[libc-commits] [libc] [libc][complex] Set up headers and add documentation (PR #111659)

Shourya Goel via libc-commits libc-commits at lists.llvm.org
Sat Oct 12 00:25:58 PDT 2024


https://github.com/Sh0g0-1758 updated https://github.com/llvm/llvm-project/pull/111659

>From d9c3226ef2db2a2a9e63e93f79a6dacc65a9691f Mon Sep 17 00:00:00 2001
From: Sh0g0-1758 <shouryagoel10000 at gmail.com>
Date: Tue, 8 Oct 2024 00:29:47 +0530
Subject: [PATCH 01/15] init

---
 .../include/llvm-libc-macros/complex-macros.h | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 libc/include/llvm-libc-macros/complex-macros.h

diff --git a/libc/include/llvm-libc-macros/complex-macros.h b/libc/include/llvm-libc-macros/complex-macros.h
new file mode 100644
index 00000000000000..175ada6594e3b9
--- /dev/null
+++ b/libc/include/llvm-libc-macros/complex-macros.h
@@ -0,0 +1,21 @@
+//===-- Definition of macros to be used with complex functions ------------===//
+//
+// 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_MACROS_COMPLEX_MACROS_H
+#define __LLVM_LIBC_MACROS_COMPLEX_MACROS_H
+
+#ifndef __STDC_NO_COMPLEX__
+
+#define __STDC_VERSION_COMPLEX_H__ 202311L
+
+#define complex _Complex
+#define _Complex_I 1.0fi
+
+#endif
+
+#endif // __LLVM_LIBC_MACROS_COMPLEX_MACROS_H

>From 135b2ebc781d4c2ad613c51e0c17486732ef7681 Mon Sep 17 00:00:00 2001
From: Sh0g0-1758 <shouryagoel10000 at gmail.com>
Date: Wed, 9 Oct 2024 16:01:02 +0530
Subject: [PATCH 02/15] Libc: Complex init

---
 libc/docs/complex.rst                         | 65 +++++++++++++++++++
 libc/include/CMakeLists.txt                   | 10 +++
 libc/include/complex.h.def                    | 17 +++++
 libc/include/llvm-libc-macros/CMakeLists.txt  |  6 ++
 .../include/llvm-libc-macros/complex-macros.h | 11 +++-
 5 files changed, 108 insertions(+), 1 deletion(-)
 create mode 100644 libc/docs/complex.rst
 create mode 100644 libc/include/complex.h.def

diff --git a/libc/docs/complex.rst b/libc/docs/complex.rst
new file mode 100644
index 00000000000000..f56910067ef9a2
--- /dev/null
+++ b/libc/docs/complex.rst
@@ -0,0 +1,65 @@
+.. include:: check.rst
+
+=========
+complex.h
+=========
+
+Macros
+======
+
++-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
+| <Func>    | <Func_f> (float) | <Func> (double) | <Func_l> (long double) | C23 Definition Section | C23 Error Handling Section |
++===========+==================+=================+========================+========================+============================+
+| CMPLX     |                  |                 |                        | 7.3.9.3                | N/A                        |
++-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
+
+Functions
+=========
+
++-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
+| <Func>    | <Func_f> (float) | <Func> (double) | <Func_l> (long double) | C23 Definition Section | C23 Error Handling Section |
++===========+==================+=================+========================+========================+============================+
+| cacos     |                  |                 |                        | 7.3.5.1                | G.6.2.1                    |
++-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
+| casin     |                  |                 |                        | 7.3.5.2                | N/A                        |
++-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
+| catan     |                  |                 |                        | 7.3.5.3                | N/A                        |
++-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
+| ccos      |                  |                 |                        | 7.3.5.4                | N/A                        |
++-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
+| csin      |                  |                 |                        | 7.3.5.5                | N/A                        |
++-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
+| ctan      |                  |                 |                        | 7.3.5.6                | N/A                        |
++-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
+| cacosh    |                  |                 |                        | 7.3.6.1                | G.6.3.1                    |
++-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
+| casinh    |                  |                 |                        | 7.3.6.2                | G.6.3.2                    |
++-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
+| catanh    |                  |                 |                        | 7.3.6.3                | G.6.3.3                    |
++-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
+| ccosh     |                  |                 |                        | 7.3.6.4                | G.6.3.4                    |
++-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
+| csinh     |                  |                 |                        | 7.3.6.5                | G.6.3.5                    |
++-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
+| ctanh     |                  |                 |                        | 7.3.6.6                | G.6.3.6                    |
++-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
+| cexp      |                  |                 |                        | 7.3.7.1                | G.6.4.1                    |
++-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
+| clog      |                  |                 |                        | 7.3.7.2                | G.6.4.2                    |
++-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
+| cabs      |                  |                 |                        | 7.3.8.1                | N/A                        |
++-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
+| cpow      |                  |                 |                        | 7.3.8.2                | G.6.5.1                    |
++-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
+| csqrt     |                  |                 |                        | 7.3.8.3                | G.6.5.2                    |
++-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
+| carg      |                  |                 |                        | 7.3.9.1                | N/A                        |
++-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
+| cimag     |                  |                 |                        | 7.3.9.2                | N/A                        |
++-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
+| conj      |                  |                 |                        | 7.3.9.4                | N/A                        |
++-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
+| cproj     |                  |                 |                        | 7.3.9.5                | N/A                        |
++-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
+| creal     |                  |                 |                        | 7.3.9.6                | N/A                        |
++-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
diff --git a/libc/include/CMakeLists.txt b/libc/include/CMakeLists.txt
index 1f3cb59f69e96e..5deb5258d532fe 100644
--- a/libc/include/CMakeLists.txt
+++ b/libc/include/CMakeLists.txt
@@ -202,6 +202,16 @@ add_header_macro(
     .llvm-libc-macros.assert_macros
 )
 
+add_header_macro(
+  complex
+  ../libc/newhdrgen/yaml/complex.yaml
+  complex.h.def
+  complex.h
+  DEPENDS
+    .llvm_libc_common_h
+    .llvm-libc-macros.complex_macros
+)
+
 add_header_macro(
   setjmp
   ../libc/newhdrgen/yaml/setjmp.yaml
diff --git a/libc/include/complex.h.def b/libc/include/complex.h.def
new file mode 100644
index 00000000000000..65f5765573e840
--- /dev/null
+++ b/libc/include/complex.h.def
@@ -0,0 +1,17 @@
+//===-- C standard library header complex.h -------------------------------===//
+//
+// 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_COMPLEX_H
+#define LLVM_LIBC_COMPLEX_H
+
+#include "__llvm-libc-common.h"
+#include "llvm-libc-macros/complex-macros.h"
+
+%%public_api()
+
+#endif // LLVM_LIBC_COMPLEX_H
diff --git a/libc/include/llvm-libc-macros/CMakeLists.txt b/libc/include/llvm-libc-macros/CMakeLists.txt
index 2ba437c8437f28..75194923a452fb 100644
--- a/libc/include/llvm-libc-macros/CMakeLists.txt
+++ b/libc/include/llvm-libc-macros/CMakeLists.txt
@@ -61,6 +61,12 @@ add_macro_header(
     fcntl-macros.h
 )
 
