*** empty log message ***

ChangeLog

@@ -1,3 +1,16 @@
+13.11.2009 RELEASE 0.5
+13.11.2009 libtool employed to create also shared library version
+12.11.2009 library enclosed in the namespace LA
+12.11.2009 #defines for numerical parameters changed to const doubles
+12.11.2009 added SparseSMat class for efficient exponentiation of sparse complex symmetric matrices
+12.11.2009 removed unnecessary casts in complex vec,mat,smat routines
+12.11.2009 fixed bug in complex NRSMat operator +=,-=
+10.11.2009 removing 'using namespace std' from the main include, leaving this to the user's discretion
+10.11.2009 NRVec::otimes introduced
+04.11.2009 improved efficiency of complex matrix exp
+04.11.2009 fixed return type for complex sparsemat::norm
+19.10.2009 added modified GS orthomormalization with optional metric
+15.10.2009 added support for long long
 07.10.2009 RELEASE 0.4
 06.10.2009 autoconf/automake for user convenience
 13.09.2009 RELEASE 0.3

Makefile.am

@@ -1,19 +1,19 @@
-lib_LIBRARIES = libla.a
-include_HEADERS = auxstorage.h  davidson.h   laerror.h    mat.h          qsort.h             vec.h bisection.h   diis.h       la.h         noncblas.h     smat.h bitvector.h   fourindex.h  la_traits.h  nonclass.h     sparsemat.h conjgrad.h    gmres.h      matexp.h     permutation.h  sparsemat_traits.h 
-libla_a_SOURCES = vec.cc mat.cc smat.cc sparsemat.cc laerror.cc noncblas.cc  bitvector.cc strassen.cc nonclass.cc
+lib_LTLIBRARIES = libla.la
+include_HEADERS = auxstorage.h  davidson.h   laerror.h    mat.h          qsort.h             vec.h bisection.h   diis.h       la.h         noncblas.h     smat.h bitvector.h   fourindex.h  la_traits.h  nonclass.h     sparsemat.h sparsesmat.h conjgrad.h    gmres.h      matexp.h     permutation.h  
+libla_la_SOURCES = vec.cc mat.cc smat.cc sparsemat.cc sparsesmat.cc laerror.cc noncblas.cc  bitvector.cc strassen.cc nonclass.cc
 check_PROGRAMS = t test
 t_SOURCES = t.cc t2.cc 
 test_SOURCES = test.cc
-LDADD = libla.a
+LDADD = .libs/libla.a
+ACLOCAL_AMFLAGS = -I m4
 
 EXTRA_DIST = LICENSE 
 
-#
-CXXFLAGS += -fno-omit-frame-pointer -O3 -g -fPIC -finline-limit=1000
-CXXFLAGS += -DNO_STRASSEN -DFORTRAN_
+#todo: achieve portability of the fortran calls via autoconf?
 
-#remove this for production code efficiency
-CXXFLAGS += -DDEBUG
+CXXFLAGS = -g 
+CXXFLAGS += $(OPTIMIZEOPT) $(DEBUGOPT) $(MATPTROPT)
+CXXFLAGS += -DNO_STRASSEN -DFORTRAN_
 
 CXXFLAGS += $(CBLASOPT) $(CLAPACKOPT)
 LDFLAGS += $(CBLASLIB)

configure.ac

@@ -2,22 +2,38 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ([2.63])
-AC_INIT([libla], [0.4], [jiri@pittnerovi.com])
+AC_INIT([libla], [0.5], [jiri@pittnerovi.com])
 AC_CONFIG_HEADERS([config.h])
+AC_CONFIG_MACRO_DIR([m4])
 AM_INIT_AUTOMAKE([-Wall -Werror foreign])
+LT_INIT
+
 
 # Checks for programs.
 AC_PROG_CXX
+AC_PROG_LIBTOOL
 AC_PROG_CC
-AC_PROG_RANLIB
+#AC_PROG_RANLIB obsoleted by libtool
 AC_LANG(C++)
 
-# Checks for libraries.
-AC_CHECK_LIB([blas], [dgemm_])
-AC_CHECK_LIB([atlas], [ATL_zgemv])
-AC_CHECK_LIB([lapack], [dgeev_])
 
