From 9c2a4d40a97be73549fe03b1b69687f775102dd5 Mon Sep 17 00:00:00 2001
From: schnetter <>
Date: Fri, 7 May 2004 18:55:00 +0000
Subject: Provide code to calculate the characteristics.

darcs-hash:20040507185547-07bb3-ee275ba5fa0a403c578a0ff525e77f65bee4969e.gz
---
 CarpetExtra/WaveToyFO/configuration.ccl     |   4 +-
 CarpetExtra/WaveToyFO/interface.ccl         |  31 ++++-
 CarpetExtra/WaveToyFO/src/calc_inv4.F90     |  10 ++
 CarpetExtra/WaveToyFO/src/characteristics.c | 197 ++++++++++++++++++++++++++++
 CarpetExtra/WaveToyFO/src/make.code.defn    |   4 +-
 5 files changed, 241 insertions(+), 5 deletions(-)
 create mode 100644 CarpetExtra/WaveToyFO/src/calc_inv4.F90
 create mode 100644 CarpetExtra/WaveToyFO/src/characteristics.c

(limited to 'CarpetExtra/WaveToyFO')

diff --git a/CarpetExtra/WaveToyFO/configuration.ccl b/CarpetExtra/WaveToyFO/configuration.ccl
index 134da61b7..0fd6cd4be 100644
--- a/CarpetExtra/WaveToyFO/configuration.ccl
+++ b/CarpetExtra/WaveToyFO/configuration.ccl
@@ -1,4 +1,4 @@
 # Configuration definition for thorn Carpet/WaveToyFO
-# $Header: /home/eschnett/C/carpet/Carpet/CarpetExtra/WaveToyFO/configuration.ccl,v 1.2 2004/04/18 14:10:29 schnetter Exp $
+# $Header: /home/eschnett/C/carpet/Carpet/CarpetExtra/WaveToyFO/configuration.ccl,v 1.3 2004/05/07 20:55:47 schnetter Exp $
 
-REQUIRES CartGrid3D
+REQUIRES CartGrid3D TGRtensor
diff --git a/CarpetExtra/WaveToyFO/interface.ccl b/CarpetExtra/WaveToyFO/interface.ccl
index 893aec679..c855343ae 100644
--- a/CarpetExtra/WaveToyFO/interface.ccl
+++ b/CarpetExtra/WaveToyFO/interface.ccl
@@ -1,5 +1,5 @@
 # Interface definition for thorn WaveToyFO
-# $Header: /home/eschnett/C/carpet/Carpet/CarpetExtra/WaveToyFO/interface.ccl,v 1.1 2003/06/18 18:24:30 schnetter Exp $
+# $Header: /home/eschnett/C/carpet/Carpet/CarpetExtra/WaveToyFO/interface.ccl,v 1.2 2004/05/07 20:55:47 schnetter Exp $
 
 IMPLEMENTS: WaveToyFO
 
@@ -22,6 +22,35 @@ USES FUNCTION MoLRegisterEvolvedGroup
 
 
 
+CCTK_INT FUNCTION                         \
+    MultiPatch_Prim2Char                  \
+        (CCTK_POINTER_TO_CONST IN cctkGH, \
+         CCTK_INT ARRAY IN normal,        \
+         CCTK_INT ARRAY IN lbnd,          \
+         CCTK_INT ARRAY IN lsh,           \
+         CCTK_INT IN rhs_flag,            \
+         CCTK_INT IN num_modes,           \
+         CCTK_POINTER ARRAY IN modes,     \
+         CCTK_REAL ARRAY OUT speeds)
+PROVIDES FUNCTION MultiPatch_Prim2Char  \
+    WITH WaveToyFO_MultiPatch_Prim2Char \
+    LANGUAGE C
+
+CCTK_INT FUNCTION                              \
+    MultiPatch_Char2Prim                       \
+        (CCTK_POINTER_TO_CONST IN cctkGH,      \
+         CCTK_INT ARRAY IN normal,             \
+         CCTK_INT ARRAY IN lbnd,               \
+         CCTK_INT ARRAY IN lsh,                \
+         CCTK_INT IN rhs_flag,                 \
+         CCTK_INT IN num_modes,                \
+         CCTK_POINTER_TO_CONST ARRAY IN modes)
+PROVIDES FUNCTION MultiPatch_Char2Prim  \
+    WITH WaveToyFO_MultiPatch_Char2Prim \
+    LANGUAGE C
+
+
+
 PUBLIC:
 