+add_macro_header(
+  complex_macros
+  HDR
+    complex-macros.h
+)
+
 add_macro_header(
   features_macros
   HDR
diff --git a/libc/include/llvm-libc-macros/complex-macros.h b/libc/include/llvm-libc-macros/complex-macros.h
index 175ada6594e3b9..3c239a04f8a6ad 100644
--- a/libc/include/llvm-libc-macros/complex-macros.h
+++ b/libc/include/llvm-libc-macros/complex-macros.h
@@ -14,7 +14,16 @@
 #define __STDC_VERSION_COMPLEX_H__ 202311L
 
 #define complex _Complex
-#define _Complex_I 1.0fi
+#define _Complex_I (float _Complex)1.0fi
+
+#ifdef _Imaginary
+#define imaginary _Imaginary
+#define _Imaginary_I (float _Imaginary)1.0i
+
+#define I _Imaginary_I
+#else
+#define I _Complex_I
+#endif
 
 #endif
 

>From 4fc0e05d871ecf2021e299fe9bfbef153067832f Mon Sep 17 00:00:00 2001
From: Sh0g0-1758 <shouryagoel10000 at gmail.com>
Date: Wed, 9 Oct 2024 16:36:49 +0530
Subject: [PATCH 03/15] add _Imaginary type

---
 libc/include/CMakeLists.txt                 |  1 +
 libc/include/llvm-libc-types/CMakeLists.txt |  1 +
 libc/include/llvm-libc-types/_Imaginary.h   | 14 ++++++++++++++
 3 files changed, 16 insertions(+)
 create mode 100644 libc/include/llvm-libc-types/_Imaginary.h

diff --git a/libc/include/CMakeLists.txt b/libc/include/CMakeLists.txt
index 5deb5258d532fe..9a07445ec8b5b6 100644
--- a/libc/include/CMakeLists.txt
+++ b/libc/include/CMakeLists.txt
@@ -210,6 +210,7 @@ add_header_macro(
   DEPENDS
     .llvm_libc_common_h
     .llvm-libc-macros.complex_macros
+    .llvm-libc-types._Imaginary
 )
 
 add_header_macro(
diff --git a/libc/include/llvm-libc-types/CMakeLists.txt b/libc/include/llvm-libc-types/CMakeLists.txt
index a4cf4631c8470e..f0dadc99099c7d 100644
--- a/libc/include/llvm-libc-types/CMakeLists.txt
+++ b/libc/include/llvm-libc-types/CMakeLists.txt
@@ -17,6 +17,7 @@ add_header(__qsortrcompare_t HDR __qsortrcompare_t.h)
 add_header(__sighandler_t HDR __sighandler_t.h)
 add_header(__thread_type HDR __thread_type.h)
 add_header(blkcnt_t HDR blkcnt_t.h)
+add_header(_Imaginary HDR _Imaginary.h)
 add_header(blksize_t HDR blksize_t.h)
 add_header(cc_t HDR cc_t.h)
 add_header(clock_t HDR clock_t.h)
diff --git a/libc/include/llvm-libc-types/_Imaginary.h b/libc/include/llvm-libc-types/_Imaginary.h
new file mode 100644
index 00000000000000..ad51bc1d37b569
--- /dev/null
+++ b/libc/include/llvm-libc-types/_Imaginary.h
@@ -0,0 +1,14 @@
+//===-- Definition of _Imaginary type -------------------------------------===//
+//
+// 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_TYPES__Imaginary_H
+#define LLVM_LIBC_TYPES__Imaginary_H
+
+typedef /* TODO */ _Imaginary;
+
+#endif // LLVM_LIBC_TYPES__Imaginary_H

>From e4e2bb4673cc935ff1136026d1f792be391bef5c Mon Sep 17 00:00:00 2001
From: Sh0g0-1758 <shouryagoel10000 at gmail.com>
Date: Wed, 9 Oct 2024 16:42:20 +0530
Subject: [PATCH 04/15] fix doc

---
 libc/docs/index.rst | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libc/docs/index.rst b/libc/docs/index.rst
index d089a800ab90ab..6f759aa215b62c 100644
--- a/libc/docs/index.rst
+++ b/libc/docs/index.rst
@@ -73,6 +73,7 @@ stages there is no ABI stability in any form.
    libc_search
    c23
    ctype
+   complex
    signal
    threads
    setjmp

>From 9021b17d020817bd09af78fc8bf31b4233016f17 Mon Sep 17 00:00:00 2001
From: Sh0g0-1758 <shouryagoel10000 at gmail.com>
Date: Thu, 10 Oct 2024 00:03:01 +0530
Subject: [PATCH 05/15] Add F16 and F128

---
 libc/docs/complex.rst | 104 +++++++++++++++++++++---------------------
 1 file changed, 52 insertions(+), 52 deletions(-)

diff --git a/libc/docs/complex.rst b/libc/docs/complex.rst
index f56910067ef9a2..09fbdd7c6179ef 100644
--- a/libc/docs/complex.rst
+++ b/libc/docs/complex.rst
@@ -7,59 +7,59 @@ complex.h
 Macros
 ======
 
-+-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
-| <Func>    | <Func_f> (float) | <Func> (double) | <Func_l> (long double) | C23 Definition Section | C23 Error Handling Section |
-+===========+==================+=================+========================+========================+============================+
-| CMPLX     |                  |                 |                        | 7.3.9.3                | N/A                        |
-+-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
++-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
+| <Func>    | <Func_f> (float) | <Func> (double) | <Func_l> (long double) | <Func_f16> (float16) | <Func_f128> (float128) | C23 Definition Section | C23 Error Handling Section |
++===========+==================+=================+========================+======================+========================+========================+============================+
+| CMPLX     |                  |                 |                        |                      |                        | 7.3.9.3                | N/A                        |
++-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
 
