Delete outmoded fn round_from_int

Author: workingjubilee

crates/core_simd/src/round.rs

@@ -22,13 +22,6 @@ macro_rules! implement {
             pub unsafe fn to_int_unchecked(self) -> Simd<$int_type, LANES> {
                 unsafe { intrinsics::simd_cast(self) }
             }
-
-            /// Creates a floating-point vector from an integer vector.  Rounds values that are
-            /// not exactly representable.
-            #[inline]
-            pub fn round_from_int(value: Simd<$int_type, LANES>) -> Self {
-                unsafe { intrinsics::simd_cast(value) }
-            }
         }
     }
 }

crates/core_simd/tests/round.rs

@@ -53,14 +53,6 @@ macro_rules! float_rounding_test {
             }
 
             test_helpers::test_lanes! {
-                fn from_int<const LANES: usize>() {
-                    test_helpers::test_unary_elementwise(
-                        &Vector::<LANES>::round_from_int,
-                        &|x| x as Scalar,
-                        &|_| true,
-                    )
-                }
-
                 fn to_int_unchecked<const LANES: usize>() {
                     // The maximum integer that can be represented by the equivalently sized float has
                     // all of the mantissa digits set to 1, pushed up to the MSB.