Vendor dependencies for 0.3.0 release

vendor/portable-atomic/src/imp/float/mod.rs

@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
+/*
+Atomic float implementations
+*/
+
+#![allow(clippy::float_arithmetic)]
+
+mod int;
+
+#[cfg(all(
+    any(target_arch = "aarch64", target_arch = "arm64ec"),
+    any(target_feature = "lsfe", portable_atomic_target_feature = "lsfe"),
+    target_feature = "neon", // for vreg
+    not(any(miri, portable_atomic_sanitize_thread)),
+    any(not(portable_atomic_no_asm), portable_atomic_unstable_asm),
+))]
+mod aarch64;
+
+#[cfg(portable_atomic_unstable_f16)]
+cfg_has_atomic_16! {
+    pub(crate) use self::int::AtomicF16;
+}
+cfg_has_atomic_32! {
+    pub(crate) use self::int::AtomicF32;
+}
+cfg_has_atomic_64! {
+    pub(crate) use self::int::AtomicF64;
+}
+#[cfg(portable_atomic_unstable_f128)]
+cfg_has_atomic_128! {
+    pub(crate) use self::int::AtomicF128;
+}