X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=freeglut-1.3%2Ffreeglut_geometry.c;h=23ba7d6a6e31260679b939316031da39c30c9c4a;hb=94f851333015d5bbe2a8034e15d713a80a7de183;hp=5fae579984a67b5f343cecd9423fc6e9e1e89b72;hpb=583baa8756a71ed088b8e46c52a945218037314c;p=freeglut

diff --git a/freeglut-1.3/freeglut_geometry.c b/freeglut-1.3/freeglut_geometry.c
index 5fae579..23ba7d6 100644
--- a/freeglut-1.3/freeglut_geometry.c
+++ b/freeglut-1.3/freeglut_geometry.c
@@ -71,10 +71,10 @@
  */
 void FGAPIENTRY glutWireCube( GLdouble dSize )
 {
-    float size = (float) dSize * 0.5f;
+    double size = dSize * 0.5;
 
-#   define V(a,b,c) glVertex3f( a size, b size, c size );
-#   define N(a,b,c) glNormal3f( a, b, c );
+#   define V(a,b,c) glVertex3d( a size, b size, c size );
+#   define N(a,b,c) glNormal3d( a, b, c );
 
     /*
      * PWO: I dared to convert the code to use macros...
@@ -95,10 +95,10 @@ void FGAPIENTRY glutWireCube( GLdouble dSize )
  */
 void FGAPIENTRY glutSolidCube( GLdouble dSize )
 {
-    float size = (float) dSize * 0.5f;
+    double size = dSize * 0.5;
 
-#   define V(a,b,c) glVertex3f( a size, b size, c size );
-#   define N(a,b,c) glNormal3f( a, b, c );
+#   define V(a,b,c) glVertex3d( a size, b size, c size );
+#   define N(a,b,c) glNormal3d( a, b, c );
 
     /*
      * PWO: Again, I dared to convert the code to use macros...
@@ -121,18 +121,18 @@ void FGAPIENTRY glutSolidCube( GLdouble dSize )
  */
 void FGAPIENTRY glutWireSphere( GLdouble dRadius, GLint slices, GLint stacks )
 {
-    float  radius = (float) dRadius, phi, psi, dpsi, dphi;
-    float* vertex;
+    double  radius = dRadius, phi, psi, dpsi, dphi;
+    double *vertex;
     int    i, j;
-    float cphi, sphi, cpsi, spsi ;
+    double cphi, sphi, cpsi, spsi ;
 
     /*
      * Allocate the vertices array
      */
-    vertex = calloc( sizeof(float), 3 * slices * (stacks - 1) );
+    vertex = calloc( sizeof(double), 3 * slices * (stacks - 1) );
 
     glPushMatrix();
-    glScalef( radius, radius, radius );
+    glScaled( radius, radius, radius );
 
     dpsi = M_PI / (stacks + 1);
     dphi = 2 * M_PI / slices;
@@ -140,15 +140,15 @@ void FGAPIENTRY glutWireSphere( GLdouble dRadius, GLint slices, GLint stacks )
 
     for( j=0; j<stacks-1; j++ )
     {
-        cpsi = (float)cos ( psi ) ;
-        spsi = (float)sin ( psi ) ;
-        phi = 0;
+        cpsi = cos ( psi ) ;
+        spsi = sin ( psi ) ;
+        phi = 0.0;
 
         for( i=0; i<slices; i++ )
         {
           int offset = 3 * ( j * slices + i ) ;
-          cphi = (float)cos ( phi ) ;
-          sphi = (float)sin ( phi ) ;
+          cphi = cos ( phi ) ;
+          sphi = sin ( phi ) ;
             *(vertex + offset + 0) = sphi * spsi ;
             *(vertex + offset + 1) = cphi * spsi ;
             *(vertex + offset + 2) = cpsi ;
@@ -161,18 +161,18 @@ void FGAPIENTRY glutWireSphere( GLdouble dRadius, GLint slices, GLint stacks )
     for( i=0; i<slices; i++ )
     {
         glBegin( GL_LINE_STRIP );
-        glNormal3f( 0, 0, 1 );
-        glVertex3f( 0, 0, 1 );
+        glNormal3d( 0, 0, 1 );
+        glVertex3d( 0, 0, 1 );
 
         for( j=0; j<stacks - 1; j++ )
         {
           int offset = 3 * ( j * slices + i ) ;
-            glNormal3fv( vertex + offset );
-            glVertex3fv( vertex + offset );
+            glNormal3dv( vertex + offset );
+            glVertex3dv( vertex + offset );
         }
 
-        glNormal3f(0, 0, -1);
-        glVertex3f(0, 0, -1);
+        glNormal3d(0, 0, -1);
+        glVertex3d(0, 0, -1);
         glEnd();
     }
 
@@ -183,8 +183,8 @@ void FGAPIENTRY glutWireSphere( GLdouble dRadius, GLint slices, GLint stacks )
         for( i=0; i<slices; i++ )
         {
           int offset = 3 * ( j * slices + i ) ;
-            glNormal3fv( vertex + offset );
-            glVertex3fv( vertex + offset );
+            glNormal3dv( vertex + offset );
+            glVertex3dv( vertex + offset );
         }
 
         glEnd();
@@ -199,16 +199,16 @@ void FGAPIENTRY glutWireSphere( GLdouble dRadius, GLint slices, GLint stacks )
  */
 void FGAPIENTRY glutSolidSphere( GLdouble dRadius, GLint slices, GLint stacks )
 {
-    float  radius = (float) dRadius, phi, psi, dpsi, dphi;
-    float *next, *tmp, *row;
+    double  radius = dRadius, phi, psi, dpsi, dphi;
+    double *next, *tmp, *row;
     int    i, j;
-    float cphi, sphi, cpsi, spsi ;
+    double cphi, sphi, cpsi, spsi ;
 
     glPushMatrix();
     /* glScalef( radius, radius, radius ); */
 
-    row  = calloc( sizeof(float), slices * 3 );
-    next = calloc( sizeof(float), slices * 3 );
+    row  = calloc( sizeof(double), slices * 3 );
+    next = calloc( sizeof(double), slices * 3 );
 
     dpsi = M_PI / (stacks + 1);
     dphi = 2 * M_PI / slices;
@@ -217,8 +217,8 @@ void FGAPIENTRY glutSolidSphere( GLdouble dRadius, GLint slices, GLint stacks )
 
     /* init first line + do polar cap */
     glBegin( GL_TRIANGLE_FAN );
-    glNormal3f( 0, 0, 1 );
-    glVertex3f( 0, 0, radius );
+    glNormal3d( 0.0, 0.0, 1.0 );
+    glVertex3d( 0.0, 0.0, radius );
 
     for( i=0; i<slices; i++ )
     {
@@ -226,26 +226,26 @@ void FGAPIENTRY glutSolidSphere( GLdouble dRadius, GLint slices, GLint stacks )
         row[ i * 3 + 1 ] = cos( phi ) * sin( psi );
         row[ i * 3 + 2 ] = cos( psi );
 
-        glNormal3fv( row + 3 * i );
-        glVertex3f(
+        glNormal3dv( row + 3 * i );
+        glVertex3d(
             radius * *(row + 3 * i + 0),
             radius * *(row + 3 * i + 1),
-	        radius * *(row + 3 * i + 2)
+	          radius * *(row + 3 * i + 2)
 	    );
 	
         phi += dphi;
     }
 
-    glNormal3fv( row );
-    glVertex3f( radius * *(row + 0), radius * *(row + 1), radius * *(row + 2) );
+    glNormal3dv( row );
+    glVertex3d( radius * *(row + 0), radius * *(row + 1), radius * *(row + 2) );
     glEnd();
 
     for( j=0; j<stacks-1; j++ )
     {
-        phi = 0;
+        phi = 0.0;
         psi += dpsi;
-        cpsi = (float)cos ( psi ) ;
-        spsi = (float)sin ( psi ) ;
+        cpsi = cos ( psi ) ;
+        spsi = sin ( psi ) ;
 
         /* get coords */
         glBegin( GL_QUAD_STRIP );
@@ -253,21 +253,21 @@ void FGAPIENTRY glutSolidSphere( GLdouble dRadius, GLint slices, GLint stacks )
         /* glBegin(GL_LINE_LOOP); */
         for( i=0; i<slices; i++ )
         {
-          cphi = (float)cos ( phi ) ;
-          sphi = (float)sin ( phi ) ;
+          cphi = cos ( phi ) ;
+          sphi = sin ( phi ) ;
             next[ i * 3 + 0 ] = sphi * spsi ;
             next[ i * 3 + 1 ] = cphi * spsi ;
             next[ i * 3 + 2 ] = cpsi ;
 
-            glNormal3fv( row + i * 3 );
-            glVertex3f(
+            glNormal3dv( row + i * 3 );
+            glVertex3d(
                 radius * *(row + 3 * i + 0),
                 radius * *(row + 3 * i + 1),
 		        radius * *(row + 3 * i + 2)
 		    );
 
-            glNormal3fv( next + i * 3 );
-            glVertex3f(
+            glNormal3dv( next + i * 3 );
+            glVertex3d(
                 radius * *(next + 3 * i + 0),
                 radius * *(next + 3 * i + 1),
                 radius * *(next + 3 * i + 2)
@@ -276,10 +276,10 @@ void FGAPIENTRY glutSolidSphere( GLdouble dRadius, GLint slices, GLint stacks )
             phi += dphi;
         }
 
-        glNormal3fv( row );
-        glVertex3f( radius * *(row + 0), radius * *(row + 1), radius * *(row + 2) );
-        glNormal3fv( next );
-        glVertex3f( radius * *(next + 0), radius * *(next + 1), radius * *(next + 2) );
+        glNormal3dv( row );
+        glVertex3d( radius * *(row + 0), radius * *(row + 1), radius * *(row + 2) );
+        glNormal3dv( next );
+        glVertex3d( radius * *(next + 0), radius * *(next + 1), radius * *(next + 2) );
         glEnd();
 
         tmp = row;
@@ -289,18 +289,18 @@ void FGAPIENTRY glutSolidSphere( GLdouble dRadius, GLint slices, GLint stacks )
 
     /* south pole */
     glBegin( GL_TRIANGLE_FAN );
-    glNormal3f( 0, 0, -1 );
-    glVertex3f( 0, 0, -radius );
-    glNormal3fv( row );
-    glVertex3f( radius * *(row + 0), radius * *(row + 1), radius * *(row + 2) );
+    glNormal3d( 0.0, 0.0, -1.0 );
+    glVertex3d( 0.0, 0.0, -radius );
+    glNormal3dv( row );
+    glVertex3d( radius * *(row + 0), radius * *(row + 1), radius * *(row + 2) );
 
     for( i=slices-1; i>=0; i-- )
     {
-        glNormal3fv(row + 3 * i);
-        glVertex3f(
+        glNormal3dv(row + 3 * i);
+        glVertex3d(
             radius * *(row + 3 * i + 0),
             radius * *(row + 3 * i + 1),
-	        radius * *(row + 3 * i + 2)
+	          radius * *(row + 3 * i + 2)
 	   );
     }
 
