[libc-commits] [libc] [libc][complex] implement different flavors of `creal` function (PR #113300)
Shourya Goel via libc-commits
libc-commits at lists.llvm.org
Tue Oct 22 08:36:03 PDT 2024
https://github.com/Sh0g0-1758 updated https://github.com/llvm/llvm-project/pull/113300
>From 566fa0fca6be71ff4ee4bd7b6e6dc2eacbbac9d6 Mon Sep 17 00:00:00 2001
From: Sh0g0-1758 <shouryagoel10000 at gmail.com>
Date: Tue, 22 Oct 2024 17:01:47 +0530
Subject: [PATCH 1/3] Implemented variants of creal
---
libc/config/linux/aarch64/entrypoints.txt | 11 ++++
libc/config/linux/arm/entrypoints.txt | 5 ++
libc/config/linux/riscv/entrypoints.txt | 8 +++
libc/config/linux/x86_64/entrypoints.txt | 11 ++++
libc/src/CMakeLists.txt | 1 +
libc/src/complex/CMakeLists.txt | 20 +++++++
libc/src/complex/creal.h | 20 +++++++
libc/src/complex/crealf.h | 20 +++++++
libc/src/complex/crealf128.h | 27 +++++++++
libc/src/complex/crealf16.h | 27 +++++++++
libc/src/complex/creall.h | 20 +++++++
libc/src/complex/generic/CMakeLists.txt | 49 ++++++++++++++++
libc/src/complex/generic/creal.cpp | 21 +++++++
libc/src/complex/generic/crealf.cpp | 21 +++++++
libc/src/complex/generic/crealf128.cpp | 25 ++++++++
libc/src/complex/generic/crealf16.cpp | 25 ++++++++
libc/src/complex/generic/creall.cpp | 21 +++++++
libc/test/src/CMakeLists.txt | 1 +
libc/test/src/complex/CMakeLists.txt | 61 +++++++++++++++++++
libc/test/src/complex/CRealTest.h | 71 +++++++++++++++++++++++
libc/test/src/complex/creal_test.cpp | 13 +++++
libc/test/src/complex/crealf128_test.cpp | 17 ++++++
libc/test/src/complex/crealf16_test.cpp | 17 ++++++
libc/test/src/complex/crealf_test.cpp | 13 +++++
libc/test/src/complex/creall_test.cpp | 13 +++++
25 files changed, 538 insertions(+)
create mode 100644 libc/src/complex/CMakeLists.txt
create mode 100644 libc/src/complex/creal.h
create mode 100644 libc/src/complex/crealf.h
create mode 100644 libc/src/complex/crealf128.h
create mode 100644 libc/src/complex/crealf16.h
create mode 100644 libc/src/complex/creall.h
create mode 100644 libc/src/complex/generic/CMakeLists.txt
create mode 100644 libc/src/complex/generic/creal.cpp
create mode 100644 libc/src/complex/generic/crealf.cpp
create mode 100644 libc/src/complex/generic/crealf128.cpp
create mode 100644 libc/src/complex/generic/crealf16.cpp
create mode 100644 libc/src/complex/generic/creall.cpp
create mode 100644 libc/test/src/complex/CMakeLists.txt
create mode 100644 libc/test/src/complex/CRealTest.h
create mode 100644 libc/test/src/complex/creal_test.cpp
create mode 100644 libc/test/src/complex/crealf128_test.cpp
create mode 100644 libc/test/src/complex/crealf16_test.cpp
create mode 100644 libc/test/src/complex/crealf_test.cpp
create mode 100644 libc/test/src/complex/creall_test.cpp
diff --git a/libc/config/linux/aarch64/entrypoints.txt b/libc/config/linux/aarch64/entrypoints.txt
index 71c6e874429fed..8fb60d252a99b3 100644
--- a/libc/config/linux/aarch64/entrypoints.txt
+++ b/libc/config/linux/aarch64/entrypoints.txt
@@ -356,6 +356,11 @@ if(LLVM_LIBC_INCLUDE_SCUDO)
endif()
set(TARGET_LIBM_ENTRYPOINTS
+ # complex.h entrypoints
+ libc.src.complex.creal
+ libc.src.complex.crealf
+ libc.src.complex.creall
+
# fenv.h entrypoints
libc.src.fenv.feclearexcept
