diff --git a/libc/src/__support/CMakeLists.txt b/libc/src/__support/CMakeLists.txt
index 4c1f271e1df43..7b1820d9bf353 100644
--- a/libc/src/__support/CMakeLists.txt
+++ b/libc/src/__support/CMakeLists.txt
@@ -41,6 +41,14 @@ add_header_library(
     libc.src.__support.macros.config
 )
 
+add_header_library(
+  sign
+  HDRS
+    sign.h
+  DEPENDS
+    libc.src.__support.macros.attributes
+)
+
 add_header_library(
   error_or
   HDRS
diff --git a/libc/src/__support/FPUtil/CMakeLists.txt b/libc/src/__support/FPUtil/CMakeLists.txt
index f1c6fba22856d..4ded70a675ea8 100644
--- a/libc/src/__support/FPUtil/CMakeLists.txt
+++ b/libc/src/__support/FPUtil/CMakeLists.txt
@@ -35,6 +35,7 @@ add_header_library(
     libc.src.__support.macros.attributes
     libc.src.__support.macros.properties.types
     libc.src.__support.math_extras
+    libc.src.__support.sign
     libc.src.__support.uint128
 )
 
diff --git a/libc/src/__support/FPUtil/FPBits.h b/libc/src/__support/FPUtil/FPBits.h
index b06b3f7b73959..155bff2f55810 100644
--- a/libc/src/__support/FPUtil/FPBits.h
+++ b/libc/src/__support/FPUtil/FPBits.h
@@ -17,6 +17,7 @@
 #include "src/__support/macros/attributes.h" // LIBC_INLINE, LIBC_INLINE_VAR
 #include "src/__support/macros/properties/types.h" // LIBC_TYPES_HAS_FLOAT128
 #include "src/__support/math_extras.h"             // mask_trailing_ones
+#include "src/__support/sign.h"                    // Sign
 
 #include <stdint.h>
 
@@ -32,32 +33,6 @@ enum class FPType {
   X86_Binary80,
 };
 
-// A type to interact with floating point type signs.
-// This may be moved outside of 'fputil' if useful.
-struct Sign {
-  LIBC_INLINE constexpr bool is_pos() const { return !is_negative; }
-  LIBC_INLINE constexpr bool is_neg() const { return is_negative; }
-
-  LIBC_INLINE friend constexpr bool operator==(Sign a, Sign b) {
-    return a.is_negative == b.is_negative;
-  }
-  LIBC_INLINE friend constexpr bool operator!=(Sign a, Sign b) {
-    return !(a == b);
-  }
-
-  static const Sign POS;
-  static const Sign NEG;
-
-private:
-  LIBC_INLINE constexpr explicit Sign(bool is_negative)
-      : is_negative(is_negative) {}
-
-  bool is_negative;
-};
-
-LIBC_INLINE_VAR constexpr Sign Sign::NEG = Sign(true);
-LIBC_INLINE_VAR constexpr Sign Sign::POS = Sign(false);
-
 // The classes hierarchy is as follows:
 //
 //             ┌───────────────────┐
diff --git a/libc/src/__support/FPUtil/fpbits_str.h b/libc/src/__support/FPUtil/fpbits_str.h
index 212265bb9ad4a..97689867da4de 100644
--- a/libc/src/__support/FPUtil/fpbits_str.h
+++ b/libc/src/__support/FPUtil/fpbits_str.h
@@ -35,7 +35,6 @@ using ZeroPaddedHexFmt = IntegerToString<
 //    floating encoding.
 template <typename T> LIBC_INLINE cpp::string str(fputil::FPBits<T> x) {
   using StorageType = typename fputil::FPBits<T>::StorageType;
-  using Sign = fputil::Sign;
 
   if (x.is_nan())
     return "(NaN)";
diff --git a/libc/src/__support/sign.h b/libc/src/__support/sign.h
new file mode 100644
index 0000000000000..28cfae4bab1de
--- /dev/null
+++ b/libc/src/__support/sign.h
@@ -0,0 +1,40 @@
+//===-- A simple sign type --------------------------------------*- 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_SIGN_H
+#define LLVM_LIBC_SRC___SUPPORT_SIGN_H
+
+#include "src/__support/macros/attributes.h" // LIBC_INLINE, LIBC_INLINE_VAR
+
+// A type to interact with signed arithmetic types.
+struct Sign {
+  LIBC_INLINE constexpr bool is_pos() const { return !is_negative; }
+  LIBC_INLINE constexpr bool is_neg() const { return is_negative; }
+
+  LIBC_INLINE friend constexpr bool operator==(Sign a, Sign b) {
+    return a.is_negative == b.is_negative;
+  }
+
+  LIBC_INLINE friend constexpr bool operator!=(Sign a, Sign b) {
+    return !(a == b);
+  }
+
+  static const Sign POS;
+  static const Sign NEG;
+
+private:
+  LIBC_INLINE constexpr explicit Sign(bool is_negative)
+      : is_negative(is_negative) {}
+
+  bool is_negative;
+};
+
+LIBC_INLINE_VAR constexpr Sign Sign::NEG = Sign(true);
+LIBC_INLINE_VAR constexpr Sign Sign::POS = Sign(false);
+
+#endif // LLVM_LIBC_SRC___SUPPORT_SIGN_H
diff --git a/libc/src/__support/str_to_float.h b/libc/src/__support/str_to_float.h
index 2cf2cfb027243..f622b7edaa8a7 100644
--- a/libc/src/__support/str_to_float.h
+++ b/libc/src/__support/str_to_float.h
@@ -513,7 +513,6 @@ clinger_fast_path(ExpandedFloat<T> init_num,
                   RoundDirection round = RoundDirection::Nearest) {
   using FPBits = typename fputil::FPBits<T>;
   using StorageType = typename FPBits::StorageType;
-  using Sign = fputil::Sign;
 
