[libc-commits] [libc] [libc][math][c++23] Add exp2bf16 math function (PR #230213)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,h -- libc/shared/math/exp2bf16.h libc/src/__support/math/exp2bf16.h libc/src/math/exp2bf16.h libc/src/math/generic/exp2bf16.cpp libc/test/src/math/exp2bf16_test.cpp libc/test/src/math/smoke/exp2bf16_test.cpp --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/libc/test/src/math/smoke/exp2bf16_test.cpp b/libc/test/src/math/smoke/exp2bf16_test.cpp
index 7aeaf25a2..4d236400a 100644
--- a/libc/test/src/math/smoke/exp2bf16_test.cpp
+++ b/libc/test/src/math/smoke/exp2bf16_test.cpp
@@ -39,22 +39,21 @@ public:
                               LIBC_NAMESPACE::exp2bf16(neg_zero));
     EXPECT_MATH_ERRNO(0);
 
-    EXPECT_FP_EQ_WITH_EXCEPTION(
-        inf, LIBC_NAMESPACE::exp2bf16(max_normal), FE_OVERFLOW);
+    EXPECT_FP_EQ_WITH_EXCEPTION(inf, LIBC_NAMESPACE::exp2bf16(max_normal),
+                                FE_OVERFLOW);
     EXPECT_MATH_ERRNO(ERANGE);
 
-    EXPECT_FP_EQ_WITH_EXCEPTION(
-        inf, LIBC_NAMESPACE::exp2bf16(bfloat16(128.0f)), FE_OVERFLOW);
+    EXPECT_FP_EQ_WITH_EXCEPTION(inf, LIBC_NAMESPACE::exp2bf16(bfloat16(128.0f)),
+                                FE_OVERFLOW);
     EXPECT_MATH_ERRNO(ERANGE);
 
-    EXPECT_FP_EQ_WITH_EXCEPTION(
-        zero, LIBC_NAMESPACE::exp2bf16(neg_max_normal),
-        FE_UNDERFLOW | FE_INEXACT);
+    EXPECT_FP_EQ_WITH_EXCEPTION(zero, LIBC_NAMESPACE::exp2bf16(neg_max_normal),
+                                FE_UNDERFLOW | FE_INEXACT);
     EXPECT_MATH_ERRNO(ERANGE);
 
-    EXPECT_FP_EQ_WITH_EXCEPTION(
-        zero, LIBC_NAMESPACE::exp2bf16(bfloat16(-134.0f)),
-        FE_UNDERFLOW | FE_INEXACT);
+    EXPECT_FP_EQ_WITH_EXCEPTION(zero,
+                                LIBC_NAMESPACE::exp2bf16(bfloat16(-134.0f)),
+                                FE_UNDERFLOW | FE_INEXACT);
     EXPECT_MATH_ERRNO(ERANGE);
   }
 };

``````````

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https://github.com/llvm/llvm-project/pull/230213