fix(hex8): retain tensor failure priority before MKL dispatch

src/fesa/elements/hex8_element.cpp

@@ -428,6 +428,10 @@ Result<Hex8Response> Hex8Element::Evaluate(const Vector& u,
     Matrix shear{0U, 0U};
     Matrix gram{0U, 0U};
     Matrix geometric{0U, 0U};
+    if (!Finite(f) || !Finite(strain) || !Finite(s) || !Finite(p) ||
+        !Finite(fft) || !Finite(stress))
+      return Result<Hex8Response>::Failure(
+          Failure("Hex8 trial tensor is nonfinite."));
     if (nonlinear) {
       std::array<Triple, 8> fg{};
       for (std::size_t a = 0; a < 8; ++a)
@@ -475,10 +479,6 @@ Result<Hex8Response> Hex8Element::Evaluate(const Vector& u,
             }
         }
     }
-    if (!Finite(f) || !Finite(strain) || !Finite(s) || !Finite(p) ||
-        !Finite(fft) || !Finite(stress))
-      return Result<Hex8Response>::Failure(
-          Failure("Hex8 trial tensor is nonfinite."));
     response.points[g] = {element_index_, static_cast<int>(g + 1U),
                           point.natural,  point.position,
                           Pack(stress),   Pack(strain)};