   StorageType mantissa = init_num.mantissa;
   int32_t exp10 = init_num.exponent;
@@ -1085,7 +1084,6 @@ template <class T>
 LIBC_INLINE StrToNumResult<T> strtofloatingpoint(const char *__restrict src) {
   using FPBits = typename fputil::FPBits<T>;
   using StorageType = typename FPBits::StorageType;
-  using Sign = fputil::Sign;
 
   FPBits result = FPBits();
   bool seen_digit = false;
@@ -1223,7 +1221,7 @@ template <class T> LIBC_INLINE StrToNumResult<T> strtonan(const char *arg) {
   if (arg[index] == '\0')
     nan_mantissa = nan_mantissa_from_ncharseq<T>(cpp::string_view(arg, index));
 
-  result = FPBits::quiet_nan(fputil::Sign::POS, nan_mantissa);
+  result = FPBits::quiet_nan(Sign::POS, nan_mantissa);
   return {result.get_val(), 0, error};
 }
 
diff --git a/libc/src/math/generic/acosf.cpp b/libc/src/math/generic/acosf.cpp
index 0c1fdbc686930..e6e28d43ef61f 100644
--- a/libc/src/math/generic/acosf.cpp
+++ b/libc/src/math/generic/acosf.cpp
@@ -38,7 +38,7 @@ static constexpr fputil::ExceptValues<float, N_EXCEPTS> ACOSF_EXCEPTS = {{
 
 LLVM_LIBC_FUNCTION(float, acosf, (float x)) {
   using FPBits = typename fputil::FPBits<float>;
-  using Sign = fputil::Sign;
+
   FPBits xbits(x);
   uint32_t x_uint = xbits.uintval();
   uint32_t x_abs = xbits.uintval() & 0x7fff'ffffU;
diff --git a/libc/src/math/generic/asinf.cpp b/libc/src/math/generic/asinf.cpp
index 6e3a27238ac99..d9133333d2561 100644
--- a/libc/src/math/generic/asinf.cpp
+++ b/libc/src/math/generic/asinf.cpp
@@ -44,7 +44,7 @@ static constexpr fputil::ExceptValues<float, N_EXCEPTS> ASINF_EXCEPTS_HI = {{
 
 LLVM_LIBC_FUNCTION(float, asinf, (float x)) {
   using FPBits = typename fputil::FPBits<float>;
-  using Sign = fputil::Sign;
+
   FPBits xbits(x);
   uint32_t x_uint = xbits.uintval();
   uint32_t x_abs = xbits.uintval() & 0x7fff'ffffU;
diff --git a/libc/src/math/generic/atanf.cpp b/libc/src/math/generic/atanf.cpp
index 5f66ea52d0d7a..4adda429cc041 100644
--- a/libc/src/math/generic/atanf.cpp
+++ b/libc/src/math/generic/atanf.cpp
@@ -20,7 +20,6 @@ namespace LIBC_NAMESPACE {
 
 LLVM_LIBC_FUNCTION(float, atanf, (float x)) {
   using FPBits = typename fputil::FPBits<float>;
-  using Sign = fputil::Sign;
 
   constexpr double FINAL_SIGN[2] = {1.0, -1.0};
   constexpr double SIGNED_PI_OVER_2[2] = {0x1.921fb54442d18p0,
diff --git a/libc/src/math/generic/atanhf.cpp b/libc/src/math/generic/atanhf.cpp
index fe2c36494a72f..97fd1b2336006 100644
--- a/libc/src/math/generic/atanhf.cpp
+++ b/libc/src/math/generic/atanhf.cpp
@@ -15,7 +15,7 @@ namespace LIBC_NAMESPACE {
 
 LLVM_LIBC_FUNCTION(float, atanhf, (float x)) {
   using FPBits = typename fputil::FPBits<float>;
-  using Sign = fputil::Sign;
+
   FPBits xbits(x);
   Sign sign = xbits.sign();
   uint32_t x_abs = xbits.abs().uintval();
diff --git a/libc/src/math/generic/cosf.cpp b/libc/src/math/generic/cosf.cpp
index d59304933d60d..180a44e947eaf 100644
--- a/libc/src/math/generic/cosf.cpp
+++ b/libc/src/math/generic/cosf.cpp
@@ -42,7 +42,7 @@ static constexpr fputil::ExceptValues<float, N_EXCEPTS> COSF_EXCEPTS{{
 
 LLVM_LIBC_FUNCTION(float, cosf, (float x)) {
   using FPBits = typename fputil::FPBits<float>;
-  using Sign = fputil::Sign;
+
   FPBits xbits(x);
   xbits.set_sign(Sign::POS);
 
diff --git a/libc/src/math/generic/coshf.cpp b/libc/src/math/generic/coshf.cpp
index a618056a64dc8..a8ea324c95052 100644
--- a/libc/src/math/generic/coshf.cpp
+++ b/libc/src/math/generic/coshf.cpp
@@ -17,7 +17,7 @@ namespace LIBC_NAMESPACE {
 
 LLVM_LIBC_FUNCTION(float, coshf, (float x)) {
   using FPBits = typename fputil::FPBits<float>;
-  using Sign = fputil::Sign;
+
   FPBits xbits(x);
   xbits.set_sign(Sign::POS);
   x = xbits.get_val();
diff --git a/libc/src/math/generic/exp.cpp b/libc/src/math/generic/exp.cpp
index 42a4491131a04..3d060bcbd3be3 100644
--- a/libc/src/math/generic/exp.cpp
+++ b/libc/src/math/generic/exp.cpp
@@ -31,7 +31,7 @@ namespace LIBC_NAMESPACE {
 using fputil::DoubleDouble;
 using fputil::TripleDouble;
 using Float128 = typename fputil::DyadicFloat<128>;
-using Sign = fputil::Sign;
+
 using LIBC_NAMESPACE::operator""_u128;
 