 Functions
 =========
 
-+-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
-| <Func>    | <Func_f> (float) | <Func> (double) | <Func_l> (long double) | C23 Definition Section | C23 Error Handling Section |
-+===========+==================+=================+========================+========================+============================+
-| cacos     |                  |                 |                        | 7.3.5.1                | G.6.2.1                    |
-+-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
-| casin     |                  |                 |                        | 7.3.5.2                | N/A                        |
-+-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
-| catan     |                  |                 |                        | 7.3.5.3                | N/A                        |
-+-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
-| ccos      |                  |                 |                        | 7.3.5.4                | N/A                        |
-+-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
-| csin      |                  |                 |                        | 7.3.5.5                | N/A                        |
-+-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
-| ctan      |                  |                 |                        | 7.3.5.6                | N/A                        |
-+-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
-| cacosh    |                  |                 |                        | 7.3.6.1                | G.6.3.1                    |
-+-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
-| casinh    |                  |                 |                        | 7.3.6.2                | G.6.3.2                    |
-+-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
-| catanh    |                  |                 |                        | 7.3.6.3                | G.6.3.3                    |
-+-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
-| ccosh     |                  |                 |                        | 7.3.6.4                | G.6.3.4                    |
-+-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
-| csinh     |                  |                 |                        | 7.3.6.5                | G.6.3.5                    |
-+-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
-| ctanh     |                  |                 |                        | 7.3.6.6                | G.6.3.6                    |
-+-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
-| cexp      |                  |                 |                        | 7.3.7.1                | G.6.4.1                    |
-+-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
-| clog      |                  |                 |                        | 7.3.7.2                | G.6.4.2                    |
-+-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
-| cabs      |                  |                 |                        | 7.3.8.1                | N/A                        |
-+-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
-| cpow      |                  |                 |                        | 7.3.8.2                | G.6.5.1                    |
-+-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
-| csqrt     |                  |                 |                        | 7.3.8.3                | G.6.5.2                    |
-+-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
-| carg      |                  |                 |                        | 7.3.9.1                | N/A                        |
-+-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
-| cimag     |                  |                 |                        | 7.3.9.2                | N/A                        |
-+-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
-| conj      |                  |                 |                        | 7.3.9.4                | N/A                        |
-+-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
-| cproj     |                  |                 |                        | 7.3.9.5                | N/A                        |
-+-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
-| creal     |                  |                 |                        | 7.3.9.6                | N/A                        |
-+-----------+------------------+-----------------+------------------------+------------------------+----------------------------+
++-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
+| <Func>    | <Func_f> (float) | <Func> (double) | <Func_l> (long double) | <Func_f16> (float16) | <Func_f128> (float128) | C23 Definition Section | C23 Error Handling Section |
++===========+==================+=================+========================+======================+========================+========================+============================+
+| cacos     |                  |                 |                        |                      |                        | 7.3.5.1                | G.6.2.1                    |
++-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
+| casin     |                  |                 |                        |                      |                        | 7.3.5.2                | N/A                        |
++-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
+| catan     |                  |                 |                        |                      |                        | 7.3.5.3                | N/A                        |
++-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
+| ccos      |                  |                 |                        |                      |                        | 7.3.5.4                | N/A                        |
++-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
+| csin      |                  |                 |                        |                      |                        | 7.3.5.5                | N/A                        |
++-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
+| ctan      |                  |                 |                        |                      |                        | 7.3.5.6                | N/A                        |
++-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
+| cacosh    |                  |                 |                        |                      |                        | 7.3.6.1                | G.6.3.1                    |
++-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
+| casinh    |                  |                 |                        |                      |                        | 7.3.6.2                | G.6.3.2                    |
++-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
+| catanh    |                  |                 |                        |                      |                        | 7.3.6.3                | G.6.3.3                    |
++-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
+| ccosh     |                  |                 |                        |                      |                        | 7.3.6.4                | G.6.3.4                    |
++-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
+| csinh     |                  |                 |                        |                      |                        | 7.3.6.5                | G.6.3.5                    |
++-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
+| ctanh     |                  |                 |                        |                      |                        | 7.3.6.6                | G.6.3.6                    |
++-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
+| cexp      |                  |                 |                        |                      |                        | 7.3.7.1                | G.6.4.1                    |
++-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
+| clog      |                  |                 |                        |                      |                        | 7.3.7.2                | G.6.4.2                    |
++-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
+| cabs      |                  |                 |                        |                      |                        | 7.3.8.1                | N/A                        |
++-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
+| cpow      |                  |                 |                        |                      |                        | 7.3.8.2                | G.6.5.1                    |
++-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
+| csqrt     |                  |                 |                        |                      |                        | 7.3.8.3                | G.6.5.2                    |
++-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
+| carg      |                  |                 |                        |                      |                        | 7.3.9.1                | N/A                        |
++-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
+| cimag     |                  |                 |                        |                      |                        | 7.3.9.2                | N/A                        |
++-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
+| conj      |                  |                 |                        |                      |                        | 7.3.9.4                | N/A                        |
++-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
+| cproj     |                  |                 |                        |                      |                        | 7.3.9.5                | N/A                        |
++-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
+| creal     |                  |                 |                        |                      |                        | 7.3.9.6                | N/A                        |
++-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+

>From 3bac6b3c07522964c744184457f0e4b4ec11db50 Mon Sep 17 00:00:00 2001
From: Shourya Goel <shouryagoel10000 at gmail.com>
Date: Thu, 10 Oct 2024 20:03:57 +0530
Subject: [PATCH 06/15] Update complex-macros.h

---
 libc/include/llvm-libc-macros/complex-macros.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libc/include/llvm-libc-macros/complex-macros.h b/libc/include/llvm-libc-macros/complex-macros.h
index 3c239a04f8a6ad..962054aeb197e9 100644
--- a/libc/include/llvm-libc-macros/complex-macros.h
+++ b/libc/include/llvm-libc-macros/complex-macros.h
@@ -14,11 +14,11 @@
 #define __STDC_VERSION_COMPLEX_H__ 202311L
 
 #define complex _Complex
-#define _Complex_I (float _Complex)1.0fi
+#define _Complex_I ((float _Complex)1.0fi)
 
 #ifdef _Imaginary
 #define imaginary _Imaginary
-#define _Imaginary_I (float _Imaginary)1.0i
+#define _Imaginary_I ((float _Imaginary)1.0i)
 
 #define I _Imaginary_I
 #else

>From 33c4e0206d64788873157438742de125a5db2bd1 Mon Sep 17 00:00:00 2001
From: Shourya Goel <shouryagoel10000 at gmail.com>
Date: Thu, 10 Oct 2024 20:25:57 +0530
Subject: [PATCH 07/15] Update _Imaginary.h

---
 libc/include/llvm-libc-types/_Imaginary.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libc/include/llvm-libc-types/_Imaginary.h b/libc/include/llvm-libc-types/_Imaginary.h
index ad51bc1d37b569..0b2c17f79d2e6c 100644
--- a/libc/include/llvm-libc-types/_Imaginary.h
+++ b/libc/include/llvm-libc-types/_Imaginary.h
@@ -9,6 +9,7 @@
 #ifndef LLVM_LIBC_TYPES__Imaginary_H
 #define LLVM_LIBC_TYPES__Imaginary_H
 
-typedef /* TODO */ _Imaginary;
+// TODO: Define the _Imaginary type once clang or gcc supports it. 
+// typedef _Imaginary;
 
 #endif // LLVM_LIBC_TYPES__Imaginary_H

>From 1ceaffb53ee2fc891f6f12538cc5708979e40717 Mon Sep 17 00:00:00 2001
From: Sh0g0-1758 <shouryagoel10000 at gmail.com>
Date: Thu, 10 Oct 2024 20:28:33 +0530
Subject: [PATCH 08/15] remove _Imaginary

