From 87e59ff8768bf09bd2aaa2d24cdd030cce414cd2 Mon Sep 17 00:00:00 2001
From: curt <curt>
Date: Sat, 24 Mar 2001 03:02:31 +0000
Subject: [PATCH] SG_ namespace fixes.

---
 simgear/constants.h                      | 6 +++---
 simgear/inlines.h                        | 8 ++++----
 simgear/math/polar3d.cxx                 | 4 ++--
 simgear/math/sg_geodesy.cxx              | 7 ++-----
 simgear/metar/MetarTest/MetarLibTest.cpp | 2 +-
 5 files changed, 12 insertions(+), 15 deletions(-)

diff --git a/simgear/constants.h b/simgear/constants.h
index 3558b121..a60a27fa 100644
--- a/simgear/constants.h
+++ b/simgear/constants.h
@@ -69,13 +69,13 @@
 #  define M_E     2.7182818284590452354
 #endif
 
-// ONE_SECOND is pi/180/60/60, or about 100 feet at earths' equator
-#define ONE_SECOND 4.848136811E-6
+// SG_ONE_SECOND is pi/180/60/60, or about 100 feet at earths' equator
+#define SG_ONE_SECOND 4.848136811E-6
 
 
 // Radius of Earth in kilometers at the equator.  Another source had
 // 6378.165 but this is probably close enough
-#define EARTH_RAD 6378.155
+#define SG_EARTH_RAD 6378.155
 
 
 // Earth parameters for WGS 84, taken from LaRCsim/ls_constants.h
diff --git a/simgear/inlines.h b/simgear/inlines.h
index 8cf00c1d..e3aae3c3 100644
--- a/simgear/inlines.h
+++ b/simgear/inlines.h
@@ -32,25 +32,25 @@ inline const int SG_SIGN(const T x) {
 }
 
 template <class T>
-inline const T SG_MIN(const T a, const T b) {
+inline const T SG_MIN2(const T a, const T b) {
     return a < b ? a : b;
 }
 
 // return the minimum of three values
 template <class T>
 inline const T SG_MIN3( const T a, const T b, const T c) {
-    return (a < b ? SG_MIN (a, c) : SG_MIN (b, c));
+    return (a < b ? SG_MIN2 (a, c) : SG_MIN2 (b, c));
 }
 
 template <class T>
-inline const T SG_MAX(const T a, const T b) {
+inline const T SG_MAX2(const T a, const T b) {
     return  a > b ? a : b;
 }
 
 // return the maximum of three values
 template <class T>
 inline const T SG_MAX3 (const T a, const T b, const T c) {
-    return (a > b ? SG_MAX (a, c) : SG_MAX (b, c));
+    return (a > b ? SG_MAX2 (a, c) : SG_MAX2 (b, c));
 }
 
 // 
diff --git a/simgear/math/polar3d.cxx b/simgear/math/polar3d.cxx
index b3c0fe60..be924029 100644
--- a/simgear/math/polar3d.cxx
+++ b/simgear/math/polar3d.cxx
@@ -42,8 +42,8 @@ double fgGeodAltFromCart(const Point3D& cp)
     lat_geoc = SGD_PI_2 - atan2( sqrt(cp.x()*cp.x() + cp.y()*cp.y()), cp.z() );
     radius = sqrt( cp.x()*cp.x() + cp.y()*cp.y() + cp.z()*cp.z() );
 	
-    if( ( (SGD_PI_2 - lat_geoc) < ONE_SECOND )        // near North pole
-	|| ( (SGD_PI_2 + lat_geoc) < ONE_SECOND ) )   // near South pole
+    if( ( (SGD_PI_2 - lat_geoc) < SG_ONE_SECOND )        // near North pole
+	|| ( (SGD_PI_2 + lat_geoc) < SG_ONE_SECOND ) )   // near South pole
     {
 	result = radius - EQUATORIAL_RADIUS_M*E;
     } else {
diff --git a/simgear/math/sg_geodesy.cxx b/simgear/math/sg_geodesy.cxx
index f26c0e93..d86f48e1 100644
--- a/simgear/math/sg_geodesy.cxx
+++ b/simgear/math/sg_geodesy.cxx
@@ -31,9 +31,6 @@
 SG_USING_STD(cout);
 #endif
 
-// ONE_SECOND is pi/180/60/60, or about 100 feet at earths' equator
-#define ONE_SECOND 4.848136811E-6
-
 
 #define DOMAIN_ERR_DEBUG 1
 
@@ -60,8 +57,8 @@ void sgGeocToGeod( double lat_geoc, double radius, double
     double t_lat, x_alpha, mu_alpha, delt_mu, r_alpha, l_point, rho_alpha;
     double sin_mu_a, denom,delt_lambda, lambda_sl, sin_lambda_sl;
 
-    if( ( (SGD_PI_2 - lat_geoc) < ONE_SECOND )        // near North pole
-	|| ( (SGD_PI_2 + lat_geoc) < ONE_SECOND ) )   // near South pole
+    if( ( (SGD_PI_2 - lat_geoc) < SG_ONE_SECOND )        // near North pole
+	|| ( (SGD_PI_2 + lat_geoc) < SG_ONE_SECOND ) )   // near South pole
     {
 	*lat_geod = lat_geoc;
 	*sea_level_r = EQUATORIAL_RADIUS_M*E;
diff --git a/simgear/metar/MetarTest/MetarLibTest.cpp b/simgear/metar/MetarTest/MetarLibTest.cpp
index 81410d0e..6135ed18 100644
--- a/simgear/metar/MetarTest/MetarLibTest.cpp
+++ b/simgear/metar/MetarTest/MetarLibTest.cpp
@@ -468,7 +468,7 @@ display(void)
 	CMetarStation::for_each( dispMetarStation );
 	glEnd();
 	glColor3d(0.0, 0.0, 1.0);
-	glutWireSphere(EARTH_RAD,32,16);
+	glutWireSphere(SG_EARTH_RAD,32,16);
 	glutSwapBuffers();
 	ii++;
 	glPopMatrix();
-- 
2.39.5