[libc-commits] [libc] [libc][math][c23] Add asinhf16() function (PR #131351)

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git-clang-format --diff 389ed474e81f402294a1dc03a5ea7b039a523965 75ec8ec56aafe9c38fecde76ff175979a494b503 --extensions cpp,h -- libc/src/math/asinhf16.h libc/src/math/generic/asinhf16.cpp libc/test/src/math/asinhf16_test.cpp libc/test/src/math/smoke/asinhf16_test.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/libc/src/math/asinhf16.h b/libc/src/math/asinhf16.h
index 2969a34981..610b37b885 100644
--- a/libc/src/math/asinhf16.h
+++ b/libc/src/math/asinhf16.h
@@ -1,4 +1,5 @@
-//===-- Implementation header for asinhf16 -----------------------*- C++ -*-===//
+//===-- Implementation header for asinhf16 -----------------------*- C++
+//-*-===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/libc/src/math/generic/asinhf16.cpp b/libc/src/math/generic/asinhf16.cpp
index d8a6058623..34e2a90d83 100644
--- a/libc/src/math/generic/asinhf16.cpp
+++ b/libc/src/math/generic/asinhf16.cpp
@@ -1,4 +1,5 @@
-//===-- Half-precision asinhf16(x) function --------------------------------===//
+//===-- Half-precision asinhf16(x) function
+//--------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -8,30 +9,29 @@
 //===----------------------------------------------------------------------===//
 
 #include "src/math/asinhf16.h"
-#include "src/math/generic/explogxf.h"
 #include "src/__support/FPUtil/except_value_utils.h"
 #include "src/__support/FPUtil/generic/sqrt.h"
 #include "src/__support/FPUtil/multiply_add.h"
 #include "src/__support/common.h"
 #include "src/__support/macros/config.h"
 #include "src/__support/macros/properties/types.h"
+#include "src/math/generic/explogxf.h"
 
 namespace LIBC_NAMESPACE_DECL {
 
 #ifndef LIBC_MATH_HAS_SKIP_ACCURATE_PASS
 static constexpr size_t N_EXCEPTS = 8;
 
-static constexpr fputil::ExceptValues<float16, N_EXCEPTS> ASINHF16_EXCEPTS{{
-    // (input, RZ output, RU offset, RD offset, RN offset)
-    {0x3769, 0x372A, 1, 0, 1},
-    {0x3B5B, 0x3A96, 1, 0, 0},
-    {0x4B1F, 0x42B3, 1, 0, 0},
-    {0x4C9B, 0x4336, 1, 0, 1},
-    {0xB769, 0xB72A, 0, 1, 1},
-    {0xBB5B, 0xBA96, 0, 1, 0},
-    {0xCB1F, 0xC2B3, 0, 1, 0},
-    {0xCC9B, 0xC336, 0, 1, 1}
-}};
+static constexpr fputil::ExceptValues<float16, N_EXCEPTS> ASINHF16_EXCEPTS{
+    {// (input, RZ output, RU offset, RD offset, RN offset)
+     {0x3769, 0x372A, 1, 0, 1},
+     {0x3B5B, 0x3A96, 1, 0, 0},
+     {0x4B1F, 0x42B3, 1, 0, 0},
+     {0x4C9B, 0x4336, 1, 0, 1},
+     {0xB769, 0xB72A, 0, 1, 1},
+     {0xBB5B, 0xBA96, 0, 1, 0},
+     {0xCB1F, 0xC2B3, 0, 1, 0},
+     {0xCC9B, 0xC336, 0, 1, 1}}};
 #endif // !LIBC_MATH_HAS_SKIP_ACCURATE_PASS
 
 LLVM_LIBC_FUNCTION(float16, asinhf16, (float16 x)) {
@@ -64,8 +64,8 @@ LLVM_LIBC_FUNCTION(float16, asinhf16, (float16 x)) {
   if (LIBC_UNLIKELY(x_abs <= 0x3400)) {
     if (LIBC_UNLIKELY(x_abs == 0))
       return x;
-    if (LIBC_UNLIKELY((fputil::get_round() == FE_UPWARD) &&
-                      (x_u >= 0x8401) && (x_u <= 0x90E6)))
+    if (LIBC_UNLIKELY((fputil::get_round() == FE_UPWARD) && (x_u >= 0x8401) &&
+                      (x_u <= 0x90E6)))
       return static_cast<float16>(x_d + 0x1p-24f);
 
     float x_sq = x_d * x_d;
@@ -79,7 +79,7 @@ LLVM_LIBC_FUNCTION(float16, asinhf16, (float16 x)) {
 
   // General case: asinh(x) = ln(x + sqrt(x^2 + 1))
   float sqrt_term = fputil::sqrt<float>(fputil::multiply_add(x_d, x_d, 1.0f));
-  return fputil::cast<float16>(x_sign * log_eval(
-    fputil::multiply_add(x_d, x_sign, sqrt_term)));
-}
+  return fputil::cast<float16>(
+      x_sign * log_eval(fputil::multiply_add(x_d, x_sign, sqrt_term)));
 }
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/test/src/math/asinhf16_test.cpp b/libc/test/src/math/asinhf16_test.cpp
index 32f3aa141d..f5f4f47e80 100644
--- a/libc/test/src/math/asinhf16_test.cpp
+++ b/libc/test/src/math/asinhf16_test.cpp
@@ -1,4 +1,5 @@
-//===-- Exhaustive test for asinhf16 ---------------------------------------===//
+//===-- Exhaustive test for asinhf16
+//---------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/libc/test/src/math/smoke/asinhf16_test.cpp b/libc/test/src/math/smoke/asinhf16_test.cpp
index 6faac38067..d3c3251465 100644
--- a/libc/test/src/math/smoke/asinhf16_test.cpp
+++ b/libc/test/src/math/smoke/asinhf16_test.cpp
@@ -1,4 +1,5 @@
-//===-- Unittests for asinhf16 ----------------------------------------------===//
+//===-- Unittests for asinhf16
+//----------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.

``````````

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https://github.com/llvm/llvm-project/pull/131351