@@ -316,20 +316,20 @@ void FGAPIENTRY glutSolidSphere( GLdouble dRadius, GLint slices, GLint stacks )
  */
 void FGAPIENTRY glutWireCone( GLdouble base, GLdouble height, GLint slices, GLint stacks )
 {
-  float  alt   = (float) height / (float) (stacks + 1);
-  float  angle = (float) M_PI / (float) slices * 2.0f;
-  float  slope = (float) ( height / base );
-  float  sBase = (float)base ;
-  float  sinNormal = (float)( base   / sqrt ( height * height + base * base )) ;
-  float  cosNormal = (float)( height / sqrt ( height * height + base * base )) ;
-
-  float* vertices = NULL;
+  double  alt   = height / (double) (stacks + 1);
+  double  angle = M_PI / (double) slices * 2.0;
+  double  slope = ( height / base );
+  double  sBase = base ;
+  double  sinNormal = ( base   / sqrt ( height * height + base * base )) ;
+  double  cosNormal = ( height / sqrt ( height * height + base * base )) ;
+
+  double *vertices = NULL;
   int    i, j;
 
   /*
    * We need 'slices' points on a circle
    */
-  vertices = calloc( sizeof(float), 2 * (slices + 1) );
+  vertices = calloc( sizeof(double), 2 * (slices + 1) );
 
   for( j=0; j<slices+1; j++ )
   {
@@ -343,10 +343,10 @@ void FGAPIENTRY glutWireCone( GLdouble base, GLdouble height, GLint slices, GLin
   for( j=0; j<slices; j++ )
   {
     glBegin( GL_LINE_LOOP );
-      glNormal3f( 0, 0, -1 );
-      glVertex3f( vertices[ (j+0)*2+0 ] * sBase, vertices[ (j+0)*2+1 ] * sBase, 0 );
-      glVertex3f( vertices[ (j+1)*2+0 ] * sBase, vertices[ (j+1)*2+1 ] * sBase, 0 );
-      glVertex3f( 0, 0, 0 );
+      glNormal3d( 0.0, 0.0, -1.0 );
+      glVertex3d( vertices[ (j+0)*2+0 ] * sBase, vertices[ (j+0)*2+1 ] * sBase, 0 );
+      glVertex3d( vertices[ (j+1)*2+0 ] * sBase, vertices[ (j+1)*2+1 ] * sBase, 0 );
+      glVertex3d( 0.0, 0.0, 0.0 );
     glEnd();
   }
 
@@ -355,27 +355,27 @@ void FGAPIENTRY glutWireCone( GLdouble base, GLdouble height, GLint slices, GLin
    */
   for( i=0; i<stacks; i++ )
   {
-    float alt_a = i * alt, alt_b = (i + 1) * alt;
-    float scl_a = (height - alt_a) / slope;
-    float scl_b = (height - alt_b) / slope;
+    double alt_a = i * alt, alt_b = (i + 1) * alt;
+    double scl_a = (height - alt_a) / slope;
+    double scl_b = (height - alt_b) / slope;
 
     for( j=0; j<slices; j++ )
     {
       glBegin( GL_LINE_LOOP );
-        glNormal3f( sinNormal * vertices[(j+0)*2+0], sinNormal * vertices[(j+0)*2+1], cosNormal ) ;
-        glVertex3f( vertices[(j+0)*2+0] * scl_a, vertices[(j+0)*2+1] * scl_a, alt_a );
-        glNormal3f( sinNormal * vertices[(j+1)*2+0], sinNormal * vertices[(j+1)*2+1], cosNormal ) ;
-        glVertex3f( vertices[(j+1)*2+0] * scl_a, vertices[(j+1)*2+1] * scl_a, alt_a );
-        glNormal3f( sinNormal * vertices[(j+0)*2+0], sinNormal * vertices[(j+0)*2+1], cosNormal ) ;
-        glVertex3f( vertices[(j+0)*2+0] * scl_b, vertices[(j+0)*2+1] * scl_b, alt_b );
+        glNormal3d( sinNormal * vertices[(j+0)*2+0], sinNormal * vertices[(j+0)*2+1], cosNormal ) ;
+        glVertex3d( vertices[(j+0)*2+0] * scl_a, vertices[(j+0)*2+1] * scl_a, alt_a );
+        glNormal3d( sinNormal * vertices[(j+1)*2+0], sinNormal * vertices[(j+1)*2+1], cosNormal ) ;
+        glVertex3d( vertices[(j+1)*2+0] * scl_a, vertices[(j+1)*2+1] * scl_a, alt_a );
+        glNormal3d( sinNormal * vertices[(j+0)*2+0], sinNormal * vertices[(j+0)*2+1], cosNormal ) ;
+        glVertex3d( vertices[(j+0)*2+0] * scl_b, vertices[(j+0)*2+1] * scl_b, alt_b );
       glEnd();
 
       glBegin( GL_LINE_LOOP );
-        glNormal3f( sinNormal * vertices[(j+0)*2+0], sinNormal * vertices[(j+0)*2+1], cosNormal ) ;
-        glVertex3f( vertices[(j+0)*2+0] * scl_b, vertices[(j+0)*2+1] * scl_b, alt_b );
-        glNormal3f( sinNormal * vertices[(j+1)*2+0], sinNormal * vertices[(j+1)*2+1], cosNormal ) ;
-        glVertex3f( vertices[(j+1)*2+0] * scl_b, vertices[(j+1)*2+1] * scl_b, alt_b );
-        glVertex3f( vertices[(j+1)*2+0] * scl_a, vertices[(j+1)*2+1] * scl_a, alt_a );
+        glNormal3d( sinNormal * vertices[(j+0)*2+0], sinNormal * vertices[(j+0)*2+1], cosNormal ) ;
+        glVertex3d( vertices[(j+0)*2+0] * scl_b, vertices[(j+0)*2+1] * scl_b, alt_b );
+        glNormal3d( sinNormal * vertices[(j+1)*2+0], sinNormal * vertices[(j+1)*2+1], cosNormal ) ;
+        glVertex3d( vertices[(j+1)*2+0] * scl_b, vertices[(j+1)*2+1] * scl_b, alt_b );
+        glVertex3d( vertices[(j+1)*2+0] * scl_a, vertices[(j+1)*2+1] * scl_a, alt_a );
       glEnd();
     }
   }
@@ -385,14 +385,14 @@ void FGAPIENTRY glutWireCone( GLdouble base, GLdouble height, GLint slices, GLin
    */
   for( j=0; j<slices; j++ )
   {
-    float scl = alt / slope;
+    double scl = alt / slope;
 
     glBegin( GL_LINE_LOOP );
-      glNormal3f( sinNormal * vertices[(j+0)*2+0], sinNormal * vertices[(j+0)*2+1], cosNormal ) ;
-      glVertex3f( vertices[ (j+0)*2+0 ] * scl, vertices[ (j+0)*2+1 ] * scl, height - alt );
-      glNormal3f( sinNormal * vertices[(j+1)*2+0], sinNormal * vertices[(j+1)*2+1], cosNormal ) ;
-      glVertex3f( vertices[ (j+1)*2+0 ] * scl, vertices[ (j+1)*2+1 ] * scl, height - alt );
-      glVertex3f( 0, 0, height );
+      glNormal3d( sinNormal * vertices[(j+0)*2+0], sinNormal * vertices[(j+0)*2+1], cosNormal ) ;
+      glVertex3d( vertices[ (j+0)*2+0 ] * scl, vertices[ (j+0)*2+1 ] * scl, height - alt );
+      glNormal3d( sinNormal * vertices[(j+1)*2+0], sinNormal * vertices[(j+1)*2+1], cosNormal ) ;
+      glVertex3d( vertices[ (j+1)*2+0 ] * scl, vertices[ (j+1)*2+1 ] * scl, height - alt );
+      glVertex3d( 0, 0, height );
     glEnd();
   }
 }
@@ -402,20 +402,20 @@ void FGAPIENTRY glutWireCone( GLdouble base, GLdouble height, GLint slices, GLin
  */
 void FGAPIENTRY glutSolidCone( GLdouble base, GLdouble height, GLint slices, GLint stacks )
 {
-  float  alt   = (float) height / (float) (stacks + 1);
-  float  angle = (float) M_PI / (float) slices * 2.0f;
-  float  slope = (float) ( height / base );
-  float  sBase = (float)base ;
-  float  sinNormal = (float)( base   / sqrt ( height * height + base * base )) ;
-  float  cosNormal = (float)( height / sqrt ( height * height + base * base )) ;
-
-  float* vertices = NULL;
+  double  alt   = height / (double) (stacks + 1);
+  double  angle = M_PI / (double) slices * 2.0f;
+  double  slope = ( height / base );
+  double  sBase = base ;
+  double  sinNormal = ( base   / sqrt ( height * height + base * base )) ;
+  double  cosNormal = ( height / sqrt ( height * height + base * base )) ;
+
+  double *vertices = NULL;
   int    i, j;
 
   /*
    * We need 'slices' points on a circle
    */
-  vertices = calloc( sizeof(float), 2 * (slices + 1) );
+  vertices = calloc( sizeof(double), 2 * (slices + 1) );
 
   for( j=0; j<slices+1; j++ )
   {
@@ -428,13 +428,13 @@ void FGAPIENTRY glutSolidCone( GLdouble base, GLdouble height, GLint slices, GLi
    */
   for( j=0; j<slices; j++ )
   {
-    float scl = height / slope;
+    double scl = height / slope;
 
     glBegin( GL_TRIANGLES );
-      glNormal3f( 0, 0, -1 );
-      glVertex3f( vertices[ (j+0)*2+0 ] * sBase, vertices[ (j+0)*2+1 ] * sBase, 0 );
-      glVertex3f( vertices[ (j+1)*2+0 ] * sBase, vertices[ (j+1)*2+1 ] * sBase, 0 );
-      glVertex3f( 0, 0, 0 );
+      glNormal3d( 0.0, 0.0, -1.0 );
+      glVertex3d( vertices[ (j+0)*2+0 ] * sBase, vertices[ (j+0)*2+1 ] * sBase, 0 );
+      glVertex3d( vertices[ (j+1)*2+0 ] * sBase, vertices[ (j+1)*2+1 ] * sBase, 0 );
+      glVertex3d( 0.0, 0.0, 0.0 );
     glEnd();
   }
 
@@ -443,27 +443,27 @@ void FGAPIENTRY glutSolidCone( GLdouble base, GLdouble height, GLint slices, GLi
    */
   for( i=0; i<stacks; i++ )
   {
-    float alt_a = i * alt, alt_b = (i + 1) * alt;
-    float scl_a = (height - alt_a) / slope;
-    float scl_b = (height - alt_b) / slope;
+    double alt_a = i * alt, alt_b = (i + 1) * alt;
+    double scl_a = (height - alt_a) / slope;
+    double scl_b = (height - alt_b) / slope;
 
     for( j=0; j<slices; j++ )
     {
       glBegin( GL_TRIANGLES );
-        glNormal3f( sinNormal * vertices[(j+0)*2+0], sinNormal * vertices[(j+0)*2+1], cosNormal ) ;
-        glVertex3f( vertices[(j+0)*2+0] * scl_a, vertices[(j+0)*2+1] * scl_a, alt_a );
-        glNormal3f( sinNormal * vertices[(j+1)*2+0], sinNormal * vertices[(j+1)*2+1], cosNormal ) ;
-        glVertex3f( vertices[(j+1)*2+0] * scl_a, vertices[(j+1)*2+1] * scl_a, alt_a );
-        glNormal3f( sinNormal * vertices[(j+0)*2+0], sinNormal * vertices[(j+0)*2+1], cosNormal ) ;
-        glVertex3f( vertices[(j+0)*2+0] * scl_b, vertices[(j+0)*2+1] * scl_b, alt_b );
+        glNormal3d( sinNormal * vertices[(j+0)*2+0], sinNormal * vertices[(j+0)*2+1], cosNormal ) ;
+        glVertex3d( vertices[(j+0)*2+0] * scl_a, vertices[(j+0)*2+1] * scl_a, alt_a );
+        glNormal3d( sinNormal * vertices[(j+1)*2+0], sinNormal * vertices[(j+1)*2+1], cosNormal ) ;
+        glVertex3d( vertices[(j+1)*2+0] * scl_a, vertices[(j+1)*2+1] * scl_a, alt_a );
+        glNormal3d( sinNormal * vertices[(j+0)*2+0], sinNormal * vertices[(j+0)*2+1], cosNormal ) ;
+        glVertex3d( vertices[(j+0)*2+0] * scl_b, vertices[(j+0)*2+1] * scl_b, alt_b );
       glEnd();
 