-#optional
+# Checks for mandatory libraries.
+AC_CHECK_LIB([blas], [dgemm_],, [
+        echo ERROR: BLAS not found! You have to install the BLAS library.
+        exit
+        ])
+
+AC_CHECK_LIB([atlas], [ATL_zgemv],, [
+        echo "ATLAS not found, I hope you are using some other (more) efficient BLAS!"
+        ])
+
+AC_CHECK_LIB([lapack], [dgeev_],, [
+        echo ERROR: LAPACK not found! You have to install the LAPACK library
+        exit
+        ])
+
+
+#check for optional libraries
 AC_CHECK_LIB([cblas], [cblas_ddot], [CBLASLIB=-lcblas], [CBLASOPT=-DNONCBLAS])
 AC_SUBST([CBLASLIB])
 AC_SUBST([CBLASOPT])
@@ -25,14 +41,46 @@ AC_SUBST([CBLASOPT])
 AC_CHECK_LIB([lapack], [clapack_dgesv], , [CLAPACKOPT=-DNONCLAPACK])
 AC_SUBST([CLAPACKOPT])
 
-
-
 #the check for traceback needs bfd to be linked into
 AC_CHECK_LIB([bfd], [bfd_fprintf_vma])
-AC_CHECK_LIB([traceback], [sigtraceback], [TRACEBACKLIB="-ltraceback -lbfd" TRACEBACKOPT=-DUSE_TRACEBACK])
+AC_CHECK_LIB([traceback], [sigtraceback], [TRACEBACKLIB="-ltraceback -lbfd" TRACEBACKOPT="-DUSE_TRACEBACK -fno-omit-frame-pointer"])
 AC_SUBST([TRACEBACKOPT])
 AC_SUBST([TRACEBACKLIB])
 
+#process options
+OPTIMIZEOPT="-O3 -finline-limit=1000"
+AC_ARG_ENABLE([optimize],[  --enable-optimize   to compile with optimization [[default= -O3 -finline-limit=1000]]],
+    [case "${enableval}" in
+     yes) ;;
+     no) OPTIMIZEOPT="" ;;
+     *) OPTIMIZEOPT=${enableval}
+     esac],
+ ,)
+AC_SUBST([OPTIMIZEOPT])
+
+DEBUGOPT="-DDEBUG"
+AC_ARG_ENABLE([debug],[  --disable-debug   not to perform some range-checking [[default=yes]]],
+    [case "${enableval}" in
+     yes) ;;
+     no) DEBUGOPT="" ;;
+     *) AC_MSG_ERROR([bad value ${enableval} for --enable-debug]) ;;
+     esac],
+ ,)
+AC_SUBST([DEBUGOPT])
+
+MATPTROPT=""
+AC_ARG_ENABLE([matptr],[  --enable-matptr   switch to double** matrix representation  [[default=no]]],
+    [case "${enableval}" in
+     yes) MATPTROPT="-DMATPTR" ;;
+     no)  ;;
+     *) AC_MSG_ERROR([bad value ${enableval} for --enable-matptr]) ;;
+     esac],
+ ,)
+AC_SUBST([MATPTROPT])
+
+
+
+
 # Checks for header files.
 AC_CHECK_HEADERS([fcntl.h stdlib.h string.h sys/vfs.h unistd.h])
 
@@ -48,3 +96,12 @@ AC_CHECK_FUNCS([getpagesize memset sqrt])
 
 AC_CONFIG_FILES([Makefile])
 AC_OUTPUT
+echo
+echo "**********************************************************************************"
+echo "The LA library has now been configured. You may run make; make check; make install"
+echo "Please make sure that the generated Makefile employs a proper version of optimized"
+echo "BLAS/LAPACK library. If not, re-run configure with CXXFLAGS and LDFLAGS options   "
+echo "set to '-I path' and '-L path' for your preferred BLAS/LAPACK library version     "
+echo "For usage examples see file t.cc. Do not forget using copyonwrite() before        "
+echo "changing individual matrix/vector elements via l.h.s. operator[] or operator()    "
+echo "**********************************************************************************"