 // log2(e)
diff --git a/libc/src/math/generic/exp10.cpp b/libc/src/math/generic/exp10.cpp
index 72ece66976568..a4ae41407112b 100644
--- a/libc/src/math/generic/exp10.cpp
+++ b/libc/src/math/generic/exp10.cpp
@@ -31,7 +31,7 @@ namespace LIBC_NAMESPACE {
 using fputil::DoubleDouble;
 using fputil::TripleDouble;
 using Float128 = typename fputil::DyadicFloat<128>;
-using Sign = fputil::Sign;
+
 using LIBC_NAMESPACE::operator""_u128;
 
 // log2(10)
diff --git a/libc/src/math/generic/exp2.cpp b/libc/src/math/generic/exp2.cpp
index 83f545eb116bd..1a2fa3feb83e5 100644
--- a/libc/src/math/generic/exp2.cpp
+++ b/libc/src/math/generic/exp2.cpp
@@ -31,7 +31,7 @@ namespace LIBC_NAMESPACE {
 using fputil::DoubleDouble;
 using fputil::TripleDouble;
 using Float128 = typename fputil::DyadicFloat<128>;
-using Sign = fputil::Sign;
+
 using LIBC_NAMESPACE::operator""_u128;
 
 // Error bounds:
diff --git a/libc/src/math/generic/expm1.cpp b/libc/src/math/generic/expm1.cpp
index 9f14a8c2068ec..574c4b9aaf39f 100644
--- a/libc/src/math/generic/expm1.cpp
+++ b/libc/src/math/generic/expm1.cpp
@@ -39,7 +39,7 @@ namespace LIBC_NAMESPACE {
 using fputil::DoubleDouble;
 using fputil::TripleDouble;
 using Float128 = typename fputil::DyadicFloat<128>;
-using Sign = fputil::Sign;
+
 using LIBC_NAMESPACE::operator""_u128;
 
 // log2(e)
@@ -276,7 +276,7 @@ double set_exceptional(double x) {
 
 LLVM_LIBC_FUNCTION(double, expm1, (double x)) {
   using FPBits = typename fputil::FPBits<double>;
-  using Sign = fputil::Sign;
+
   FPBits xbits(x);
 
   bool x_is_neg = xbits.is_neg();
diff --git a/libc/src/math/generic/log.cpp b/libc/src/math/generic/log.cpp
index 339e0297560f7..6de0d90be80e1 100644
--- a/libc/src/math/generic/log.cpp
+++ b/libc/src/math/generic/log.cpp
@@ -24,7 +24,7 @@ namespace LIBC_NAMESPACE {
 
 // 128-bit precision dyadic floating point numbers.
 using Float128 = typename fputil::DyadicFloat<128>;
-using Sign = fputil::Sign;
+
 using LIBC_NAMESPACE::operator""_u128;
 
 namespace {
@@ -735,7 +735,7 @@ double log_accurate(int e_x, int index, double m_x) {
 
 LLVM_LIBC_FUNCTION(double, log, (double x)) {
   using FPBits_t = typename fputil::FPBits<double>;
-  using Sign = fputil::Sign;
+
   FPBits_t xbits(x);
   uint64_t x_u = xbits.uintval();
 
diff --git a/libc/src/math/generic/log10.cpp b/libc/src/math/generic/log10.cpp
index c690ca2870407..fb839c111e6a0 100644
--- a/libc/src/math/generic/log10.cpp
+++ b/libc/src/math/generic/log10.cpp
@@ -24,7 +24,7 @@ namespace LIBC_NAMESPACE {
 
 // 128-bit precision dyadic floating point numbers.
 using Float128 = typename fputil::DyadicFloat<128>;
-using Sign = fputil::Sign;
+
 using LIBC_NAMESPACE::operator""_u128;
 
 namespace {
@@ -737,7 +737,7 @@ double log10_accurate(int e_x, int index, double m_x) {
 
 LLVM_LIBC_FUNCTION(double, log10, (double x)) {
   using FPBits_t = typename fputil::FPBits<double>;
-  using Sign = fputil::Sign;
+
   FPBits_t xbits(x);
   uint64_t x_u = xbits.uintval();
 
diff --git a/libc/src/math/generic/log10f.cpp b/libc/src/math/generic/log10f.cpp
index 0216bb2133f1b..1b6979d4414a9 100644
--- a/libc/src/math/generic/log10f.cpp
+++ b/libc/src/math/generic/log10f.cpp
@@ -106,7 +106,7 @@ LLVM_LIBC_FUNCTION(float, log10f, (float x)) {
   constexpr double LOG10_2 = 0x1.34413509f79ffp-2;
 
   using FPBits = typename fputil::FPBits<float>;
-  using Sign = fputil::Sign;
+
   FPBits xbits(x);
   uint32_t x_u = xbits.uintval();
 
diff --git a/libc/src/math/generic/log1p.cpp b/libc/src/math/generic/log1p.cpp
index 26bb4d369278a..83bd753cde5da 100644
--- a/libc/src/math/generic/log1p.cpp
+++ b/libc/src/math/generic/log1p.cpp
@@ -23,7 +23,7 @@ namespace LIBC_NAMESPACE {
 
