[libc][math][c++23] Add bf16div{,f,l,f128} math functions (#153191)

This PR adds the following basic math functions for BFloat16 type along
with the tests:
- bf16div
- bf16divf
- bf16divl
- bf16divf128

---------

Signed-off-by: Krishna Pandey <kpandey81930@gmail.com>

libc/config/baremetal/aarch64/entrypoints.txt

@@ -760,6 +760,9 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
   libc.src.math.bf16add
   libc.src.math.bf16addf
   libc.src.math.bf16addl
+  libc.src.math.bf16div
+  libc.src.math.bf16divf
+  libc.src.math.bf16divl
   libc.src.math.bf16mul
   libc.src.math.bf16mulf
   libc.src.math.bf16mull
@@ -788,6 +791,7 @@ if(LIBC_TYPES_HAS_FLOAT128)
   list(APPEND TARGET_LIBM_ENTRYPOINTS
     # math.h C++23 mixed bfloat16 and _Float128 entrypoints
     libc.src.math.bf16addf128
+    libc.src.math.bf16divf128
     libc.src.math.bf16mulf128
     libc.src.math.bf16subf128
   )

libc/config/baremetal/arm/entrypoints.txt

@@ -763,6 +763,9 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
   libc.src.math.bf16add
   libc.src.math.bf16addf
   libc.src.math.bf16addl
+  libc.src.math.bf16div
+  libc.src.math.bf16divf
+  libc.src.math.bf16divl
   libc.src.math.bf16mul
   libc.src.math.bf16mulf
   libc.src.math.bf16mull
@@ -791,6 +794,7 @@ if(LIBC_TYPES_HAS_FLOAT128)
   list(APPEND TARGET_LIBM_ENTRYPOINTS
     # math.h C++23 mixed bfloat16 and _Float128 entrypoints
     libc.src.math.bf16addf128
+    libc.src.math.bf16divf128
     libc.src.math.bf16mulf128
     libc.src.math.bf16subf128
   )

libc/config/baremetal/riscv/entrypoints.txt

@@ -763,6 +763,9 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
   libc.src.math.bf16add
   libc.src.math.bf16addf
   libc.src.math.bf16addl
+  libc.src.math.bf16div
+  libc.src.math.bf16divf
+  libc.src.math.bf16divl
   libc.src.math.bf16mul
   libc.src.math.bf16mulf
   libc.src.math.bf16mull
@@ -791,6 +794,7 @@ if(LIBC_TYPES_HAS_FLOAT128)
   list(APPEND TARGET_LIBM_ENTRYPOINTS
     # math.h C++23 mixed bfloat16 and _Float128 entrypoints
     libc.src.math.bf16addf128
+    libc.src.math.bf16divf128
     libc.src.math.bf16mulf128
     libc.src.math.bf16subf128
   )

libc/config/darwin/aarch64/entrypoints.txt

@@ -593,6 +593,9 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
   libc.src.math.bf16add
   libc.src.math.bf16addf
   libc.src.math.bf16addl
+  libc.src.math.bf16div
+  libc.src.math.bf16divf
+  libc.src.math.bf16divl
   libc.src.math.bf16mul
   libc.src.math.bf16mulf
   libc.src.math.bf16mull

libc/config/darwin/x86_64/entrypoints.txt

@@ -236,6 +236,9 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
   libc.src.math.bf16add
   libc.src.math.bf16addf
   libc.src.math.bf16addl
+  libc.src.math.bf16div
+  libc.src.math.bf16divf
+  libc.src.math.bf16divl
   libc.src.math.bf16mul
   libc.src.math.bf16mulf
   libc.src.math.bf16mull

libc/config/gpu/amdgpu/entrypoints.txt

@@ -619,6 +619,9 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
   libc.src.math.bf16add
   libc.src.math.bf16addf
   libc.src.math.bf16addl
+  libc.src.math.bf16div
+  libc.src.math.bf16divf
+  libc.src.math.bf16divl
   libc.src.math.bf16mul
   libc.src.math.bf16mulf
   libc.src.math.bf16mull

