3 files changed, 6 insertions, 6 deletions
diff --git a/Eigen/src/Core/arch/Default/BFloat16.h b/Eigen/src/Core/arch/Default/BFloat16.h
index 616dcf667..72a489b0b 100644
--- a/Eigen/src/Core/arch/Default/BFloat16.h
+++ b/Eigen/src/Core/arch/Default/BFloat16.h
@@ -513,7 +513,7 @@ EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC bfloat16 log10(const bfloat16& a) {
   return bfloat16(::log10f(float(a)));
 }
 EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC bfloat16 log2(const bfloat16& a) {
-  return bfloat16(static_cast<float>(M_LOG2E) * ::logf(float(a)));
+  return bfloat16(static_cast<float>(EIGEN_LOG2E) * ::logf(float(a)));
 }
 EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC bfloat16 sqrt(const bfloat16& a) {
     return bfloat16(::sqrtf(float(a)));
diff --git a/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h b/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h
index 45cc780f1..34e2cb1e7 100644
--- a/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h
+++ b/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h
@@ -132,10 +132,10 @@ Packet plog_impl_float(const Packet _x)
 
   // Add the logarithm of the exponent back to the result of the interpolation.
   if (base2) {
-    const Packet cst_log2e = pset1<Packet>(static_cast<float>(M_LOG2E));
+    const Packet cst_log2e = pset1<Packet>(static_cast<float>(EIGEN_LOG2E));
     x = pmadd(x, cst_log2e, e);
   } else {
-    const Packet cst_ln2 = pset1<Packet>(static_cast<float>(M_LN2));
+    const Packet cst_ln2 = pset1<Packet>(static_cast<float>(EIGEN_LN2));
     x = pmadd(e, cst_ln2, x);
   }
 
@@ -253,10 +253,10 @@ Packet plog_impl_double(const Packet _x)
 
   // Add the logarithm of the exponent back to the result of the interpolation.
   if (base2) {
-    const Packet cst_log2e = pset1<Packet>(M_LOG2E);
+    const Packet cst_log2e = pset1<Packet>(EIGEN_LOG2E);
     x = pmadd(x, cst_log2e, e);
   } else {
-    const Packet cst_ln2 = pset1<Packet>(M_LN2);
+    const Packet cst_ln2 = pset1<Packet>(EIGEN_LN2);
     x = pmadd(e, cst_ln2, x);
   }
 
diff --git a/Eigen/src/Core/arch/Default/Half.h b/Eigen/src/Core/arch/Default/Half.h
index 204076e25..54fd86aa7 100644
--- a/Eigen/src/Core/arch/Default/Half.h
+++ b/Eigen/src/Core/arch/Default/Half.h
@@ -623,7 +623,7 @@ EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC half log10(const half& a) {
   return half(::log10f(float(a)));
 }
 EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC half log2(const half& a) {
-  return half(static_cast<float>(M_LOG2E) * ::logf(float(a)));
+  return half(static_cast<float>(EIGEN_LOG2E) * ::logf(float(a)));
 }
 
 EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC half sqrt(const half& a) {