From 454d63777aff1d32029d65d14f744fb4ecd815e5 Mon Sep 17 00:00:00 2001
From: Tue Ly <lntue.h@gmail.com>
Date: Mon, 14 Oct 2024 17:00:17 +0000
Subject: [PATCH] [libc][math] Fix issignaling macro usage in the
 implementation.

---
 libc/src/__support/FPUtil/BasicOperations.h | 3 ++-
 libc/src/math/generic/issignaling.cpp       | 2 +-
 libc/src/math/generic/issignalingf.cpp      | 2 +-
 libc/src/math/generic/issignalingf128.cpp   | 2 +-
 libc/src/math/generic/issignalingf16.cpp    | 2 +-
 libc/src/math/generic/issignalingl.cpp      | 2 +-
 6 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/libc/src/__support/FPUtil/BasicOperations.h b/libc/src/__support/FPUtil/BasicOperations.h
index a69bca6acc512..2357b053b60b8 100644
--- a/libc/src/__support/FPUtil/BasicOperations.h
+++ b/libc/src/__support/FPUtil/BasicOperations.h
@@ -247,8 +247,9 @@ LIBC_INLINE T fdim(T x, T y) {
   return (x > y ? x - y : 0);
 }
 
+// Avoid reusing `issignaling` macro.
 template <typename T, cpp::enable_if_t<cpp::is_floating_point_v<T>, int> = 0>
-LIBC_INLINE int issignaling(const T &x) {
+LIBC_INLINE int issignaling_impl(const T &x) {
   FPBits<T> sx(x);
   return sx.is_signaling_nan();
 }
diff --git a/libc/src/math/generic/issignaling.cpp b/libc/src/math/generic/issignaling.cpp
index 0687a32817b29..657be5ec50156 100644
--- a/libc/src/math/generic/issignaling.cpp
+++ b/libc/src/math/generic/issignaling.cpp
@@ -14,7 +14,7 @@
 namespace LIBC_NAMESPACE_DECL {
 
 LLVM_LIBC_FUNCTION(int, issignaling, (double x)) {
-  return fputil::issignaling(x);
+  return fputil::issignaling_impl(x);
 }
 
 } // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/generic/issignalingf.cpp b/libc/src/math/generic/issignalingf.cpp
index 410bf7b4d4278..8a8003a2609dc 100644
--- a/libc/src/math/generic/issignalingf.cpp
+++ b/libc/src/math/generic/issignalingf.cpp
@@ -14,7 +14,7 @@
 namespace LIBC_NAMESPACE_DECL {
 
 LLVM_LIBC_FUNCTION(int, issignalingf, (float x)) {
-  return fputil::issignaling(x);
+  return fputil::issignaling_impl(x);
 }
 
 } // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/generic/issignalingf128.cpp b/libc/src/math/generic/issignalingf128.cpp
index 29612ccf677f6..adf0ebac85bd0 100644
--- a/libc/src/math/generic/issignalingf128.cpp
+++ b/libc/src/math/generic/issignalingf128.cpp
@@ -14,7 +14,7 @@
 namespace LIBC_NAMESPACE_DECL {
 
 LLVM_LIBC_FUNCTION(int, issignalingf128, (float128 x)) {
-  return fputil::issignaling(x);
+  return fputil::issignaling_impl(x);
 }
 
 } // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/generic/issignalingf16.cpp b/libc/src/math/generic/issignalingf16.cpp
index 976b8e2b689b3..68a771e7f898b 100644
--- a/libc/src/math/generic/issignalingf16.cpp
+++ b/libc/src/math/generic/issignalingf16.cpp
@@ -14,7 +14,7 @@
 namespace LIBC_NAMESPACE_DECL {
 
 LLVM_LIBC_FUNCTION(int, issignalingf16, (float16 x)) {
-  return fputil::issignaling(x);
+  return fputil::issignaling_impl(x);
 }
 
 } // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/generic/issignalingl.cpp b/libc/src/math/generic/issignalingl.cpp
index a3959bcae2357..b993c5559461e 100644
--- a/libc/src/math/generic/issignalingl.cpp
+++ b/libc/src/math/generic/issignalingl.cpp
@@ -14,7 +14,7 @@
 namespace LIBC_NAMESPACE_DECL {
 
 LLVM_LIBC_FUNCTION(int, issignalingl, (long double x)) {
-  return fputil::issignaling(x);
+  return fputil::issignaling_impl(x);
 }
 
 } // namespace LIBC_NAMESPACE_DECL