libc/config/gpu/nvptx/entrypoints.txt

@@ -620,6 +620,9 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
   libc.src.math.bf16add
   libc.src.math.bf16addf
   libc.src.math.bf16addl
+  libc.src.math.bf16div
+  libc.src.math.bf16divf
+  libc.src.math.bf16divl
   libc.src.math.bf16mul
   libc.src.math.bf16mulf
   libc.src.math.bf16mull

libc/config/linux/aarch64/entrypoints.txt

@@ -847,6 +847,9 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
   libc.src.math.bf16add
   libc.src.math.bf16addf
   libc.src.math.bf16addl
+  libc.src.math.bf16div
+  libc.src.math.bf16divf
+  libc.src.math.bf16divl
   libc.src.math.bf16mul
   libc.src.math.bf16mulf
   libc.src.math.bf16mull
@@ -875,6 +878,7 @@ if(LIBC_TYPES_HAS_FLOAT128)
   list(APPEND TARGET_LIBM_ENTRYPOINTS
     # math.h C++23 mixed bfloat16 and _Float128 entrypoints
     libc.src.math.bf16addf128
+    libc.src.math.bf16divf128
     libc.src.math.bf16mulf128
     libc.src.math.bf16subf128
   )

libc/config/linux/arm/entrypoints.txt

@@ -463,6 +463,9 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
   libc.src.math.bf16add
   libc.src.math.bf16addf
   libc.src.math.bf16addl
+  libc.src.math.bf16div
+  libc.src.math.bf16divf
+  libc.src.math.bf16divl
   libc.src.math.bf16mul
   libc.src.math.bf16mulf
   libc.src.math.bf16mull

libc/config/linux/riscv/entrypoints.txt

@@ -866,6 +866,9 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
   libc.src.math.bf16add
   libc.src.math.bf16addf
   libc.src.math.bf16addl
+  libc.src.math.bf16div
+  libc.src.math.bf16divf
+  libc.src.math.bf16divl
   libc.src.math.bf16mul
   libc.src.math.bf16mulf
   libc.src.math.bf16mull
@@ -894,6 +897,7 @@ if(LIBC_TYPES_HAS_FLOAT128)
   list(APPEND TARGET_LIBM_ENTRYPOINTS
     # math.h C++23 mixed bfloat16 and _Float128 entrypoints
     libc.src.math.bf16addf128
+    libc.src.math.bf16divf128
     libc.src.math.bf16mulf128
     libc.src.math.bf16subf128
   )

libc/config/linux/x86_64/entrypoints.txt

@@ -898,6 +898,9 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
   libc.src.math.bf16add
   libc.src.math.bf16addf
   libc.src.math.bf16addl
+  libc.src.math.bf16div
+  libc.src.math.bf16divf
+  libc.src.math.bf16divl
   libc.src.math.bf16mul
   libc.src.math.bf16mulf
   libc.src.math.bf16mull
@@ -926,6 +929,7 @@ if(LIBC_TYPES_HAS_FLOAT128)
   list(APPEND TARGET_LIBM_ENTRYPOINTS
     # math.h C++23 mixed bfloat16 and _Float128 entrypoints
     libc.src.math.bf16addf128
+    libc.src.math.bf16divf128
     libc.src.math.bf16mulf128
     libc.src.math.bf16subf128
   )

libc/config/windows/entrypoints.txt

@@ -309,6 +309,9 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
   libc.src.math.bf16add
   libc.src.math.bf16addf
   libc.src.math.bf16addl
+  libc.src.math.bf16div
+  libc.src.math.bf16divf
+  libc.src.math.bf16divl
   libc.src.math.bf16mul
   libc.src.math.bf16mulf
   libc.src.math.bf16mull

libc/src/math/CMakeLists.txt

@@ -579,6 +579,11 @@ add_math_entrypoint_object(bf16addf)
 add_math_entrypoint_object(bf16addl)
 add_math_entrypoint_object(bf16addf128)
 