---
 libc/include/CMakeLists.txt               |  1 -
 libc/include/llvm-libc-types/_Imaginary.h | 15 ---------------
 2 files changed, 16 deletions(-)
 delete mode 100644 libc/include/llvm-libc-types/_Imaginary.h

diff --git a/libc/include/CMakeLists.txt b/libc/include/CMakeLists.txt
index 9a07445ec8b5b6..5deb5258d532fe 100644
--- a/libc/include/CMakeLists.txt
+++ b/libc/include/CMakeLists.txt
@@ -210,7 +210,6 @@ add_header_macro(
   DEPENDS
     .llvm_libc_common_h
     .llvm-libc-macros.complex_macros
-    .llvm-libc-types._Imaginary
 )
 
 add_header_macro(
diff --git a/libc/include/llvm-libc-types/_Imaginary.h b/libc/include/llvm-libc-types/_Imaginary.h
deleted file mode 100644
index 0b2c17f79d2e6c..00000000000000
--- a/libc/include/llvm-libc-types/_Imaginary.h
+++ /dev/null
@@ -1,15 +0,0 @@
-//===-- Definition of _Imaginary type -------------------------------------===//
-//
-// 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_TYPES__Imaginary_H
-#define LLVM_LIBC_TYPES__Imaginary_H
-
-// TODO: Define the _Imaginary type once clang or gcc supports it. 
-// typedef _Imaginary;
-
-#endif // LLVM_LIBC_TYPES__Imaginary_H

>From f5027c2454efea17fd1da76e28badc79e40fef6c Mon Sep 17 00:00:00 2001
From: Sh0g0-1758 <shouryagoel10000 at gmail.com>
Date: Thu, 10 Oct 2024 22:26:18 +0530
Subject: [PATCH 09/15] Add tests

---
 .../include/llvm-libc-macros/complex-macros.h | 10 ++-------
 libc/test/UnitTest/LibcTest.cpp               |  4 ++++
 libc/test/include/CMakeLists.txt              | 10 +++++++++
 libc/test/include/complex_test.cpp            | 22 +++++++++++++++++++
 4 files changed, 38 insertions(+), 8 deletions(-)
 create mode 100644 libc/test/include/complex_test.cpp

diff --git a/libc/include/llvm-libc-macros/complex-macros.h b/libc/include/llvm-libc-macros/complex-macros.h
index 962054aeb197e9..b2833bf09d3edc 100644
--- a/libc/include/llvm-libc-macros/complex-macros.h
+++ b/libc/include/llvm-libc-macros/complex-macros.h
@@ -15,15 +15,9 @@
 
 #define complex _Complex
 #define _Complex_I ((float _Complex)1.0fi)
-
-#ifdef _Imaginary
-#define imaginary _Imaginary
-#define _Imaginary_I ((float _Imaginary)1.0i)
-
-#define I _Imaginary_I
-#else
 #define I _Complex_I
-#endif
+
+// TODO: Add imaginary macros once GCC or Clang support them.
 
 #endif
 
diff --git a/libc/test/UnitTest/LibcTest.cpp b/libc/test/UnitTest/LibcTest.cpp
index ad5722f99a4369..8bbe1fe0abed7d 100644
--- a/libc/test/UnitTest/LibcTest.cpp
+++ b/libc/test/UnitTest/LibcTest.cpp
@@ -232,6 +232,10 @@ TEST_SPECIALIZATION(unsigned long long);
 
 TEST_SPECIALIZATION(bool);
 
+TEST_SPECIALIZATION(float _Complex);
+TEST_SPECIALIZATION(double _Complex);
+TEST_SPECIALIZATION(long double _Complex);
+
 // We cannot just use a single UInt128 specialization as that resolves to only
 // one type, UInt<128> or __uint128_t. We want both overloads as we want to
 #ifdef LIBC_TYPES_HAS_INT128
diff --git a/libc/test/include/CMakeLists.txt b/libc/test/include/CMakeLists.txt
index dd8f21bdd07aeb..05646a3c8c28c8 100644
--- a/libc/test/include/CMakeLists.txt
+++ b/libc/test/include/CMakeLists.txt
@@ -11,6 +11,16 @@ add_libc_test(
     libc.include.llvm-libc-macros.assert_macros
 )
 
+add_libc_test(
+  complex_test
+  SUITE
+    libc_include_tests
+  SRCS
+    complex_test.cpp
+  DEPENDS
+    libc.include.llvm-libc-macros.complex_macros
+)
+
 add_libc_test(
   sys_queue_test
   SUITE
diff --git a/libc/test/include/complex_test.cpp b/libc/test/include/complex_test.cpp
new file mode 100644
index 00000000000000..ec4547a66c0313
--- /dev/null
+++ b/libc/test/include/complex_test.cpp
@@ -0,0 +1,22 @@
+//===-- Unittests for complex ---------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDSList-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "include/llvm-libc-macros/complex-macros.h"
+#include "test/UnitTest/Test.h"
+
+TEST(LlvmLibcComplexTest, VersionMacro) {
+  EXPECT_EQ(__STDC_VERSION_COMPLEX_H__, 202311L);
+}
+
+TEST(LlvmLibcComplexTest, IMacro) {
+  EXPECT_EQ(I, 1.0fi);
+}
+
+TEST(LlvmLibcComplexTest, _Complex_IMacro) {
+  EXPECT_EQ(_Complex_I, 1.0fi);
+}

>From 7967075ccc1efd5d30a03e3ae2761501ed767f65 Mon Sep 17 00:00:00 2001
From: Sh0g0-1758 <shouryagoel10000 at gmail.com>
Date: Thu, 10 Oct 2024 23:28:10 +0530
Subject: [PATCH 10/15] Add FpBits

---
 libc/test/include/complex_test.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/libc/test/include/complex_test.cpp b/libc/test/include/complex_test.cpp
index ec4547a66c0313..6933a19ff6f239 100644
--- a/libc/test/include/complex_test.cpp
+++ b/libc/test/include/complex_test.cpp
@@ -7,6 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "include/llvm-libc-macros/complex-macros.h"
+#include "test/UnitTest/FPMatcher.h"
 #include "test/UnitTest/Test.h"
 
 TEST(LlvmLibcComplexTest, VersionMacro) {
@@ -14,9 +15,9 @@ TEST(LlvmLibcComplexTest, VersionMacro) {
 }
 
 TEST(LlvmLibcComplexTest, IMacro) {
-  EXPECT_EQ(I, 1.0fi);
+  EXPECT_FP_EQ(I, 1.0fi);
 }
 
 TEST(LlvmLibcComplexTest, _Complex_IMacro) {
-  EXPECT_EQ(_Complex_I, 1.0fi);
+  EXPECT_FP_EQ(_Complex_I, 1.0fi);
 }

>From 9c61d3acc422d6519ed6086382278334f0e1a24a Mon Sep 17 00:00:00 2001
From: Sh0g0-1758 <shouryagoel10000 at gmail.com>
Date: Thu, 10 Oct 2024 23:29:06 +0530
Subject: [PATCH 11/15] fmt

---
 libc/test/include/complex_test.cpp | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/libc/test/include/complex_test.cpp b/libc/test/include/complex_test.cpp
index 6933a19ff6f239..906ac53eb70a1e 100644
--- a/libc/test/include/complex_test.cpp
+++ b/libc/test/include/complex_test.cpp
@@ -14,10 +14,6 @@ TEST(LlvmLibcComplexTest, VersionMacro) {
   EXPECT_EQ(__STDC_VERSION_COMPLEX_H__, 202311L);
 }
 