 CCTK_REAL scalarevolve TYPE=gf TIMELEVELS=3
diff --git a/CarpetExtra/WaveToyFO/src/calc_inv4.F90 b/CarpetExtra/WaveToyFO/src/calc_inv4.F90
new file mode 100644
index 000000000..9393f2232
--- /dev/null
+++ b/CarpetExtra/WaveToyFO/src/calc_inv4.F90
@@ -0,0 +1,10 @@
+! $Header: /home/eschnett/C/carpet/Carpet/CarpetExtra/WaveToyFO/src/Attic/calc_inv4.F90,v 1.1 2004/05/07 20:55:47 schnetter Exp $
+
+#include "cctk.h"
+
+subroutine WaveToyFO_calc_inv4 (a, b)
+  use matinv
+  implicit none
+  CCTK_REAL a(4,4), b(4,4)
+  call calc_inv4 (a, b)
+end subroutine WaveToyFO_calc_inv4
diff --git a/CarpetExtra/WaveToyFO/src/characteristics.c b/CarpetExtra/WaveToyFO/src/characteristics.c
new file mode 100644
index 000000000..6626aa999
--- /dev/null
+++ b/CarpetExtra/WaveToyFO/src/characteristics.c
@@ -0,0 +1,197 @@
+/* $Header: /home/eschnett/C/carpet/Carpet/CarpetExtra/WaveToyFO/src/Attic/characteristics.c,v 1.1 2004/05/07 20:55:47 schnetter Exp $ */
+
+#include <assert.h>
+
+#include "cctk.h"
+#include "cctk_Arguments.h"
+#include "cctk_Parameters.h"
+
+
+
+void CCTK_FCALL
+CCTK_FNAME (WaveToyFO_calc_inv4) (CCTK_REAL xform[4][4],
+				  CCTK_REAL xform1[4][4]);
+
+
+
+CCTK_INT
+WaveToyFO_MultiPatch_Prim2Char (CCTK_POINTER_TO_CONST const cctkGH_,
+				CCTK_INT const normal[],
+				CCTK_INT const lbnd[],
+				CCTK_INT const lsh[],
+				CCTK_INT const rhs_flag,
+				CCTK_INT const num_modes,
+				CCTK_POINTER const modes[],
+				CCTK_REAL speeds[])
+{
+  cGH const * restrict const cctkGH = cctkGH_;
+  DECLARE_CCTK_ARGUMENTS;
+  
+  CCTK_INT tangent[2][3];
+  
+  CCTK_REAL const * restrict prims[4];
+  CCTK_REAL       * restrict chars[4];
+  
+  CCTK_REAL xform[4][4];
+  
+  int n;			/* mode */
+  int i, j, k;
+  int a, b;
+  int d;
+  
+  assert (cctk_dim == 3);
+  assert (num_modes == 4);
+  for (d=0; d<3; ++d) {
+    assert (lsh[d] >= 0);
+  }
+  for (n=0; n<num_modes; ++n) {
+    assert (modes[n]);
+  }
+  assert (speeds);
+  
+  for (d=0; d<3; ++d) {
+    tangent[0][d] = normal[(d+1)%3];
+    tangent[1][d] = normal[(d+2)%3];
+  }
+  
+  xform[0][0] = +1;
+  xform[1][0] = +1;
+  xform[2][0] =  0;
+  xform[3][0] =  0;
+  for (d=0; d<3; ++d) {
+    xform[0][1+d] = +normal[d];
+    xform[1][1+d] = -normal[d];
+    xform[2][1+d] = tangent[0][d];
+    xform[3][1+d] = tangent[1][d];
+  }
+  
+  if (rhs_flag) {
+    prims[0] = phidot;
+    prims[1] = psixdot;
+    prims[2] = psiydot;
+    prims[3] = psizdot;
+  } else {
+    prims[0] = phi;
+    prims[1] = psix;
+    prims[2] = psiy;
+    prims[3] = psiz;
+  }
+  for (n=0; n<4; ++n) {
+    chars[n] = modes[n];
+  }
+  
+  for (k=0; k<lsh[2]; ++k) {
+    for (j=0; j<lsh[1]; ++j) {
+      for (i=0; i<lsh[0]; ++i) {
+	int const ind3d
+	  = CCTK_GFINDEX3D (cctkGH, lbnd[0]+i, lbnd[1]+j, lbnd[2]+k);
+	int const ind2d = i + lsh[0] * (j + lsh[1] * k);
+	
+	for (a=0; a<4; ++a) {
+	  chars[a][ind2d] = 0;
+	  for (b=0; b<4; ++b) {
+	    chars[a][ind2d] += xform[a][b] * prims[b][ind3d];
+	  }
+	}
+	
+      }
