Removed need for fortran compiler by translating fortran files to c u…

…sing f2c. Replaced nelmead.f with version that can be translated. Moved fortran files to folder named fortran. Several testcases updated due to small numerical differences between c and fortran.

git-svn-id: https://openmodelica.org/svn/OpenModelica/trunk@2778 f25d12d1-65f4-0310-ae8a-bbce733d8d8e

Compiler/SimCodegen.mo

@@ -150,7 +150,7 @@ public function generateMakefile "function: generateMakefile
         str = Util.stringAppendList(
           {"#Makefile generated by OpenModelica\n\n","CXX=g++\n",
           cname,": ",cpp_file,"\n","\t $(CXX) -o ",cname,".exe ",cpp_file," -L\"",
-          omhome,"/lib/\""," -I. -I\"",omhome,"/include/\" "," -lsim -lg2c -lc_runtime ",
+          omhome,"/lib/\""," -I. -I\"",omhome,"/include/\" "," -lsim -lc_runtime -lf2c ",
           libs_1,"\n"}) "\".exe\" is needed for a class that is in a package." ;
         System.writeFile(filename, str);
       then
@@ -165,7 +165,7 @@ public function generateMakefile "function: generateMakefile
           {"#Makefile generated by OpenModelica\n\n","CXX=g++\n",
           cname,": ",cpp_file,"\n","\t $(CXX) -o ",cname,".exe ",cpp_file," -L\"",
           omhome,"/lib/\""," -L\"",file_dir,"\""," -I. -I\"",omhome,"/include/\" ",
-          " -I\"",file_dir,"\""," -lsim -lg2c -lc_runtime ",libs_1,"\n"}) "\".exe\" is needed for a class that is in a package." ;
+          " -I\"",file_dir,"\""," -lsim -lc_runtime -lf2c ",libs_1,"\n"}) "\".exe\" is needed for a class that is in a package." ;
         System.writeFile(filename, str);
       then
         ();