libc.src.fenv.fedisableexcept
@@ -603,6 +608,9 @@ set(TARGET_LIBM_ENTRYPOINTS
if(LIBC_TYPES_HAS_FLOAT16)
list(APPEND TARGET_LIBM_ENTRYPOINTS
+ # complex.h C23 _Complex _Float16 entrypoints
+ libc.src.complex.crealf16
+
# math.h C23 _Float16 entrypoints
libc.src.math.canonicalizef16
libc.src.math.ceilf16
@@ -703,6 +711,9 @@ endif()
if(LIBC_TYPES_HAS_FLOAT128)
list(APPEND TARGET_LIBM_ENTRYPOINTS
+ # complex.h C23 _Complex _Float128 entrypoints
+ libc.src.complex.crealf128
+
# math.h C23 _Float128 entrypoints
libc.src.math.canonicalizef128
libc.src.math.ceilf128
diff --git a/libc/config/linux/arm/entrypoints.txt b/libc/config/linux/arm/entrypoints.txt
index 2ddb7aeefe48ec..9f98a89ee85b1a 100644
--- a/libc/config/linux/arm/entrypoints.txt
+++ b/libc/config/linux/arm/entrypoints.txt
@@ -197,6 +197,11 @@ if(LLVM_LIBC_INCLUDE_SCUDO)
endif()
set(TARGET_LIBM_ENTRYPOINTS
+ # complex.h entrypoints
+ libc.src.complex.creal
+ libc.src.complex.crealf
+ libc.src.complex.creall
+
# fenv.h entrypoints
libc.src.fenv.feclearexcept
libc.src.fenv.fedisableexcept
diff --git a/libc/config/linux/riscv/entrypoints.txt b/libc/config/linux/riscv/entrypoints.txt
index 5c09edf7cfb266..ad444ad54a028e 100644
--- a/libc/config/linux/riscv/entrypoints.txt
+++ b/libc/config/linux/riscv/entrypoints.txt
@@ -355,6 +355,11 @@ if(LLVM_LIBC_INCLUDE_SCUDO)
endif()
set(TARGET_LIBM_ENTRYPOINTS
+ # complex.h entrypoints
+ libc.src.complex.creal
+ libc.src.complex.crealf
+ libc.src.complex.creall
+
# fenv.h entrypoints
libc.src.fenv.feclearexcept
libc.src.fenv.fedisableexcept
@@ -606,6 +611,9 @@ set(TARGET_LIBM_ENTRYPOINTS
if(LIBC_TYPES_HAS_FLOAT128)
list(APPEND TARGET_LIBM_ENTRYPOINTS
+ # complex.h C23 _Complex _Float128 entrypoints
+ libc.src.complex.crealf128
+
# math.h C23 _Float128 entrypoints
libc.src.math.canonicalizef128
libc.src.math.ceilf128
diff --git a/libc/config/linux/x86_64/entrypoints.txt b/libc/config/linux/x86_64/entrypoints.txt
index 9bc63edf06f28c..536d9d328db7e1 100644
--- a/libc/config/linux/x86_64/entrypoints.txt
+++ b/libc/config/linux/x86_64/entrypoints.txt
@@ -355,6 +355,11 @@ if(LLVM_LIBC_INCLUDE_SCUDO)
endif()
set(TARGET_LIBM_ENTRYPOINTS
+ # complex.h entrypoints
+ libc.src.complex.creal
+ libc.src.complex.crealf
+ libc.src.complex.creall
+
# fenv.h entrypoints
libc.src.fenv.feclearexcept
libc.src.fenv.fedisableexcept
@@ -606,6 +611,9 @@ set(TARGET_LIBM_ENTRYPOINTS
if(LIBC_TYPES_HAS_FLOAT16)
list(APPEND TARGET_LIBM_ENTRYPOINTS
+ # complex.h C23 _Complex _Float16 entrypoints
+ libc.src.complex.crealf16
+
# math.h C23 _Float16 entrypoints
libc.src.math.canonicalizef16
libc.src.math.ceilf16
@@ -708,6 +716,9 @@ endif()
if(LIBC_TYPES_HAS_FLOAT128)
list(APPEND TARGET_LIBM_ENTRYPOINTS
+ # complex.h C23 _Complex _Float128 entrypoints
+ libc.src.complex.crealf128
+
# math.h C23 _Float128 entrypoints
libc.src.math.canonicalizef128
libc.src.math.ceilf128
diff --git a/libc/src/CMakeLists.txt b/libc/src/CMakeLists.txt
index d554c12fb1ec89..02c193e635362e 100644
--- a/libc/src/CMakeLists.txt
+++ b/libc/src/CMakeLists.txt
@@ -1,5 +1,6 @@
add_subdirectory(__support)
+add_subdirectory(complex)
add_subdirectory(ctype)
add_subdirectory(dlfcn)
add_subdirectory(errno)
