[libc-commits] [libc] [libc][complex] Implement different flavors of the `conj` function (PR #118671)
via libc-commits
libc-commits at lists.llvm.org
Wed Dec 4 09:29:16 PST 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-libc
Author: Shourya Goel (Sh0g0-1758)
<details>
<summary>Changes</summary>
Refer section 7.3.9.4 of ISO/IEC 9899:2023
---
Patch is 29.31 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/118671.diff
26 Files Affected:
- (modified) libc/config/linux/aarch64/entrypoints.txt (+5)
- (modified) libc/config/linux/arm/entrypoints.txt (+3)
- (modified) libc/config/linux/riscv/entrypoints.txt (+4)
- (modified) libc/config/linux/x86_64/entrypoints.txt (+5)
- (modified) libc/docs/complex.rst (+1-1)
- (modified) libc/src/complex/CMakeLists.txt (+6)
- (added) libc/src/complex/conj.h (+20)
- (added) libc/src/complex/conjf.h (+20)
- (added) libc/src/complex/conjf128.h (+27)
- (added) libc/src/complex/conjf16.h (+27)
- (added) libc/src/complex/conjl.h (+20)
- (modified) libc/src/complex/generic/CMakeLists.txt (+69)
- (added) libc/src/complex/generic/conj.cpp (+21)
- (added) libc/src/complex/generic/conjf.cpp (+21)
- (added) libc/src/complex/generic/conjf128.cpp (+25)
- (added) libc/src/complex/generic/conjf16.cpp (+25)
- (added) libc/src/complex/generic/conjl.cpp (+21)
- (modified) libc/test/src/complex/CImagTest.h (+4-3)
- (modified) libc/test/src/complex/CMakeLists.txt (+60)
- (modified) libc/test/src/complex/CRealTest.h (+4-2)
- (added) libc/test/src/complex/ConjTest.h (+123)
- (added) libc/test/src/complex/conj_test.cpp (+13)
- (added) libc/test/src/complex/conjf128_test.cpp (+18)
- (added) libc/test/src/complex/conjf16_test.cpp (+17)
- (added) libc/test/src/complex/conjf_test.cpp (+13)
- (added) libc/test/src/complex/conjl_test.cpp (+13)
``````````diff
diff --git a/libc/config/linux/aarch64/entrypoints.txt b/libc/config/linux/aarch64/entrypoints.txt
index aa0b8ba0490e98..7b855e14a9e8eb 100644
--- a/libc/config/linux/aarch64/entrypoints.txt
+++ b/libc/config/linux/aarch64/entrypoints.txt
@@ -366,6 +366,9 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.complex.cimag
libc.src.complex.cimagf
libc.src.complex.cimagl
+ libc.src.complex.conj
+ libc.src.complex.conjf
+ libc.src.complex.conjl
# fenv.h entrypoints
libc.src.fenv.feclearexcept
@@ -617,6 +620,7 @@ if(LIBC_TYPES_HAS_FLOAT16)
# complex.h C23 _Complex _Float16 entrypoints
# libc.src.complex.crealf16
# libc.src.complex.cimagf16
+ # libc.src.complex.conjf16
# math.h C23 _Float16 entrypoints
libc.src.math.canonicalizef16
@@ -722,6 +726,7 @@ if(LIBC_TYPES_HAS_FLOAT128)
# complex.h C23 _Complex _Float128 entrypoints
libc.src.complex.crealf128
libc.src.complex.cimagf128
+ libc.src.complex.conjf128
# math.h C23 _Float128 entrypoints
libc.src.math.canonicalizef128
diff --git a/libc/config/linux/arm/entrypoints.txt b/libc/config/linux/arm/entrypoints.txt
index 31d81de06fb6b0..babdf92bb56764 100644
--- a/libc/config/linux/arm/entrypoints.txt
+++ b/libc/config/linux/arm/entrypoints.txt
@@ -207,6 +207,9 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.complex.cimag
libc.src.complex.cimagf
libc.src.complex.cimagl
+ libc.src.complex.conj
+ libc.src.complex.conjf
+ libc.src.complex.conjl
# fenv.h entrypoints
libc.src.fenv.feclearexcept
diff --git a/libc/config/linux/riscv/entrypoints.txt b/libc/config/linux/riscv/entrypoints.txt
index fedc5002d8c246..c7db77fe8875a2 100644