       glBegin( GL_TRIANGLES );
-        glNormal3f( sinNormal * vertices[(j+0)*2+0], sinNormal * vertices[(j+0)*2+1], cosNormal ) ;
-        glVertex3f( vertices[(j+0)*2+0] * scl_b, vertices[(j+0)*2+1] * scl_b, alt_b );
-        glNormal3f( sinNormal * vertices[(j+1)*2+0], sinNormal * vertices[(j+1)*2+1], cosNormal ) ;
-        glVertex3f( vertices[(j+1)*2+0] * scl_b, vertices[(j+1)*2+1] * scl_b, alt_b );
-        glVertex3f( vertices[(j+1)*2+0] * scl_a, vertices[(j+1)*2+1] * scl_a, alt_a );
+        glNormal3d( sinNormal * vertices[(j+0)*2+0], sinNormal * vertices[(j+0)*2+1], cosNormal ) ;
+        glVertex3d( vertices[(j+0)*2+0] * scl_b, vertices[(j+0)*2+1] * scl_b, alt_b );
+        glNormal3d( sinNormal * vertices[(j+1)*2+0], sinNormal * vertices[(j+1)*2+1], cosNormal ) ;
+        glVertex3d( vertices[(j+1)*2+0] * scl_b, vertices[(j+1)*2+1] * scl_b, alt_b );
+        glVertex3d( vertices[(j+1)*2+0] * scl_a, vertices[(j+1)*2+1] * scl_a, alt_a );
       glEnd();
     }
   }
@@ -473,14 +473,14 @@ void FGAPIENTRY glutSolidCone( GLdouble base, GLdouble height, GLint slices, GLi
    */
   for( j=0; j<slices; j++ )
   {
-    float scl = alt / slope;
+    double scl = alt / slope;
 
     glBegin( GL_TRIANGLES );
-      glNormal3f( sinNormal * vertices[(j+0)*2+0], sinNormal * vertices[(j+0)*2+1], cosNormal ) ;
-      glVertex3f( vertices[ (j+0)*2+0 ] * scl, vertices[ (j+0)*2+1 ] * scl, height - alt );
-      glNormal3f( sinNormal * vertices[(j+1)*2+0], sinNormal * vertices[(j+1)*2+1], cosNormal ) ;
-      glVertex3f( vertices[ (j+1)*2+0 ] * scl, vertices[ (j+1)*2+1 ] * scl, height - alt );
-      glVertex3f( 0, 0, height );
+      glNormal3d( sinNormal * vertices[(j+0)*2+0], sinNormal * vertices[(j+0)*2+1], cosNormal ) ;
+      glVertex3d( vertices[ (j+0)*2+0 ] * scl, vertices[ (j+0)*2+1 ] * scl, height - alt );
+      glNormal3d( sinNormal * vertices[(j+1)*2+0], sinNormal * vertices[(j+1)*2+1], cosNormal ) ;
+      glVertex3d( vertices[ (j+1)*2+0 ] * scl, vertices[ (j+1)*2+1 ] * scl, height - alt );
+      glVertex3d( 0, 0, height );
     glEnd();
   }
 }
@@ -490,34 +490,34 @@ void FGAPIENTRY glutSolidCone( GLdouble base, GLdouble height, GLint slices, GLi
  */
 void FGAPIENTRY glutWireTorus( GLdouble dInnerRadius, GLdouble dOuterRadius, GLint nSides, GLint nRings )
 {
-  float  iradius = (float) dInnerRadius, oradius = (float)dOuterRadius, phi, psi, dpsi, dphi;
-  float* vertex, *normal;
+  double  iradius = dInnerRadius, oradius = dOuterRadius, phi, psi, dpsi, dphi;
+  double *vertex, *normal;
   int    i, j;
-  float spsi, cpsi, sphi, cphi ;
+  double spsi, cpsi, sphi, cphi ;
 
   /*
    * Allocate the vertices array
    */
-  vertex = calloc( sizeof(float), 3 * nSides * nRings );
-  normal = calloc( sizeof(float), 3 * nSides * nRings );
+  vertex = calloc( sizeof(double), 3 * nSides * nRings );
+  normal = calloc( sizeof(double), 3 * nSides * nRings );
 
   glPushMatrix();
 
-  dpsi = 2.0 * M_PI / (float)nRings ;
-  dphi = 2.0 * M_PI / (float)nSides ;
+  dpsi = 2.0 * M_PI / (double)nRings ;
+  dphi = 2.0 * M_PI / (double)nSides ;
   psi  = 0.0;
 
   for( j=0; j<nRings; j++ )
   {
-    cpsi = (float)cos ( psi ) ;
-    spsi = (float)sin ( psi ) ;
+    cpsi = cos ( psi ) ;
+    spsi = sin ( psi ) ;
     phi = 0.0;
 
     for( i=0; i<nSides; i++ )
     {
       int offset = 3 * ( j * nSides + i ) ;
-      cphi = (float)cos ( phi ) ;
-      sphi = (float)sin ( phi ) ;
+      cphi = cos ( phi ) ;
+      sphi = sin ( phi ) ;
       *(vertex + offset + 0) = cpsi * ( oradius + cphi * iradius ) ;
       *(vertex + offset + 1) = spsi * ( oradius + cphi * iradius ) ;
       *(vertex + offset + 2) =                    sphi * iradius   ;
@@ -537,8 +537,8 @@ void FGAPIENTRY glutWireTorus( GLdouble dInnerRadius, GLdouble dOuterRadius, GLi
     for( j=0; j<nRings; j++ )
     {
       int offset = 3 * ( j * nSides + i ) ;
-      glNormal3fv( normal + offset );
-      glVertex3fv( vertex + offset );
+      glNormal3dv( normal + offset );
+      glVertex3dv( vertex + offset );
     }
 
     glEnd();
@@ -551,8 +551,8 @@ void FGAPIENTRY glutWireTorus( GLdouble dInnerRadius, GLdouble dOuterRadius, GLi
     for( i=0; i<nSides; i++ )
     {
       int offset = 3 * ( j * nSides + i ) ;
-      glNormal3fv( normal + offset );
-      glVertex3fv( vertex + offset );
+      glNormal3dv( normal + offset );
+      glVertex3dv( vertex + offset );
     }
 
     glEnd();
@@ -568,10 +568,10 @@ void FGAPIENTRY glutWireTorus( GLdouble dInnerRadius, GLdouble dOuterRadius, GLi
  */
 void FGAPIENTRY glutSolidTorus( GLdouble dInnerRadius, GLdouble dOuterRadius, GLint nSides, GLint nRings )
 {
-  float  iradius = (float) dInnerRadius, oradius = (float)dOuterRadius, phi, psi, dpsi, dphi;
-  float* vertex, *normal;
+  double  iradius = dInnerRadius, oradius = dOuterRadius, phi, psi, dpsi, dphi;
+  double *vertex, *normal;
   int    i, j;
-  float spsi, cpsi, sphi, cphi ;
+  double spsi, cpsi, sphi, cphi ;
 
   /*
    * Increment the number of sides and rings to allow for one more point than surface
@@ -582,26 +582,26 @@ void FGAPIENTRY glutSolidTorus( GLdouble dInnerRadius, GLdouble dOuterRadius, GL
   /*
    * Allocate the vertices array
    */
-  vertex = calloc( sizeof(float), 3 * nSides * nRings );
-  normal = calloc( sizeof(float), 3 * nSides * nRings );
+  vertex = calloc( sizeof(double), 3 * nSides * nRings );
+  normal = calloc( sizeof(double), 3 * nSides * nRings );
 
   glPushMatrix();
 
-  dpsi = 2.0 * M_PI / (float)(nRings - 1) ;
-  dphi = 2.0 * M_PI / (float)(nSides - 1) ;
+  dpsi = 2.0 * M_PI / (double)(nRings - 1) ;
+  dphi = 2.0 * M_PI / (double)(nSides - 1) ;
   psi  = 0.0;
 
   for( j=0; j<nRings; j++ )
   {
-    cpsi = (float)cos ( psi ) ;
-    spsi = (float)sin ( psi ) ;
+    cpsi = cos ( psi ) ;
+    spsi = sin ( psi ) ;
     phi = 0.0;
 
     for( i=0; i<nSides; i++ )
     {
       int offset = 3 * ( j * nSides + i ) ;
-      cphi = (float)cos ( phi ) ;
-      sphi = (float)sin ( phi ) ;
+      cphi = cos ( phi ) ;
+      sphi = sin ( phi ) ;
       *(vertex + offset + 0) = cpsi * ( oradius + cphi * iradius ) ;
       *(vertex + offset + 1) = spsi * ( oradius + cphi * iradius ) ;
       *(vertex + offset + 2) =                    sphi * iradius   ;
@@ -620,14 +620,14 @@ void FGAPIENTRY glutSolidTorus( GLdouble dInnerRadius, GLdouble dOuterRadius, GL
     for( j=0; j<nRings-1; j++ )
     {
       int offset = 3 * ( j * nSides + i ) ;
-      glNormal3fv( normal + offset );
-      glVertex3fv( vertex + offset );
-      glNormal3fv( normal + offset + 3 );
-      glVertex3fv( vertex + offset + 3 );
-      glNormal3fv( normal + offset + 3 * nSides + 3 );
-      glVertex3fv( vertex + offset + 3 * nSides + 3 );
-      glNormal3fv( normal + offset + 3 * nSides );
-      glVertex3fv( vertex + offset + 3 * nSides );
+      glNormal3dv( normal + offset );
+      glVertex3dv( vertex + offset );
+      glNormal3dv( normal + offset + 3 );
+      glVertex3dv( vertex + offset + 3 );
+      glNormal3dv( normal + offset + 3 * nSides + 3 );
+      glVertex3dv( vertex + offset + 3 * nSides + 3 );
+      glNormal3dv( normal + offset + 3 * nSides );
+      glVertex3dv( vertex + offset + 3 * nSides );
     }
   }
 
