[libc][NFC] Clean up test/src/math/differential_testing folder, renaming it to performance_testing.

[lntue]

Removing all the diff tests.

[llvmbot]

@llvm/pr-subscribers-libc

Author: None (lntue)

Changes

Removing all the diff tests.

---

Patch is 53.21 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/84646.diff

50 Files Affected:

• (modified) libc/docs/math/index.rst (+2-2)
• (modified) libc/src/math/docs/add_math_function.md (+4-4)
• (modified) libc/test/src/math/CMakeLists.txt (+1-1)
• (removed) libc/test/src/math/differential_testing/ceilf_diff.cpp (-16)
• (removed) libc/test/src/math/differential_testing/cosf_diff.cpp (-16)
• (removed) libc/test/src/math/differential_testing/exp2f_diff.cpp (-16)
• (removed) libc/test/src/math/differential_testing/expf_diff.cpp (-16)
• (removed) libc/test/src/math/differential_testing/expm1f_diff.cpp (-16)
• (removed) libc/test/src/math/differential_testing/fabsf_diff.cpp (-16)
• (removed) libc/test/src/math/differential_testing/floorf_diff.cpp (-16)
• (removed) libc/test/src/math/differential_testing/fmod_diff.cpp (-16)
• (removed) libc/test/src/math/differential_testing/fmodf_diff.cpp (-16)
• (removed) libc/test/src/math/differential_testing/hypot_diff.cpp (-16)
• (removed) libc/test/src/math/differential_testing/hypotf_diff.cpp (-16)
• (removed) libc/test/src/math/differential_testing/log2f_diff.cpp (-16)
• (removed) libc/test/src/math/differential_testing/logbf_diff.cpp (-16)
• (removed) libc/test/src/math/differential_testing/logf_diff.cpp (-16)
• (removed) libc/test/src/math/differential_testing/nearbyintf_diff.cpp (-16)
• (removed) libc/test/src/math/differential_testing/rintf_diff.cpp (-16)
• (removed) libc/test/src/math/differential_testing/roundf_diff.cpp (-16)
• (removed) libc/test/src/math/differential_testing/sinf_diff.cpp (-16)
• (removed) libc/test/src/math/differential_testing/sqrtf_diff.cpp (-16)
• (removed) libc/test/src/math/differential_testing/truncf_diff.cpp (-16)
• (renamed) libc/test/src/math/performance_testing/BinaryOpSingleOutputPerf.h (+7-48)
• (renamed) libc/test/src/math/performance_testing/CMakeLists.txt (+40-228)
• (renamed) libc/test/src/math/performance_testing/SingleInputSingleOutputPerf.h (+9-38)
• (renamed) libc/test/src/math/performance_testing/Timer.cpp ()
• (renamed) libc/test/src/math/performance_testing/Timer.h (+3-3)
• (renamed) libc/test/src/math/performance_testing/ceilf_perf.cpp (+1-1)
• (renamed) libc/test/src/math/performance_testing/cosf_perf.cpp (+1-1)
• (renamed) libc/test/src/math/performance_testing/exp2f_perf.cpp (+1-1)
• (renamed) libc/test/src/math/performance_testing/expf_perf.cpp (+1-1)
• (renamed) libc/test/src/math/performance_testing/expm1f_perf.cpp (+1-1)
• (renamed) libc/test/src/math/performance_testing/fabsf_perf.cpp (+1-1)
• (renamed) libc/test/src/math/performance_testing/floorf_perf.cpp (+1-1)
• (renamed) libc/test/src/math/performance_testing/fmod_perf.cpp (+1-1)
• (renamed) libc/test/src/math/performance_testing/fmodf_perf.cpp (+1-1)
• (renamed) libc/test/src/math/performance_testing/hypot_perf.cpp (+1-1)
• (renamed) libc/test/src/math/performance_testing/hypotf_perf.cpp (+1-1)
• (renamed) libc/test/src/math/performance_testing/log10f_perf.cpp (+1-1)
• (renamed) libc/test/src/math/performance_testing/log1pf_perf.cpp (+1-1)
• (renamed) libc/test/src/math/performance_testing/log2f_perf.cpp (+1-1)
• (renamed) libc/test/src/math/performance_testing/logbf_perf.cpp (+1-1)
• (renamed) libc/test/src/math/performance_testing/logf_perf.cpp (+1-1)
• (renamed) libc/test/src/math/performance_testing/nearbyintf_perf.cpp (+1-1)
• (renamed) libc/test/src/math/performance_testing/rintf_perf.cpp (+1-1)
• (renamed) libc/test/src/math/performance_testing/roundf_perf.cpp (+1-1)
• (renamed) libc/test/src/math/performance_testing/sinf_perf.cpp (+1-1)
• (renamed) libc/test/src/math/performance_testing/sqrtf_perf.cpp (+1-1)
• (renamed) libc/test/src/math/performance_testing/truncf_perf.cpp (+1-1)

diff --git a/libc/docs/math/index.rst b/libc/docs/math/index.rst
index 7f2a1b2f3e2824..b22ed5127c179e 100644
--- a/libc/docs/math/index.rst
+++ b/libc/docs/math/index.rst
@@ -567,13 +567,13 @@ Legends:
 Performance
 ===========
 