--- a/libc/config/linux/riscv/entrypoints.txt
+++ b/libc/config/linux/riscv/entrypoints.txt
@@ -365,6 +365,9 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.complex.cimag
libc.src.complex.cimagf
libc.src.complex.cimagl
+ libc.src.complex.conj
+ libc.src.complex.conjf
+ libc.src.complex.conjl
# fenv.h entrypoints
libc.src.fenv.feclearexcept
@@ -620,6 +623,7 @@ if(LIBC_TYPES_HAS_FLOAT128)
# complex.h C23 _Complex _Float128 entrypoints
libc.src.complex.crealf128
libc.src.complex.cimagf128
+ libc.src.complex.conjf128
# math.h C23 _Float128 entrypoints
libc.src.math.canonicalizef128
diff --git a/libc/config/linux/x86_64/entrypoints.txt b/libc/config/linux/x86_64/entrypoints.txt
index 5e9cc71279ab16..69ac5652fba2f3 100644
--- a/libc/config/linux/x86_64/entrypoints.txt
+++ b/libc/config/linux/x86_64/entrypoints.txt
@@ -366,6 +366,9 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.complex.cimag
libc.src.complex.cimagf
libc.src.complex.cimagl
+ libc.src.complex.conj
+ libc.src.complex.conjf
+ libc.src.complex.conjl
# fenv.h entrypoints
libc.src.fenv.feclearexcept
@@ -622,6 +625,7 @@ if(LIBC_TYPES_HAS_FLOAT16)
# complex.h C23 _Complex _Float16 entrypoints
libc.src.complex.crealf16
libc.src.complex.cimagf16
+ libc.src.complex.conjf16
# math.h C23 _Float16 entrypoints
libc.src.math.canonicalizef16
@@ -731,6 +735,7 @@ if(LIBC_TYPES_HAS_FLOAT128)
# complex.h C23 _Complex _Float128 entrypoints
# libc.src.complex.crealf128
# libc.src.complex.cimagf128
+ # libc.src.complex.conjf128
# math.h C23 _Float128 entrypoints
libc.src.math.canonicalizef128
diff --git a/libc/docs/complex.rst b/libc/docs/complex.rst
index 1e74f16b60e660..3e375d5491640f 100644
--- a/libc/docs/complex.rst
+++ b/libc/docs/complex.rst
@@ -57,7 +57,7 @@ Functions
+-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
| cimag | |check| | |check| | |check| | |check| | |check| | 7.3.9.2 | N/A |
+-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
-| conj | | | | | | 7.3.9.4 | N/A |
+| conj | |check| | |check| | |check| | |check| | |check| | 7.3.9.4 | N/A |
+-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
| cproj | | | | | | 7.3.9.5 | N/A |
+-----------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
diff --git a/libc/src/complex/CMakeLists.txt b/libc/src/complex/CMakeLists.txt
index 289cce5455af78..7306e2fe925e3a 100644
--- a/libc/src/complex/CMakeLists.txt
+++ b/libc/src/complex/CMakeLists.txt
@@ -24,3 +24,9 @@ add_complex_entrypoint_object(cimagf)
add_complex_entrypoint_object(cimagl)
add_complex_entrypoint_object(cimagf16)
add_complex_entrypoint_object(cimagf128)
+
+add_complex_entrypoint_object(conj)
+add_complex_entrypoint_object(conjf)
+add_complex_entrypoint_object(conjl)
+add_complex_entrypoint_object(conjf16)
+add_complex_entrypoint_object(conjf128)
diff --git a/libc/src/complex/conj.h b/libc/src/complex/conj.h
new file mode 100644
index 00000000000000..2ff82d27586202
--- /dev/null
+++ b/libc/src/complex/conj.h
@@ -0,0 +1,20 @@
+//===-- Implementation header for conj --------------------------*- 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_CONJ_H
+#define LLVM_LIBC_SRC_COMPLEX_CONJ_H
+
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+_Complex double conj(_Complex double x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_COMPLEX_CONJ_H
diff --git a/libc/src/complex/conjf.h b/libc/src/complex/conjf.h