@@ -646,45 +646,45 @@ void FGAPIENTRY glutWireDodecahedron( void )
   /* Magic Numbers:  It is possible to create a dodecahedron by attaching two pentagons to each face of
    * of a cube.  The coordinates of the points are:
    *   (+-x,0, z); (+-1, 1, 1); (0, z, x )
-   * where x = 0.618033989 and z = 1.618033939.
+   * where x = 0.61803398875 and z = 1.61803398875.
    */
   glBegin ( GL_LINE_LOOP ) ;
-  glNormal3f (  0.000000f,  0.525731f,  0.850651f ) ; glVertex3f (  0.000000f,  1.618034f,  0.618034f ) ; glVertex3f ( -1.0f,  1.0f,  1.0f ) ; glVertex3f ( -0.618034f, 0.000000f,  1.618034f ) ; glVertex3f (  0.618034f, 0.000000f,  1.618034f ) ; glVertex3f (  1.0f,  1.0f,  1.0f ) ;
+  glNormal3d (  0.0,  0.525731112119,  0.850650808354 ) ; glVertex3d (  0.0,  1.61803398875,  0.61803398875 ) ; glVertex3d ( -1.0,  1.0,  1.0 ) ; glVertex3d ( -0.61803398875, 0.0,  1.61803398875 ) ; glVertex3d (  0.61803398875, 0.0,  1.61803398875 ) ; glVertex3d (  1.0,  1.0,  1.0 ) ;
   glEnd () ;
   glBegin ( GL_LINE_LOOP ) ;
-  glNormal3f (  0.000000f,  0.525731f, -0.850651f ) ; glVertex3f (  0.000000f,  1.618034f, -0.618034f ) ; glVertex3f (  1.0f,  1.0f, -1.0f ) ; glVertex3f (  0.618034f, 0.000000f, -1.618034f ) ; glVertex3f ( -0.618034f, 0.000000f, -1.618034f ) ; glVertex3f ( -1.0f,  1.0f, -1.0f ) ;
+  glNormal3d (  0.0,  0.525731112119, -0.850650808354 ) ; glVertex3d (  0.0,  1.61803398875, -0.61803398875 ) ; glVertex3d (  1.0,  1.0, -1.0 ) ; glVertex3d (  0.61803398875, 0.0, -1.61803398875 ) ; glVertex3d ( -0.61803398875, 0.0, -1.61803398875 ) ; glVertex3d ( -1.0,  1.0, -1.0 ) ;
   glEnd () ;
   glBegin ( GL_LINE_LOOP ) ;
-  glNormal3f (  0.000000f, -0.525731f,  0.850651f ) ; glVertex3f (  0.000000f, -1.618034f,  0.618034f ) ; glVertex3f (  1.0f, -1.0f,  1.0f ) ; glVertex3f (  0.618034f, 0.000000f,  1.618034f ) ; glVertex3f ( -0.618034f, 0.000000f,  1.618034f ) ; glVertex3f ( -1.0f, -1.0f,  1.0f ) ;
+  glNormal3d (  0.0, -0.525731112119,  0.850650808354 ) ; glVertex3d (  0.0, -1.61803398875,  0.61803398875 ) ; glVertex3d (  1.0, -1.0,  1.0 ) ; glVertex3d (  0.61803398875, 0.0,  1.61803398875 ) ; glVertex3d ( -0.61803398875, 0.0,  1.61803398875 ) ; glVertex3d ( -1.0, -1.0,  1.0 ) ;
   glEnd () ;
   glBegin ( GL_LINE_LOOP ) ;
-  glNormal3f (  0.000000f, -0.525731f, -0.850651f ) ; glVertex3f (  0.000000f, -1.618034f, -0.618034f ) ; glVertex3f ( -1.0f, -1.0f, -1.0f ) ; glVertex3f ( -0.618034f, 0.000000f, -1.618034f ) ; glVertex3f (  0.618034f, 0.000000f, -1.618034f ) ; glVertex3f (  1.0f, -1.0f, -1.0f ) ;
+  glNormal3d (  0.0, -0.525731112119, -0.850650808354 ) ; glVertex3d (  0.0, -1.61803398875, -0.61803398875 ) ; glVertex3d ( -1.0, -1.0, -1.0 ) ; glVertex3d ( -0.61803398875, 0.0, -1.61803398875 ) ; glVertex3d (  0.61803398875, 0.0, -1.61803398875 ) ; glVertex3d (  1.0, -1.0, -1.0 ) ;
   glEnd () ;
 
   glBegin ( GL_LINE_LOOP ) ;
-  glNormal3f (  0.850651f,  0.000000f,  0.525731f ) ; glVertex3f (  0.618034f,  0.000000f,  1.618034f ) ; glVertex3f (  1.0f, -1.0f,  1.0f ) ; glVertex3f (  1.618034f, -0.618034f, 0.000000f ) ; glVertex3f (  1.618034f,  0.618034f, 0.000000f ) ; glVertex3f (  1.0f,  1.0f,  1.0f ) ;
+  glNormal3d (  0.850650808354,  0.0,  0.525731112119 ) ; glVertex3d (  0.61803398875,  0.0,  1.61803398875 ) ; glVertex3d (  1.0, -1.0,  1.0 ) ; glVertex3d (  1.61803398875, -0.61803398875, 0.0 ) ; glVertex3d (  1.61803398875,  0.61803398875, 0.0 ) ; glVertex3d (  1.0,  1.0,  1.0 ) ;
   glEnd () ;
   glBegin ( GL_LINE_LOOP ) ;
-  glNormal3f ( -0.850651f,  0.000000f,  0.525731f ) ; glVertex3f ( -0.618034f,  0.000000f,  1.618034f ) ; glVertex3f ( -1.0f,  1.0f,  1.0f ) ; glVertex3f ( -1.618034f,  0.618034f, 0.000000f ) ; glVertex3f ( -1.618034f, -0.618034f, 0.000000f ) ; glVertex3f ( -1.0f, -1.0f,  1.0f ) ;
+  glNormal3d ( -0.850650808354,  0.0,  0.525731112119 ) ; glVertex3d ( -0.61803398875,  0.0,  1.61803398875 ) ; glVertex3d ( -1.0,  1.0,  1.0 ) ; glVertex3d ( -1.61803398875,  0.61803398875, 0.0 ) ; glVertex3d ( -1.61803398875, -0.61803398875, 0.0 ) ; glVertex3d ( -1.0, -1.0,  1.0 ) ;
   glEnd () ;
   glBegin ( GL_LINE_LOOP ) ;
-  glNormal3f (  0.850651f,  0.000000f, -0.525731f ) ; glVertex3f (  0.618034f,  0.000000f, -1.618034f ) ; glVertex3f (  1.0f,  1.0f, -1.0f ) ; glVertex3f (  1.618034f,  0.618034f, 0.000000f ) ; glVertex3f (  1.618034f, -0.618034f, 0.000000f ) ; glVertex3f (  1.0f, -1.0f, -1.0f ) ;
+  glNormal3d (  0.850650808354,  0.0, -0.525731112119 ) ; glVertex3d (  0.61803398875,  0.0, -1.61803398875 ) ; glVertex3d (  1.0,  1.0, -1.0 ) ; glVertex3d (  1.61803398875,  0.61803398875, 0.0 ) ; glVertex3d (  1.61803398875, -0.61803398875, 0.0 ) ; glVertex3d (  1.0, -1.0, -1.0 ) ;
   glEnd () ;
   glBegin ( GL_LINE_LOOP ) ;
-  glNormal3f ( -0.850651f,  0.000000f, -0.525731f ) ; glVertex3f ( -0.618034f,  0.000000f, -1.618034f ) ; glVertex3f ( -1.0f, -1.0f, -1.0f ) ; glVertex3f ( -1.618034f, -0.618034f, 0.000000f ) ; glVertex3f ( -1.618034f,  0.618034f, 0.000000f ) ; glVertex3f ( -1.0f,  1.0f, -1.0f ) ;
+  glNormal3d ( -0.850650808354,  0.0, -0.525731112119 ) ; glVertex3d ( -0.61803398875,  0.0, -1.61803398875 ) ; glVertex3d ( -1.0, -1.0, -1.0 ) ; glVertex3d ( -1.61803398875, -0.61803398875, 0.0 ) ; glVertex3d ( -1.61803398875,  0.61803398875, 0.0 ) ; glVertex3d ( -1.0,  1.0, -1.0 ) ;
   glEnd () ;
 
   glBegin ( GL_LINE_LOOP ) ;
-  glNormal3f (  0.525731f,  0.850651f,  0.000000f ) ; glVertex3f (  1.618034f,  0.618034f,  0.000000f ) ; glVertex3f (  1.0f,  1.0f, -1.0f ) ; glVertex3f ( 0.000000f,  1.618034f, -0.618034f ) ; glVertex3f ( 0.000000f,  1.618034f,  0.618034f ) ; glVertex3f (  1.0f,  1.0f,  1.0f ) ;
+  glNormal3d (  0.525731112119,  0.850650808354,  0.0 ) ; glVertex3d (  1.61803398875,  0.61803398875,  0.0 ) ; glVertex3d (  1.0,  1.0, -1.0 ) ; glVertex3d ( 0.0,  1.61803398875, -0.61803398875 ) ; glVertex3d ( 0.0,  1.61803398875,  0.61803398875 ) ; glVertex3d (  1.0,  1.0,  1.0 ) ;
   glEnd () ;
   glBegin ( GL_LINE_LOOP ) ;
-  glNormal3f (  0.525731f, -0.850651f,  0.000000f ) ; glVertex3f (  1.618034f, -0.618034f,  0.000000f ) ; glVertex3f (  1.0f, -1.0f,  1.0f ) ; glVertex3f ( 0.000000f, -1.618034f,  0.618034f ) ; glVertex3f ( 0.000000f, -1.618034f, -0.618034f ) ; glVertex3f (  1.0f, -1.0f, -1.0f ) ;
+  glNormal3d (  0.525731112119, -0.850650808354,  0.0 ) ; glVertex3d (  1.61803398875, -0.61803398875,  0.0 ) ; glVertex3d (  1.0, -1.0,  1.0 ) ; glVertex3d ( 0.0, -1.61803398875,  0.61803398875 ) ; glVertex3d ( 0.0, -1.61803398875, -0.61803398875 ) ; glVertex3d (  1.0, -1.0, -1.0 ) ;
   glEnd () ;
   glBegin ( GL_LINE_LOOP ) ;
-  glNormal3f ( -0.525731f,  0.850651f,  0.000000f ) ; glVertex3f ( -1.618034f,  0.618034f,  0.000000f ) ; glVertex3f ( -1.0f,  1.0f,  1.0f ) ; glVertex3f ( 0.000000f,  1.618034f,  0.618034f ) ; glVertex3f ( 0.000000f,  1.618034f, -0.618034f ) ; glVertex3f ( -1.0f,  1.0f, -1.0f ) ;
+  glNormal3d ( -0.525731112119,  0.850650808354,  0.0 ) ; glVertex3d ( -1.61803398875,  0.61803398875,  0.0 ) ; glVertex3d ( -1.0,  1.0,  1.0 ) ; glVertex3d ( 0.0,  1.61803398875,  0.61803398875 ) ; glVertex3d ( 0.0,  1.61803398875, -0.61803398875 ) ; glVertex3d ( -1.0,  1.0, -1.0 ) ;
   glEnd () ;
   glBegin ( GL_LINE_LOOP ) ;
-  glNormal3f ( -0.525731f, -0.850651f,  0.000000f ) ; glVertex3f ( -1.618034f, -0.618034f,  0.000000f ) ; glVertex3f ( -1.0f, -1.0f, -1.0f ) ; glVertex3f ( 0.000000f, -1.618034f, -0.618034f ) ; glVertex3f ( 0.000000f, -1.618034f,  0.618034f ) ; glVertex3f ( -1.0f, -1.0f,  1.0f ) ;
+  glNormal3d ( -0.525731112119, -0.850650808354,  0.0 ) ; glVertex3d ( -1.61803398875, -0.61803398875,  0.0 ) ; glVertex3d ( -1.0, -1.0, -1.0 ) ; glVertex3d ( 0.0, -1.61803398875, -0.61803398875 ) ; glVertex3d ( 0.0, -1.61803398875,  0.61803398875 ) ; glVertex3d ( -1.0, -1.0,  1.0 ) ;
   glEnd () ;
 }
 
