From 664ddcac89ecba594a2668fb51b76e47ee61666a Mon Sep 17 00:00:00 2001
From: Xottab-DUTY <xottab-duty@yandex.ru>
Date: Fri, 15 Jun 2018 13:40:26 +0500
Subject: [PATCH] ODE: dInfinity is real infinity on x64 now Removed previous
 code

---
 Externals/ode/include/ode/config.h | 51 ++++++++++++------------------
 src/xrPhysics/Physics.cpp          |  2 +-
 2 files changed, 21 insertions(+), 32 deletions(-)

diff --git a/Externals/ode/include/ode/config.h b/Externals/ode/include/ode/config.h
index 6a644f28edb..6fbfa2feae7 100644
--- a/Externals/ode/include/ode/config.h
+++ b/Externals/ode/include/ode/config.h
@@ -58,40 +58,29 @@ extern "C" {
 
 #include <math.h>
 
-
-
-#if defined(WIN32) && (defined(MSVC) || defined(MINGW))
-
-static union { unsigned char __c[4]; float __f; } __ode_huge_valf =
-
-  {{0,0,0x80,0x7f}};
-
-#define _INFINITY4 (__ode_huge_valf.__f)
-
-static union { unsigned char __c[8]; double __d; } __ode_huge_val =
-
-  {{0,0,0,0,0,0,0xf0,0x7f }};
-
-#define _INFINITY8 (__ode_huge_val.__d)
-
+/* Define the dInfinity macro */
+#ifdef INFINITY
+#ifdef dSINGLE
+#define dInfinity ((float)INFINITY)
 #else
-
-#define _INFINITY8 HUGE_VAL
-
-#define _INFINITY4 HUGE_VALF
-
+#define dInfinity ((double)INFINITY)
 #endif
-
-
-
-#if defined(dSINGLE)
-
-#define dInfinity _INFINITY4
-
+#elif defined(HUGE_VAL)
+#ifdef dSINGLE
+#ifdef HUGE_VALF
+#define dInfinity HUGE_VALF
 #else
-
-#define dInfinity _INFINITY8
-
+#define dInfinity ((float)HUGE_VAL)
+#endif
+#else
+#define dInfinity HUGE_VAL
+#endif
+#else
+#ifdef dSINGLE
+#define dInfinity ((float)(1.0/0.0))
+#else
+#define dInfinity (1.0/0.0)
+#endif
 #endif
 
 
diff --git a/src/xrPhysics/Physics.cpp b/src/xrPhysics/Physics.cpp
index 8a6e5e4a095..feb73243cc8 100644
--- a/src/xrPhysics/Physics.cpp
+++ b/src/xrPhysics/Physics.cpp
@@ -248,7 +248,7 @@ IC static int CollideIntoGroup(
         }
 
         if (pushing_neg)
-            surface.mu = std::numeric_limits<dReal>::infinity();
+            surface.mu = dInfinity;
 
         if (do_collide && collided_contacts < MAX_CONTACTS)
         {