-* Simple performance testings are located at: `libc/test/src/math/differential_testing <https://github.com/llvm/llvm-project/tree/main/libc/test/src/math/differential_testing>`_.
+* Simple performance testings are located at: `libc/test/src/math/performance_testing <https://github.com/llvm/llvm-project/tree/main/libc/test/src/math/performance_testing>`_.
 
 * We also use the *perf* tool from the `CORE-MATH <https://core-math.gitlabpages.inria.fr/>`_
   project: `link <https://gitlab.inria.fr/core-math/core-math/-/tree/master>`_.
   The performance results from the CORE-MATH's perf tool are reported in the
   table below, using the system library as reference (such as the `GNU C library <https://www.gnu.org/software/libc/>`_
-  on Linux). Fmod performance results obtained with "differential_testing".
+  on Linux). Fmod performance results obtained with "performance_testing".
 
 +--------------+-------------------------------+-------------------------------+-------------------------------------+----------------------------------------------------------------------+
 | <Func>       | Reciprocal throughput (clk)   | Latency (clk)                 | Testing ranges                      | Testing configuration                                                |
diff --git a/libc/src/math/docs/add_math_function.md b/libc/src/math/docs/add_math_function.md
index 6f08bf037c578e..f8bc8a3bdd8b1d 100644
--- a/libc/src/math/docs/add_math_function.md
+++ b/libc/src/math/docs/add_math_function.md
@@ -129,11 +129,11 @@ implementation (which is very often glibc).
 
 - Add a performance test to:
 ```
-  libc/test/src/math/differential_testing/<func>_perf.cpp
+  libc/test/src/math/performance_testing/<func>_perf.cpp
 ```
 - Add the corresponding entry point to:
 ```
-  libc/test/src/math/differential_testing/CMakeLists.txt
+  libc/test/src/math/performance_testing/CMakeLists.txt
 ```
 
 ## Build and Run
@@ -189,8 +189,8 @@ implementation (which is very often glibc).
 
 - Build and Run performance test:
 ```
-  $ ninja libc.test.src.math.differential_testing.<func>_perf
-  $ projects/libc/test/src/math/differential_testing/libc.test.src.math.differential_testing.<func>_perf
+  $ ninja libc.test.src.math.performance_testing.<func>_perf
+  $ projects/libc/test/src/math/performance_testing/libc.test.src.math.performance_testing.<func>_perf
   $ cat <func>_perf.log
 ```
 
diff --git a/libc/test/src/math/CMakeLists.txt b/libc/test/src/math/CMakeLists.txt
index ad7dfdb3dfd9ec..b8a4aafcd97aa2 100644
--- a/libc/test/src/math/CMakeLists.txt
+++ b/libc/test/src/math/CMakeLists.txt
@@ -1721,5 +1721,5 @@ add_subdirectory(smoke)
 