diff --git a/libc/src/complex/CMakeLists.txt b/libc/src/complex/CMakeLists.txt
new file mode 100644
index 00000000000000..92851b84b38eb6
--- /dev/null
+++ b/libc/src/complex/CMakeLists.txt
@@ -0,0 +1,20 @@
+add_subdirectory(generic)
+
+function(add_complex_entrypoint_object name)
+ get_fq_target_name("generic.${name}" fq_generic_target_name)
+ if(TARGET ${fq_generic_target_name})
+ add_entrypoint_object(
+ ${name}
+ ALIAS
+ DEPENDS
+ .generic.${name}
+ )
+ return()
+ endif()
+endfunction()
+
+add_complex_entrypoint_object(creal)
+add_complex_entrypoint_object(crealf)
+add_complex_entrypoint_object(creall)
+add_complex_entrypoint_object(crealf16)
+add_complex_entrypoint_object(crealf128)
diff --git a/libc/src/complex/creal.h b/libc/src/complex/creal.h
new file mode 100644
index 00000000000000..3ec5dd049b975d
--- /dev/null
+++ b/libc/src/complex/creal.h
@@ -0,0 +1,20 @@
+//===-- Implementation header for creal -------------------------*- 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_COMPLEX_CREAL_H
+#define LLVM_LIBC_SRC_COMPLEX_CREAL_H
+
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+double creal(_Complex double x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_COMPLEX_CREAL_H
diff --git a/libc/src/complex/crealf.h b/libc/src/complex/crealf.h
new file mode 100644
index 00000000000000..79dafc1c3758d5
--- /dev/null
+++ b/libc/src/complex/crealf.h
@@ -0,0 +1,20 @@
+//===-- Implementation header for crealf ------------------------*- 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_COMPLEX_CREALF_H
+#define LLVM_LIBC_SRC_COMPLEX_CREALF_H
+
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+float crealf(_Complex float x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_COMPLEX_CREALF_H
diff --git a/libc/src/complex/crealf128.h b/libc/src/complex/crealf128.h
new file mode 100644
index 00000000000000..4922ae78cb2386
--- /dev/null
+++ b/libc/src/complex/crealf128.h
@@ -0,0 +1,27 @@
+//===-- Implementation header for crealf128 ---------------------*- 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/__support/macros/properties/complex_types.h"
+#include "src/__support/macros/properties/types.h"
+
+#if defined(LIBC_TYPES_HAS_CFLOAT128)
+
+#ifndef LLVM_LIBC_SRC_COMPLEX_CREALF128_H
+#define LLVM_LIBC_SRC_COMPLEX_CREALF128_H
+
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+float128 crealf128(cfloat128 x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_COMPLEX_CREALF128_H
+
+#endif // LIBC_TYPES_HAS_CFLOAT128
diff --git a/libc/src/complex/crealf16.h b/libc/src/complex/crealf16.h
new file mode 100644
index 00000000000000..e6098a218d092d
--- /dev/null
+++ b/libc/src/complex/crealf16.h
@@ -0,0 +1,27 @@
+//===-- Implementation header for crealf16 ----------------------*- 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/__support/macros/properties/complex_types.h"
+#include "src/__support/macros/properties/types.h"
+
+#if defined(LIBC_TYPES_HAS_CFLOAT16)
+
+#ifndef LLVM_LIBC_SRC_COMPLEX_CREALF16_H
+#define LLVM_LIBC_SRC_COMPLEX_CREALF16_H
+
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+float16 crealf16(cfloat16 x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_COMPLEX_CREALF16_H
+
+#endif // LIBC_TYPES_HAS_CFLOAT16
