Document the new DPF surfaces in one command set, and test the field, half-tree, and multipoint edges.

Co-authored-by: Cursor <cursoragent@cursor.com>

include/grotto/gadgets/exponential/exp10.hpp

@@ -20,7 +20,11 @@ namespace grotto
 namespace gadgets
 {
 
-struct exp10
+HEDLEY_DIAGNOSTIC_PUSH
+HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED
+
+
+struct HEDLEY_DEPRECATED_FOR(2026, grotto::eval_reduced) exp10
 {
     template <typename T>
     T operator()(T x) { return std::min(std::pow(10, static_cast<double>(x)), std::numeric_limits<T>::max()); }
@@ -39,6 +43,8 @@ struct gadget_hints<exp10>
     static constexpr std::array<double, degree+1> * hint_canonical_polys = nullptr;
 };
 
+HEDLEY_DIAGNOSTIC_POP
+
 }  // namespace gadgets
 
 }  // namespace grotto