Index: trunk/psLib/src/math/psMinimizePowell.c
===================================================================
--- trunk/psLib/src/math/psMinimizePowell.c	(revision 28998)
+++ trunk/psLib/src/math/psMinimizePowell.c	(revision 34089)
@@ -367,7 +367,4 @@
     psF32 c = 0.0;
     psF32 n = 0.0;
-    psF32 fa = 0.0;
-    psF32 fb = 0.0;
-    psF32 fc = 0.0;
     psF32 fn = 0.0;
     psF32 mul = 0.0;
@@ -415,8 +412,10 @@
         PS_VECTOR_ADD_MULTIPLE(params, paramMask, line, tmpb, b);
         PS_VECTOR_ADD_MULTIPLE(params, paramMask, line, tmpc, c);
-        fa = func(tmpa, coords);
-        fb = func(tmpb, coords);
-        fc = func(tmpc, coords);
+        psF32 fb = func(tmpb, coords);
+# if (PS_TRACE_ON)
+        psF32 fa = func(tmpa, coords);
+        psF32 fc = func(tmpc, coords);
         psTrace("psLib.math", 6, "LineMin: f(%f %f %f) is (%f %f %f)\n", a, b, c, fa, fb, fc);
+# endif
 
         // We determine which is the biggest segment in [a,b,c] then split