Simplify type() method

Author: jdemeyer

cypari2/gen.pyx

@@ -4654,47 +4654,7 @@ cdef class Gen(Gen_auto):
         >>> pari('oo').type()
         't_INFINITY'
         """
-        # The following original code leaks memory:
-        #        return str(type_name(typ(self.g)))
-        #
-        # This code is the usual workaround:
-        #        cdef char* s= <char*>type_name(typ(self.g))
-        #        t=str(s)
-        #        free(s)
-        #        return(t)
-        # However, it causes segfaults with t_INTs on some
-        # machines, and errors about freeing non-aligned
-        # pointers on others. So we settle for the following
-        # fast but ugly code. Note that should the list of
-        # valid PARI types ever be updated, this code would
-        # need to be updated accordingly.
-        #
-        cdef long t = typ(self.g)
-
-        if   t == t_INT:      return 't_INT'
-        elif t == t_REAL:     return 't_REAL'
-        elif t == t_INTMOD:   return 't_INTMOD'
-        elif t == t_FRAC:     return 't_FRAC'
-        elif t == t_FFELT:    return 't_FFELT'
-        elif t == t_COMPLEX:  return 't_COMPLEX'
-        elif t == t_PADIC:    return 't_PADIC'
-        elif t == t_QUAD:     return 't_QUAD'
-        elif t == t_POLMOD:   return 't_POLMOD'
-        elif t == t_POL:      return 't_POL'
-        elif t == t_SER:      return 't_SER'
-        elif t == t_RFRAC:    return 't_RFRAC'
-        elif t == t_QFR:      return 't_QFR'
-        elif t == t_QFI:      return 't_QFI'
-        elif t == t_VEC:      return 't_VEC'
-        elif t == t_COL:      return 't_COL'
-        elif t == t_MAT:      return 't_MAT'
-        elif t == t_LIST:     return 't_LIST'
-        elif t == t_STR:      return 't_STR'
-        elif t == t_VECSMALL: return 't_VECSMALL'
-        elif t == t_CLOSURE:  return 't_CLOSURE'
-        elif t == t_INFINITY: return 't_INFINITY'
-        else:
-            raise TypeError("Unknown PARI type: %s" % t)
+        return to_string(type_name(typ(self.g)))
 
     def polinterpolate(self, ya, x):
         """