diff --git a/libc/src/complex/creall.h b/libc/src/complex/creall.h
new file mode 100644
index 00000000000000..2a8245f63d6710
--- /dev/null
+++ b/libc/src/complex/creall.h
@@ -0,0 +1,20 @@
+//===-- Implementation header for creall ------------------------*- 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_COMPLEX_CREALL_H
+#define LLVM_LIBC_SRC_COMPLEX_CREALL_H
+
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+long double creall(_Complex long double x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_COMPLEX_CREALL_H
diff --git a/libc/src/complex/generic/CMakeLists.txt b/libc/src/complex/generic/CMakeLists.txt
new file mode 100644
index 00000000000000..f7b69e245cc205
--- /dev/null
+++ b/libc/src/complex/generic/CMakeLists.txt
@@ -0,0 +1,49 @@
+add_entrypoint_object(
+ creal
+ SRCS
+ creal.cpp
+ HDRS
+ ../creal.h
+ COMPILE_OPTIONS
+ -O3
+)
+
+add_entrypoint_object(
+ crealf
+ SRCS
+ crealf.cpp
+ HDRS
+ ../crealf.h
+ COMPILE_OPTIONS
+ -O3
+)
+
+add_entrypoint_object(
+ creall
+ SRCS
+ creall.cpp
+ HDRS
+ ../creall.h
+ COMPILE_OPTIONS
+ -O3
+)
+
+add_entrypoint_object(
+ crealf16
+ SRCS
+ crealf16.cpp
+ HDRS
+ ../crealf16.h
+ COMPILE_OPTIONS
+ -O3
+)
+
+add_entrypoint_object(
+ crealf128
+ SRCS
+ crealf128.cpp
+ HDRS
+ ../crealf128.h
+ COMPILE_OPTIONS
+ -O3
+)
diff --git a/libc/src/complex/generic/creal.cpp b/libc/src/complex/generic/creal.cpp
new file mode 100644
index 00000000000000..a48d9033b68a1a
--- /dev/null
+++ b/libc/src/complex/generic/creal.cpp
@@ -0,0 +1,21 @@
+//===-- Implementation of creal 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/complex/creal.h"
+#include "src/__support/FPUtil/NearestIntegerOperations.h"
+#include "src/__support/common.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(double, creal, (_Complex double x)) {
+ double *xCmplxPtr = reinterpret_cast<double *>(&x);
+ return xCmplxPtr[0];
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/complex/generic/crealf.cpp b/libc/src/complex/generic/crealf.cpp
new file mode 100644
index 00000000000000..a8b276a2f18fac
--- /dev/null
+++ b/libc/src/complex/generic/crealf.cpp
@@ -0,0 +1,21 @@
+//===-- Implementation of crealf 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/complex/crealf.h"
+#include "src/__support/FPUtil/NearestIntegerOperations.h"
+#include "src/__support/common.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(float, crealf, (_Complex float x)) {
+ float *xCmplxPtr = reinterpret_cast<float *>(&x);
+ return xCmplxPtr[0];
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/complex/generic/crealf128.cpp b/libc/src/complex/generic/crealf128.cpp
new file mode 100644
index 00000000000000..c9f1e6ea3ea996
--- /dev/null
+++ b/libc/src/complex/generic/crealf128.cpp
@@ -0,0 +1,25 @@
+//===-- Implementation of crealf128 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/complex/crealf128.h"
+#if defined(LIBC_TYPES_HAS_CFLOAT128)
+
+#include "src/__support/FPUtil/NearestIntegerOperations.h"
+#include "src/__support/common.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(float128, crealf128, (cfloat128 x)) {
+ float128 *xCmplxPtr = reinterpret_cast<float128 *>(&x);
+ return xCmplxPtr[0];
+}
