Enable inheritance diagrams.

meta/cretonne/types.py

@@ -1,17 +1,21 @@
-"""Predefined types."""
+"""
+The cretonne.types module predefines all the Cretonne scalar types.
+"""
 
 from . import ScalarType, IntType, FloatType
 
+#: Boolean.
 bool = ScalarType('bool', 0,
         """
         A boolean value that is either true or false.
         """)
 
-i8  = IntType(8)
-i16 = IntType(16)
-i32 = IntType(32)
-i64 = IntType(64)
+i8  = IntType(8)  #: 8-bit int.
+i16 = IntType(16) #: 16-bit int.
+i32 = IntType(32) #: 32-bit int.
+i64 = IntType(64) #: 64-bit int.
 
+#: IEEE single precision.
 f32 = FloatType(32,
         """
         A 32-bit floating point type represented in the IEEE 754-2008 *binary32*
@@ -19,15 +23,10 @@ f32 = FloatType(32,
         C implementations.
         """)
 
+#: IEEE double precision.
 f64 = FloatType(64,
         """
         A 64-bit floating point type represented in the IEEE 754-2008 *binary64*
         interchange format. This corresponds to the :c:type:`double` type in
         most C implementations.
         """)
-
-i8x16 = i8.by(16)
-
-f32x4 = f32.by(4)
-f64x2 = f64.by(2)
-