 // 128-bit precision dyadic floating point numbers.
 using Float128 = typename fputil::DyadicFloat<128>;
-using Sign = fputil::Sign;
+
 using LIBC_NAMESPACE::operator""_u128;
 
 namespace {
@@ -877,7 +877,7 @@ LIBC_INLINE double log1p_accurate(int e_x, int index,
 
 LLVM_LIBC_FUNCTION(double, log1p, (double x)) {
   using FPBits_t = typename fputil::FPBits<double>;
-  using Sign = fputil::Sign;
+
   constexpr int EXP_BIAS = FPBits_t::EXP_BIAS;
   constexpr int FRACTION_LEN = FPBits_t::FRACTION_LEN;
   constexpr uint64_t FRACTION_MASK = FPBits_t::FRACTION_MASK;
diff --git a/libc/src/math/generic/log1pf.cpp b/libc/src/math/generic/log1pf.cpp
index 28426a88e6490..e3c7d95418b1f 100644
--- a/libc/src/math/generic/log1pf.cpp
+++ b/libc/src/math/generic/log1pf.cpp
@@ -106,7 +106,7 @@ LLVM_LIBC_FUNCTION(float, log1pf, (float x)) {
     case 0xbf800000U: // x = -1.0
       fputil::set_errno_if_required(ERANGE);
       fputil::raise_except_if_required(FE_DIVBYZERO);
-      return FPBits::inf(fputil::Sign::NEG).get_val();
+      return FPBits::inf(Sign::NEG).get_val();
 #ifndef LIBC_TARGET_CPU_HAS_FMA
     case 0x4cc1c80bU: // x = 0x1.839016p+26f
       return fputil::round_result_slightly_down(0x1.26fc04p+4f);
diff --git a/libc/src/math/generic/log2.cpp b/libc/src/math/generic/log2.cpp
index 648850b80b046..c68bc60e8468b 100644
--- a/libc/src/math/generic/log2.cpp
+++ b/libc/src/math/generic/log2.cpp
@@ -24,7 +24,7 @@ namespace LIBC_NAMESPACE {
 
 // 128-bit precision dyadic floating point numbers.
 using Float128 = typename fputil::DyadicFloat<128>;
-using Sign = fputil::Sign;
+
 using LIBC_NAMESPACE::operator""_u128;
 
 namespace {
@@ -857,7 +857,7 @@ double log2_accurate(int e_x, int index, double m_x) {
 
 LLVM_LIBC_FUNCTION(double, log2, (double x)) {
   using FPBits_t = typename fputil::FPBits<double>;
-  using Sign = fputil::Sign;
+
   FPBits_t xbits(x);
   uint64_t x_u = xbits.uintval();
 
diff --git a/libc/src/math/generic/log2f.cpp b/libc/src/math/generic/log2f.cpp
index 8651316d282ca..c9f7b2121519d 100644
--- a/libc/src/math/generic/log2f.cpp
+++ b/libc/src/math/generic/log2f.cpp
@@ -55,7 +55,7 @@ namespace LIBC_NAMESPACE {
 
 LLVM_LIBC_FUNCTION(float, log2f, (float x)) {
   using FPBits = typename fputil::FPBits<float>;
-  using Sign = fputil::Sign;
+
   FPBits xbits(x);
   uint32_t x_u = xbits.uintval();
 
diff --git a/libc/src/math/generic/log_range_reduction.h b/libc/src/math/generic/log_range_reduction.h
index 8c9b7d2eabebe..64c0fc3aa4f53 100644
--- a/libc/src/math/generic/log_range_reduction.h
+++ b/libc/src/math/generic/log_range_reduction.h
@@ -37,7 +37,6 @@ log_range_reduction(double m_x, const LogRR &log_table,
                     fputil::DyadicFloat<128> &sum) {
   using Float128 = typename fputil::DyadicFloat<128>;
   using MType = typename Float128::MantissaType;
-  using Sign = fputil::Sign;
 
   int64_t v = static_cast<int64_t>(m_x * 0x1.0p60); // ulp = 2^-60
 
diff --git a/libc/src/math/generic/logf.cpp b/libc/src/math/generic/logf.cpp
index 49d258ecc1334..5296ba6bc13cf 100644
--- a/libc/src/math/generic/logf.cpp
+++ b/libc/src/math/generic/logf.cpp
@@ -54,7 +54,7 @@ namespace LIBC_NAMESPACE {
 LLVM_LIBC_FUNCTION(float, logf, (float x)) {
   constexpr double LOG_2 = 0x1.62e42fefa39efp-1;
   using FPBits = typename fputil::FPBits<float>;
-  using Sign = fputil::Sign;
+
   FPBits xbits(x);
   uint32_t x_u = xbits.uintval();
 
diff --git a/libc/src/math/generic/powf.cpp b/libc/src/math/generic/powf.cpp
index 2c666bab6d628..0450ffd711fff 100644
--- a/libc/src/math/generic/powf.cpp
+++ b/libc/src/math/generic/powf.cpp
@@ -424,7 +424,7 @@ LIBC_INLINE bool larger_exponent(double a, double b) {
 double powf_double_double(int idx_x, double dx, double y6, double lo6_hi,
                           const DoubleDouble &exp2_hi_mid) {
   using DoubleBits = typename fputil::FPBits<double>;
-  using Sign = fputil::Sign;
+
   // Perform a second range reduction step:
   //   idx2 = round(2^14 * (dx  + 2^-8)) = round ( dx * 2^14 + 2^6)
   //   dx2 = (1 + dx) * r2 - 1
@@ -513,7 +513,7 @@ double powf_double_double(int idx_x, double dx, double y6, double lo6_hi,
 LLVM_LIBC_FUNCTION(float, powf, (float x, float y)) {
   using FloatBits = typename fputil::FPBits<float>;
   using DoubleBits = typename fputil::FPBits<double>;
-  using Sign = fputil::Sign;
+
   FloatBits xbits(x), ybits(y);
 
   uint32_t x_u = xbits.uintval();
diff --git a/libc/src/stdio/printf_core/float_dec_converter.h b/libc/src/stdio/printf_core/float_dec_converter.h
index 5270fc9de037a..c4e8aaa2f0e2e 100644
--- a/libc/src/stdio/printf_core/float_dec_converter.h
+++ b/libc/src/stdio/printf_core/float_dec_converter.h
@@ -48,7 +48,7 @@ constexpr uint32_t MAX_BLOCK = 999999999;
 constexpr char DECIMAL_POINT = '.';
 