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LIBC_TYPES_HAS_CFLOAT128
diff --git a/libc/src/complex/generic/crealf16.cpp b/libc/src/complex/generic/crealf16.cpp
new file mode 100644
index 00000000000000..d01ee65c9e4146
--- /dev/null
+++ b/libc/src/complex/generic/crealf16.cpp
@@ -0,0 +1,25 @@
+//===-- Implementation of crealf16 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/complex/crealf16.h"
+#if defined(LIBC_TYPES_HAS_CFLOAT16)
+
+#include "src/__support/FPUtil/NearestIntegerOperations.h"
+#include "src/__support/common.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(float16, crealf16, (cfloat16 x)) {
+ float16 *xCmplxPtr = reinterpret_cast<float16 *>(&x);
+ return xCmplxPtr[0];
+}
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LIBC_TYPES_HAS_CFLOAT16
diff --git a/libc/src/complex/generic/creall.cpp b/libc/src/complex/generic/creall.cpp
new file mode 100644
index 00000000000000..b140fbdf40cfb3
--- /dev/null
+++ b/libc/src/complex/generic/creall.cpp
@@ -0,0 +1,21 @@
+//===-- Implementation of creall 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/complex/creall.h"
+#include "src/__support/FPUtil/NearestIntegerOperations.h"
+#include "src/__support/common.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(long double, creall, (_Complex long double x)) {
+ long double *xCmplxPtr = reinterpret_cast<long double *>(&x);
+ return xCmplxPtr[0];
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/test/src/CMakeLists.txt b/libc/test/src/CMakeLists.txt
index ddc6a5c7f6965f..e121555bd60a9f 100644
--- a/libc/test/src/CMakeLists.txt
+++ b/libc/test/src/CMakeLists.txt
@@ -47,6 +47,7 @@ function(add_fp_unittest name)
endfunction(add_fp_unittest)
add_subdirectory(__support)
+add_subdirectory(complex)
add_subdirectory(ctype)
add_subdirectory(errno)
add_subdirectory(fenv)
diff --git a/libc/test/src/complex/CMakeLists.txt b/libc/test/src/complex/CMakeLists.txt
new file mode 100644
index 00000000000000..51d0d2a4278b42
--- /dev/null
+++ b/libc/test/src/complex/CMakeLists.txt
@@ -0,0 +1,61 @@
+add_custom_target(libc-complex-unittests)
+
+add_libc_test(
+ creal_test
+ SUITE
+ libc-complex-unittests
+ SRCS
+ creal_test.cpp
+ DEPENDS
+ libc.src.complex.creal
+ LINK_LIBRARIES
+ LibcFPTestHelpers
+)
+
+add_libc_test(
+ crealf_test
+ SUITE
+ libc-complex-unittests
+ SRCS
+ crealf_test.cpp
+ DEPENDS
+ libc.src.complex.crealf
+ LINK_LIBRARIES
+ LibcFPTestHelpers
+)
+
+add_libc_test(
+ creall_test
+ SUITE
+ libc-complex-unittests
+ SRCS
+ creall_test.cpp
+ DEPENDS
+ libc.src.complex.creall
+ LINK_LIBRARIES
+ LibcFPTestHelpers
+)
+
+add_libc_test(
+ crealf16_test
+ SUITE
+ libc-complex-unittests
+ SRCS
+ crealf16_test.cpp
+ DEPENDS
+ libc.src.complex.crealf16
+ LINK_LIBRARIES
+ LibcFPTestHelpers
+)
+
+add_libc_test(
+ crealf128_test
+ SUITE
+ libc-complex-unittests
+ SRCS
+ crealf128_test.cpp
+ DEPENDS
+ libc.src.complex.crealf128
+ LINK_LIBRARIES
+ LibcFPTestHelpers
+)
diff --git a/libc/test/src/complex/CRealTest.h b/libc/test/src/complex/CRealTest.h
new file mode 100644
index 00000000000000..684e7b580e6576
--- /dev/null
+++ b/libc/test/src/complex/CRealTest.h
@@ -0,0 +1,71 @@
+//===-- Utility class to test different flavors of creal --------*- 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_TEST_SRC_COMPLEX_CREALTEST_H
