WIP

Author: serge-sans-paille

include/xsimd/arch/xsimd_altivec.hpp

@@ -778,6 +778,13 @@ namespace xsimd
             return bitwise_cast<int16_t>(swizzle(bitwise_cast<uint16_t>(self), mask, altivec {}));
         }
 
+        // trunc
+        template <class A, class T, class = typename std::enable_if<std::is_floating_point<T>::value, void>::type>
+        XSIMD_INLINE batch<T, A> trunc(batch<T, A> const& self, requires_arch<altivec>) noexcept
+        {
+            return vec_trunc(self.data);
+        }
+
         // zip_hi
         template <class A, class T, class = typename std::enable_if<std::is_scalar<T>::value, void>::type>
         XSIMD_INLINE batch<T, A> zip_hi(batch<T, A> const& self, batch<T, A> const& other, requires_arch<altivec>) noexcept