 LIBC_INLINE RoundDirection get_round_direction(int last_digit, bool truncated,
-                                               fputil::Sign sign) {
+                                               Sign sign) {
   switch (fputil::quick_get_round()) {
   case FE_TONEAREST:
     // Round to nearest, if it's exactly halfway then round to even.
diff --git a/libc/test/UnitTest/FPMatcher.h b/libc/test/UnitTest/FPMatcher.h
index 43000efa09a39..ee618a623efe1 100644
--- a/libc/test/UnitTest/FPMatcher.h
+++ b/libc/test/UnitTest/FPMatcher.h
@@ -63,7 +63,6 @@ template <TestCond C, typename T> FPMatcher<T, C> getMatcher(T expectedValue) {
 template <typename T> struct FPTest : public Test {
   using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;
   using StorageType = typename FPBits::StorageType;
-  using Sign = LIBC_NAMESPACE::fputil::Sign;
   static constexpr StorageType STORAGE_MAX =
       LIBC_NAMESPACE::cpp::numeric_limits<StorageType>::max();
   static constexpr T zero = FPBits::zero(Sign::POS).get_val();
@@ -92,7 +91,7 @@ template <typename T> struct FPTest : public Test {
 #define DECLARE_SPECIAL_CONSTANTS(T)                                           \
   using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;                            \
   using StorageType = typename FPBits::StorageType;                            \
-  using Sign = LIBC_NAMESPACE::fputil::Sign;                                   \
+                                                                               \
   static constexpr StorageType STORAGE_MAX =                                   \
       LIBC_NAMESPACE::cpp::numeric_limits<StorageType>::max();                 \
   const T zero = FPBits::zero(Sign::POS).get_val();                            \
diff --git a/libc/test/src/__support/FPUtil/CMakeLists.txt b/libc/test/src/__support/FPUtil/CMakeLists.txt
index f1a027a514ba2..1cbeec0cc4eb0 100644
--- a/libc/test/src/__support/FPUtil/CMakeLists.txt
+++ b/libc/test/src/__support/FPUtil/CMakeLists.txt
@@ -24,6 +24,7 @@ add_libc_test(
     libc.src.__support.FPUtil.fp_bits
     libc.src.__support.FPUtil.fpbits_str
     libc.src.__support.integer_literals
+    libc.src.__support.sign
 )
 
 add_fp_unittest(
diff --git a/libc/test/src/__support/FPUtil/dyadic_float_test.cpp b/libc/test/src/__support/FPUtil/dyadic_float_test.cpp
index 625aa70973b9f..5ee9aaad56382 100644
--- a/libc/test/src/__support/FPUtil/dyadic_float_test.cpp
+++ b/libc/test/src/__support/FPUtil/dyadic_float_test.cpp
@@ -15,7 +15,6 @@
 using Float128 = LIBC_NAMESPACE::fputil::DyadicFloat<128>;
 using Float192 = LIBC_NAMESPACE::fputil::DyadicFloat<192>;
 using Float256 = LIBC_NAMESPACE::fputil::DyadicFloat<256>;
-using Sign = LIBC_NAMESPACE::fputil::Sign;
 
 TEST(LlvmLibcDyadicFloatTest, BasicConversions) {
   Float128 x(Sign::POS, /*exponent*/ 0,
diff --git a/libc/test/src/__support/FPUtil/fpbits_test.cpp b/libc/test/src/__support/FPUtil/fpbits_test.cpp
index f5c27d4fc0302..af20b1a0bdc7e 100644
--- a/libc/test/src/__support/FPUtil/fpbits_test.cpp
+++ b/libc/test/src/__support/FPUtil/fpbits_test.cpp
@@ -9,11 +9,11 @@
 #include "src/__support/FPUtil/FPBits.h"
 #include "src/__support/FPUtil/fpbits_str.h"
 #include "src/__support/integer_literals.h"
+#include "src/__support/sign.h" // Sign
 #include "test/UnitTest/Test.h"
 
 using LIBC_NAMESPACE::fputil::FPBits;
 using LIBC_NAMESPACE::fputil::FPType;
-using LIBC_NAMESPACE::fputil::Sign;
 using LIBC_NAMESPACE::fputil::internal::FPRep;
 
 using LIBC_NAMESPACE::operator""_u16;
diff --git a/libc/test/src/math/FDimTest.h b/libc/test/src/math/FDimTest.h
index 76f0f18bbc68d..df8de91b42980 100644
--- a/libc/test/src/math/FDimTest.h
+++ b/libc/test/src/math/FDimTest.h
@@ -18,7 +18,6 @@ class FDimTestTemplate : public LIBC_NAMESPACE::testing::Test {
   using FuncPtr = T (*)(T, T);
   using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;
   using StorageType = typename FPBits::StorageType;
-  using Sign = LIBC_NAMESPACE::fputil::Sign;
 