@@ -696,45 +696,45 @@ void FGAPIENTRY glutSolidDodecahedron( void )
   /* Magic Numbers:  It is possible to create a dodecahedron by attaching two pentagons to each face of
    * of a cube.  The coordinates of the points are:
    *   (+-x,0, z); (+-1, 1, 1); (0, z, x )
-   * where x = 0.618033989 and z = 1.618033939.
+   * where x = 0.61803398875 and z = 1.61803398875.
    */
   glBegin ( GL_POLYGON ) ;
-  glNormal3f (  0.000000f,  0.525731f,  0.850651f ) ; glVertex3f (  0.000000f,  1.618034f,  0.618034f ) ; glVertex3f ( -1.0f,  1.0f,  1.0f ) ; glVertex3f ( -0.618034f, 0.000000f,  1.618034f ) ; glVertex3f (  0.618034f, 0.000000f,  1.618034f ) ; glVertex3f (  1.0f,  1.0f,  1.0f ) ;
+  glNormal3d (  0.0,  0.525731112119,  0.850650808354 ) ; glVertex3d (  0.0,  1.61803398875,  0.61803398875 ) ; glVertex3d ( -1.0,  1.0,  1.0 ) ; glVertex3d ( -0.61803398875, 0.0,  1.61803398875 ) ; glVertex3d (  0.61803398875, 0.0,  1.61803398875 ) ; glVertex3d (  1.0,  1.0,  1.0 ) ;
   glEnd () ;
   glBegin ( GL_POLYGON ) ;
-  glNormal3f (  0.000000f,  0.525731f, -0.850651f ) ; glVertex3f (  0.000000f,  1.618034f, -0.618034f ) ; glVertex3f (  1.0f,  1.0f, -1.0f ) ; glVertex3f (  0.618034f, 0.000000f, -1.618034f ) ; glVertex3f ( -0.618034f, 0.000000f, -1.618034f ) ; glVertex3f ( -1.0f,  1.0f, -1.0f ) ;
+  glNormal3d (  0.0,  0.525731112119, -0.850650808354 ) ; glVertex3d (  0.0,  1.61803398875, -0.61803398875 ) ; glVertex3d (  1.0,  1.0, -1.0 ) ; glVertex3d (  0.61803398875, 0.0, -1.61803398875 ) ; glVertex3d ( -0.61803398875, 0.0, -1.61803398875 ) ; glVertex3d ( -1.0,  1.0, -1.0 ) ;
   glEnd () ;
   glBegin ( GL_POLYGON ) ;
-  glNormal3f (  0.000000f, -0.525731f,  0.850651f ) ; glVertex3f (  0.000000f, -1.618034f,  0.618034f ) ; glVertex3f (  1.0f, -1.0f,  1.0f ) ; glVertex3f (  0.618034f, 0.000000f,  1.618034f ) ; glVertex3f ( -0.618034f, 0.000000f,  1.618034f ) ; glVertex3f ( -1.0f, -1.0f,  1.0f ) ;
+  glNormal3d (  0.0, -0.525731112119,  0.850650808354 ) ; glVertex3d (  0.0, -1.61803398875,  0.61803398875 ) ; glVertex3d (  1.0, -1.0,  1.0 ) ; glVertex3d (  0.61803398875, 0.0,  1.61803398875 ) ; glVertex3d ( -0.61803398875, 0.0,  1.61803398875 ) ; glVertex3d ( -1.0, -1.0,  1.0 ) ;
   glEnd () ;
   glBegin ( GL_POLYGON ) ;
-  glNormal3f (  0.000000f, -0.525731f, -0.850651f ) ; glVertex3f (  0.000000f, -1.618034f, -0.618034f ) ; glVertex3f ( -1.0f, -1.0f, -1.0f ) ; glVertex3f ( -0.618034f, 0.000000f, -1.618034f ) ; glVertex3f (  0.618034f, 0.000000f, -1.618034f ) ; glVertex3f (  1.0f, -1.0f, -1.0f ) ;
+  glNormal3d (  0.0, -0.525731112119, -0.850650808354 ) ; glVertex3d (  0.0, -1.61803398875, -0.61803398875 ) ; glVertex3d ( -1.0, -1.0, -1.0 ) ; glVertex3d ( -0.61803398875, 0.0, -1.61803398875 ) ; glVertex3d (  0.61803398875, 0.0, -1.61803398875 ) ; glVertex3d (  1.0, -1.0, -1.0 ) ;
   glEnd () ;
 
   glBegin ( GL_POLYGON ) ;
-  glNormal3f (  0.850651f,  0.000000f,  0.525731f ) ; glVertex3f (  0.618034f,  0.000000f,  1.618034f ) ; glVertex3f (  1.0f, -1.0f,  1.0f ) ; glVertex3f (  1.618034f, -0.618034f, 0.000000f ) ; glVertex3f (  1.618034f,  0.618034f, 0.000000f ) ; glVertex3f (  1.0f,  1.0f,  1.0f ) ;
+  glNormal3d (  0.850650808354,  0.0,  0.525731112119 ) ; glVertex3d (  0.61803398875,  0.0,  1.61803398875 ) ; glVertex3d (  1.0, -1.0,  1.0 ) ; glVertex3d (  1.61803398875, -0.61803398875, 0.0 ) ; glVertex3d (  1.61803398875,  0.61803398875, 0.0 ) ; glVertex3d (  1.0,  1.0,  1.0 ) ;
   glEnd () ;
   glBegin ( GL_POLYGON ) ;
-  glNormal3f ( -0.850651f,  0.000000f,  0.525731f ) ; glVertex3f ( -0.618034f,  0.000000f,  1.618034f ) ; glVertex3f ( -1.0f,  1.0f,  1.0f ) ; glVertex3f ( -1.618034f,  0.618034f, 0.000000f ) ; glVertex3f ( -1.618034f, -0.618034f, 0.000000f ) ; glVertex3f ( -1.0f, -1.0f,  1.0f ) ;
+  glNormal3d ( -0.850650808354,  0.0,  0.525731112119 ) ; glVertex3d ( -0.61803398875,  0.0,  1.61803398875 ) ; glVertex3d ( -1.0,  1.0,  1.0 ) ; glVertex3d ( -1.61803398875,  0.61803398875, 0.0 ) ; glVertex3d ( -1.61803398875, -0.61803398875, 0.0 ) ; glVertex3d ( -1.0, -1.0,  1.0 ) ;
   glEnd () ;
   glBegin ( GL_POLYGON ) ;
-  glNormal3f (  0.850651f,  0.000000f, -0.525731f ) ; glVertex3f (  0.618034f,  0.000000f, -1.618034f ) ; glVertex3f (  1.0f,  1.0f, -1.0f ) ; glVertex3f (  1.618034f,  0.618034f, 0.000000f ) ; glVertex3f (  1.618034f, -0.618034f, 0.000000f ) ; glVertex3f (  1.0f, -1.0f, -1.0f ) ;
+  glNormal3d (  0.850650808354,  0.0, -0.525731112119 ) ; glVertex3d (  0.61803398875,  0.0, -1.61803398875 ) ; glVertex3d (  1.0,  1.0, -1.0 ) ; glVertex3d (  1.61803398875,  0.61803398875, 0.0 ) ; glVertex3d (  1.61803398875, -0.61803398875, 0.0 ) ; glVertex3d (  1.0, -1.0, -1.0 ) ;
   glEnd () ;
   glBegin ( GL_POLYGON ) ;
-  glNormal3f ( -0.850651f,  0.000000f, -0.525731f ) ; glVertex3f ( -0.618034f,  0.000000f, -1.618034f ) ; glVertex3f ( -1.0f, -1.0f, -1.0f ) ; glVertex3f ( -1.618034f, -0.618034f, 0.000000f ) ; glVertex3f ( -1.618034f,  0.618034f, 0.000000f ) ; glVertex3f ( -1.0f,  1.0f, -1.0f ) ;
+  glNormal3d ( -0.850650808354,  0.0, -0.525731112119 ) ; glVertex3d ( -0.61803398875,  0.0, -1.61803398875 ) ; glVertex3d ( -1.0, -1.0, -1.0 ) ; glVertex3d ( -1.61803398875, -0.61803398875, 0.0 ) ; glVertex3d ( -1.61803398875,  0.61803398875, 0.0 ) ; glVertex3d ( -1.0,  1.0, -1.0 ) ;
   glEnd () ;
 
   glBegin ( GL_POLYGON ) ;
-  glNormal3f (  0.525731f,  0.850651f,  0.000000f ) ; glVertex3f (  1.618034f,  0.618034f,  0.000000f ) ; glVertex3f (  1.0f,  1.0f, -1.0f ) ; glVertex3f ( 0.000000f,  1.618034f, -0.618034f ) ; glVertex3f ( 0.000000f,  1.618034f,  0.618034f ) ; glVertex3f (  1.0f,  1.0f,  1.0f ) ;
+  glNormal3d (  0.525731112119,  0.850650808354,  0.0 ) ; glVertex3d (  1.61803398875,  0.61803398875,  0.0 ) ; glVertex3d (  1.0,  1.0, -1.0 ) ; glVertex3d ( 0.0,  1.61803398875, -0.61803398875 ) ; glVertex3d ( 0.0,  1.61803398875,  0.61803398875 ) ; glVertex3d (  1.0,  1.0,  1.0 ) ;
   glEnd () ;
   glBegin ( GL_POLYGON ) ;
-  glNormal3f (  0.525731f, -0.850651f,  0.000000f ) ; glVertex3f (  1.618034f, -0.618034f,  0.000000f ) ; glVertex3f (  1.0f, -1.0f,  1.0f ) ; glVertex3f ( 0.000000f, -1.618034f,  0.618034f ) ; glVertex3f ( 0.000000f, -1.618034f, -0.618034f ) ; glVertex3f (  1.0f, -1.0f, -1.0f ) ;
+  glNormal3d (  0.525731112119, -0.850650808354,  0.0 ) ; glVertex3d (  1.61803398875, -0.61803398875,  0.0 ) ; glVertex3d (  1.0, -1.0,  1.0 ) ; glVertex3d ( 0.0, -1.61803398875,  0.61803398875 ) ; glVertex3d ( 0.0, -1.61803398875, -0.61803398875 ) ; glVertex3d (  1.0, -1.0, -1.0 ) ;
   glEnd () ;
   glBegin ( GL_POLYGON ) ;
-  glNormal3f ( -0.525731f,  0.850651f,  0.000000f ) ; glVertex3f ( -1.618034f,  0.618034f,  0.000000f ) ; glVertex3f ( -1.0f,  1.0f,  1.0f ) ; glVertex3f ( 0.000000f,  1.618034f,  0.618034f ) ; glVertex3f ( 0.000000f,  1.618034f, -0.618034f ) ; glVertex3f ( -1.0f,  1.0f, -1.0f ) ;
+  glNormal3d ( -0.525731112119,  0.850650808354,  0.0 ) ; glVertex3d ( -1.61803398875,  0.61803398875,  0.0 ) ; glVertex3d ( -1.0,  1.0,  1.0 ) ; glVertex3d ( 0.0,  1.61803398875,  0.61803398875 ) ; glVertex3d ( 0.0,  1.61803398875, -0.61803398875 ) ; glVertex3d ( -1.0,  1.0, -1.0 ) ;
   glEnd () ;
   glBegin ( GL_POLYGON ) ;
-  glNormal3f ( -0.525731f, -0.850651f,  0.000000f ) ; glVertex3f ( -1.618034f, -0.618034f,  0.000000f ) ; glVertex3f ( -1.0f, -1.0f, -1.0f ) ; glVertex3f ( 0.000000f, -1.618034f, -0.618034f ) ; glVertex3f ( 0.000000f, -1.618034f,  0.618034f ) ; glVertex3f ( -1.0f, -1.0f,  1.0f ) ;
+  glNormal3d ( -0.525731112119, -0.850650808354,  0.0 ) ; glVertex3d ( -1.61803398875, -0.61803398875,  0.0 ) ; glVertex3d ( -1.0, -1.0, -1.0 ) ; glVertex3d ( 0.0, -1.61803398875, -0.61803398875 ) ; glVertex3d ( 0.0, -1.61803398875,  0.61803398875 ) ; glVertex3d ( -1.0, -1.0,  1.0 ) ;
   glEnd () ;
 }
 
