some formatting errors

Author: ThanSin02426

libc/shared/math/bf16divf128.h

@@ -1,4 +1,5 @@
-//===-- Shared bf16divf128 function -------------------------------*- C++ -*-===//
+//===-- Shared bf16divf128 function -------------------------------*- C++
+//-*-===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -15,7 +16,9 @@
 namespace LIBC_NAMESPACE_DECL {
 namespace shared {
 
+#ifdef LIBC_TYPES_HAS_FLOAT128
 using math::bf16divf128;
+#endif // LIBC_TYPES_HAS_FLOAT128
 
 } // namespace shared
 } // namespace LIBC_NAMESPACE_DECL

libc/src/__support/math/CMakeLists.txt

@@ -457,9 +457,11 @@ add_header_library(
   HDRS
     bf16divf128.h
   DEPENDS
+    libc.include.llvm-libc-types.float128
     libc.src.__support.FPUtil.bfloat16
     libc.src.__support.FPUtil.generic.div
     libc.src.__support.macros.config
+    libc.src.__support.macros.properties.types
 )
 
 add_header_library(

libc/src/__support/math/bf16divf128.h

@@ -15,9 +15,11 @@
 namespace LIBC_NAMESPACE_DECL {
 namespace math {
 
+#ifdef LIBC_TYPES_HAS_FLOAT128
 LIBC_INLINE constexpr bfloat16 bf16divf128(float128 x, float128 y) {
   return fputil::generic::div<bfloat16>(x, y);
 }
+#endif // LIBC_TYPES_HAS_FLOAT128
 
 } // namespace math
 } // namespace LIBC_NAMESPACE_DECL

utils/bazel/llvm-project-overlay/libc/BUILD.bazel

@@ -3182,9 +3182,10 @@ libc_support_library(
     name = "__support_math_bf16divf128",
     hdrs = ["src/__support/math/bf16divf128.h"],
     deps = [
+        ":__support_fputil_basic_operations",
         ":__support_fputil_bfloat16",
-        ":__support_fputil_generic_div",
         ":__support_macros_config",
+        ":llvm_libc_types_float128",
     ],
 )