[libc-commits] [libc] [libc] Fix unused statements in asin when accurate path is not needed. (PR #150726)
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Fri Jul 25 18:00:57 PDT 2025
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-libc
Author: None (lntue)
<details>
<summary>Changes</summary>
Fix offload build bots: https://lab.llvm.org/buildbot/#/builders/10/builds/10213
---
Full diff: https://github.com/llvm/llvm-project/pull/150726.diff
1 Files Affected:
- (modified) libc/src/__support/math/asin.h (+3-2)
``````````diff
diff --git a/libc/src/__support/math/asin.h b/libc/src/__support/math/asin.h
index 9734f349688c0..84fc1cfd5679e 100644
--- a/libc/src/__support/math/asin.h
+++ b/libc/src/__support/math/asin.h
@@ -27,8 +27,6 @@ namespace math {
static constexpr double asin(double x) {
using namespace asin_internal;
- using Float128 = fputil::DyadicFloat<128>;
- using DoubleDouble = fputil::DoubleDouble;
using FPBits = fputil::FPBits<double>;
FPBits xbits(x);
@@ -76,6 +74,9 @@ static constexpr double asin(double x) {
#ifdef LIBC_MATH_HAS_SKIP_ACCURATE_PASS
return x * asin_eval(x * x);
#else
+ using Float128 = fputil::DyadicFloat<128>;
+ using DoubleDouble = fputil::DoubleDouble;
+
unsigned idx = 0;
DoubleDouble x_sq = fputil::exact_mult(x, x);
double err = xbits.abs().get_val() * 0x1.0p-51;
``````````
</details>
https://github.com/llvm/llvm-project/pull/150726
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