@@ -745,14 +745,14 @@ void FGAPIENTRY glutWireOctahedron( void )
 {
 #define RADIUS    1.0f
   glBegin( GL_LINE_LOOP );
-    glNormal3f( 0.577350f, 0.577350f, 0.577350f); glVertex3f( RADIUS, 0.0f, 0.0f ); glVertex3f( 0.0f, RADIUS, 0.0f ); glVertex3f( 0.0f, 0.0f, RADIUS );
-    glNormal3f( 0.577350f, 0.577350f,-0.577350f); glVertex3f( RADIUS, 0.0f, 0.0f ); glVertex3f( 0.0f, RADIUS, 0.0f ); glVertex3f( 0.0f, 0.0f,-RADIUS );
-    glNormal3f( 0.577350f,-0.577350f, 0.577350f); glVertex3f( RADIUS, 0.0f, 0.0f ); glVertex3f( 0.0f,-RADIUS, 0.0f ); glVertex3f( 0.0f, 0.0f, RADIUS );
-    glNormal3f( 0.577350f,-0.577350f,-0.577350f); glVertex3f( RADIUS, 0.0f, 0.0f ); glVertex3f( 0.0f,-RADIUS, 0.0f ); glVertex3f( 0.0f, 0.0f,-RADIUS );
-    glNormal3f(-0.577350f, 0.577350f, 0.577350f); glVertex3f(-RADIUS, 0.0f, 0.0f ); glVertex3f( 0.0f, RADIUS, 0.0f ); glVertex3f( 0.0f, 0.0f, RADIUS );
-    glNormal3f(-0.577350f, 0.577350f,-0.577350f); glVertex3f(-RADIUS, 0.0f, 0.0f ); glVertex3f( 0.0f, RADIUS, 0.0f ); glVertex3f( 0.0f, 0.0f,-RADIUS );
-    glNormal3f(-0.577350f,-0.577350f, 0.577350f); glVertex3f(-RADIUS, 0.0f, 0.0f ); glVertex3f( 0.0f,-RADIUS, 0.0f ); glVertex3f( 0.0f, 0.0f, RADIUS );
-    glNormal3f(-0.577350f,-0.577350f,-0.577350f); glVertex3f(-RADIUS, 0.0f, 0.0f ); glVertex3f( 0.0f,-RADIUS, 0.0f ); glVertex3f( 0.0f, 0.0f,-RADIUS );
+    glNormal3d( 0.577350269189, 0.577350269189, 0.577350269189); glVertex3d( RADIUS, 0.0, 0.0 ); glVertex3d( 0.0, RADIUS, 0.0 ); glVertex3d( 0.0, 0.0, RADIUS );
+    glNormal3d( 0.577350269189, 0.577350269189,-0.577350269189); glVertex3d( RADIUS, 0.0, 0.0 ); glVertex3d( 0.0, RADIUS, 0.0 ); glVertex3d( 0.0, 0.0,-RADIUS );
+    glNormal3d( 0.577350269189,-0.577350269189, 0.577350269189); glVertex3d( RADIUS, 0.0, 0.0 ); glVertex3d( 0.0,-RADIUS, 0.0 ); glVertex3d( 0.0, 0.0, RADIUS );
+    glNormal3d( 0.577350269189,-0.577350269189,-0.577350269189); glVertex3d( RADIUS, 0.0, 0.0 ); glVertex3d( 0.0,-RADIUS, 0.0 ); glVertex3d( 0.0, 0.0,-RADIUS );
+    glNormal3d(-0.577350269189, 0.577350269189, 0.577350269189); glVertex3d(-RADIUS, 0.0, 0.0 ); glVertex3d( 0.0, RADIUS, 0.0 ); glVertex3d( 0.0, 0.0, RADIUS );
+    glNormal3d(-0.577350269189, 0.577350269189,-0.577350269189); glVertex3d(-RADIUS, 0.0, 0.0 ); glVertex3d( 0.0, RADIUS, 0.0 ); glVertex3d( 0.0, 0.0,-RADIUS );
+    glNormal3d(-0.577350269189,-0.577350269189, 0.577350269189); glVertex3d(-RADIUS, 0.0, 0.0 ); glVertex3d( 0.0,-RADIUS, 0.0 ); glVertex3d( 0.0, 0.0, RADIUS );
+    glNormal3d(-0.577350269189,-0.577350269189,-0.577350269189); glVertex3d(-RADIUS, 0.0, 0.0 ); glVertex3d( 0.0,-RADIUS, 0.0 ); glVertex3d( 0.0, 0.0,-RADIUS );
   glEnd();
 #undef RADIUS
 }
@@ -764,14 +764,14 @@ void FGAPIENTRY glutSolidOctahedron( void )
 {
 #define RADIUS    1.0f
   glBegin( GL_TRIANGLES );
-    glNormal3f( 0.577350f, 0.577350f, 0.577350f); glVertex3f( RADIUS, 0.0f, 0.0f ); glVertex3f( 0.0f, RADIUS, 0.0f ); glVertex3f( 0.0f, 0.0f, RADIUS );
-    glNormal3f( 0.577350f, 0.577350f,-0.577350f); glVertex3f( RADIUS, 0.0f, 0.0f ); glVertex3f( 0.0f, RADIUS, 0.0f ); glVertex3f( 0.0f, 0.0f,-RADIUS );
-    glNormal3f( 0.577350f,-0.577350f, 0.577350f); glVertex3f( RADIUS, 0.0f, 0.0f ); glVertex3f( 0.0f,-RADIUS, 0.0f ); glVertex3f( 0.0f, 0.0f, RADIUS );
-    glNormal3f( 0.577350f,-0.577350f,-0.577350f); glVertex3f( RADIUS, 0.0f, 0.0f ); glVertex3f( 0.0f,-RADIUS, 0.0f ); glVertex3f( 0.0f, 0.0f,-RADIUS );
-    glNormal3f(-0.577350f, 0.577350f, 0.577350f); glVertex3f(-RADIUS, 0.0f, 0.0f ); glVertex3f( 0.0f, RADIUS, 0.0f ); glVertex3f( 0.0f, 0.0f, RADIUS );
-    glNormal3f(-0.577350f, 0.577350f,-0.577350f); glVertex3f(-RADIUS, 0.0f, 0.0f ); glVertex3f( 0.0f, RADIUS, 0.0f ); glVertex3f( 0.0f, 0.0f,-RADIUS );
-    glNormal3f(-0.577350f,-0.577350f, 0.577350f); glVertex3f(-RADIUS, 0.0f, 0.0f ); glVertex3f( 0.0f,-RADIUS, 0.0f ); glVertex3f( 0.0f, 0.0f, RADIUS );
-    glNormal3f(-0.577350f,-0.577350f,-0.577350f); glVertex3f(-RADIUS, 0.0f, 0.0f ); glVertex3f( 0.0f,-RADIUS, 0.0f ); glVertex3f( 0.0f, 0.0f,-RADIUS );
+    glNormal3d( 0.577350269189, 0.577350269189, 0.577350269189); glVertex3d( RADIUS, 0.0, 0.0 ); glVertex3d( 0.0, RADIUS, 0.0 ); glVertex3d( 0.0, 0.0, RADIUS );
+    glNormal3d( 0.577350269189, 0.577350269189,-0.577350269189); glVertex3d( RADIUS, 0.0, 0.0 ); glVertex3d( 0.0, RADIUS, 0.0 ); glVertex3d( 0.0, 0.0,-RADIUS );
+    glNormal3d( 0.577350269189,-0.577350269189, 0.577350269189); glVertex3d( RADIUS, 0.0, 0.0 ); glVertex3d( 0.0,-RADIUS, 0.0 ); glVertex3d( 0.0, 0.0, RADIUS );
+    glNormal3d( 0.577350269189,-0.577350269189,-0.577350269189); glVertex3d( RADIUS, 0.0, 0.0 ); glVertex3d( 0.0,-RADIUS, 0.0 ); glVertex3d( 0.0, 0.0,-RADIUS );
+    glNormal3d(-0.577350269189, 0.577350269189, 0.577350269189); glVertex3d(-RADIUS, 0.0, 0.0 ); glVertex3d( 0.0, RADIUS, 0.0 ); glVertex3d( 0.0, 0.0, RADIUS );
+    glNormal3d(-0.577350269189, 0.577350269189,-0.577350269189); glVertex3d(-RADIUS, 0.0, 0.0 ); glVertex3d( 0.0, RADIUS, 0.0 ); glVertex3d( 0.0, 0.0,-RADIUS );
+    glNormal3d(-0.577350269189,-0.577350269189, 0.577350269189); glVertex3d(-RADIUS, 0.0, 0.0 ); glVertex3d( 0.0,-RADIUS, 0.0 ); glVertex3d( 0.0, 0.0, RADIUS );
+    glNormal3d(-0.577350269189,-0.577350269189,-0.577350269189); glVertex3d(-RADIUS, 0.0, 0.0 ); glVertex3d( 0.0,-RADIUS, 0.0 ); glVertex3d( 0.0, 0.0,-RADIUS );
   glEnd();
 #undef RADIUS
 }
@@ -791,16 +791,16 @@ void FGAPIENTRY glutWireTetrahedron( void )
    * Normals:  The unit normals are simply the negative of the coordinates of the point not on the surface.
    */
 
-  float r0[3] = {       1.0f,       0.0f,       0.0f } ;
-  float r1[3] = { -0.333333f,  0.942809f,       0.0f } ;
-  float r2[3] = { -0.333333f, -0.471405f,  0.816497f } ;
-  float r3[3] = { -0.333333f, -0.471405f, -0.816497f } ;
+  double r0[3] = {             1.0,             0.0,             0.0 } ;
+  double r1[3] = { -0.333333333333,  0.942809041582,             0.0 } ;
+  double r2[3] = { -0.333333333333, -0.471404520791,  0.816496580928 } ;
+  double r3[3] = { -0.333333333333, -0.471404520791, -0.816496580928 } ;
 
   glBegin( GL_LINE_LOOP ) ;
-    glNormal3f (     -1.0f,       0.0f,       0.0f ) ; glVertex3fv ( r1 ) ; glVertex3fv ( r3 ) ; glVertex3fv ( r2 ) ;
-    glNormal3f ( 0.333333f, -0.942809f,       0.0f ) ; glVertex3fv ( r0 ) ; glVertex3fv ( r2 ) ; glVertex3fv ( r3 ) ;
-    glNormal3f ( 0.333333f,  0.471405f, -0.816497f ) ; glVertex3fv ( r0 ) ; glVertex3fv ( r3 ) ; glVertex3fv ( r1 ) ;
-    glNormal3f ( 0.333333f,  0.471405f,  0.816497f ) ; glVertex3fv ( r0 ) ; glVertex3fv ( r1 ) ; glVertex3fv ( r2 ) ;
+    glNormal3d (           -1.0,             0.0,             0.0 ) ; glVertex3dv ( r1 ) ; glVertex3dv ( r3 ) ; glVertex3dv ( r2 ) ;
+    glNormal3d ( 0.333333333333, -0.942809041582,             0.0 ) ; glVertex3dv ( r0 ) ; glVertex3dv ( r2 ) ; glVertex3dv ( r3 ) ;
+    glNormal3d ( 0.333333333333,  0.471404520791, -0.816496580928 ) ; glVertex3dv ( r0 ) ; glVertex3dv ( r3 ) ; glVertex3dv ( r1 ) ;
+    glNormal3d ( 0.333333333333,  0.471404520791,  0.816496580928 ) ; glVertex3dv ( r0 ) ; glVertex3dv ( r1 ) ; glVertex3dv ( r2 ) ;
   glEnd() ;
 }
 
