better umfpack and cholmod testing

AMDiS/AMDISConfig.cmake.in

@@ -138,8 +138,49 @@ if(AMDIS_NEED_UMFPACK)
 			include_directories(${AMDIS_INCLUDE_DIRS})
 			add_executable(cholmodTest cholmodTest.cpp)
 			target_link_libraries(cholmodTest ${AMDIS_LIBRARIES})")
-	file(WRITE ${_CHOLMOD_TEST_DIR}/cholmodTest.cpp "#include <umfpack.h> 
-			int main(int , char* argv[]) { double c[UMFPACK_CONTROL]; umfpack_dl_defaults(c); return 0;}")
+	file(WRITE ${_CHOLMOD_TEST_DIR}/cholmodTest.cpp "#include <stdio.h>
+
+#include \"umfpack.h\"
+
+int n = 5 ;
+
+int Ap [ ] = {0, 2, 5, 9, 10, 12} ;
+
+int Ai [ ] = { 0, 1, 0, 2, 4, 1, 2, 3, 4, 2, 1, 4} ;
+
+double Ax [ ] = {2., 3., 3., -1., 4., 4., -3., 1., 2., 2., 6., 1.} ;
+
+double b [ ] = {8., 45., -3., 3., 19.} ;
+
+double x [5] ;
+
+int main (void)
+
+{
+
+double *null = (double *) NULL ;
+
+int i ;
+
+void *Symbolic, *Numeric ;
+
+(void) umfpack_di_symbolic (n, n, Ap, Ai, Ax, &Symbolic, null, null) ;
+
+(void) umfpack_di_numeric (Ap, Ai, Ax, Symbolic, &Numeric, null, null) ;
+
+umfpack_di_free_symbolic (&Symbolic) ;
+
+(void) umfpack_di_solve (UMFPACK_A, Ap, Ai, Ax, x, b, Numeric, null, null) ;
+
+umfpack_di_free_numeric (&Numeric) ;
+
+for (i = 0 ; i < n ; i++) printf ("x [%d] = %g\n", i, x [i]) ;
+
+return (0) ;
+
+}")
+# "#include <umfpack.h> 
+#			int main(int , char* argv[]) { double c[UMFPACK_CONTROL]; umfpack_dl_defaults(c); return 0;}")
 	try_compile(CHOLMOD_TEST ${_CHOLMOD_TEST_DIR}/build ${_CHOLMOD_TEST_DIR} cholmodTest
 			OUTPUT_VARIABLE CHOLMOD_OUT)
 	if(NOT CHOLMOD_TEST)