   const T inf = FPBits::inf(Sign::POS).get_val();
   const T neg_inf = FPBits::inf(Sign::NEG).get_val();
diff --git a/libc/test/src/math/FmaTest.h b/libc/test/src/math/FmaTest.h
index 34c582c182421..0c93ec858a12c 100644
--- a/libc/test/src/math/FmaTest.h
+++ b/libc/test/src/math/FmaTest.h
@@ -23,7 +23,6 @@ class FmaTestTemplate : public LIBC_NAMESPACE::testing::Test {
   using Func = T (*)(T, T, T);
   using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;
   using StorageType = typename FPBits::StorageType;
-  using Sign = LIBC_NAMESPACE::fputil::Sign;
 
   const T min_subnormal = FPBits::min_subnormal(Sign::POS).get_val();
   const T min_normal = FPBits::min_normal(Sign::POS).get_val();
diff --git a/libc/test/src/math/HypotTest.h b/libc/test/src/math/HypotTest.h
index 46fcc462a2793..df69965d5dbce 100644
--- a/libc/test/src/math/HypotTest.h
+++ b/libc/test/src/math/HypotTest.h
@@ -23,7 +23,7 @@ class HypotTestTemplate : public LIBC_NAMESPACE::testing::Test {
 private:
   using Func = T (*)(T, T);
   using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;
-  using Sign = LIBC_NAMESPACE::fputil::Sign;
+
   using StorageType = typename FPBits::StorageType;
   const T nan = FPBits::quiet_nan().get_val();
   const T inf = FPBits::inf().get_val();
diff --git a/libc/test/src/math/ILogbTest.h b/libc/test/src/math/ILogbTest.h
index dcc9d554eb3c2..ad47b9bb3961f 100644
--- a/libc/test/src/math/ILogbTest.h
+++ b/libc/test/src/math/ILogbTest.h
@@ -24,7 +24,7 @@ class LlvmLibcILogbTest : public LIBC_NAMESPACE::testing::Test {
   template <typename T>
   void test_special_numbers(typename ILogbFunc<T>::Func func) {
     using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;
-    using Sign = LIBC_NAMESPACE::fputil::Sign;
+
     EXPECT_EQ(FP_ILOGB0, func(FPBits::zero(Sign::POS).get_val()));
     EXPECT_EQ(FP_ILOGB0, func(FPBits::zero(Sign::NEG).get_val()));
     EXPECT_EQ(FP_ILOGBNAN, func(FPBits::quiet_nan().get_val()));
diff --git a/libc/test/src/math/LdExpTest.h b/libc/test/src/math/LdExpTest.h
index 738135d6afe27..8bfd022973b44 100644
--- a/libc/test/src/math/LdExpTest.h
+++ b/libc/test/src/math/LdExpTest.h
@@ -23,7 +23,6 @@ class LdExpTestTemplate : public LIBC_NAMESPACE::testing::Test {
   using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;
   using NormalFloat = LIBC_NAMESPACE::fputil::NormalFloat<T>;
   using StorageType = typename FPBits::StorageType;
-  using Sign = LIBC_NAMESPACE::fputil::Sign;
 
   const T inf = FPBits::inf(Sign::POS).get_val();
   const T neg_inf = FPBits::inf(Sign::NEG).get_val();
diff --git a/libc/test/src/math/NextAfterTest.h b/libc/test/src/math/NextAfterTest.h
index d45d819bfdb6c..05803fb45ee27 100644
--- a/libc/test/src/math/NextAfterTest.h
+++ b/libc/test/src/math/NextAfterTest.h
@@ -21,7 +21,6 @@ template <typename T>
 class NextAfterTestTemplate : public LIBC_NAMESPACE::testing::Test {
   using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;
   using StorageType = typename FPBits::StorageType;
-  using Sign = LIBC_NAMESPACE::fputil::Sign;
 
   const T inf = FPBits::inf(Sign::POS).get_val();
   const T neg_inf = FPBits::inf(Sign::NEG).get_val();
diff --git a/libc/test/src/math/RIntTest.h b/libc/test/src/math/RIntTest.h
index d392d4fb14a2e..301655c64ed36 100644
--- a/libc/test/src/math/RIntTest.h
+++ b/libc/test/src/math/RIntTest.h
@@ -32,7 +32,6 @@ class RIntTestTemplate : public LIBC_NAMESPACE::testing::Test {
 private:
   using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;
   using StorageType = typename FPBits::StorageType;
-  using Sign = LIBC_NAMESPACE::fputil::Sign;
 
   const T inf = FPBits::inf(Sign::POS).get_val();
   const T neg_inf = FPBits::inf(Sign::NEG).get_val();
diff --git a/libc/test/src/math/RemQuoTest.h b/libc/test/src/math/RemQuoTest.h
index d61b97554199e..1cb8cdbe81a22 100644
--- a/libc/test/src/math/RemQuoTest.h
+++ b/libc/test/src/math/RemQuoTest.h
@@ -22,7 +22,6 @@ template <typename T>
 class RemQuoTestTemplate : public LIBC_NAMESPACE::testing::Test {
   using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;
   using StorageType = typename FPBits::StorageType;
-  using Sign = LIBC_NAMESPACE::fputil::Sign;
 
   const T inf = FPBits::inf(Sign::POS).get_val();
   const T neg_inf = FPBits::inf(Sign::NEG).get_val();
diff --git a/libc/test/src/math/RoundToIntegerTest.h b/libc/test/src/math/RoundToIntegerTest.h
index 017f5867fc8de..d2fabd0b4c9c3 100644
--- a/libc/test/src/math/RoundToIntegerTest.h
+++ b/libc/test/src/math/RoundToIntegerTest.h
@@ -31,7 +31,6 @@ class RoundToIntegerTestTemplate : public LIBC_NAMESPACE::testing::Test {
 private:
   using FPBits = LIBC_NAMESPACE::fputil::FPBits<F>;
   using StorageType = typename FPBits::StorageType;
-  using Sign = LIBC_NAMESPACE::fputil::Sign;
 
