]|types[1], max(i,j));
+	}
+	
+	virtual void 	sigVisit (Tree sig, sigvisitor* visitor) {}	
+	
+	virtual int infereSigOrder (const vector<int>& args) 
+	{
+		assert (args.size() == arity());
+		return max(args[0], args[1]);
+	}
+
+	
+	virtual Tree	computeSigOutput (const vector<Tree>& args) 
+	{
+		double f,g; int i,j;
+		
+		assert (args.size() == arity());
+		
+		if (isDouble(args[0]->node(),&f)) {
+		
+			if (isDouble(args[1]->node(), &g)) {
+				return tree(max(f, g));
+			} else if (isInt(args[1]->node(),&j)) {
+				return tree(max(f, double(j)));
+			} else {
+				return tree(symbol(), args[0], args[1]);
+			}
+				
+		} else if (isInt(args[0]->node(),&i)) {
+		
+			if (isDouble(args[1]->node(), &g)) {
+				return tree(max(double(i), g));
+			} else if (isInt(args[1]->node(),&j)) {
+				return tree(max(i, j));
+			} else {
+				return tree(symbol(), args[0], args[1]);
+			}
+				
+		} else {
+		
+			return tree(symbol(), args[0], args[1]);
+		}
+	}
+		
+	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("max($0, $1)", args[0], args[1]);
+		} else {
+			return subst("max($0, $1)", args[0], args[1]);
+		} 			
+	}
+	
+	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("\\max\\left( $0, $1 \\right)", args[0], args[1]);
+	}
+	
+};
+
+
+xtended* gMaxPrim = new MaxPrim();
+
+