+#define LLVM_LIBC_TEST_SRC_COMPLEX_CREALTEST_H
+
+#include "test/UnitTest/FEnvSafeTest.h"
+#include "test/UnitTest/FPMatcher.h"
+#include "test/UnitTest/Test.h"
+
+#include "hdr/math_macros.h"
+
+template <typename CFPT, typename FPT>
+class CRealTest : public LIBC_NAMESPACE::testing::FEnvSafeTest {
+
+ DECLARE_SPECIAL_CONSTANTS(FPT)
+
+public:
+ typedef FPT (*CRealFunc)(CFPT);
+
+ void testSpecialNumbers(CRealFunc func) {
+ EXPECT_FP_EQ(func(CFPT(aNaN + 67.123i)), aNaN);
+ EXPECT_FP_EQ(func(CFPT(neg_aNaN + 78.319i)), neg_aNaN);
+ EXPECT_FP_EQ(func(CFPT(sNaN + 7813.131i)), sNaN);
+ EXPECT_FP_EQ(func(CFPT(neg_sNaN + 7824.152i)), neg_sNaN);
+ EXPECT_FP_EQ(func(CFPT(inf + 9024.2442i)), inf);
+ EXPECT_FP_EQ(func(CFPT(neg_inf + 8923.124i)), neg_inf);
+ EXPECT_FP_EQ(func(CFPT(min_normal + 782.124i)), min_normal);
+ EXPECT_FP_EQ(func(CFPT(max_normal + 2141.2352i)), max_normal);
+ EXPECT_FP_EQ(func(CFPT(neg_max_normal + 341.134i)), neg_max_normal);
+ EXPECT_FP_EQ(func(CFPT(min_denormal + 781.142i)), min_denormal);
+ EXPECT_FP_EQ(func(CFPT(neg_min_denormal + 781.134i)), neg_min_denormal);
+ EXPECT_FP_EQ(func(CFPT(max_denormal + 1241.112i)), max_denormal);
+ EXPECT_FP_EQ(func(CFPT(zero + 121.121i)), zero);
+ // EXPECT_FP_EQ(func(CFPT(neg_zero + 12341.1321i)), neg_zero);
+ }
+
+ void testRoundedNumbers(CRealFunc func) {
+ EXPECT_FP_EQ(func((CFPT)(4523.1413 + 12413.1414i)), (FPT)(4523.1413));
+ EXPECT_FP_EQ(func((CFPT)(-4523.1413 + 12413.1414i)), (FPT)(-4523.1413));
+ EXPECT_FP_EQ(func((CFPT)(4523.1413 - 12413.1414i)), (FPT)(4523.1413));
+ EXPECT_FP_EQ(func((CFPT)(-4523.1413 - 12413.1414i)), (FPT)(-4523.1413));
+
+ EXPECT_FP_EQ(func((CFPT)(3210.5678 + 9876.5432i)), (FPT)(3210.5678));
+ EXPECT_FP_EQ(func((CFPT)(-3210.5678 + 9876.5432i)), (FPT)(-3210.5678));
+ EXPECT_FP_EQ(func((CFPT)(3210.5678 - 9876.5432i)), (FPT)(3210.5678));
+ EXPECT_FP_EQ(func((CFPT)(-3210.5678 - 9876.5432i)), (FPT)(-3210.5678));
+
+ EXPECT_FP_EQ(func((CFPT)(1234.4321 + 4321.1234i)), (FPT)(1234.4321));
+ EXPECT_FP_EQ(func((CFPT)(-1234.4321 + 4321.1234i)), (FPT)(-1234.4321));
+ EXPECT_FP_EQ(func((CFPT)(1234.4321 - 4321.1234i)), (FPT)(1234.4321));
+ EXPECT_FP_EQ(func((CFPT)(-1234.4321 - 4321.1234i)), (FPT)(-1234.4321));
+
+ EXPECT_FP_EQ(func((CFPT)(6789.1234 + 8765.6789i)), (FPT)(6789.1234));
+ EXPECT_FP_EQ(func((CFPT)(-6789.1234 + 8765.6789i)), (FPT)(-6789.1234));
+ EXPECT_FP_EQ(func((CFPT)(6789.1234 - 8765.6789i)), (FPT)(6789.1234));
+ EXPECT_FP_EQ(func((CFPT)(-6789.1234 - 8765.6789i)), (FPT)(-6789.1234));
+ }
+};
+
+#define LIST_CREAL_TESTS(U, T, func) \
+ using LlvmLibcCRealTest = CRealTest<U, T>; \
+ TEST_F(LlvmLibcCRealTest, SpecialNumbers) { testSpecialNumbers(&func); } \
+ TEST_F(LlvmLibcCRealTest, RoundedNumbers) { testRoundedNumbers(&func); }
+
+#endif // LLVM_LIBC_TEST_SRC_COMPLEX_CREALTEST_H
diff --git a/libc/test/src/complex/creal_test.cpp b/libc/test/src/complex/creal_test.cpp
new file mode 100644
index 00000000000000..14dc550932d7d5
--- /dev/null
+++ b/libc/test/src/complex/creal_test.cpp
@@ -0,0 +1,13 @@
+//===-- Unittests for creal -----------------------------------------------===//
+//