   const F zero = FPBits::zero().get_val();
   const F neg_zero = FPBits::zero(Sign::NEG).get_val();
diff --git a/libc/test/src/math/atanhf_test.cpp b/libc/test/src/math/atanhf_test.cpp
index 39c067f3e764c..c659f17d13b0a 100644
--- a/libc/test/src/math/atanhf_test.cpp
+++ b/libc/test/src/math/atanhf_test.cpp
@@ -22,7 +22,7 @@ using LlvmLibcAtanhfTest = LIBC_NAMESPACE::testing::FPTest<float>;
 namespace mpfr = LIBC_NAMESPACE::testing::mpfr;
 
 TEST_F(LlvmLibcAtanhfTest, SpecialNumbers) {
-  using Sign = LIBC_NAMESPACE::fputil::Sign;
+
   LIBC_NAMESPACE::libc_errno = 0;
   LIBC_NAMESPACE::fputil::clear_except(FE_ALL_EXCEPT);
   EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::atanhf(aNaN));
diff --git a/libc/test/src/math/smoke/FDimTest.h b/libc/test/src/math/smoke/FDimTest.h
index 5cb3dd1173484..e557b40d90efa 100644
--- a/libc/test/src/math/smoke/FDimTest.h
+++ b/libc/test/src/math/smoke/FDimTest.h
@@ -17,7 +17,6 @@ class FDimTestTemplate : public LIBC_NAMESPACE::testing::Test {
   using FuncPtr = T (*)(T, T);
   using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;
   using StorageType = typename FPBits::StorageType;
-  using Sign = LIBC_NAMESPACE::fputil::Sign;
 
   const T inf = FPBits::inf(Sign::POS).get_val();
   const T neg_inf = FPBits::inf(Sign::NEG).get_val();
diff --git a/libc/test/src/math/smoke/FmaTest.h b/libc/test/src/math/smoke/FmaTest.h
index d04f648c2d7dd..c66035927d989 100644
--- a/libc/test/src/math/smoke/FmaTest.h
+++ b/libc/test/src/math/smoke/FmaTest.h
@@ -19,7 +19,6 @@ class FmaTestTemplate : public LIBC_NAMESPACE::testing::Test {
   using Func = T (*)(T, T, T);
   using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;
   using StorageType = typename FPBits::StorageType;
-  using Sign = LIBC_NAMESPACE::fputil::Sign;
 
   const T inf = FPBits::inf(Sign::POS).get_val();
   const T neg_inf = FPBits::inf(Sign::NEG).get_val();
diff --git a/libc/test/src/math/smoke/HypotTest.h b/libc/test/src/math/smoke/HypotTest.h
index 43499267b7113..80816033f28fe 100644
--- a/libc/test/src/math/smoke/HypotTest.h
+++ b/libc/test/src/math/smoke/HypotTest.h
@@ -21,7 +21,7 @@ class HypotTestTemplate : public LIBC_NAMESPACE::testing::Test {
   using Func = T (*)(T, T);
   using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;
   using StorageType = typename FPBits::StorageType;
-  using Sign = LIBC_NAMESPACE::fputil::Sign;
+
   const T nan = FPBits::quiet_nan().get_val();
   const T inf = FPBits::inf(Sign::POS).get_val();
   const T neg_inf = FPBits::inf(Sign::NEG).get_val();
diff --git a/libc/test/src/math/smoke/ILogbTest.h b/libc/test/src/math/smoke/ILogbTest.h
index cbee25b139d48..bb5bc33b6b3a6 100644
--- a/libc/test/src/math/smoke/ILogbTest.h
+++ b/libc/test/src/math/smoke/ILogbTest.h
@@ -18,7 +18,6 @@ template <typename OutType, typename InType>
 class LlvmLibcILogbTest : public LIBC_NAMESPACE::testing::Test {
   using FPBits = LIBC_NAMESPACE::fputil::FPBits<InType>;
   using StorageType = typename FPBits::StorageType;
-  using Sign = LIBC_NAMESPACE::fputil::Sign;
 
 public:
   typedef OutType (*Func)(InType);
diff --git a/libc/test/src/math/smoke/LdExpTest.h b/libc/test/src/math/smoke/LdExpTest.h
index 7d17071f5b309..c3e852a2a473b 100644
--- a/libc/test/src/math/smoke/LdExpTest.h
+++ b/libc/test/src/math/smoke/LdExpTest.h
@@ -22,7 +22,6 @@ class LdExpTestTemplate : public LIBC_NAMESPACE::testing::Test {
   using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;
   using NormalFloat = LIBC_NAMESPACE::fputil::NormalFloat<T>;
   using StorageType = typename FPBits::StorageType;
-  using Sign = LIBC_NAMESPACE::fputil::Sign;
 
   const T inf = FPBits::inf(Sign::POS).get_val();
   const T neg_inf = FPBits::inf(Sign::NEG).get_val();
diff --git a/libc/test/src/math/smoke/NextAfterTest.h b/libc/test/src/math/smoke/NextAfterTest.h
index 23b3b15347407..403ea6bd8df68 100644
--- a/libc/test/src/math/smoke/NextAfterTest.h
+++ b/libc/test/src/math/smoke/NextAfterTest.h
@@ -32,7 +32,6 @@ template <typename T>
 class NextAfterTestTemplate : public LIBC_NAMESPACE::testing::Test {
   using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;
   using StorageType = typename FPBits::StorageType;
-  using Sign = LIBC_NAMESPACE::fputil::Sign;
 