new file mode 100644
index 00000000000000..6b3bd612e5bf7d
--- /dev/null
+++ b/libc/src/complex/conjf.h
@@ -0,0 +1,20 @@
+//===-- Implementation header for conjf -------------------------*- 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_CONJF_H
+#define LLVM_LIBC_SRC_COMPLEX_CONJF_H
+
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+_Complex float conjf(_Complex float x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_COMPLEX_CONJF_H
diff --git a/libc/src/complex/conjf128.h b/libc/src/complex/conjf128.h
new file mode 100644
index 00000000000000..587c979d315efb
--- /dev/null
+++ b/libc/src/complex/conjf128.h
@@ -0,0 +1,27 @@
+//===-- Implementation header for conjf128 ----------------------*- 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_CONJF128_H
+#define LLVM_LIBC_SRC_COMPLEX_CONJF128_H
+
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+cfloat128 conjf128(cfloat128 x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_COMPLEX_CONJF128_H
+
+#endif // LIBC_TYPES_HAS_CFLOAT128
diff --git a/libc/src/complex/conjf16.h b/libc/src/complex/conjf16.h
new file mode 100644
index 00000000000000..b15c5b3f61f4a0
--- /dev/null
+++ b/libc/src/complex/conjf16.h
@@ -0,0 +1,27 @@
+//===-- Implementation header for conjf16 -----------------------*- 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_CONJF16_H
+#define LLVM_LIBC_SRC_COMPLEX_CONJF16_H
+
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+cfloat16 conjf16(cfloat16 x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_COMPLEX_CONJF16_H
+
+#endif // LIBC_TYPES_HAS_CFLOAT16
diff --git a/libc/src/complex/conjl.h b/libc/src/complex/conjl.h
new file mode 100644
index 00000000000000..aec640f9433ac6
--- /dev/null
+++ b/libc/src/complex/conjl.h
@@ -0,0 +1,20 @@
+//===-- Implementation header for conjl -------------------------*- 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_CONJL_H
+#define LLVM_LIBC_SRC_COMPLEX_CONJL_H
+
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+_Complex long double conjl(_Complex long double x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_COMPLEX_CONJL_H
diff --git a/libc/src/complex/generic/CMakeLists.txt b/libc/src/complex/generic/CMakeLists.txt
index a3da781c602378..cc14f89122eddd 100644
--- a/libc/src/complex/generic/CMakeLists.txt
+++ b/libc/src/complex/generic/CMakeLists.txt
@@ -1,3 +1,72 @@
+add_entrypoint_object(
+ conj
+ SRCS
+ conj.cpp
+ HDRS
+ ../conj.h
+ COMPILE_OPTIONS
+ ${libc_opt_high_flag}
+ DEPENDS
+ libc.src.__support.CPP.bit
+ libc.src.__support.complex_type
+)
+
+add_entrypoint_object(
+ conjf
+ SRCS
+ conjf.cpp
+ HDRS
+ ../conjf.h
+ COMPILE_OPTIONS
+ ${libc_opt_high_flag}
+ DEPENDS
+ libc.src.__support.CPP.bit
+ libc.src.__support.complex_type
+)
+
+add_entrypoint_object(
+ conjl
+ SRCS
+ conjl.cpp
+ HDRS
+ ../conjl.h
+ COMPILE_OPTIONS
+ ${libc_opt_high_flag}
+ DEPENDS
+ libc.src.__support.CPP.bit
+ libc.src.__support.complex_type
+)
+
+add_entrypoint_object(
+ conjf16
+ SRCS
+ conjf16.cpp
+ HDRS
+ ../conjf16.h
+ COMPILE_OPTIONS
+ ${libc_opt_high_flag}
+ DEPENDS
+ libc.src.__support.CPP.bit
+ libc.src.__support.complex_type
+ libc.src.__support.macros.properties.types
+ libc.src.__support.macros.properties.complex_types
+)
+
+add_entrypoint_object(
+ conjf128
+ SRCS
+ conjf128.cpp
+ HDRS
+ ../conjf128.h
+ COMPILE_OPTIONS
+ ${libc_opt_high_flag}
+ DEPENDS
+ libc.src.__support.CPP.bit