-TEST(LlvmLibcComplexTest, IMacro) {
-  EXPECT_FP_EQ(I, 1.0fi);
-}
+TEST(LlvmLibcComplexTest, IMacro) { EXPECT_FP_EQ(I, 1.0fi); }
 
-TEST(LlvmLibcComplexTest, _Complex_IMacro) {
-  EXPECT_FP_EQ(_Complex_I, 1.0fi);
-}
+TEST(LlvmLibcComplexTest, _Complex_IMacro) { EXPECT_FP_EQ(_Complex_I, 1.0fi); }

>From f19dcbce2a70a78c2a71244b39939e103dadba88 Mon Sep 17 00:00:00 2001
From: Sh0g0-1758 <shouryagoel10000 at gmail.com>
Date: Sat, 12 Oct 2024 10:22:09 +0530
Subject: [PATCH 12/15] Added iscomplex type

---
 .../modules/LLVMLibCCompileOptionRules.cmake  |  4 ++
 .../include/llvm-libc-macros/complex-macros.h |  2 +-
 libc/src/__support/CPP/type_traits.h          |  1 +
 .../__support/CPP/type_traits/is_complex.h    | 39 +++++++++++++++++++
 libc/src/__support/FPUtil/FPBits.h            |  2 +-
 libc/test/UnitTest/FPMatcher.h                |  4 +-
 libc/test/UnitTest/LibcTest.cpp               |  4 --
 libc/test/include/complex_test.cpp            |  4 +-
 8 files changed, 50 insertions(+), 10 deletions(-)
 create mode 100644 libc/src/__support/CPP/type_traits/is_complex.h

diff --git a/libc/cmake/modules/LLVMLibCCompileOptionRules.cmake b/libc/cmake/modules/LLVMLibCCompileOptionRules.cmake
index 8643c9bb48ad41..6af6faba27eb70 100644
--- a/libc/cmake/modules/LLVMLibCCompileOptionRules.cmake
+++ b/libc/cmake/modules/LLVMLibCCompileOptionRules.cmake
@@ -152,6 +152,8 @@ function(_get_common_compile_options output_var flags)
     endif()
     list(APPEND compile_options "-Wconversion")
     list(APPEND compile_options "-Wno-sign-conversion")
+    list(APPEND compile_options "-Wno-c99-extensions")
+    list(APPEND compile_options "-Wno-pedantic")
     list(APPEND compile_options "-Wimplicit-fallthrough")
     list(APPEND compile_options "-Wwrite-strings")
     list(APPEND compile_options "-Wextra-semi")
@@ -227,6 +229,8 @@ function(_get_common_test_compile_options output_var c_test flags)
     # list(APPEND compile_options "-Wimplicit-fallthrough")
     # list(APPEND compile_options "-Wwrite-strings")
     # list(APPEND compile_options "-Wextra-semi")
+    list(APPEND compile_options "-Wno-c99-extensions")
+    list(APPEND compile_options "-Wno-pedantic")
     # if(NOT CMAKE_COMPILER_IS_GNUCXX)
     #   list(APPEND compile_options "-Wnewline-eof")
     #   list(APPEND compile_options "-Wnonportable-system-include-path")
diff --git a/libc/include/llvm-libc-macros/complex-macros.h b/libc/include/llvm-libc-macros/complex-macros.h
index b2833bf09d3edc..a4ad53b2f2b2ea 100644
--- a/libc/include/llvm-libc-macros/complex-macros.h
+++ b/libc/include/llvm-libc-macros/complex-macros.h
@@ -14,7 +14,7 @@
 #define __STDC_VERSION_COMPLEX_H__ 202311L
 
 #define complex _Complex
-#define _Complex_I ((float _Complex)1.0fi)
+#define _Complex_I ((_Complex float)1.0fi)
 #define I _Complex_I
 
 // TODO: Add imaginary macros once GCC or Clang support them.
diff --git a/libc/src/__support/CPP/type_traits.h b/libc/src/__support/CPP/type_traits.h
index d50b6612656dbb..fe8003a5c4b490 100644
--- a/libc/src/__support/CPP/type_traits.h
+++ b/libc/src/__support/CPP/type_traits.h
@@ -32,6 +32,7 @@
 #include "src/__support/CPP/type_traits/is_enum.h"
 #include "src/__support/CPP/type_traits/is_fixed_point.h"
 #include "src/__support/CPP/type_traits/is_floating_point.h"
+#include "src/__support/CPP/type_traits/is_complex.h"
 #include "src/__support/CPP/type_traits/is_function.h"
 #include "src/__support/CPP/type_traits/is_integral.h"
 #include "src/__support/CPP/type_traits/is_lvalue_reference.h"
diff --git a/libc/src/__support/CPP/type_traits/is_complex.h b/libc/src/__support/CPP/type_traits/is_complex.h
new file mode 100644
index 00000000000000..04a24e14bce451
--- /dev/null
+++ b/libc/src/__support/CPP/type_traits/is_complex.h
@@ -0,0 +1,39 @@
+//===-- is_complex type_traits ---------------------------*- 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___SUPPORT_CPP_TYPE_TRAITS_IS_COMPLEX_H
+#define LLVM_LIBC_SRC___SUPPORT_CPP_TYPE_TRAITS_IS_COMPLEX_H
+
+#include "src/__support/CPP/type_traits/is_same.h"
+#include "src/__support/CPP/type_traits/remove_cv.h"
+#include "src/__support/macros/attributes.h"
+#include "src/__support/macros/config.h"
+#include "src/__support/macros/properties/types.h" // LIBC_TYPES_HAS_FLOAT128
+
+namespace LIBC_NAMESPACE_DECL {
+namespace cpp {
+
+// is_complex
+template <typename T> struct is_complex {
+private:
+  template <typename Head, typename... Args>
+  LIBC_INLINE_VAR static constexpr bool __is_unqualified_any_of() {
+    return (... || is_same_v<remove_cv_t<Head>, Args>);
+  }
+
+public:
+  LIBC_INLINE_VAR static constexpr bool value =
+      __is_unqualified_any_of<T, _Complex float, _Complex double, _Complex long double>();
+};
+template <typename T>
+LIBC_INLINE_VAR constexpr bool is_complex_v =
+    is_complex<T>::value;
+
+} // namespace cpp
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC___SUPPORT_CPP_TYPE_TRAITS_IS_COMPLEX_H
diff --git a/libc/src/__support/FPUtil/FPBits.h b/libc/src/__support/FPUtil/FPBits.h
index 5d1f633bb56ee4..99510f64c014f4 100644
--- a/libc/src/__support/FPUtil/FPBits.h
+++ b/libc/src/__support/FPUtil/FPBits.h
@@ -799,7 +799,7 @@ template <typename T> LIBC_INLINE static constexpr FPType get_fp_type() {
 // It derives its functionality to FPRepImpl above.
 template <typename T>
 struct FPBits final : public internal::FPRepImpl<get_fp_type<T>(), FPBits<T>> {
-  static_assert(cpp::is_floating_point_v<T>,
+  static_assert(cpp::is_floating_point_v<T> || cpp::is_complex_v<T>,
                 "FPBits instantiated with invalid type.");
   using UP = internal::FPRepImpl<get_fp_type<T>(), FPBits<T>>;
   using StorageType = typename UP::StorageType;
diff --git a/libc/test/UnitTest/FPMatcher.h b/libc/test/UnitTest/FPMatcher.h
index 3cf0b04952ec07..a266b63795b4e3 100644
--- a/libc/test/UnitTest/FPMatcher.h
+++ b/libc/test/UnitTest/FPMatcher.h
@@ -27,8 +27,8 @@ namespace LIBC_NAMESPACE_DECL {
 namespace testing {
 
