.

Sheet5/Ex5_Second_Attempt/Makefile

@@ -0,0 +1,54 @@
+#
+# use GNU-Compiler tools
+COMPILER=GCC_
+# COMPILER=GCC_SEQ_
+# alternatively from the shell
+# export COMPILER=GCC_
+# or, alternatively from the shell
+# make COMPILER=GCC_
+
+MAIN = main
+SOURCES = ${MAIN}.cpp vdop.cpp geom.cpp\
+	getmatrix.cpp jacsolve.cpp userset.cpp
+# 	dexx.cpp debugd.cpp skalar.cpp  vecaccu.cpp accudiag.cpp
+
+OBJECTS = $(SOURCES:.cpp=.o)
+
+PROGRAM	= ${MAIN}.${COMPILER}
+
+# uncomment the next to lines for debugging and detailed performance analysis
+CXXFLAGS += -g
+# -pg slows down the code on my laptop when using CLANG_
+#LINKFLAGS += -pg
+#CXXFLAGS += -Q --help=optimizers
+#CXXFLAGS += -fopt-info
+
+include ../${COMPILER}default.mk
+
+#############################################################################
+# additional specific cleaning in this directory
+clean_all::
+	@rm -f t.dat*
+
+
+#############################################################################
+# special testing
+# NPROCS	= 4
+#
+TFILE	= t.dat
+# TTMP	= t.tmp
+#
+graph: $(PROGRAM)
+# 	@rm -f $(TFILE).*
+	# next two lines only sequentially
+	./$(PROGRAM)
+	@mv  $(TFILE).000 $(TFILE)
+# 	$(MPIRUN) $(MPIFLAGS) -np $(NPROCS) $(PROGRAM)
+# 	@echo " "; echo "Manipulate data for graphics."; echo " "
+# 	@cat $(TFILE).* > $(TTMP)
+# 	@sort -b -k 2    $(TTMP)   -o $(TTMP).1
+# 	@sort -b -k 1    $(TTMP).1 -o $(TTMP).2
+# 	@awk  -f nl.awk  $(TTMP).2  > $(TFILE)
+# 	@rm -f $(TTMP).* $(TTMP) $(TFILE).*
+#
+	-gnuplot jac.dem

Sheet5/Ex5_Second_Attempt/jacobi.layout

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<CodeBlocks_layout_file>
+	<ActiveTarget name="Debug" />
+</CodeBlocks_layout_file>

Sheet5/Ex5_Second_Attempt/nl.awk

@@ -0,0 +1,20 @@
+#
+#	Have to add a newline for a new row of coordinates
+#
+BEGIN { OFS="	"; YO=-1.23456789; X=YO; Y=YO; Z=YO }
+      { 
+        if ($1!="")
+	{
+	  if ($1!=YO) { print " "; YO=$1 }
+          if ($1==X && $2==Y)
+	   {
+#	     print $1,$2,($3+Z)/2
+	   }
+	   else
+	   {
+	     print $1,$2,$3
+	   }
+	  X=$1; Y=$2; Z=$3;
+	}
+      }
+END {}

Sheet5/Ex5_Second_Attempt/out_100_GCC.txt

@@ -0,0 +1,9 @@
+
+ There are 1 processes running.
+ 
+Intervalls: 100 x 100
+
+ Start Jacobi solver for 10201 d.o.f.s
+aver. Jacobi rate :  0.997922  (1000 iter)
+final error: 0.124971 (rel)   0.000194029 (abs)
+JacobiSolve: timing in sec. : 0.155127