add check_nonfinite config option

include/armadillo_bits/arma_config.hpp

@@ -65,6 +65,13 @@ struct arma_config
   #endif
   
   
+  #if defined(ARMA_CHECK_NONFINITE)
+    static constexpr bool check_nonfinite = true;
+  #else
+    static constexpr bool check_nonfinite = false;
+  #endif
+  
+  
   #if defined(ARMA_USE_LAPACK)
     static constexpr bool lapack = true;
   #else

include/armadillo_bits/config.hpp

@@ -154,6 +154,11 @@
   //// of inv() and inv_sympd() within compound expressions
 #endif
 
+#if !defined(ARMA_CHECK_NONFINITE)
+  #define ARMA_CHECK_NONFINITE
+  //// Comment out the above line if you don't want automatic checking for nonfinite matrices
+#endif
+
 // #define ARMA_USE_HDF5_ALT
 #if defined(ARMA_USE_HDF5_ALT) && defined(ARMA_USE_WRAPPER)
   #undef  ARMA_USE_HDF5

include/armadillo_bits/config.hpp.cmake

@@ -154,7 +154,12 @@
   //// of inv() and inv_sympd() within compound expressions
 #endif
 
-#cmakedefine ARMA_USE_HDF5_ALT
+#if !defined(ARMA_CHECK_NONFINITE)
+  #define ARMA_CHECK_NONFINITE
+  //// Comment out the above line if you don't want automatic checking for nonfinite matrices
+#endif
+
+// #define ARMA_USE_HDF5_ALT
 #if defined(ARMA_USE_HDF5_ALT) && defined(ARMA_USE_WRAPPER)
   #undef  ARMA_USE_HDF5
   #define ARMA_USE_HDF5