silence a bunch of compiler warnings

14 files changed, 69 insertions, 38 deletions

diff --git a/src/glu/sgi/libnurbs/interface/bezierEval.cc b/src/glu/sgi/libnurbs/interface/bezierEval.cc
index 47baf13..b414f53 100644
--- a/src/glu/sgi/libnurbs/interface/bezierEval.cc
+++ b/src/glu/sgi/libnurbs/interface/bezierEval.cc
@@ -57,7 +57,9 @@
 
 static void normalize(float vec[3]);
 static void crossProduct(float x[3], float y[3], float ret[3]);
+#if 0 // UNUSED
 static void bezierCurveEvalfast(float u0, float u1, int order, float *ctlpoints, int stride,  int dimension, float u, float retpoint[]);
+#endif
 
 static float binomialCoefficients[8][8] = {
   {1,0,0,0,0,0,0,0},
@@ -91,7 +93,7 @@ void bezierCurveEval(float u0, float u1, int order, float *ctlpoints, int stride
 }
 
 
-
+#if 0 // UNUSED
 /*order = degree +1 >=1.
  */
 void bezierCurveEvalfast(float u0, float u1, int order, float *ctlpoints, int stride,  int dimension, float u, float retpoint[])
@@ -115,7 +117,7 @@ void bezierCurveEvalfast(float u0, float u1, int order, float *ctlpoints, int st
   for(j=0; j<dimension; j++)
     retpoint[j] = buf[order-1][0][j];
 }
-
+#endif
 
 
 /*order = degree +1 >=1.
diff --git a/src/glu/sgi/libnurbs/internals/dataTransform.cc b/src/glu/sgi/libnurbs/internals/dataTransform.cc
index c7f9515..822da02 100644
--- a/src/glu/sgi/libnurbs/internals/dataTransform.cc
+++ b/src/glu/sgi/libnurbs/internals/dataTransform.cc
@@ -31,10 +31,10 @@
 ** published by SGI, but has not been independently verified as being
 ** compliant with the OpenGL(R) version 1.2.1 Specification.
 **
-** $Date: 2001/03/17 00:25:40 $ $Revision: 1.1 $
+** $Date: 2005/10/28 13:09:23 $ $Revision: 1.2 $
 */
 /*
-** $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/internals/dataTransform.cc,v 1.1 2001/03/17 00:25:40 brianp Exp $
+** $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/internals/dataTransform.cc,v 1.2 2005/10/28 13:09:23 brianp Exp $
 */
 
 #include <stdlib.h>
@@ -47,6 +47,7 @@
 
 extern directedLine* arcLoopToDLineLoop(Arc_ptr loop);
 
+#if 0 // UNUSED
 static directedLine* copy_loop(Arc_ptr loop, Real2* vertArray, int& index, directedLine dline_buf[], sampledLine sline_buf[], int& index_dline)
 {
   directedLine *ret;
@@ -95,7 +96,9 @@ static directedLine* copy_loop(Arc_ptr loop, Real2* vertArray, int& index, direc
     }
   return ret;
 }
+#endif
 
+#if 0 // UNUSED
 static int num_edges(Bin& bin)
 {
   int sum=0;
@@ -103,6 +106,8 @@ static int num_edges(Bin& bin)
     sum += jarc->pwlArc->npts-1;
   return sum;
 }
+#endif
+
 /*
 directedLine* bin_to_DLineLoops(Bin& bin)
 {
diff --git a/src/glu/sgi/libnurbs/internals/intersect.cc b/src/glu/sgi/libnurbs/internals/intersect.cc
index 118810a..6fb7e32 100644
--- a/src/glu/sgi/libnurbs/internals/intersect.cc
+++ b/src/glu/sgi/libnurbs/internals/intersect.cc
@@ -35,8 +35,8 @@
 /*
  * intersect.c++
  *
- * $Date: 2004/05/12 15:29:36 $ $Revision: 1.2 $
- * $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/internals/intersect.cc,v 1.2 2004/05/12 15:29:36 brianp Exp $
+ * $Date: 2005/10/28 13:09:23 $ $Revision: 1.3 $
+ * $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/internals/intersect.cc,v 1.3 2005/10/28 13:09:23 brianp Exp $
  */
 
 #include "glimports.h"
@@ -53,7 +53,9 @@
 enum i_result { INTERSECT_VERTEX, INTERSECT_EDGE };
 
 /* local functions */
+#ifndef NDEBUG  // for asserts only
 static int		arc_classify( Arc_ptr, int, REAL );
+#endif
 static enum i_result	pwlarc_intersect( PwlArc *, int, REAL, int, int[3] );
 