 template <typename T, TestCond Condition> class FPMatcher : public Matcher<T> {
-  static_assert(cpp::is_floating_point_v<T>,
-                "FPMatcher can only be used with floating point values.");
+  static_assert(cpp::is_floating_point_v<T> || cpp::is_complex_v<T>,
+                "FPMatcher can only be used with floating point or complex floating point values.");
   static_assert(Condition == TestCond::EQ || Condition == TestCond::NE,
                 "Unsupported FPMatcher test condition.");
 
diff --git a/libc/test/UnitTest/LibcTest.cpp b/libc/test/UnitTest/LibcTest.cpp
index 8bbe1fe0abed7d..ad5722f99a4369 100644
--- a/libc/test/UnitTest/LibcTest.cpp
+++ b/libc/test/UnitTest/LibcTest.cpp
@@ -232,10 +232,6 @@ TEST_SPECIALIZATION(unsigned long long);
 
 TEST_SPECIALIZATION(bool);
 
-TEST_SPECIALIZATION(float _Complex);
-TEST_SPECIALIZATION(double _Complex);
-TEST_SPECIALIZATION(long double _Complex);
-
 // We cannot just use a single UInt128 specialization as that resolves to only
 // one type, UInt<128> or __uint128_t. We want both overloads as we want to
 #ifdef LIBC_TYPES_HAS_INT128
diff --git a/libc/test/include/complex_test.cpp b/libc/test/include/complex_test.cpp
index 906ac53eb70a1e..9c13ad06d11938 100644
--- a/libc/test/include/complex_test.cpp
+++ b/libc/test/include/complex_test.cpp
@@ -14,6 +14,6 @@ TEST(LlvmLibcComplexTest, VersionMacro) {
   EXPECT_EQ(__STDC_VERSION_COMPLEX_H__, 202311L);
 }
 
-TEST(LlvmLibcComplexTest, IMacro) { EXPECT_FP_EQ(I, 1.0fi); }
+TEST(LlvmLibcComplexTest, IMacro) { EXPECT_FP_EQ(1.0fi, I); }
 
-TEST(LlvmLibcComplexTest, _Complex_IMacro) { EXPECT_FP_EQ(_Complex_I, 1.0fi); }
+TEST(LlvmLibcComplexTest, _Complex_IMacro) { EXPECT_FP_EQ(1.0fi, _Complex_I); }

>From 4433861e51c1ad9b3b563483656ac77ba310e107 Mon Sep 17 00:00:00 2001
From: Sh0g0-1758 <shouryagoel10000 at gmail.com>
Date: Sat, 12 Oct 2024 12:52:39 +0530
Subject: [PATCH 13/15] Added CFPMatcher

---
 libc/test/UnitTest/FPMatcher.h     | 79 +++++++++++++++++++++++++++++-
 libc/test/include/complex_test.cpp |  4 +-
 2 files changed, 79 insertions(+), 4 deletions(-)

diff --git a/libc/test/UnitTest/FPMatcher.h b/libc/test/UnitTest/FPMatcher.h
index a266b63795b4e3..d711e5a76e3285 100644
--- a/libc/test/UnitTest/FPMatcher.h
+++ b/libc/test/UnitTest/FPMatcher.h
@@ -27,8 +27,8 @@ namespace LIBC_NAMESPACE_DECL {
 namespace testing {
 
 template <typename T, TestCond Condition> class FPMatcher : public Matcher<T> {
-  static_assert(cpp::is_floating_point_v<T> || cpp::is_complex_v<T>,
-                "FPMatcher can only be used with floating point or complex floating point values.");
+  static_assert(cpp::is_floating_point_v<T>,
+                "FPMatcher can only be used with floating point values.");
   static_assert(Condition == TestCond::EQ || Condition == TestCond::NE,
                 "Unsupported FPMatcher test condition.");
 
@@ -60,10 +60,81 @@ template <typename T, TestCond Condition> class FPMatcher : public Matcher<T> {
   }
 };
 
+template <typename T, TestCond Condition> class CFPMatcher : public Matcher<T> {
+  static_assert(cpp::is_complex_v<T>,
+                "CFPMatcher can only be used with complex floating point values.");
+  static_assert(Condition == TestCond::EQ || Condition == TestCond::NE,
+                "Unsupported CFPMatcher test condition.");
+
+  T expected;
+  T actual;
+
+public:
+  CFPMatcher(T expectedValue) : expected(expectedValue) {}
+
+  template <typename CFT>
+  bool matchComplex() {
+    CFT* actualCmplxPtr = reinterpret_cast<CFT*>(&actual);
+    CFT* expectedCmplxPtr = reinterpret_cast<CFT*>(&expected);
+    CFT actualReal = actualCmplxPtr[0];
+    CFT actualImag = actualCmplxPtr[1];
+    CFT expectedReal = expectedCmplxPtr[0];
+    CFT expectedImag = expectedCmplxPtr[1];
+    fputil::FPBits<CFT> actualRealBits(actualReal), expectedRealBits(expectedReal);
+    fputil::FPBits<CFT> actualImagBits(actualImag), expectedImagBits(expectedImag);
+    if (Condition == TestCond::EQ)
+      return ((actualRealBits.is_nan() && expectedRealBits.is_nan()) ||
+             (actualRealBits.uintval() == expectedRealBits.uintval())) &&
+             ((actualImagBits.is_nan() && expectedImagBits.is_nan()) ||
+              (actualImagBits.uintval() == expectedImagBits.uintval()));
+    
+    // If condition == TestCond::NE.
+    if (actualRealBits.is_nan() && expectedRealBits.is_nan())
+      return !expectedRealBits.is_nan() && !expectedImagBits.is_nan();
+    if (actualRealBits.is_nan())
+      return !expectedRealBits.is_nan();
+    if (actualImagBits.is_nan())
+      return !expectedImagBits.is_nan();
+    return (expectedRealBits.is_nan() || actualRealBits.uintval() != expectedRealBits.uintval()) &&
+           (expectedImagBits.is_nan() || actualImagBits.uintval() != expectedImagBits.uintval());
+  }
+
+  template <typename CFT>
+  void explainErrorComplex() {
+    CFT* actualCmplxPtr = reinterpret_cast<CFT*>(&actual);
+    CFT* expectedCmplxPtr = reinterpret_cast<CFT*>(&expected);
+    CFT actualReal = actualCmplxPtr[0];
+    CFT actualImag = actualCmplxPtr[1];
+    CFT expectedReal = expectedCmplxPtr[0];
+    CFT expectedImag = expectedCmplxPtr[1];
+    tlog << "Expected complex floating point value: "
+        << str(fputil::FPBits<CFT>(expectedReal)) + " + " + str(fputil::FPBits<CFT>(expectedImag)) + "i" << '\n';
+    tlog << "Actual complex floating point value: "
+        << str(fputil::FPBits<CFT>(actualReal)) + " + " + str(fputil::FPBits<CFT>(actualImag)) + "i" << '\n';
+  }
+
+  bool match(T actualValue) {
+    actual = actualValue;
+    if (sizeof(T) == 2 * sizeof(float)) return matchComplex<float>();
+    else if (sizeof(T) == 2 * sizeof(double)) return matchComplex<double>();
+    else if (sizeof(T) == 2 * sizeof(long double)) return matchComplex<long double>();
+  }
+
+  void explainError() override {
+    if (sizeof(T) == 2 * sizeof(float)) explainErrorComplex<float>();
+    else if (sizeof(T) == 2 * sizeof(double)) explainErrorComplex<double>();
+    else if (sizeof(T) == 2 * sizeof(long double)) explainErrorComplex<long double>();
+  }
+};
+
 template <TestCond C, typename T> FPMatcher<T, C> getMatcher(T expectedValue) {
   return FPMatcher<T, C>(expectedValue);
 }
 
