Clarify flowgraph types

1 files changed, 23 insertions, 9 deletions

diff --git a/flowgraph/data.h b/flowgraph/data.h
index 2b92b2e..65bac8f 100644
--- a/flowgraph/data.h
+++ b/flowgraph/data.h
@@ -8,18 +8,32 @@
 
 namespace FlowGraph {
 
- // Explicitely not including size
+ // Data models:
+ // 64 bit Linux:   LLP64
+ // 64 bit Windows: LP64
+ //
+ // Explicitely NOT defined here:
+ //  * Size (same as Pointer, LongLong on Linux and Windows)
+ //  * Bool (Byte)
+ //  * Long (different on Linux (64 bit) and Windows (32 bit))
  enum class DataType: int
  {
-  Size,
-  Int,
+  Char,     // 8 bit
+  UChar,    // 8 bit
+
+  Short,    // 16 bit on 64 bit Linux and Windows
+  UShort,
+
+  Int,      // 32 bit on 64 bit Linux and Windows
   UInt,
-  Pointer,
-  Bool,
-  Char,
-  UChar,
-  Short,
-  UShort
+
+  LongLong, // 64 bit on 64 bit Linux and Windows
+  ULongLong,
+
+  Pointer,  // 64 bit on 64 bit Linux and Windows, size is same size
+
+  Float,    // 32 bit, IEEE 754
+  Double    // 64 bit, IEEE 754
  };
 
  class Storage; ///< forward declaration