+add_math_entrypoint_object(bf16div)
+add_math_entrypoint_object(bf16divf)
+add_math_entrypoint_object(bf16divl)
+add_math_entrypoint_object(bf16divf128)
+
 add_math_entrypoint_object(bf16mul)
 add_math_entrypoint_object(bf16mulf)
 add_math_entrypoint_object(bf16mull)

libc/src/math/bf16div.h

@@ -0,0 +1,21 @@
+//===-- Implementation header for bf16div -----------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SRC_MATH_BF16DIV_H
+#define LLVM_LIBC_SRC_MATH_BF16DIV_H
+
+#include "src/__support/macros/config.h"
+#include "src/__support/macros/properties/types.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+bfloat16 bf16div(double x, double y);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_MATH_BF16DIV_H

libc/src/math/bf16divf.h

@@ -0,0 +1,21 @@
+//===-- Implementation header for bf16divf ----------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SRC_MATH_BF16DIVF_H
+#define LLVM_LIBC_SRC_MATH_BF16DIVF_H
+
+#include "src/__support/macros/config.h"
+#include "src/__support/macros/properties/types.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+bfloat16 bf16divf(float x, float y);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_MATH_BF16DIVF_H

libc/src/math/bf16divf128.h

@@ -0,0 +1,21 @@
+//===-- Implementation header for bf16divf128 -------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SRC_MATH_BF16DIVF128_H
+#define LLVM_LIBC_SRC_MATH_BF16DIVF128_H
+
+#include "src/__support/macros/config.h"
+#include "src/__support/macros/properties/types.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+bfloat16 bf16divf128(float128 x, float128 y);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_MATH_BF16DIVF128_H

libc/src/math/bf16divl.h

@@ -0,0 +1,21 @@
+//===-- Implementation header for bf16divl ----------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SRC_MATH_BF16DIVL_H
+#define LLVM_LIBC_SRC_MATH_BF16DIVL_H
+
+#include "src/__support/macros/config.h"
+#include "src/__support/macros/properties/types.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+bfloat16 bf16divl(long double x, long double y);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_MATH_BF16DIVL_H

libc/src/math/generic/CMakeLists.txt

@@ -5049,6 +5049,61 @@ add_entrypoint_object(
     libc.src.__support.macros.properties.types
 )
 
+add_entrypoint_object(
+  bf16div
+  SRCS
+    bf16div.cpp
+  HDRS
+    ../bf16div.h
+  DEPENDS
+    libc.src.__support.common
+    libc.src.__support.FPUtil.bfloat16
+    libc.src.__support.FPUtil.generic.div
+    libc.src.__support.macros.config
+    libc.src.__support.macros.properties.types
+)
+
+add_entrypoint_object(
+  bf16divf
+  SRCS
+    bf16divf.cpp
+  HDRS
+    ../bf16divf.h
+  DEPENDS
+    libc.src.__support.common
+    libc.src.__support.FPUtil.bfloat16
+    libc.src.__support.FPUtil.generic.div
+    libc.src.__support.macros.config
+    libc.src.__support.macros.properties.types
+)
+
+add_entrypoint_object(
+  bf16divl
+  SRCS
+    bf16divl.cpp
+  HDRS
+    ../bf16divl.h
+  DEPENDS
+    libc.src.__support.common
+    libc.src.__support.FPUtil.bfloat16
+    libc.src.__support.FPUtil.generic.div
+    libc.src.__support.macros.config
+    libc.src.__support.macros.properties.types
+)
+
+add_entrypoint_object(
+  bf16divf128
+  SRCS
+    bf16divf128.cpp
+  HDRS
+    ../bf16divf128.h
+  DEPENDS
+    libc.src.__support.common
+    libc.src.__support.FPUtil.bfloat16
+    libc.src.__support.FPUtil.generic.div
+    libc.src.__support.macros.config
+    libc.src.__support.macros.properties.types
+)
 
 add_entrypoint_object(
   bf16sub

libc/src/math/generic/bf16div.cpp

@@ -0,0 +1,21 @@
+//===-- Implementation of bf16div function --------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/math/bf16div.h"
+#include "src/__support/FPUtil/bfloat16.h"
+#include "src/__support/FPUtil/generic/div.h"
+#include "src/__support/common.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(bfloat16, bf16div, (double x, double y)) {
+  return fputil::generic::div<bfloat16>(x, y);
+}
+
+} // namespace LIBC_NAMESPACE_DECL

