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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /vendor/compiler_builtins/libm/src/math/copysignf.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/compiler_builtins/libm/src/math/copysignf.rs')
-rw-r--r--vendor/compiler_builtins/libm/src/math/copysignf.rs11
1 files changed, 11 insertions, 0 deletions
diff --git a/vendor/compiler_builtins/libm/src/math/copysignf.rs b/vendor/compiler_builtins/libm/src/math/copysignf.rs
new file mode 100644
index 000000000..35148561a
--- /dev/null
+++ b/vendor/compiler_builtins/libm/src/math/copysignf.rs
@@ -0,0 +1,11 @@
+/// Sign of Y, magnitude of X (f32)
+///
+/// Constructs a number with the magnitude (absolute value) of its
+/// first argument, `x`, and the sign of its second argument, `y`.
+pub fn copysignf(x: f32, y: f32) -> f32 {
+ let mut ux = x.to_bits();
+ let uy = y.to_bits();
+ ux &= 0x7fffffff;
+ ux |= uy & 0x80000000;
+ f32::from_bits(ux)
+}