+template <TestCond C, typename T> CFPMatcher<T, C> getMatcherComplex(T expectedValue) {
+  return CFPMatcher<T, C>(expectedValue);
+}
+
 template <typename T> struct FPTest : public Test {
   using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;
   using StorageType = typename FPBits::StorageType;
@@ -125,6 +196,10 @@ template <typename T> struct FPTest : public Test {
   EXPECT_THAT(actual, LIBC_NAMESPACE::testing::getMatcher<                     \
                           LIBC_NAMESPACE::testing::TestCond::EQ>(expected))
 
+#define EXPECT_CFP_EQ(expected, actual)                                        \
+  EXPECT_THAT(actual, LIBC_NAMESPACE::testing::getMatcherComplex<              \
+                          LIBC_NAMESPACE::testing::TestCond::EQ>(expected))
+
 #define TEST_FP_EQ(expected, actual)                                           \
   LIBC_NAMESPACE::testing::getMatcher<LIBC_NAMESPACE::testing::TestCond::EQ>(  \
       expected)                                                                \
diff --git a/libc/test/include/complex_test.cpp b/libc/test/include/complex_test.cpp
index 9c13ad06d11938..f6bfe997d98dd1 100644
--- a/libc/test/include/complex_test.cpp
+++ b/libc/test/include/complex_test.cpp
@@ -14,6 +14,6 @@ TEST(LlvmLibcComplexTest, VersionMacro) {
   EXPECT_EQ(__STDC_VERSION_COMPLEX_H__, 202311L);
 }
 
-TEST(LlvmLibcComplexTest, IMacro) { EXPECT_FP_EQ(1.0fi, I); }
+TEST(LlvmLibcComplexTest, IMacro) { EXPECT_CFP_EQ(1.0fi, I); }
 
-TEST(LlvmLibcComplexTest, _Complex_IMacro) { EXPECT_FP_EQ(1.0fi, _Complex_I); }
+TEST(LlvmLibcComplexTest, _Complex_IMacro) { EXPECT_CFP_EQ(1.0fi, _Complex_I); }

>From af6ce5e0a8d45997fd2eda105ee3fbff43e39b8b Mon Sep 17 00:00:00 2001
From: Sh0g0-1758 <shouryagoel10000 at gmail.com>
Date: Sat, 12 Oct 2024 12:53:27 +0530
Subject: [PATCH 14/15] fmt

---
 libc/src/__support/CPP/type_traits.h          |  2 +-
 .../__support/CPP/type_traits/is_complex.h    |  6 +-
 libc/test/UnitTest/FPMatcher.h                | 64 +++++++++++--------
 3 files changed, 43 insertions(+), 29 deletions(-)

diff --git a/libc/src/__support/CPP/type_traits.h b/libc/src/__support/CPP/type_traits.h
index fe8003a5c4b490..cef4e5d1f0b139 100644
--- a/libc/src/__support/CPP/type_traits.h
+++ b/libc/src/__support/CPP/type_traits.h
@@ -25,6 +25,7 @@
 #include "src/__support/CPP/type_traits/is_array.h"
 #include "src/__support/CPP/type_traits/is_base_of.h"
 #include "src/__support/CPP/type_traits/is_class.h"
+#include "src/__support/CPP/type_traits/is_complex.h"
 #include "src/__support/CPP/type_traits/is_const.h"
 #include "src/__support/CPP/type_traits/is_constant_evaluated.h"
 #include "src/__support/CPP/type_traits/is_convertible.h"
@@ -32,7 +33,6 @@
 #include "src/__support/CPP/type_traits/is_enum.h"
 #include "src/__support/CPP/type_traits/is_fixed_point.h"
 #include "src/__support/CPP/type_traits/is_floating_point.h"
-#include "src/__support/CPP/type_traits/is_complex.h"
 #include "src/__support/CPP/type_traits/is_function.h"
 #include "src/__support/CPP/type_traits/is_integral.h"
 #include "src/__support/CPP/type_traits/is_lvalue_reference.h"
diff --git a/libc/src/__support/CPP/type_traits/is_complex.h b/libc/src/__support/CPP/type_traits/is_complex.h
index 04a24e14bce451..4ae17d38d8a405 100644
--- a/libc/src/__support/CPP/type_traits/is_complex.h
+++ b/libc/src/__support/CPP/type_traits/is_complex.h
@@ -27,11 +27,11 @@ template <typename T> struct is_complex {
 
 public:
   LIBC_INLINE_VAR static constexpr bool value =
-      __is_unqualified_any_of<T, _Complex float, _Complex double, _Complex long double>();
+      __is_unqualified_any_of<T, _Complex float, _Complex double,
+                              _Complex long double>();
 };
 template <typename T>
-LIBC_INLINE_VAR constexpr bool is_complex_v =
-    is_complex<T>::value;
+LIBC_INLINE_VAR constexpr bool is_complex_v = is_complex<T>::value;
 
 } // namespace cpp
 } // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/test/UnitTest/FPMatcher.h b/libc/test/UnitTest/FPMatcher.h
index d711e5a76e3285..8c9978ded23188 100644
--- a/libc/test/UnitTest/FPMatcher.h
+++ b/libc/test/UnitTest/FPMatcher.h
@@ -61,8 +61,9 @@ template <typename T, TestCond Condition> class FPMatcher : public Matcher<T> {
 };
 
 template <typename T, TestCond Condition> class CFPMatcher : public Matcher<T> {
-  static_assert(cpp::is_complex_v<T>,
-                "CFPMatcher can only be used with complex floating point values.");
+  static_assert(
+      cpp::is_complex_v<T>,
+      "CFPMatcher can only be used with complex floating point values.");
   static_assert(Condition == TestCond::EQ || Condition == TestCond::NE,
                 "Unsupported CFPMatcher test condition.");
 
