[libc-commits] [libc] [llvm] [libc][math][c23] Add acospibf16 math function (PR #190477)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,h -- libc/shared/math/acospibf16.h libc/src/__support/math/acospibf16.h libc/src/math/acospibf16.h libc/src/math/generic/acospibf16.cpp libc/test/src/math/acospibf16_test.cpp libc/test/src/math/smoke/acospibf16_test.cpp libc/shared/math.h libc/test/shared/shared_math_test.cpp --diff_from_common_commit
``````````

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``````````diff
diff --git a/libc/src/__support/math/acospibf16.h b/libc/src/__support/math/acospibf16.h
index 9d480897f..795f95dcd 100644
--- a/libc/src/__support/math/acospibf16.h
+++ b/libc/src/__support/math/acospibf16.h
@@ -25,9 +25,9 @@ LIBC_INLINE bfloat16 acospibf16(bfloat16 x) {
   // Generated by Sollya using the following command:
   // > display = hexadecimal;
   // > round(pi/2, SG, RN);
-//   constexpr float PI_2 = 0x1.921fb6p0f;
+  //   constexpr float PI_2 = 0x1.921fb6p0f;
   // > round(pi, SG, RN);
-//   constexpr float PI = 0x1.921fb6p1;
+  //   constexpr float PI = 0x1.921fb6p1;
 
   using FPBits = fputil::FPBits<bfloat16>;
   FPBits xbits(x);
diff --git a/libc/test/shared/shared_math_test.cpp b/libc/test/shared/shared_math_test.cpp
index d6999598a..1bff85c48 100644
--- a/libc/test/shared/shared_math_test.cpp
+++ b/libc/test/shared/shared_math_test.cpp
@@ -444,7 +444,8 @@ TEST(LlvmLibcSharedMathTest, AllFloat128) {
 
 TEST(LlvmLibcSharedMathTest, AllBFloat16) {
   using FPBits = LIBC_NAMESPACE::fputil::FPBits<bfloat16>;
-  EXPECT_FP_EQ(bfloat16(0.0), LIBC_NAMESPACE::shared::acospibf16(bfloat16(1.0)));
+  EXPECT_FP_EQ(bfloat16(0.0),
+               LIBC_NAMESPACE::shared::acospibf16(bfloat16(1.0)));
   EXPECT_FP_EQ(bfloat16(0.0), LIBC_NAMESPACE::shared::atanbf16(bfloat16(0.0)));
   EXPECT_FP_EQ(bfloat16(0.0), LIBC_NAMESPACE::shared::asinbf16(bfloat16(0.0)));
   EXPECT_FP_EQ(bfloat16(5.0), LIBC_NAMESPACE::shared::bf16add(2.0, 3.0));
diff --git a/libc/test/src/math/smoke/acospibf16_test.cpp b/libc/test/src/math/smoke/acospibf16_test.cpp
index 1aaa653e4..55ef35840 100644
--- a/libc/test/src/math/smoke/acospibf16_test.cpp
+++ b/libc/test/src/math/smoke/acospibf16_test.cpp
@@ -26,8 +26,7 @@ public:
         aNaN, LIBC_NAMESPACE::acospibf16(sNaN), FE_INVALID);
     EXPECT_MATH_ERRNO(0);
 
-    EXPECT_FP_EQ_ALL_ROUNDING(bfloat16(0.5),
-                              LIBC_NAMESPACE::acospibf16(zero));
+    EXPECT_FP_EQ_ALL_ROUNDING(bfloat16(0.5), LIBC_NAMESPACE::acospibf16(zero));
     EXPECT_MATH_ERRNO(0);
 
     EXPECT_FP_EQ_ALL_ROUNDING(bfloat16(0.5),

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https://github.com/llvm/llvm-project/pull/190477