New directory tree, with preprocessor/ inside interpretor/.

[Faustine.git] / 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 (file)
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();
+
+