@@ -72,22 +73,23 @@ template <typename T, TestCond Condition> class CFPMatcher : public Matcher<T> {
 public:
   CFPMatcher(T expectedValue) : expected(expectedValue) {}
 
-  template <typename CFT>
-  bool matchComplex() {
-    CFT* actualCmplxPtr = reinterpret_cast<CFT*>(&actual);
-    CFT* expectedCmplxPtr = reinterpret_cast<CFT*>(&expected);
+  template <typename CFT> bool matchComplex() {
+    CFT *actualCmplxPtr = reinterpret_cast<CFT *>(&actual);
+    CFT *expectedCmplxPtr = reinterpret_cast<CFT *>(&expected);
     CFT actualReal = actualCmplxPtr[0];
     CFT actualImag = actualCmplxPtr[1];
     CFT expectedReal = expectedCmplxPtr[0];
     CFT expectedImag = expectedCmplxPtr[1];
-    fputil::FPBits<CFT> actualRealBits(actualReal), expectedRealBits(expectedReal);
-    fputil::FPBits<CFT> actualImagBits(actualImag), expectedImagBits(expectedImag);
+    fputil::FPBits<CFT> actualRealBits(actualReal),
+        expectedRealBits(expectedReal);
+    fputil::FPBits<CFT> actualImagBits(actualImag),
+        expectedImagBits(expectedImag);
     if (Condition == TestCond::EQ)
       return ((actualRealBits.is_nan() && expectedRealBits.is_nan()) ||
-             (actualRealBits.uintval() == expectedRealBits.uintval())) &&
+              (actualRealBits.uintval() == expectedRealBits.uintval())) &&
              ((actualImagBits.is_nan() && expectedImagBits.is_nan()) ||
               (actualImagBits.uintval() == expectedImagBits.uintval()));
-    
+
     // If condition == TestCond::NE.
     if (actualRealBits.is_nan() && expectedRealBits.is_nan())
       return !expectedRealBits.is_nan() && !expectedImagBits.is_nan();
@@ -95,35 +97,46 @@ template <typename T, TestCond Condition> class CFPMatcher : public Matcher<T> {
       return !expectedRealBits.is_nan();
     if (actualImagBits.is_nan())
       return !expectedImagBits.is_nan();
-    return (expectedRealBits.is_nan() || actualRealBits.uintval() != expectedRealBits.uintval()) &&
-           (expectedImagBits.is_nan() || actualImagBits.uintval() != expectedImagBits.uintval());
+    return (expectedRealBits.is_nan() ||
+            actualRealBits.uintval() != expectedRealBits.uintval()) &&
+           (expectedImagBits.is_nan() ||
+            actualImagBits.uintval() != expectedImagBits.uintval());
   }
 
-  template <typename CFT>
-  void explainErrorComplex() {
-    CFT* actualCmplxPtr = reinterpret_cast<CFT*>(&actual);
-    CFT* expectedCmplxPtr = reinterpret_cast<CFT*>(&expected);
+  template <typename CFT> void explainErrorComplex() {
+    CFT *actualCmplxPtr = reinterpret_cast<CFT *>(&actual);
+    CFT *expectedCmplxPtr = reinterpret_cast<CFT *>(&expected);
     CFT actualReal = actualCmplxPtr[0];
     CFT actualImag = actualCmplxPtr[1];
     CFT expectedReal = expectedCmplxPtr[0];
     CFT expectedImag = expectedCmplxPtr[1];
     tlog << "Expected complex floating point value: "
-        << str(fputil::FPBits<CFT>(expectedReal)) + " + " + str(fputil::FPBits<CFT>(expectedImag)) + "i" << '\n';
+         << str(fputil::FPBits<CFT>(expectedReal)) + " + " +
+                str(fputil::FPBits<CFT>(expectedImag)) + "i"
+         << '\n';
     tlog << "Actual complex floating point value: "
-        << str(fputil::FPBits<CFT>(actualReal)) + " + " + str(fputil::FPBits<CFT>(actualImag)) + "i" << '\n';
+         << str(fputil::FPBits<CFT>(actualReal)) + " + " +
+                str(fputil::FPBits<CFT>(actualImag)) + "i"
+         << '\n';
   }
 
   bool match(T actualValue) {
     actual = actualValue;
-    if (sizeof(T) == 2 * sizeof(float)) return matchComplex<float>();
-    else if (sizeof(T) == 2 * sizeof(double)) return matchComplex<double>();
-    else if (sizeof(T) == 2 * sizeof(long double)) return matchComplex<long double>();
+    if (sizeof(T) == 2 * sizeof(float))
+      return matchComplex<float>();
+    else if (sizeof(T) == 2 * sizeof(double))
+      return matchComplex<double>();
+    else if (sizeof(T) == 2 * sizeof(long double))
+      return matchComplex<long double>();
   }
 
   void explainError() override {
-    if (sizeof(T) == 2 * sizeof(float)) explainErrorComplex<float>();
-    else if (sizeof(T) == 2 * sizeof(double)) explainErrorComplex<double>();
-    else if (sizeof(T) == 2 * sizeof(long double)) explainErrorComplex<long double>();
+    if (sizeof(T) == 2 * sizeof(float))
+      explainErrorComplex<float>();
+    else if (sizeof(T) == 2 * sizeof(double))
+      explainErrorComplex<double>();
+    else if (sizeof(T) == 2 * sizeof(long double))
+      explainErrorComplex<long double>();
   }
 };
 
@@ -131,7 +144,8 @@ template <TestCond C, typename T> FPMatcher<T, C> getMatcher(T expectedValue) {
   return FPMatcher<T, C>(expectedValue);
 }
 
-template <TestCond C, typename T> CFPMatcher<T, C> getMatcherComplex(T expectedValue) {
+template <TestCond C, typename T>
+CFPMatcher<T, C> getMatcherComplex(T expectedValue) {
   return CFPMatcher<T, C>(expectedValue);
 }
 

>From 94f8130eb51659a7b94da78d221e086a6fcd5b56 Mon Sep 17 00:00:00 2001
From: Sh0g0-1758 <shouryagoel10000 at gmail.com>
Date: Sat, 12 Oct 2024 12:55:37 +0530
Subject: [PATCH 15/15] nit

---
 libc/include/llvm-libc-types/CMakeLists.txt | 1 -
 1 file changed, 1 deletion(-)

diff --git a/libc/include/llvm-libc-types/CMakeLists.txt b/libc/include/llvm-libc-types/CMakeLists.txt
index f0dadc99099c7d..a4cf4631c8470e 100644
--- a/libc/include/llvm-libc-types/CMakeLists.txt
+++ b/libc/include/llvm-libc-types/CMakeLists.txt
@@ -17,7 +17,6 @@ add_header(__qsortrcompare_t HDR __qsortrcompare_t.h)
 add_header(__sighandler_t HDR __sighandler_t.h)
 add_header(__thread_type HDR __thread_type.h)
 add_header(blkcnt_t HDR blkcnt_t.h)
-add_header(_Imaginary HDR _Imaginary.h)
 add_header(blksize_t HDR blksize_t.h)
 add_header(cc_t HDR cc_t.h)
 add_header(clock_t HDR clock_t.h)



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