From 11ec06ae3f07d16d4da85e725941bb207b75ad11 Mon Sep 17 00:00:00 2001
From: schnetter <schnetter@b716e942-a2de-43ad-8f52-f3dfe468e4e7>
Date: Mon, 15 Jul 2002 17:16:10 +0000
Subject: Added file that I forgot, a Fortran interface to the hyperslabber.

git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinUtils/TGRtensor/trunk@3 b716e942-a2de-43ad-8f52-f3dfe468e4e7
---
 src/hyperslab.c | 89 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 src/hyperslab.c

diff --git a/src/hyperslab.c b/src/hyperslab.c
new file mode 100644
index 0000000..8f03fd4
--- /dev/null
+++ b/src/hyperslab.c
@@ -0,0 +1,89 @@
+/* $Header$ */
+
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "cctk.h"
+#include "cctk_Parameters.h"
+
+#include "Hyperslab.h"
+
+#if 0
+int Hyperslab_GetHyperslab (const cGH *GH,
+			    int target_proc,
+			    int vindex,
+			    int vtimelvl,
+                            int hdim,
+                            const int global_startpoint [/*vdim*/],
+                            const int directions [/*vdim*/],
+                            const int lengths [/*hdim*/],
+                            const int downsample_ [/*hdim*/],
+                            void **hdata,
+			    int hsize [/*hdim*/]);
+#endif
+
+int Hyperslab_FillHyperslab (const cGH *cctkGH,
+			     int target_proc,
+			     int vindex,
+			     int vtimelevel,
+			     int hdim,
+			     const int global_startpoint [/*vdim*/],
+			     const int directions [/*vdim*/],
+			     const int lengths [/*hdim*/],
+			     const int downsample [/*hdim*/],
+			     int nhdata,
+			     void *hdata,
+			     int hsize [/*hdim*/])
+{
+  void *myhdata;
+  int mynhdata;
+  int vtype;
+  int vtypesize;
+  int d;
+  int ierr;
+  myhdata = 0;
+  ierr = Hyperslab_GetHyperslab
+    (cctkGH, target_proc, vindex, vtimelevel, hdim,
+     global_startpoint, directions, lengths, downsample,
+     &myhdata, hsize);
+  if (myhdata) {
+    mynhdata = 1;
+    for (d=0; d<hdim; ++d) mynhdata *= hsize[d];
+    if (mynhdata > nhdata) {
+      CCTK_WARN (1, "Not enough space in hdata array");
+      mynhdata = nhdata;
+    }
+    assert (hdata);
+    vtype = CCTK_VarTypeI(vindex);
+    assert (vtype>=0);
+    vtypesize = CCTK_VarTypeSize(vtype);
+    assert (vtypesize>0);
+    memcpy (hdata, myhdata, mynhdata * vtypesize);
+    free (myhdata);
+  }
+  return ierr;
+}
+
+
+
+void CCTK_FCALL CCTK_FNAME(Hyperslab_FillHyperslab)
+     (int *ierr,
+      const cGH *cctkGH,
+      const int *target_proc,
+      const int *vindex,
+      const int *vtimelevel,
+      const int *hdim,
+      const int global_startpoint [/*vdim*/],
+      const int directions [/*vdim*/],
+      const int lengths [/*hdim*/],
+      const int downsample [/*hdim*/],
+      const int *nhdata,
+      void *hdata,
+      int hsize [/*hdim*/])
+{
+  *ierr = Hyperslab_FillHyperslab
+    (cctkGH, *target_proc, *vindex, *vtimelevel, *hdim,
+     global_startpoint, directions, lengths, downsample,
+     *nhdata, hdata, hsize);
+}
-- 
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