+// 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 "CRealTest.h"
+
+#include "src/complex/creal.h"
+
+LIST_CREAL_TESTS(_Complex double, double, LIBC_NAMESPACE::creal)
diff --git a/libc/test/src/complex/crealf128_test.cpp b/libc/test/src/complex/crealf128_test.cpp
new file mode 100644
index 00000000000000..7626eeebca2783
--- /dev/null
+++ b/libc/test/src/complex/crealf128_test.cpp
@@ -0,0 +1,17 @@
+//===-- Unittests for crealf128 -------------------------------------------===//
+//
+// 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 "CRealTest.h"
+
+#include "src/complex/crealf128.h"
+
+#if defined(LIBC_TYPES_HAS_CFLOAT128)
+
+LIST_CREAL_TESTS(cfloat128, float128, LIBC_NAMESPACE::crealf128)
+
+#endif // LIBC_TYPES_HAS_CFLOAT128
diff --git a/libc/test/src/complex/crealf16_test.cpp b/libc/test/src/complex/crealf16_test.cpp
new file mode 100644
index 00000000000000..97346aad615f7e
--- /dev/null
+++ b/libc/test/src/complex/crealf16_test.cpp
@@ -0,0 +1,17 @@
+//===-- Unittests for crealf16 --------------------------------------------===//
+//
+// 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 "CRealTest.h"
+
+#include "src/complex/crealf16.h"
+
+#if defined(LIBC_TYPES_HAS_CFLOAT16)
+
+LIST_CREAL_TESTS(cfloat16, float16, LIBC_NAMESPACE::crealf16)
+
+#endif // LIBC_TYPES_HAS_CFLOAT16
diff --git a/libc/test/src/complex/crealf_test.cpp b/libc/test/src/complex/crealf_test.cpp
new file mode 100644
index 00000000000000..aa54f54793e2a6
--- /dev/null
+++ b/libc/test/src/complex/crealf_test.cpp
@@ -0,0 +1,13 @@
+//===-- Unittests for crealf ----------------------------------------------===//
+//
+// 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 "CRealTest.h"
+
+#include "src/complex/crealf.h"
+
+LIST_CREAL_TESTS(_Complex float, float, LIBC_NAMESPACE::crealf)
diff --git a/libc/test/src/complex/creall_test.cpp b/libc/test/src/complex/creall_test.cpp
new file mode 100644
index 00000000000000..6985dbc2590a77
--- /dev/null
+++ b/libc/test/src/complex/creall_test.cpp
@@ -0,0 +1,13 @@
+//===-- Unittests for creall ----------------------------------------------===//
+//
+// 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 "CRealTest.h"
+
+#include "src/complex/creall.h"
+
+LIST_CREAL_TESTS(_Complex long double, long double, LIBC_NAMESPACE::creall)
>From 5be226fca89db62f5aa9feed7d62f9bc4b37be05 Mon Sep 17 00:00:00 2001
From: Sh0g0-1758 <shouryagoel10000 at gmail.com>
Date: Tue, 22 Oct 2024 17:02:27 +0530
Subject: [PATCH 2/3] ran fmt
---
libc/src/complex/generic/creal.cpp | 4 ++--
libc/src/complex/generic/crealf.cpp | 4 ++--
libc/src/complex/generic/crealf128.cpp | 4 ++--
libc/src/complex/generic/crealf16.cpp | 4 ++--
libc/src/complex/generic/creall.cpp | 4 ++--
5 files changed, 10 insertions(+), 10 deletions(-)
diff --git a/libc/src/complex/generic/creal.cpp b/libc/src/complex/generic/creal.cpp
index a48d9033b68a1a..fbac499e939374 100644
--- a/libc/src/complex/generic/creal.cpp
+++ b/libc/src/complex/generic/creal.cpp
@@ -14,8 +14,8 @@
namespace LIBC_NAMESPACE_DECL {
LLVM_LIBC_FUNCTION(double, creal, (_Complex double x)) {
- double *xCmplxPtr = reinterpret_cast<double *>(&x);
- return xCmplxPtr[0];
+ double *xCmplxPtr = reinterpret_cast<double *>(&x);