   const T inf = FPBits::inf(Sign::POS).get_val();
   const T neg_inf = FPBits::inf(Sign::NEG).get_val();
diff --git a/libc/test/src/math/smoke/NextTowardTest.h b/libc/test/src/math/smoke/NextTowardTest.h
index caf98262c5d15..0c2abf815c239 100644
--- a/libc/test/src/math/smoke/NextTowardTest.h
+++ b/libc/test/src/math/smoke/NextTowardTest.h
@@ -34,7 +34,6 @@ class NextTowardTestTemplate : public LIBC_NAMESPACE::testing::Test {
   using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;
   using ToFPBits = LIBC_NAMESPACE::fputil::FPBits<long double>;
   using StorageType = typename FPBits::StorageType;
-  using Sign = LIBC_NAMESPACE::fputil::Sign;
 
   const T inf = FPBits::inf(Sign::POS).get_val();
   const T neg_inf = FPBits::inf(Sign::NEG).get_val();
diff --git a/libc/test/src/math/smoke/RIntTest.h b/libc/test/src/math/smoke/RIntTest.h
index 903fbe9ce3430..5a283a8bc0b53 100644
--- a/libc/test/src/math/smoke/RIntTest.h
+++ b/libc/test/src/math/smoke/RIntTest.h
@@ -29,7 +29,6 @@ class RIntTestTemplate : public LIBC_NAMESPACE::testing::Test {
 private:
   using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;
   using StorageType = typename FPBits::StorageType;
-  using Sign = LIBC_NAMESPACE::fputil::Sign;
 
   const T inf = FPBits::inf(Sign::POS).get_val();
   const T neg_inf = FPBits::inf(Sign::NEG).get_val();
diff --git a/libc/test/src/math/smoke/RemQuoTest.h b/libc/test/src/math/smoke/RemQuoTest.h
index a9fa405b27000..cf56b1d6460fe 100644
--- a/libc/test/src/math/smoke/RemQuoTest.h
+++ b/libc/test/src/math/smoke/RemQuoTest.h
@@ -19,7 +19,6 @@ template <typename T>
 class RemQuoTestTemplate : public LIBC_NAMESPACE::testing::Test {
   using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;
   using StorageType = typename FPBits::StorageType;
-  using Sign = LIBC_NAMESPACE::fputil::Sign;
 
   const T inf = FPBits::inf(Sign::POS).get_val();
   const T neg_inf = FPBits::inf(Sign::NEG).get_val();
diff --git a/libc/test/src/math/smoke/RoundToIntegerTest.h b/libc/test/src/math/smoke/RoundToIntegerTest.h
index 1b5135d016cc4..44b3f8996df5a 100644
--- a/libc/test/src/math/smoke/RoundToIntegerTest.h
+++ b/libc/test/src/math/smoke/RoundToIntegerTest.h
@@ -28,7 +28,6 @@ class RoundToIntegerTestTemplate : public LIBC_NAMESPACE::testing::Test {
 private:
   using FPBits = LIBC_NAMESPACE::fputil::FPBits<F>;
   using StorageType = typename FPBits::StorageType;
-  using Sign = LIBC_NAMESPACE::fputil::Sign;
 
   const F zero = FPBits::zero(Sign::POS).get_val();
   const F neg_zero = FPBits::zero(Sign::NEG).get_val();
diff --git a/libc/test/src/math/smoke/atanhf_test.cpp b/libc/test/src/math/smoke/atanhf_test.cpp
index df0746e0c9c3a..590a7ab60f04f 100644
--- a/libc/test/src/math/smoke/atanhf_test.cpp
+++ b/libc/test/src/math/smoke/atanhf_test.cpp
@@ -19,7 +19,7 @@
 using LlvmLibcAtanhfTest = LIBC_NAMESPACE::testing::FPTest<float>;
 
 TEST_F(LlvmLibcAtanhfTest, SpecialNumbers) {
-  using Sign = LIBC_NAMESPACE::fputil::Sign;
+
   LIBC_NAMESPACE::libc_errno = 0;
 
   LIBC_NAMESPACE::fputil::clear_except(FE_ALL_EXCEPT);
diff --git a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
index 59b0bbbda2f52..c4f6eab062218 100644
--- a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
@@ -501,6 +501,14 @@ libc_support_library(
     ],
 )
 
+libc_support_library(
+    name = "__support_sign",
+    hdrs = ["src/__support/sign.h"],
+    deps = [
+        ":__support_macros_properties_types",
+    ],
+)
+
 libc_support_library(
     name = "__support_uint128",
     hdrs = ["src/__support/UInt128.h"],
@@ -734,6 +742,7 @@ libc_support_library(
     deps = [
         ":__support_common",
         ":__support_cpp_bit",
+        ":__support_sign",
         ":__support_cpp_type_traits",
         ":__support_libc_assert",
         ":__support_macros_attributes",
diff --git a/utils/bazel/llvm-project-overlay/libc/test/src/__support/FPUtil/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/test/src/__support/FPUtil/BUILD.bazel
index 76443fc5d9f85..18683e42724a5 100644
--- a/utils/bazel/llvm-project-overlay/libc/test/src/__support/FPUtil/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/test/src/__support/FPUtil/BUILD.bazel
@@ -17,6 +17,7 @@ libc_test(
         "//libc:__support_fputil_fp_bits",
         "//libc:__support_fputil_fpbits_str",
         "//libc:__support_integer_literals",
+        "//libc:__support_sign",
     ],
 )