X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/c7f552fd8888da2f0d8cfb228fe0f28d3df3a12c..b4b6f2ea75b9f0f3ca918f5b84016610bf7a4d4f:/interpretor/preprocessor/faust-0.9.47mr3/compiler/extended/expprim.cpp

diff --git a/interpretor/preprocessor/faust-0.9.47mr3/compiler/extended/expprim.cpp b/interpretor/preprocessor/faust-0.9.47mr3/compiler/extended/expprim.cpp
new file mode 100644
index 0000000..0ff0b2f
--- /dev/null
+++ b/interpretor/preprocessor/faust-0.9.47mr3/compiler/extended/expprim.cpp
@@ -0,0 +1,63 @@
+#include "xtended.hh"
+#include "Text.hh"
+#include <math.h>
+
+#include "floats.hh"
+
+class ExpPrim : public xtended
+{
+
+ public:
+ 
+ 	ExpPrim() : xtended("exp") {}
+	
+	virtual unsigned int 	arity () { return 1; }
+	
+	virtual bool	needCache ()	{ return true; }
+	
+	virtual Type 	infereSigType (const vector<Type>& args)
+	{
+		assert (args.size() == arity());
+		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(exp(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("exp$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("e^{$0}", args[0]);
+	}
+	
+};
+
+
+xtended* gExpPrim = new ExpPrim();
+
+