First version of the simplifications.

Change-Id: Idbddb92b6bd098d6b862f5fc4abd741948e15194

poincare/src/float.cpp

@@ -1,8 +1,11 @@
-#include <poincare/float.h>
+#include <stdlib.h>
+#include <string.h>
 extern "C" {
 #include <assert.h>
 }
 
+#include <poincare/float.h>
+
 Float::Float(float f) : m_float(f) {
 }
 
@@ -30,3 +33,13 @@ bool Float::valueEquals(Expression * e) {
   assert(e->type() == Expression::Type::Float);
   return m_float == ((Float *)e)->m_float;
 }
+
+#ifdef DEBUG
+int Float::getPrintableVersion(char* txt) {
+  const char* printable = "float number";
+  for(int i=0; printable[i]!='\0'; i++) {
+    txt[i] = printable[i];
+  }
+  return strlen(printable);
+}
+#endif