+ libc.src.__support.complex_type
+ libc.src.__support.macros.properties.types
+ libc.src.__support.macros.properties.complex_types
+)
+
add_entrypoint_object(
creal
SRCS
diff --git a/libc/src/complex/generic/conj.cpp b/libc/src/complex/generic/conj.cpp
new file mode 100644
index 00000000000000..0d1376af34e9a0
--- /dev/null
+++ b/libc/src/complex/generic/conj.cpp
@@ -0,0 +1,21 @@
+//===-- Implementation of conj 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/conj.h"
+#include "src/__support/CPP/bit.h"
+#include "src/__support/common.h"
+#include "src/__support/complex_type.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(_Complex double, conj, (_Complex double x)) {
+ Complex<double> x_c = cpp::bit_cast<Complex<double>>(x);
+ return (x_c.real - x_c.imag * 1.0i);
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/complex/generic/conjf.cpp b/libc/src/complex/generic/conjf.cpp
new file mode 100644
index 00000000000000..1d83a043f970de
--- /dev/null
+++ b/libc/src/complex/generic/conjf.cpp
@@ -0,0 +1,21 @@
+//===-- Implementation of conjf 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/conjf.h"
+#include "src/__support/CPP/bit.h"
+#include "src/__support/common.h"
+#include "src/__support/complex_type.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(_Complex float, conjf, (_Complex float x)) {
+ Complex<float> x_c = cpp::bit_cast<Complex<float>>(x);
+ return (x_c.real - x_c.imag * (_Complex float)1.0i);
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/complex/generic/conjf128.cpp b/libc/src/complex/generic/conjf128.cpp
new file mode 100644
index 00000000000000..03114d331480b1
--- /dev/null
+++ b/libc/src/complex/generic/conjf128.cpp
@@ -0,0 +1,25 @@
+//===-- Implementation of conjf128 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/conjf128.h"
+#if defined(LIBC_TYPES_HAS_CFLOAT128)
+
+#include "src/__support/CPP/bit.h"
+#include "src/__support/common.h"
+#include "src/__support/complex_type.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(cfloat128, conjf128, (cfloat128 x)) {
+ Complex<float128> x_c = cpp::bit_cast<Complex<float128>>(x);
+ return (x_c.real - x_c.imag * (cfloat128)1.0i);
+}
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LIBC_TYPES_HAS_CFLOAT128
diff --git a/libc/src/complex/generic/conjf16.cpp b/libc/src/complex/generic/conjf16.cpp
new file mode 100644
index 00000000000000..4c1ed0e60c1f2f
--- /dev/null
+++ b/libc/src/complex/generic/conjf16.cpp
@@ -0,0 +1,25 @@
+//===-- Implementation of conjf16 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/conjf16.h"
+#if defined(LIBC_TYPES_HAS_CFLOAT16)
+
+#include "src/__support/CPP/bit.h"
+#include "src/__support/common.h"
+#include "src/__support/complex_type.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(cfloat16, conjf16, (cfloat16 x)) {
+ Complex<float16> x_c = cpp::bit_cast<Complex<float16>>(x);
+ return (x_c.real - x_c.imag * (cfloat16)1.0i);
+}
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LIBC_TYPES_HAS_CFLOAT16
diff --git a/libc/src/complex/generic/conjl.cpp b/libc/src/complex/generic/conjl.cpp
new file mode 100644
index 00000000000000..9e49217551c0d8
--- /dev/null
+++ b/libc/src/complex/generic/conjl.cpp
@@ -0,0 +1,21 @@
+//===-- Implementation of conjl 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/conjl.h"
+#include "src/__support/CPP/bit.h"
+#include "src/__support/common.h"