@@ -819,26 +819,26 @@ void FGAPIENTRY glutSolidTetrahedron( void )
    * Normals:  The unit normals are simply the negative of the coordinates of the point not on the surface.
    */
 
-  float r0[3] = {       1.0f,       0.0f,       0.0f } ;
-  float r1[3] = { -0.333333f,  0.942809f,       0.0f } ;
-  float r2[3] = { -0.333333f, -0.471405f,  0.816497f } ;
-  float r3[3] = { -0.333333f, -0.471405f, -0.816497f } ;
+  double r0[3] = {             1.0,             0.0,             0.0 } ;
+  double r1[3] = { -0.333333333333,  0.942809041582,             0.0 } ;
+  double r2[3] = { -0.333333333333, -0.471404520791,  0.816496580928 } ;
+  double r3[3] = { -0.333333333333, -0.471404520791, -0.816496580928 } ;
 
   glBegin( GL_TRIANGLES ) ;
-    glNormal3f (     -1.0f,       0.0f,       0.0f ) ; glVertex3fv ( r1 ) ; glVertex3fv ( r3 ) ; glVertex3fv ( r2 ) ;
-    glNormal3f ( 0.333333f, -0.942809f,       0.0f ) ; glVertex3fv ( r0 ) ; glVertex3fv ( r2 ) ; glVertex3fv ( r3 ) ;
-    glNormal3f ( 0.333333f,  0.471405f, -0.816497f ) ; glVertex3fv ( r0 ) ; glVertex3fv ( r3 ) ; glVertex3fv ( r1 ) ;
-    glNormal3f ( 0.333333f,  0.471405f,  0.816497f ) ; glVertex3fv ( r0 ) ; glVertex3fv ( r1 ) ; glVertex3fv ( r2 ) ;
+    glNormal3d (           -1.0,             0.0,             0.0 ) ; glVertex3dv ( r1 ) ; glVertex3dv ( r3 ) ; glVertex3dv ( r2 ) ;
+    glNormal3d ( 0.333333333333, -0.942809041582,             0.0 ) ; glVertex3dv ( r0 ) ; glVertex3dv ( r2 ) ; glVertex3dv ( r3 ) ;
+    glNormal3d ( 0.333333333333,  0.471404520791, -0.816496580928 ) ; glVertex3dv ( r0 ) ; glVertex3dv ( r3 ) ; glVertex3dv ( r1 ) ;
+    glNormal3d ( 0.333333333333,  0.471404520791,  0.816496580928 ) ; glVertex3dv ( r0 ) ; glVertex3dv ( r1 ) ; glVertex3dv ( r2 ) ;
   glEnd() ;
 }
 
 /*
  *
  */
-float icos_r[12][3] = { { 1.0f, 0.0f, 0.0f },
-  {  0.447214f,  0.894427f, 0.0f }, {  0.447214f,  0.276393f, 0.850651f }, {  0.447214f, -0.723607f, 0.525731f }, {  0.447214f, -0.723607f, -0.525731f }, {  0.447214f,  0.276393f, -0.850651f },
-  { -0.447214f, -0.894427f, 0.0f }, { -0.447214f, -0.276393f, 0.850651f }, { -0.447214f,  0.723607f, 0.525731f }, { -0.447214f,  0.723607f, -0.525731f }, { -0.447214f, -0.276393f, -0.850651f },
-  { -1.0f, 0.0f, 0.0f } } ;
+double icos_r[12][3] = { { 1.0, 0.0, 0.0 },
+  {  0.447213595500,  0.894427191000, 0.0 }, {  0.447213595500,  0.276393202252, 0.850650808354 }, {  0.447213595500, -0.723606797748, 0.525731112119 }, {  0.447213595500, -0.723606797748, -0.525731112119 }, {  0.447213595500,  0.276393202252, -0.850650808354 },
+  { -0.447213595500, -0.894427191000, 0.0 }, { -0.447213595500, -0.276393202252, 0.850650808354 }, { -0.447213595500,  0.723606797748, 0.525731112119 }, { -0.447213595500,  0.723606797748, -0.525731112119 }, { -0.447213595500, -0.276393202252, -0.850650808354 },
+  { -1.0, 0.0, 0.0 } } ;
 int icos_v [20][3] = { { 0, 1, 2 }, { 0, 2, 3 }, { 0, 3, 4 }, { 0, 4, 5 }, { 0, 5, 1 },
                        { 1, 8, 2 }, { 2, 7, 3 }, { 3, 6, 4 }, { 4, 10, 5 }, { 5, 9, 1 },
                        { 1, 9, 8 }, { 2, 8, 7 }, { 3, 7, 6 }, { 4, 6, 10 }, { 5, 10, 9 },
@@ -849,15 +849,15 @@ void FGAPIENTRY glutWireIcosahedron( void )
   int i ;
   for ( i = 0; i < 20; i++ )
   {
-    float normal[3] ;
+    double normal[3] ;
     normal[0] = ( icos_r[icos_v[i][1]][1] - icos_r[icos_v[i][0]][1] ) * ( icos_r[icos_v[i][2]][2] - icos_r[icos_v[i][0]][2] ) - ( icos_r[icos_v[i][1]][2] - icos_r[icos_v[i][0]][2] ) * ( icos_r[icos_v[i][2]][1] - icos_r[icos_v[i][0]][1] ) ;
     normal[1] = ( icos_r[icos_v[i][1]][2] - icos_r[icos_v[i][0]][2] ) * ( icos_r[icos_v[i][2]][0] - icos_r[icos_v[i][0]][0] ) - ( icos_r[icos_v[i][1]][0] - icos_r[icos_v[i][0]][0] ) * ( icos_r[icos_v[i][2]][2] - icos_r[icos_v[i][0]][2] ) ;
     normal[2] = ( icos_r[icos_v[i][1]][0] - icos_r[icos_v[i][0]][0] ) * ( icos_r[icos_v[i][2]][1] - icos_r[icos_v[i][0]][1] ) - ( icos_r[icos_v[i][1]][1] - icos_r[icos_v[i][0]][1] ) * ( icos_r[icos_v[i][2]][0] - icos_r[icos_v[i][0]][0] ) ;
     glBegin ( GL_LINE_LOOP ) ;
-      glNormal3fv ( normal ) ;
-      glVertex3fv ( icos_r[icos_v[i][0]] ) ;
-      glVertex3fv ( icos_r[icos_v[i][1]] ) ;
-      glVertex3fv ( icos_r[icos_v[i][2]] ) ;
+      glNormal3dv ( normal ) ;
+      glVertex3dv ( icos_r[icos_v[i][0]] ) ;
+      glVertex3dv ( icos_r[icos_v[i][1]] ) ;
+      glVertex3dv ( icos_r[icos_v[i][2]] ) ;
     glEnd () ;
   }
 }
@@ -872,14 +872,14 @@ void FGAPIENTRY glutSolidIcosahedron( void )
   glBegin ( GL_TRIANGLES ) ;
   for ( i = 0; i < 20; i++ )
   {
-    float normal[3] ;
+    double normal[3] ;
     normal[0] = ( icos_r[icos_v[i][1]][1] - icos_r[icos_v[i][0]][1] ) * ( icos_r[icos_v[i][2]][2] - icos_r[icos_v[i][0]][2] ) - ( icos_r[icos_v[i][1]][2] - icos_r[icos_v[i][0]][2] ) * ( icos_r[icos_v[i][2]][1] - icos_r[icos_v[i][0]][1] ) ;
     normal[1] = ( icos_r[icos_v[i][1]][2] - icos_r[icos_v[i][0]][2] ) * ( icos_r[icos_v[i][2]][0] - icos_r[icos_v[i][0]][0] ) - ( icos_r[icos_v[i][1]][0] - icos_r[icos_v[i][0]][0] ) * ( icos_r[icos_v[i][2]][2] - icos_r[icos_v[i][0]][2] ) ;
     normal[2] = ( icos_r[icos_v[i][1]][0] - icos_r[icos_v[i][0]][0] ) * ( icos_r[icos_v[i][2]][1] - icos_r[icos_v[i][0]][1] ) - ( icos_r[icos_v[i][1]][1] - icos_r[icos_v[i][0]][1] ) * ( icos_r[icos_v[i][2]][0] - icos_r[icos_v[i][0]][0] ) ;
-      glNormal3fv ( normal ) ;
-      glVertex3fv ( icos_r[icos_v[i][0]] ) ;
-      glVertex3fv ( icos_r[icos_v[i][1]] ) ;
-      glVertex3fv ( icos_r[icos_v[i][2]] ) ;
+      glNormal3dv ( normal ) ;
+      glVertex3dv ( icos_r[icos_v[i][0]] ) ;
+      glVertex3dv ( icos_r[icos_v[i][1]] ) ;
+      glVertex3dv ( icos_r[icos_v[i][2]] ) ;
   }
 
   glEnd () ;
@@ -888,18 +888,18 @@ void FGAPIENTRY glutSolidIcosahedron( void )
 /*
  *
  */
-float rdod_r[14][3] = { { 0.0f, 0.0f, 1.0f },
-  {  0.707107f,  0.000000f,  0.5f }, {  0.000000f,  0.707107f,  0.5f }, { -0.707107f,  0.000000f,  0.5f }, {  0.000000f, -0.707107f,  0.5f },
-  {  0.707107f,  0.707107f,  0.0f }, { -0.707107f,  0.707107f,  0.0f }, { -0.707107f, -0.707107f,  0.0f }, {  0.707107f, -0.707107f,  0.0f },
-  {  0.707107f,  0.000000f, -0.5f }, {  0.000000f,  0.707107f, -0.5f }, { -0.707107f,  0.000000f, -0.5f }, {  0.000000f, -0.707107f, -0.5f },
-  {  0.0f, 0.0f, -1.0f } } ;
+double rdod_r[14][3] = { { 0.0, 0.0, 1.0 },
+  {  0.707106781187,  0.000000000000,  0.5 }, {  0.000000000000,  0.707106781187,  0.5 }, { -0.707106781187,  0.000000000000,  0.5 }, {  0.000000000000, -0.707106781187,  0.5 },
+  {  0.707106781187,  0.707106781187,  0.0 }, { -0.707106781187,  0.707106781187,  0.0 }, { -0.707106781187, -0.707106781187,  0.0 }, {  0.707106781187, -0.707106781187,  0.0 },
+  {  0.707106781187,  0.000000000000, -0.5 }, {  0.000000000000,  0.707106781187, -0.5 }, { -0.707106781187,  0.000000000000, -0.5 }, {  0.000000000000, -0.707106781187, -0.5 },
+  {  0.0, 0.0, -1.0 } } ;
 int rdod_v [12][4] = { { 0,  1,  5,  2 }, { 0,  2,  6,  3 }, { 0,  3,  7,  4 }, { 0,  4,  8, 1 },
                        { 5, 10,  6,  2 }, { 6, 11,  7,  3 }, { 7, 12,  8,  4 }, { 8,  9,  5, 1 },
                        { 5,  9, 13, 10 }, { 6, 10, 13, 11 }, { 7, 11, 13, 12 }, { 8, 12, 13, 9 } } ;
-float rdod_n[12][3] = {
-  {  0.353553f,  0.353553f,  0.5f }, { -0.353553f,  0.353553f,  0.5f }, { -0.353553f, -0.353553f,  0.5f }, {  0.353553f, -0.353553f,  0.5f },
-  {  0.000000f,  1.000000f,  0.0f }, { -1.000000f,  0.000000f,  0.0f }, {  0.000000f, -1.000000f,  0.0f }, {  1.000000f,  0.000000f,  0.0f },
-  {  0.353553f,  0.353553f, -0.5f }, { -0.353553f,  0.353553f, -0.5f }, { -0.353553f, -0.353553f, -0.5f }, {  0.353553f, -0.353553f, -0.5f }
+double rdod_n[12][3] = {
+  {  0.353553390594,  0.353553390594,  0.5 }, { -0.353553390594,  0.353553390594,  0.5 }, { -0.353553390594, -0.353553390594,  0.5 }, {  0.353553390594, -0.353553390594,  0.5 },
+  {  0.000000000000,  1.000000000000,  0.0 }, { -1.000000000000,  0.000000000000,  0.0 }, {  0.000000000000, -1.000000000000,  0.0 }, {  1.000000000000,  0.000000000000,  0.0 },
+  {  0.353553390594,  0.353553390594, -0.5 }, { -0.353553390594,  0.353553390594, -0.5 }, { -0.353553390594, -0.353553390594, -0.5 }, {  0.353553390594, -0.353553390594, -0.5 }
   } ;
 
