From 90670c2652e7299dfe978bc62eb02bf0038b8edb Mon Sep 17 00:00:00 2001
From: gbeauche <>
Date: Sun, 27 Nov 2005 20:20:25 +0000
Subject: [PATCH] warning fixes, aka don't redefine log2() et al. if already
 defined (Win32)

---
 SheepShaver/src/kpx_cpu/src/mathlib/mathlib.hpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/SheepShaver/src/kpx_cpu/src/mathlib/mathlib.hpp b/SheepShaver/src/kpx_cpu/src/mathlib/mathlib.hpp
index 6782db07..a5c5f1ac 100644
--- a/SheepShaver/src/kpx_cpu/src/mathlib/mathlib.hpp
+++ b/SheepShaver/src/kpx_cpu/src/mathlib/mathlib.hpp
@@ -64,9 +64,11 @@ extern "C" float exp2f(float x);
 extern "C" double exp2(double x);
 #define exp2f(x) (float)exp2(x)
 #else
+#ifndef exp2f
 #define exp2f(x) powf(2.0, (x))
 #endif
 #endif
+#endif
 
 // 7.12.6.10  The log2 functions
 #ifdef HAVE_LOG2F
@@ -79,9 +81,11 @@ extern "C" double log2(double x);
 #ifndef M_LN2
 #define M_LN2 logf(2.0)
 #endif
+#ifndef log2f
 #define log2f(x) logf(x) / M_LN2
 #endif
 #endif
+#endif
 
 // 7.12.9.1  The ceil functions
 #ifdef HAVE_CEILF