+#include "src/__support/complex_type.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(_Complex long double, conjl, (_Complex long double x)) {
+ Complex<long double> x_c = cpp::bit_cast<Complex<long double>>(x);
+ return (x_c.real - x_c.imag * (_Complex long double)1.0i);
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/test/src/complex/CImagTest.h b/libc/test/src/complex/CImagTest.h
index 6d2f9350026691..31236f7bf9a0d5 100644
--- a/libc/test/src/complex/CImagTest.h
+++ b/libc/test/src/complex/CImagTest.h
@@ -38,9 +38,10 @@ class CImagTest : public LIBC_NAMESPACE::testing::FEnvSafeTest {
neg_min_denormal);
EXPECT_FP_EQ(func(CFPT(1241.112 + max_denormal * 1.0i)), max_denormal);
EXPECT_FP_EQ(func(CFPT(121.121 + zero * 1.0i)), zero);
- EXPECT_FP_EQ(func(CFPT(neg_zero + zero * 1.0i)), zero);
- EXPECT_FP_EQ(func(CFPT(neg_zero + neg_zero * 1.0i)), neg_zero);
- EXPECT_FP_EQ(func(CFPT(zero + neg_zero * 1.0i)), neg_zero);
+ EXPECT_FP_EQ(func(CFPT(0.0 + 0.0i)), 0.0);
+ EXPECT_FP_EQ(func(CFPT(-0.0 + 0.0i)), 0.0);
+ EXPECT_FP_EQ(func(CFPT(0.0 - 0.0i)), -0.0);
+ EXPECT_FP_EQ(func(CFPT(-0.0 - 0.0i)), -0.0);
}
void testRoundedNumbers(CImagFunc func) {
diff --git a/libc/test/src/complex/CMakeLists.txt b/libc/test/src/complex/CMakeLists.txt
index 8f49e6d79e1796..0c668d9e1e8b9c 100644
--- a/libc/test/src/complex/CMakeLists.txt
+++ b/libc/test/src/complex/CMakeLists.txt
@@ -1,5 +1,65 @@
add_custom_target(libc-complex-unittests)
+add_libc_test(
+ conj_test
+ SUITE
+ libc-complex-unittests
+ SRCS
+ conj_test.cpp
+ DEPENDS
+ libc.src.complex.conj
+ LINK_LIBRARIES
+ LibcFPTestHelpers
+)
+
+add_libc_test(
+ conjf_test
+ SUITE
+ libc-complex-unittests
+ SRCS
+ conjf_test.cpp
+ DEPENDS
+ libc.src.complex.conjf
+ LINK_LIBRARIES
+ LibcFPTestHelpers
+)
+
+add_libc_test(
+ conjl_test
+ SUITE
+ libc-complex-unittests
+ SRCS
+ conjl_test.cpp
+ DEPENDS
+ libc.src.complex.conjl
+ LINK_LIBRARIES
+ LibcFPTestHelpers
+)
+
+add_libc_test(
+ conjf16_test
+ SUITE
+ libc-complex-unittests
+ SRCS
+ conjf16_test.cpp
+ DEPENDS
+ libc.src.complex.conjf16
+ LINK_LIBRARIES
+ LibcFPTestHelpers
+)
+
+add_libc_test(
+ conjf128_test
+ SUITE
+ libc-complex-unittests
+ SRCS
+ conjf128_test.cpp
+ DEPENDS
+ libc.src.complex.conjf128
+ LINK_LIBRARIES
+ LibcFPTestHelpers
+)
+
add_libc_test(
creal_test
SUITE
diff --git a/libc/test/src/complex/CRealTest.h b/libc/test/src/complex/CRealTest.h
index a25555b506e225..9f1aed0fddfee1 100644
--- a/libc/test/src/complex/CRealTest.h
+++ b/libc/test/src/complex/CRealTest.h
@@ -37,8 +37,10 @@ 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 + neg_zero * 1.0i)), neg_zero);
- EXPECT_FP_EQ(func(CFPT(neg_zero + zero * 1.0i)), zero);
+ EXPECT_FP_EQ(func(CFPT(0.0 + 0.0i)), 0.0);
+ EXPECT_FP_EQ(func(CFPT(-0.0 + 0.0i)), 0.0);
+ EXPECT_FP_EQ(func(CFPT(0.0 - 0.0i)), 0.0);
+ EXPECT_FP_EQ(func(CFPT(-0.0 - 0.0i)), -0.0);
}
void testRoundedNumbers(CRealFunc func) {
diff --git a/libc/test/src/complex/ConjTest.h b/libc/test/src/complex/ConjTest.h
new file mode 100644
index 00000000000000..2257f44909e6b9
--- /dev/null
+++ b/libc/test/src/complex/ConjTest.h
@@ -0,0 +1,123 @@
+//===-- Utility class to test different flavors of conj ---------*- 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
+//
+//===-------------...
[truncated]
``````````
</details>
https://github.com/llvm/llvm-project/pull/118671
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