 void FGAPIENTRY glutWireRhombicDodecahedron( void )
@@ -908,11 +908,11 @@ void FGAPIENTRY glutWireRhombicDodecahedron( void )
   for ( i = 0; i < 12; i++ )
   {
     glBegin ( GL_LINE_LOOP ) ;
-      glNormal3fv ( rdod_n[i] ) ;
-      glVertex3fv ( rdod_r[rdod_v[i][0]] ) ;
-      glVertex3fv ( rdod_r[rdod_v[i][1]] ) ;
-      glVertex3fv ( rdod_r[rdod_v[i][2]] ) ;
-      glVertex3fv ( rdod_r[rdod_v[i][3]] ) ;
+      glNormal3dv ( rdod_n[i] ) ;
+      glVertex3dv ( rdod_r[rdod_v[i][0]] ) ;
+      glVertex3dv ( rdod_r[rdod_v[i][1]] ) ;
+      glVertex3dv ( rdod_r[rdod_v[i][2]] ) ;
+      glVertex3dv ( rdod_r[rdod_v[i][3]] ) ;
     glEnd () ;
   }
 }
@@ -927,11 +927,11 @@ void FGAPIENTRY glutSolidRhombicDodecahedron( void )
   glBegin ( GL_QUADS ) ;
   for ( i = 0; i < 12; i++ )
   {
-      glNormal3fv ( rdod_n[i] ) ;
-      glVertex3fv ( rdod_r[rdod_v[i][0]] ) ;
-      glVertex3fv ( rdod_r[rdod_v[i][1]] ) ;
-      glVertex3fv ( rdod_r[rdod_v[i][2]] ) ;
-      glVertex3fv ( rdod_r[rdod_v[i][3]] ) ;
+      glNormal3dv ( rdod_n[i] ) ;
+      glVertex3dv ( rdod_r[rdod_v[i][0]] ) ;
+      glVertex3dv ( rdod_r[rdod_v[i][1]] ) ;
+      glVertex3dv ( rdod_r[rdod_v[i][2]] ) ;
+      glVertex3dv ( rdod_r[rdod_v[i][3]] ) ;
   }
 
   glEnd () ;
@@ -939,12 +939,12 @@ void FGAPIENTRY glutSolidRhombicDodecahedron( void )
 
 #define NUM_FACES     4
 
-static GLfloat tetrahedron_v[4][3] =  /* Vertices */
+static GLdouble tetrahedron_v[4][3] =  /* Vertices */
 {
-  { -0.5, -0.288675134, -0.144337567 },
-  {  0.5, -0.288675134, -0.144337567 },
-  {  0.0,  0.577350269, -0.144337567 },
-  {  0.0,  0.0,          0.672159013 }
+  { -0.5, -0.288675134595, -0.144337567297 },
+  {  0.5, -0.288675134595, -0.144337567297 },
+  {  0.0,  0.577350269189, -0.144337567297 },
+  {  0.0,  0.0,             0.672159013631 }
 } ;
 
 static GLint tetrahedron_i[4][3] =  /* Vertex indices */
@@ -952,15 +952,15 @@ static GLint tetrahedron_i[4][3] =  /* Vertex indices */
   { 0, 1, 2 }, { 0, 2, 3 }, { 0, 3, 1 }, { 1, 3, 2 }
 } ;
 
-static GLfloat tetrahedron_n[4][3] =  /* Normals */
+static GLdouble tetrahedron_n[4][3] =  /* Normals */
 {
-  {  0.0,          0.0,         -1.0 },
-  { -0.816496581,  0.471404521,  0.333333333 },
-  {  0.0,         -0.942809042,  0.333333333 },
-  {  0.816496581,  0.471404521,  0.333333333 }
+  {  0.0,             0.0,            -1.0 },
+  { -0.816496580928,  0.471404520791,  0.333333333333 },
+  {  0.0,            -0.942809041582,  0.333333333333 },
+  {  0.816496580928,  0.471404520791,  0.333333333333 }
 } ;
 
-void FGAPIENTRY glutWireSierpinskiSponge ( int num_levels, GLfloat offset[3], GLfloat scale )
+void FGAPIENTRY glutWireSierpinskiSponge ( int num_levels, GLdouble offset[3], GLdouble scale )
 {
   int i, j ;
 
@@ -970,13 +970,13 @@ void FGAPIENTRY glutWireSierpinskiSponge ( int num_levels, GLfloat offset[3], GL
     for ( i = 0 ; i < NUM_FACES ; i++ )
     {
       glBegin ( GL_LINE_LOOP ) ;
-      glNormal3fv ( tetrahedron_n[i] ) ;
+      glNormal3dv ( tetrahedron_n[i] ) ;
       for ( j = 0; j < 3; j++ )
       {
-        float x = offset[0] + scale * tetrahedron_v[tetrahedron_i[i][j]][0] ;
-        float y = offset[1] + scale * tetrahedron_v[tetrahedron_i[i][j]][1] ;
-        float z = offset[2] + scale * tetrahedron_v[tetrahedron_i[i][j]][2] ;
-        glVertex3f ( x, y, z ) ;
+        double x = offset[0] + scale * tetrahedron_v[tetrahedron_i[i][j]][0] ;
+        double y = offset[1] + scale * tetrahedron_v[tetrahedron_i[i][j]][1] ;
+        double z = offset[2] + scale * tetrahedron_v[tetrahedron_i[i][j]][2] ;
+        glVertex3d ( x, y, z ) ;
       }
 
       glEnd () ;
@@ -984,7 +984,7 @@ void FGAPIENTRY glutWireSierpinskiSponge ( int num_levels, GLfloat offset[3], GL
   }
   else
   {
-    GLfloat local_offset[3] ;  /* Use a local variable to avoid buildup of roundoff errors */
+    GLdouble local_offset[3] ;  /* Use a local variable to avoid buildup of roundoff errors */
     num_levels -- ;
     scale /= 2.0 ;
     local_offset[0] = offset[0] + scale * tetrahedron_v[0][0] ;
@@ -993,16 +993,16 @@ void FGAPIENTRY glutWireSierpinskiSponge ( int num_levels, GLfloat offset[3], GL
     glutWireSierpinskiSponge ( num_levels, local_offset, scale ) ;
     local_offset[0] += scale ;
     glutWireSierpinskiSponge ( num_levels, local_offset, scale ) ;
-    local_offset[0] -= 0.5         * scale ;
-    local_offset[1] += 0.866025403 * scale ;
+    local_offset[0] -= 0.5            * scale ;
+    local_offset[1] += 0.866025403784 * scale ;
     glutWireSierpinskiSponge ( num_levels, local_offset, scale ) ;
-    local_offset[1] -= 0.577350269 * scale ;
-    local_offset[2] += 0.816496581 * scale ;
+    local_offset[1] -= 0.577350269189 * scale ;
+    local_offset[2] += 0.816496580928 * scale ;
     glutWireSierpinskiSponge ( num_levels, local_offset, scale ) ;
   }
 }
 
-void FGAPIENTRY glutSolidSierpinskiSponge ( int num_levels, GLfloat offset[3], GLfloat scale )
+void FGAPIENTRY glutSolidSierpinskiSponge ( int num_levels, GLdouble offset[3], GLdouble scale )
 {
   int i, j ;
 
@@ -1012,13 +1012,13 @@ void FGAPIENTRY glutSolidSierpinskiSponge ( int num_levels, GLfloat offset[3], G
 
     for ( i = 0 ; i < NUM_FACES ; i++ )
     {
-      glNormal3fv ( tetrahedron_n[i] ) ;
+      glNormal3dv ( tetrahedron_n[i] ) ;
       for ( j = 0; j < 3; j++ )
       {
-        float x = offset[0] + scale * tetrahedron_v[tetrahedron_i[i][j]][0] ;
-        float y = offset[1] + scale * tetrahedron_v[tetrahedron_i[i][j]][1] ;
-        float z = offset[2] + scale * tetrahedron_v[tetrahedron_i[i][j]][2] ;
-        glVertex3f ( x, y, z ) ;
+        double x = offset[0] + scale * tetrahedron_v[tetrahedron_i[i][j]][0] ;
+        double y = offset[1] + scale * tetrahedron_v[tetrahedron_i[i][j]][1] ;
+        double z = offset[2] + scale * tetrahedron_v[tetrahedron_i[i][j]][2] ;
+        glVertex3d ( x, y, z ) ;
       }
     }
 
@@ -1026,7 +1026,7 @@ void FGAPIENTRY glutSolidSierpinskiSponge ( int num_levels, GLfloat offset[3], G
   }
   else
   {
-    GLfloat local_offset[3] ;  /* Use a local variable to avoid buildup of roundoff errors */
+    GLdouble local_offset[3] ;  /* Use a local variable to avoid buildup of roundoff errors */
     num_levels -- ;
     scale /= 2.0 ;
     local_offset[0] = offset[0] + scale * tetrahedron_v[0][0] ;
@@ -1035,11 +1035,11 @@ void FGAPIENTRY glutSolidSierpinskiSponge ( int num_levels, GLfloat offset[3], G
     glutSolidSierpinskiSponge ( num_levels, local_offset, scale ) ;
     local_offset[0] += scale ;
     glutSolidSierpinskiSponge ( num_levels, local_offset, scale ) ;
-    local_offset[0] -= 0.5         * scale ;
-    local_offset[1] += 0.866025403 * scale ;
+    local_offset[0] -= 0.5            * scale ;
+    local_offset[1] += 0.866025403784 * scale ;
     glutSolidSierpinskiSponge ( num_levels, local_offset, scale ) ;
-    local_offset[1] -= 0.577350269 * scale ;
-    local_offset[2] += 0.816496581 * scale ;
+    local_offset[1] -= 0.577350269189 * scale ;
+    local_offset[2] += 0.816496580928 * scale ;
     glutSolidSierpinskiSponge ( num_levels, local_offset, scale ) ;
   }
 }