From bb8a2a2e3aacbcf0d2bf515c3db180c763ff3690 Mon Sep 17 00:00:00 2001
From: tradke <tradke@7842ec3a-9562-4be5-9c5b-06ba18f2b668>
Date: Tue, 12 Jun 2001 22:39:17 +0000
Subject: Support I/O for all the fixed-sized CCTK datatypes also.

git-svn-id: http://svn.cactuscode.org/arrangements/CactusPUGHIO/IOHDF5Util/trunk@33 7842ec3a-9562-4be5-9c5b-06ba18f2b668
---
 src/ioHDF5UtilGH.h | 87 ++++++++++++++++++++++++++++++++++++++++++------------
 1 file changed, 68 insertions(+), 19 deletions(-)

(limited to 'src/ioHDF5UtilGH.h')

diff --git a/src/ioHDF5UtilGH.h b/src/ioHDF5UtilGH.h
index a5d1a16..211d999 100644
--- a/src/ioHDF5UtilGH.h
+++ b/src/ioHDF5UtilGH.h
@@ -2,9 +2,10 @@
    @header    ioHDF5UtilGH.h
    @date      Fri Oct 6 2000
    @author    Thomas Radke
-   @desc 
+   @desc
               The GH extensions structure for IOHDF5Util.
-   @version $Id$
+   @enddesc
+   @version   $Id$
  @@*/
 
 #ifndef _IOUTILHDF5_IOUTILHDF5GH_H_
@@ -106,22 +107,67 @@
           } while (0)
 
 
-/* Mapping off CCTK datatypes to HDF5 datatypes */
-#define IOHDF5_REAL4   H5T_NATIVE_FLOAT
+/***
+ Define the different datatypes used for HDF5 I/O
+ NOTE: the complex datatype is defined dynamically at runtime in Startup.c
+ ***/
+/* char type is easy */
+#define IOHDF5_CHAR    H5T_NATIVE_CHAR
+
+/* floating point types are architecture-independent,
+   ie. a float has always 4 bytes, and a double has 8 bytes
+
+   IOHDF5_REAL  is used for storing reals of the generic CCTK_REAL type
+   IOHDF5_REALn is used to explicitely store n-byte reals */
+#ifdef  CCTK_REAL4
+#define IOHDF5_REAL4  H5T_NATIVE_FLOAT
+#endif
+#ifdef  CCTK_REAL8
+#define IOHDF5_REAL8  H5T_NATIVE_DOUBLE
+#endif
+#ifdef  CCTK_REAL16
+#define IOHDF5_REAL16 (sizeof (CCTK_REAL16) == sizeof (long double) ?         \
+                       H5T_NATIVE_LDOUBLE : -1)
+#endif
+
 
 #ifdef  CCTK_REAL_PRECISION_16
-#define IOHDF5_REAL    H5T_NATIVE_LDOUBLE
+#define IOHDF5_REAL   IOHDF5_REAL16
 #elif   CCTK_REAL_PRECISION_8
-#define IOHDF5_REAL    H5T_NATIVE_DOUBLE
+#define IOHDF5_REAL   IOHDF5_REAL8
 #elif   CCTK_REAL_PRECISION_4
-#define IOHDF5_REAL    H5T_NATIVE_FLOAT
+#define IOHDF5_REAL   IOHDF5_REAL4
 #endif
 
-#define IOHDF5_INT     (sizeof (CCTK_INT) == sizeof (int) ?                   \
-                        H5T_NATIVE_INT : H5T_NATIVE_SHORT)
-#define IOHDF5_INT4    (sizeof (int) == 4 ?                                   \
-                        H5T_NATIVE_INT : H5T_NATIVE_SHORT)
-#define IOHDF5_CHAR    H5T_NATIVE_CHAR
+
+/* integer types are architecture-dependent:
+   IOHDF5_INT  is used for communicating integers of the generic CCTK_INT type
+   IOHDF5_INTn is used to explicitely communicate n-byte integers */
+#ifdef  CCTK_INT8
+#define IOHDF5_INT8   (sizeof (CCTK_INT8) == sizeof (int) ? H5T_NATIVE_INT :  \
+                       sizeof (CCTK_INT8) == sizeof (long) ? H5T_NATIVE_LONG :\
+                       sizeof (CCTK_INT8) == sizeof (long long) ?             \
+                       H5T_NATIVE_LLONG : -1)
+#endif
+
+#ifdef  CCTK_INT4
+#define IOHDF5_INT4   (sizeof (CCTK_INT4) == sizeof (int) ? H5T_NATIVE_INT :  \
+                       sizeof (CCTK_INT4) == sizeof (short) ?                 \
+                       H5T_NATIVE_SHORT : -1)
+#endif
+
+#ifdef  CCTK_INT2
+#define IOHDF5_INT2   (sizeof (CCTK_INT2) == sizeof (short) ?                 \
+                       H5T_NATIVE_SHORT : -1)
+#endif
+
+#ifdef  CCTK_INTEGER_PRECISION_8
+#define IOHDF5_INT    IOHDF5_INT8
+#elif   CCTK_INTEGER_PRECISION_4
+#define IOHDF5_INT    IOHDF5_INT4
+#elif   CCTK_INTEGER_PRECISION_2
+#define IOHDF5_INT    IOHDF5_INT2
+#endif
 
 
 /* Constants to index timers within the timers array */
@@ -137,6 +183,11 @@
 #define ALL_PARAMETERS          "All Parameters"
 
 
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
 /* Geometry information structure for output variable */
 typedef struct
 {
@@ -178,8 +229,10 @@ typedef struct
   hid_t scalar_dataspace, array_dataspace;
 
   /* predefined datatype for writing CCTK_COMPLEX types */
-  hid_t IOHDF5_COMPLEX;
-  hid_t IOHDF5_COMPLEX8;
+  hid_t IOHDF5_COMPLEX,
+        IOHDF5_COMPLEX8,
+        IOHDF5_COMPLEX16,
+        IOHDF5_COMPLEX32;
 
   /* predefined datatype for writing C string string attributes */
   hid_t IOHDF5_STRING;
@@ -187,12 +240,8 @@ typedef struct
 } ioHDF5UtilGH;
 
 
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-
 /* exported functions */
+hid_t IOHDF5Util_DataType (const ioHDF5UtilGH *myGH, int cctk_type);
 void IOHDF5Util_ParseVarsForOutput (const char *output_varstring,
                                     ioHDF5Geo_t *output_request_list[]);
 void IOHDF5Util_DumpParameters (cGH *GH, hid_t group);
-- 
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