 if(NOT LLVM_LIBC_FULL_BUILD)
   add_subdirectory(exhaustive)
-  add_subdirectory(differential_testing)
+  add_subdirectory(performance_testing)
 endif()
diff --git a/libc/test/src/math/differential_testing/ceilf_diff.cpp b/libc/test/src/math/differential_testing/ceilf_diff.cpp
deleted file mode 100644
index 7c0bb1e95a03fd..00000000000000
--- a/libc/test/src/math/differential_testing/ceilf_diff.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for ceilf----------------------------------------===//
-//
-// 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 "SingleInputSingleOutputDiff.h"
-
-#include "src/math/ceilf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::ceilf, ::ceilf,
-                                "ceilf_diff.log")
diff --git a/libc/test/src/math/differential_testing/cosf_diff.cpp b/libc/test/src/math/differential_testing/cosf_diff.cpp
deleted file mode 100644
index ee3102384a8e6b..00000000000000
--- a/libc/test/src/math/differential_testing/cosf_diff.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for cosf ----------------------------------------===//
-//
-// 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 "SingleInputSingleOutputDiff.h"
-
-#include "src/math/cosf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::cosf, ::cosf,
-                                "cosf_diff.log")
diff --git a/libc/test/src/math/differential_testing/exp2f_diff.cpp b/libc/test/src/math/differential_testing/exp2f_diff.cpp
deleted file mode 100644
index 545c6de320fc7c..00000000000000
--- a/libc/test/src/math/differential_testing/exp2f_diff.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for exp2f----------------------------------------===//
-//
-// 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 "SingleInputSingleOutputDiff.h"
-
-#include "src/math/exp2f.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::exp2f, ::exp2f,
-                                "exp2f_diff.log")
diff --git a/libc/test/src/math/differential_testing/expf_diff.cpp b/libc/test/src/math/differential_testing/expf_diff.cpp
deleted file mode 100644
index 7c2e90744bc915..00000000000000
--- a/libc/test/src/math/differential_testing/expf_diff.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for expf ----------------------------------------===//
-//
-// 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 "SingleInputSingleOutputDiff.h"
-
-#include "src/math/expf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::expf, ::expf,
-                                "expf_diff.log")
diff --git a/libc/test/src/math/differential_testing/expm1f_diff.cpp b/libc/test/src/math/differential_testing/expm1f_diff.cpp
deleted file mode 100644
index 3cbd8a99690fb4..00000000000000
--- a/libc/test/src/math/differential_testing/expm1f_diff.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for expm1f --------------------------------------===//
-//
-// 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 "SingleInputSingleOutputDiff.h"
-
-#include "src/math/expm1f.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::expm1f, ::expm1f,
-                                "expm1f_diff.log")
diff --git a/libc/test/src/math/differential_testing/fabsf_diff.cpp b/libc/test/src/math/differential_testing/fabsf_diff.cpp
deleted file mode 100644
index 9bf9eff888fb51..00000000000000
--- a/libc/test/src/math/differential_testing/fabsf_diff.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for fabsf----------------------------------------===//
-//
-// 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 "SingleInputSingleOutputDiff.h"
-
-#include "src/math/fabsf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::fabsf, ::fabsf,
-                                "fabsf_diff.log")
diff --git a/libc/test/src/math/differential_testing/floorf_diff.cpp b/libc/test/src/math/differential_testing/floorf_diff.cpp
deleted file mode 100644
index 6d72927b5010c5..00000000000000
--- a/libc/test/src/math/differential_testing/floorf_diff.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for floorf---------------------------------------===//
-//
-// 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 "SingleInputSingleOutputDiff.h"
-
-#include "src/math/floorf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::floorf, ::floorf,
-                                "floorf_diff.log")
diff --git a/libc/test/src/math/differential_testing/fmod_diff.cpp b/libc/test/src/math/differential_testing/fmod_diff.cpp
deleted file mode 100644
index 026e529c6cae2a..00000000000000
--- a/libc/test/src/math/differential_testing/fmod_diff.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for fmod ----------------------------------------===//
-//
-// 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 "BinaryOpSingleOutputDiff.h"
-
-#include "src/math/fmod.h"
-
-#include <math.h>
-
-BINARY_OP_SINGLE_OUTPUT_DIFF(double, LIBC_NAMESPACE::fmod, ::fmod,
-                             "fmod_diff.log")
diff --git a/libc/test/src/math/differential_testing/fmodf_diff.cpp b/libc/test/src/math/differential_testing/fmodf_diff.cpp
deleted file mode 100644
index 7029b1ee42cd0e..00000000000000
--- a/libc/test/src/math/differential_testing/fmodf_diff.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for fmodf ---------------------------------------===//
-//
-// 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 "BinaryOpSingleOutputDiff.h"
-
-#include "src/math/fmodf.h"
-
-#include <math.h>
-
-BINARY_OP_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::fmodf, ::fmodf,
-                             "fmodf_diff.log")
diff --git a/libc/test/src/math/differential_testing/hypot_diff.cpp b/libc/test/src/math/differential_testing/hypot_diff.cpp
deleted file mode 100644
index c61e589bdb2dff..00000000000000
--- a/libc/test/src/math/differential_testing/hypot_diff.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for hypot ---------------------------------------===//
-//
-// 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 "BinaryOpSingleOutputDiff.h"
-
-#include "src/math/hypot.h"
-
-#include <math.h>
-