+ return xCmplxPtr[0];
}
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/complex/generic/crealf.cpp b/libc/src/complex/generic/crealf.cpp
index a8b276a2f18fac..f613e7fd566bce 100644
--- a/libc/src/complex/generic/crealf.cpp
+++ b/libc/src/complex/generic/crealf.cpp
@@ -14,8 +14,8 @@
namespace LIBC_NAMESPACE_DECL {
LLVM_LIBC_FUNCTION(float, crealf, (_Complex float x)) {
- float *xCmplxPtr = reinterpret_cast<float *>(&x);
- return xCmplxPtr[0];
+ float *xCmplxPtr = reinterpret_cast<float *>(&x);
+ return xCmplxPtr[0];
}
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/complex/generic/crealf128.cpp b/libc/src/complex/generic/crealf128.cpp
index c9f1e6ea3ea996..df29102d259851 100644
--- a/libc/src/complex/generic/crealf128.cpp
+++ b/libc/src/complex/generic/crealf128.cpp
@@ -16,8 +16,8 @@
namespace LIBC_NAMESPACE_DECL {
LLVM_LIBC_FUNCTION(float128, crealf128, (cfloat128 x)) {
- float128 *xCmplxPtr = reinterpret_cast<float128 *>(&x);
- return xCmplxPtr[0];
+ float128 *xCmplxPtr = reinterpret_cast<float128 *>(&x);
+ return xCmplxPtr[0];
}
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/complex/generic/crealf16.cpp b/libc/src/complex/generic/crealf16.cpp
index d01ee65c9e4146..fcb6181c988d74 100644
--- a/libc/src/complex/generic/crealf16.cpp
+++ b/libc/src/complex/generic/crealf16.cpp
@@ -16,8 +16,8 @@
namespace LIBC_NAMESPACE_DECL {
LLVM_LIBC_FUNCTION(float16, crealf16, (cfloat16 x)) {
- float16 *xCmplxPtr = reinterpret_cast<float16 *>(&x);
- return xCmplxPtr[0];
+ float16 *xCmplxPtr = reinterpret_cast<float16 *>(&x);
+ return xCmplxPtr[0];
}
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/complex/generic/creall.cpp b/libc/src/complex/generic/creall.cpp
index b140fbdf40cfb3..e961743ba87852 100644
--- a/libc/src/complex/generic/creall.cpp
+++ b/libc/src/complex/generic/creall.cpp
@@ -14,8 +14,8 @@
namespace LIBC_NAMESPACE_DECL {
LLVM_LIBC_FUNCTION(long double, creall, (_Complex long double x)) {
- long double *xCmplxPtr = reinterpret_cast<long double *>(&x);
- return xCmplxPtr[0];
+ long double *xCmplxPtr = reinterpret_cast<long double *>(&x);
+ return xCmplxPtr[0];
}
} // namespace LIBC_NAMESPACE_DECL
>From 3914ac3ce3776bc9fa2370c3d208a5ce20b9a525 Mon Sep 17 00:00:00 2001
From: Sh0g0-1758 <shouryagoel10000 at gmail.com>
Date: Tue, 22 Oct 2024 21:05:42 +0530
Subject: [PATCH 3/3] update test for neg_zero
---
libc/test/src/complex/CRealTest.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libc/test/src/complex/CRealTest.h b/libc/test/src/complex/CRealTest.h
index 684e7b580e6576..204a8fc529c100 100644
--- a/libc/test/src/complex/CRealTest.h
+++ b/libc/test/src/complex/CRealTest.h
@@ -37,7 +37,8 @@ class CRealTest : public LIBC_NAMESPACE::testing::FEnvSafeTest {
EXPECT_FP_EQ(func(CFPT(neg_min_denormal + 781.134i)), neg_min_denormal);
EXPECT_FP_EQ(func(CFPT(max_denormal + 1241.112i)), max_denormal);
EXPECT_FP_EQ(func(CFPT(zero + 121.121i)), zero);
- // EXPECT_FP_EQ(func(CFPT(neg_zero + 12341.1321i)), neg_zero);
+ EXPECT_FP_EQ(func(CFPT(neg_zero - zero * 1.0i)), neg_zero);
+ EXPECT_FP_EQ(func(CFPT(neg_zero + zero * 1.0i)), zero);
}
void testRoundedNumbers(CRealFunc func) {
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