libm: Flatten the `libm/libm` directory

1 files changed, 8 insertions, 0 deletions

diff --git a/library/compiler-builtins/libm/src/math/copysignf128.rs b/library/compiler-builtins/libm/src/math/copysignf128.rs
new file mode 100644
index 00000000000..7bd81d42b2e
--- /dev/null
+++ b/library/compiler-builtins/libm/src/math/copysignf128.rs
@@ -0,0 +1,8 @@
+/// Sign of Y, magnitude of X (f128)
+///
+/// Constructs a number with the magnitude (absolute value) of its
+/// first argument, `x`, and the sign of its second argument, `y`.
+#[cfg_attr(all(test, assert_no_panic), no_panic::no_panic)]
+pub fn copysignf128(x: f128, y: f128) -> f128 {
+    super::generic::copysign(x, y)
+}