-BINARY_OP_SINGLE_OUTPUT_DIFF(double, LIBC_NAMESPACE::hypot, ::hypot,
-                             "hypot_diff.log")
diff --git a/libc/test/src/math/differential_testing/hypotf_diff.cpp b/libc/test/src/math/differential_testing/hypotf_diff.cpp
deleted file mode 100644
index d1c70fc2b6edbd..00000000000000
--- a/libc/test/src/math/differential_testing/hypotf_diff.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for hypotf --------------------------------------===//
-//
-// 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 "BinaryOpSingleOutputDiff.h"
-
-#include "src/math/hypotf.h"
-
-#include <math.h>
-
-BINARY_OP_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::hypotf, ::hypotf,
-                             "hypotf_diff.log")
diff --git a/libc/test/src/math/differential_testing/log2f_diff.cpp b/libc/test/src/math/differential_testing/log2f_diff.cpp
deleted file mode 100644
index aef431dce48701..00000000000000
--- a/libc/test/src/math/differential_testing/log2f_diff.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for log2f ---------------------------------------===//
-//
-// 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 "SingleInputSingleOutputDiff.h"
-
-#include "src/math/log2f.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::log2f, ::log2f,
-                                "log2f_diff.log")
diff --git a/libc/test/src/math/differential_testing/logbf_diff.cpp b/libc/test/src/math/differential_testing/logbf_diff.cpp
deleted file mode 100644
index 37441eb40a4dfa..00000000000000
--- a/libc/test/src/math/differential_testing/logbf_diff.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for logbf----------------------------------------===//
-//
-// 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 "SingleInputSingleOutputDiff.h"
-
-#include "src/math/logbf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::logbf, ::logbf,
-                                "logbf_diff.log")
diff --git a/libc/test/src/math/differential_testing/logf_diff.cpp b/libc/test/src/math/differential_testing/logf_diff.cpp
deleted file mode 100644
index 4ed1307f712081..00000000000000
--- a/libc/test/src/math/differential_testing/logf_diff.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for logf ----------------------------------------===//
-//
-// 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 "SingleInputSingleOutputDiff.h"
-
-#include "src/math/logf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::logf, ::logf,
-                                "logf_diff.log")
diff --git a/libc/test/src/math/differential_testing/nearbyintf_diff.cpp b/libc/test/src/math/differential_testing/nearbyintf_diff.cpp
deleted file mode 100644
index 14200116883db4..00000000000000
--- a/libc/test/src/math/differential_testing/nearbyintf_diff.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for nearbyintf-----------------------------------===//
-//
-// 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 "SingleInputSingleOutputDiff.h"
-
-#include "src/math/nearbyintf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::nearbyintf, ::nearbyintf,
-                                "nearbyintf_diff.log")
diff --git a/libc/test/src/math/differential_testing/rintf_diff.cpp b/libc/test/src/math/differential_testing/rintf_diff.cpp
deleted file mode 100644
index e60f66085e5d70..00000000000000
--- a/libc/test/src/math/differential_testing/rintf_diff.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for rintf----------------------------------------===//
-//
-// 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 "SingleInputSingleOutputDiff.h"
-
-#include "src/math/rintf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::rintf, ::rintf,
-                                "rintf_diff.log")
diff --git a/libc/test/src/math/differential_testing/roundf_diff.cpp b/libc/test/src/math/differential_testing/roundf_diff.cpp
deleted file mode 100644
index e1401a01af3574..00000000000000
--- a/libc/test/src/math/differential_testing/roundf_diff.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for roundf---------------------------------------===//
-//
-// 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 "SingleInputSingleOutputDiff.h"
-
-#include "src/math/roundf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::roundf, ::roundf,
-                                "roundf_diff.log")
diff --git a/libc/test/src/math/differential_testing/sinf_diff.cpp b/libc/test/src/math/differential_testing/sinf_diff.cpp
deleted file mode 100644
index cb4557e6796b55..00000000000000
--- a/libc/test/src/math/differential_testing/sinf_diff.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for sinf ----------------------------------------===//
-//
-// 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 "SingleInputSingleOutputDiff.h"
-
-#include "src/math/sinf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::sinf, ::sinf,
-                                "sinf_diff.log")
diff --git a/libc/test/src/math/differential_testing/sqrtf_diff.cpp b/libc/test/src/math/differential_testing/sqrtf_diff.cpp
deleted file mode 100644
index 22ddeaac9caf99..00000000000000
--- a/libc/test/src/math/differential_testing/sqrtf_diff.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for sqrtf----------------------------------------===//
-//
-// 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 "SingleInputSingleOutputDiff.h"
-
-#include "src/math/sqrtf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::sqrtf, ::sqrtf,
-                                "sqrtf_diff.log")
diff --git a/libc/test/src/math/differential_testing/truncf_diff.cpp b/libc/test/src/math/differential_testing/truncf_diff.cpp
deleted file mode 100644
index 7f6ac4e6a92694..00000000000000
--- a/libc/test/src/math/differential_testing/truncf_diff.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for truncf---------------------------------------===//
-//
-// 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 "SingleInputSingleOutputDiff.h"
-
-#include "src/math/truncf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::tru...
[truncated]