libc/src/math/generic/bf16divf.cpp

@@ -0,0 +1,21 @@
+//===-- Implementation of bf16divf function -------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/math/bf16divf.h"
+#include "src/__support/FPUtil/bfloat16.h"
+#include "src/__support/FPUtil/generic/div.h"
+#include "src/__support/common.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(bfloat16, bf16divf, (float x, float y)) {
+  return fputil::generic::div<bfloat16>(x, y);
+}
+
+} // namespace LIBC_NAMESPACE_DECL

libc/src/math/generic/bf16divf128.cpp

@@ -0,0 +1,21 @@
+//===-- Implementation of bf16divf128 function ----------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/math/bf16divf128.h"
+#include "src/__support/FPUtil/bfloat16.h"
+#include "src/__support/FPUtil/generic/div.h"
+#include "src/__support/common.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(bfloat16, bf16divf128, (float128 x, float128 y)) {
+  return fputil::generic::div<bfloat16>(x, y);
+}
+
+} // namespace LIBC_NAMESPACE_DECL

libc/src/math/generic/bf16divl.cpp

@@ -0,0 +1,21 @@
+//===-- Implementation of bf16divl function -------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/math/bf16divl.h"
+#include "src/__support/FPUtil/bfloat16.h"
+#include "src/__support/FPUtil/generic/div.h"
+#include "src/__support/common.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(bfloat16, bf16divl, (long double x, long double y)) {
+  return fputil::generic::div<bfloat16>(x, y);
+}
+
+} // namespace LIBC_NAMESPACE_DECL

libc/test/src/math/CMakeLists.txt

@@ -3028,6 +3028,62 @@ add_fp_unittest(
     libc.src.__support.FPUtil.bfloat16
 )
 
+add_fp_unittest(
+  bf16div_test
+  NEED_MPFR
+  SUITE
+    libc-math-unittests
+  SRCS
+    bf16div_test.cpp
+  HDRS
+    DivTest.h
+  DEPENDS
+    libc.src.math.bf16div
+    libc.src.__support.FPUtil.bfloat16
+)
+
+add_fp_unittest(
+  bf16divf_test
+  NEED_MPFR
+  SUITE
+    libc-math-unittests
+  SRCS
+    bf16divf_test.cpp
+  HDRS
+    DivTest.h
+  DEPENDS
+    libc.src.math.bf16divf
+    libc.src.__support.FPUtil.bfloat16
+)
+
+add_fp_unittest(
+  bf16divl_test
+  NEED_MPFR
+  SUITE
+    libc-math-unittests
+  SRCS
+    bf16divl_test.cpp
+  HDRS
+    DivTest.h
+  DEPENDS
+    libc.src.math.bf16divl
+    libc.src.__support.FPUtil.bfloat16
+)
+
+add_fp_unittest(
+  bf16divf128_test
+  NEED_MPFR
+  SUITE
+    libc-math-unittests
+  SRCS
+    bf16divf128_test.cpp
+  HDRS
+    DivTest.h
+  DEPENDS
+    libc.src.math.bf16divf128
+    libc.src.__support.FPUtil.bfloat16
+)
+
 add_fp_unittest(
   bf16mul_test
   NEED_MPFR

libc/test/src/math/bf16div_test.cpp

@@ -0,0 +1,14 @@
+//===-- Unittests for bf16div ---------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "DivTest.h"
+
+#include "src/__support/FPUtil/bfloat16.h"
+#include "src/math/bf16div.h"
+
+LIST_DIV_TESTS(bfloat16, double, LIBC_NAMESPACE::bf16div)

libc/test/src/math/bf16divf128_test.cpp

@@ -0,0 +1,14 @@
+//===-- Unittests for bf16divf128 -----------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "DivTest.h"
+
+#include "src/__support/FPUtil/bfloat16.h"
+#include "src/math/bf16divf128.h"
+
+LIST_DIV_TESTS(bfloat16, float128, LIBC_NAMESPACE::bf16divf128)

libc/test/src/math/bf16divf_test.cpp

@@ -0,0 +1,14 @@
+//===-- Unittests for bf16divf --------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "DivTest.h"
+
+#include "src/__support/FPUtil/bfloat16.h"
+#include "src/math/bf16divf.h"
+
+LIST_DIV_TESTS(bfloat16, float, LIBC_NAMESPACE::bf16divf)

