fix clang warnings

Author: thelfer

bindings/c/tests/BoundsCheckTest-c.c

@@ -83,15 +83,15 @@ int main(const int argc, const char* const* argv) {
   long double lowerBound;
   check_status(
       mgis_bv_behaviour_get_lower_bound(&lowerBound, b, "YoungModulus"));
-  check(fabs(lowerBound - yg_min) < eps * yg_min,
+  check(fabsl(lowerBound - yg_min) < eps * yg_min,
         "invalid lower bound for 'YoungModulus'");
   int hasUpperBound;
   check_status(mgis_bv_behaviour_has_upper_bound(&hasUpperBound, b, "YoungModulus"));
   check(hasUpperBound, "'YoungModulus' shall have an upper bound");
   long double upperBound;
   check_status(
       mgis_bv_behaviour_get_upper_bound(&upperBound, b, "YoungModulus"));
-  check(fabs(upperBound - yg_max) < eps * yg_max,
+  check(fabsl(upperBound - yg_max) < eps * yg_max,
         "invalid upper bound for 'YoungModulus'");
   // physical bounds
   int hasPhysicalBounds;
@@ -103,7 +103,7 @@ int main(const int argc, const char* const* argv) {
   long double lowerPhysicalBound;
   check_status(mgis_bv_behaviour_get_lower_physical_bound(&lowerPhysicalBound,
                                                           b, "YoungModulus"));
-  check(fabs(lowerPhysicalBound) < eps * yg_min,
+  check(fabsl(lowerPhysicalBound) < eps * yg_min,
         "invalid physical lower bound for 'YoungModulus'");
   int hasUpperPhysicalBound;
   check_status(mgis_bv_behaviour_has_upper_physical_bound(&hasUpperPhysicalBound, b, "YoungModulus"));

tests/LoadMaterialPropertyTest.cxx

@@ -20,7 +20,7 @@
 #include "MGIS/Raise.hxx"
 #include "MGIS/MaterialProperty/MaterialProperty.hxx"
 
-bool success = true;
+static bool success = true;
 
 static bool check(const bool b, const std::string_view msg) {
   if (!b) {