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Rollup merge of #154922 - tgross35:builtins-inverse-trig, r=RalfJung

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c-b: Export inverse hyperbolic trigonometric functions

Since a1feab1638 ("Use libm for acosh and asinh"), the standard library may link these functions to get a more accurate approximation; however, some targets do not have the needed symbols available. Add them to the compiler-builtins export list to make sure the fallback is usable.

Closes: https://github.com/rust-lang/rust/issues/154919
This commit is contained in:
Jonathan Brouwer
2026-04-07 17:26:36 +02:00
committed by GitHub
parent 2c77e2474e 8930f50b96
commit a96fa87ee4
1 changed files with 4 additions and 0 deletions
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library/compiler-builtins/compiler-builtins/src/math/mod.rs
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@@ -144,8 +144,12 @@ pub mod partial_availability {
libm_intrinsics! {
fn acos(x: f64) -> f64;
fn acosf(n: f32) -> f32;
fn acosh(x: f64) -> f64;
fn acoshf(x: f32) -> f32;
fn asin(x: f64) -> f64;
fn asinf(n: f32) -> f32;
fn asinh(x: f64) -> f64;
fn asinhf(x: f32) -> f32;
fn atan(x: f64) -> f64;
fn atan2(x: f64, y: f64) -> f64;
fn atan2f(a: f32, b: f32) -> f32;