libc/test/src/math/bf16divl_test.cpp

@@ -0,0 +1,14 @@
+//===-- Unittests for bf16divl --------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "DivTest.h"
+
+#include "src/__support/FPUtil/bfloat16.h"
+#include "src/math/bf16divl.h"
+
+LIST_DIV_TESTS(bfloat16, long double, LIBC_NAMESPACE::bf16divl)

libc/test/src/math/smoke/CMakeLists.txt

@@ -5680,6 +5680,66 @@ add_fp_unittest(
     libc.src.__support.macros.properties.os
 )
 
+add_fp_unittest(
+  bf16div_test
+  SUITE
+    libc-math-smoke-tests
+  SRCS
+    bf16div_test.cpp
+  HDRS
+    DivTest.h
+  DEPENDS
+    libc.hdr.errno_macros
+    libc.hdr.fenv_macros
+    libc.src.math.bf16div
+    libc.src.__support.FPUtil.bfloat16
+)
+
+add_fp_unittest(
+  bf16divf_test
+  SUITE
+    libc-math-smoke-tests
+  SRCS
+    bf16divf_test.cpp
+  HDRS
+    DivTest.h
+  DEPENDS
+    libc.hdr.errno_macros
+    libc.hdr.fenv_macros
+    libc.src.math.bf16divf
+    libc.src.__support.FPUtil.bfloat16
+)
+
+add_fp_unittest(
+  bf16divl_test
+  SUITE
+    libc-math-smoke-tests
+  SRCS
+    bf16divl_test.cpp
+  HDRS
+    DivTest.h
+  DEPENDS
+    libc.hdr.errno_macros
+    libc.hdr.fenv_macros
+    libc.src.math.bf16divl
+    libc.src.__support.FPUtil.bfloat16
+)
+
+add_fp_unittest(
+  bf16divf128_test
+  SUITE
+    libc-math-smoke-tests
+  SRCS
+    bf16divf128_test.cpp
+  HDRS
+    DivTest.h
+  DEPENDS
+    libc.hdr.errno_macros
+    libc.hdr.fenv_macros
+    libc.src.math.bf16divf128
+    libc.src.__support.FPUtil.bfloat16
+)
+
 add_fp_unittest(
   bf16mul_test
   SUITE
@@ -5687,7 +5747,7 @@ add_fp_unittest(
   SRCS
     bf16mul_test.cpp
   HDRS
-    AddTest.h
+    MulTest.h
   DEPENDS
     libc.hdr.errno_macros
     libc.hdr.fenv_macros

libc/test/src/math/smoke/bf16div_test.cpp

@@ -0,0 +1,14 @@
+//===-- Unittests for bf16div ---------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "DivTest.h"
+
+#include "src/__support/FPUtil/bfloat16.h"
+#include "src/math/bf16div.h"
+
+LIST_DIV_TESTS(bfloat16, double, LIBC_NAMESPACE::bf16div)

libc/test/src/math/smoke/bf16divf128_test.cpp

@@ -0,0 +1,14 @@
+//===-- Unittests for bf16divf128 -----------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "DivTest.h"
+
+#include "src/__support/FPUtil/bfloat16.h"
+#include "src/math/bf16divf128.h"
+
+LIST_DIV_TESTS(bfloat16, float128, LIBC_NAMESPACE::bf16divf128)

libc/test/src/math/smoke/bf16divf_test.cpp

@@ -0,0 +1,14 @@
+//===-- Unittests for bf16divf --------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "DivTest.h"
+
+#include "src/__support/FPUtil/bfloat16.h"
+#include "src/math/bf16divf.h"
+
+LIST_DIV_TESTS(bfloat16, float, LIBC_NAMESPACE::bf16divf)

libc/test/src/math/smoke/bf16divl_test.cpp

@@ -0,0 +1,14 @@
+//===-- Unittests for bf16divl --------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "DivTest.h"
+
+#include "src/__support/FPUtil/bfloat16.h"
+#include "src/math/bf16divl.h"
+
+LIST_DIV_TESTS(bfloat16, long double, LIBC_NAMESPACE::bf16divl)