+    }
+  }
+  
+  speeds[0] = +1.0; 		/* incoming */
+  speeds[1] = -1.0;		/* outgoing */
+  speeds[2] =  0.0;		/* zero speed */
+  speeds[3] =  0.0;
+  
+  return 0;
+}
+
+
+
+CCTK_INT
+WaveToyFO_MultiPatch_Char2Prim (CCTK_POINTER_TO_CONST const cctkGH_,
+				CCTK_INT const normal[],
+				CCTK_INT const lbnd[],
+				CCTK_INT const lsh[],
+				CCTK_INT const rhs_flag,
+				CCTK_INT const num_modes,
+				CCTK_POINTER_TO_CONST const modes[])
+{
+  cGH const * restrict const cctkGH = cctkGH_;
+  DECLARE_CCTK_ARGUMENTS;
+  
+  CCTK_INT tangent[2][3];
+  
+  CCTK_REAL const * restrict chars[4];
+  CCTK_REAL       * restrict prims[4];
+  
+  CCTK_REAL xform[4][4];
+  CCTK_REAL xform1[4][4];
+  
+  int n;			/* mode */
+  int i, j, k;
+  int a, b;
+  int d;
+  
+  assert (cctk_dim == 3);
+  assert (num_modes == 4);
+  for (d=0; d<3; ++d) {
+    assert (lsh[d] >= 0);
+  }
+  for (n=0; n<num_modes; ++n) {
+    assert (modes[n]);
+  }
+  
+  for (d=0; d<3; ++d) {
+    tangent[0][d] = normal[(d+1)%3];
+    tangent[1][d] = normal[(d+2)%3];
+  }
+  
+  xform[0][0] = +1;
+  xform[1][0] = +1;
+  xform[2][0] =  0;
+  xform[3][0] =  0;
+  for (d=0; d<3; ++d) {
+    xform[0][1+d] = +normal[d];
+    xform[1][1+d] = -normal[d];
+    xform[2][1+d] = tangent[0][d];
+    xform[3][1+d] = tangent[1][d];
+  }
+  
+  CCTK_FNAME (WaveToyFO_calc_inv4) (xform, xform1);
+  
+  for (n=0; n<4; ++n) {
+    chars[n] = modes[n];
+  }
+  if (rhs_flag) {
+    prims[0] = phidot;
+    prims[1] = psixdot;
+    prims[2] = psiydot;
+    prims[3] = psizdot;
+  } else {
+    prims[0] = phi;
+    prims[1] = psix;
+    prims[2] = psiy;
+    prims[3] = psiz;
+  }
+  
+  for (k=0; k<lsh[2]; ++k) {
+    for (j=0; j<lsh[1]; ++j) {
+      for (i=0; i<lsh[0]; ++i) {
+	int const ind3d
+	  = CCTK_GFINDEX3D (cctkGH, lbnd[0]+i, lbnd[1]+j, lbnd[2]+k);
+	int const ind2d = i + lsh[0] * (j + lsh[1] * k);
+	
+	for (a=0; a<4; ++a) {
+	  prims[a][ind3d] = 0;
+	  for (b=0; b<4; ++b) {
+	    prims[a][ind3d] += xform1[a][b] * chars[b][ind2d];
+	  }
+	}
+	
+      }
+    }
+  }
+  
+  return 0;
+}
diff --git a/CarpetExtra/WaveToyFO/src/make.code.defn b/CarpetExtra/WaveToyFO/src/make.code.defn
index ba19c751f..fd9cc6fdd 100644
--- a/CarpetExtra/WaveToyFO/src/make.code.defn
+++ b/CarpetExtra/WaveToyFO/src/make.code.defn
@@ -1,8 +1,8 @@
 # Main make.code.defn file for thorn WaveToyFO
-# $Header: /home/eschnett/C/carpet/Carpet/CarpetExtra/WaveToyFO/src/make.code.defn,v 1.2 2004/05/06 14:21:18 schnetter Exp $
+# $Header: /home/eschnett/C/carpet/Carpet/CarpetExtra/WaveToyFO/src/make.code.defn,v 1.3 2004/05/07 20:55:47 schnetter Exp $
 
 # Source files in this directory
-SRCS = boundaries.F77 calcrhs.F77 initsymbound.F77 registervars.F77 rhsboundaries.F77 startup.F77
+SRCS = boundaries.F77 characteristics.c calc_inv4.F90 calcrhs.F77 initsymbound.F77 registervars.F77 rhsboundaries.F77 startup.F77
 
 # Subdirectories containing source files
 SUBDIRS = 
-- 
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