Fix rvv_enable_all

Author: AntoinePrv

include/xsimd/arch/xsimd_rvv.hpp

@@ -1301,7 +1301,7 @@ namespace xsimd
         }
 
         // get (compile-time index): skip the slidedown when I == 0; lane 0 maps straight to the scalar move.
-        template <class A, size_t I, class T, detail::rvv_enable_all_t<T> = 0>
+        template <class A, size_t I, class T, detail::enable_arithmetic_t<T> = 0>
         XSIMD_INLINE T get(batch<T, A> const& arg, index<I>, requires_arch<rvv>) noexcept
         {
             XSIMD_IF_CONSTEXPR(I == 0)
@@ -1311,7 +1311,7 @@ namespace xsimd
             return get(arg, I, rvv {});
         }
 
-        template <class A, size_t I, class T, detail::rvv_enable_all_t<T> = 0>
+        template <class A, size_t I, class T, detail::enable_arithmetic_t<T> = 0>
         XSIMD_INLINE std::complex<T> get(batch<std::complex<T>, A> const& arg, index<I>, requires_arch<rvv>) noexcept
         {
             XSIMD_IF_CONSTEXPR(I == 0)