 
@@ -400,6 +402,7 @@ pwlarc_intersect(
  *----------------------------------------------------------------------------
  */
 
+#ifndef NDEBUG  // for asserts only
 static int
 arc_classify( Arc_ptr jarc, int param, REAL value )
 {
@@ -438,6 +441,7 @@ arc_classify( Arc_ptr jarc, int param, REAL value )
 	}
     }
 }
+#endif
 
 void
 Subdivider::classify_tailonleft_s( Bin& bin, Bin& in, Bin& out, REAL val )
diff --git a/src/glu/sgi/libnurbs/internals/maplist.cc b/src/glu/sgi/libnurbs/internals/maplist.cc
index 0782feb..44f8666 100644
--- a/src/glu/sgi/libnurbs/internals/maplist.cc
+++ b/src/glu/sgi/libnurbs/internals/maplist.cc
@@ -35,8 +35,8 @@
 /*
  * maplist.c++
  *
- * $Date: 2001/03/17 00:25:41 $ $Revision: 1.1 $
- * $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/internals/maplist.cc,v 1.1 2001/03/17 00:25:41 brianp Exp $
+ * $Date: 2005/10/28 13:09:23 $ $Revision: 1.2 $
+ * $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/internals/maplist.cc,v 1.2 2005/10/28 13:09:23 brianp Exp $
  */
 
 #include "glimports.h"
@@ -73,8 +73,10 @@ Maplist::add( long type, int israt, int ncoords )
 void 
 Maplist::define( long type, int israt, int ncoords )
 {
+#ifndef NDEBUG // to avoid warning
     Mapdesc *m = locate( type );
     assert( m == NULL || ( m->isrational == israt && m->ncoords == ncoords ) );
+#endif
     add( type, israt, ncoords );
 }
 
diff --git a/src/glu/sgi/libnurbs/internals/monoTriangulationBackend.cc b/src/glu/sgi/libnurbs/internals/monoTriangulationBackend.cc
index 111b8be..b08cd91 100644
--- a/src/glu/sgi/libnurbs/internals/monoTriangulationBackend.cc
+++ b/src/glu/sgi/libnurbs/internals/monoTriangulationBackend.cc
@@ -31,10 +31,10 @@
 ** published by SGI, but has not been independently verified as being
 ** compliant with the OpenGL(R) version 1.2.1 Specification.
 **
-** $Date: 2004/05/12 15:29:36 $ $Revision: 1.2 $
+** $Date: 2005/10/28 13:09:23 $ $Revision: 1.3 $
 */
 /*
-** $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/internals/monoTriangulationBackend.cc,v 1.2 2004/05/12 15:29:36 brianp Exp $
+** $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/internals/monoTriangulationBackend.cc,v 1.3 2005/10/28 13:09:23 brianp Exp $
 */
 
 #include "monoTriangulation.h"
@@ -86,7 +86,7 @@ void reflexChain::processNewVertex(Real v[2], Backend* backend)
 {
   Int i,j,k;
   Int isReflex;
-  TrimVertex trimVert;
+  /*TrimVertex trimVert;*/
   /*if there are at most one vertex in the queue, then simply insert
    */
   if(index_queue <=1){
diff --git a/src/glu/sgi/libnurbs/internals/slicer.cc b/src/glu/sgi/libnurbs/internals/slicer.cc
index 6418e81..3fc7e27 100644
--- a/src/glu/sgi/libnurbs/internals/slicer.cc
+++ b/src/glu/sgi/libnurbs/internals/slicer.cc
@@ -35,8 +35,8 @@
 /*
  * slicer.c++
  *
- * $Date: 2002/11/01 23:35:07 $ $Revision: 1.4 $
- * $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/internals/slicer.cc,v 1.4 2002/11/01 23:35:07 brianp Exp $
+ * $Date: 2005/10/28 13:09:23 $ $Revision: 1.5 $
+ * $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/internals/slicer.cc,v 1.5 2005/10/28 13:09:23 brianp Exp $
  */
 
 #include <stdlib.h>
@@ -84,6 +84,7 @@ Int num_quads = 0;
 #define ZERO 0.00001 /*determing whether a loop is a rectngle or not*/
 #define equalRect(a,b) ((glu_abs(a-b) <= ZERO)? 1:0) //only used in tessellating a rectangle
 
+#if 0 // UNUSED
 static Int is_Convex(Arc_ptr loop)
 {
   if(area(loop->tail(), loop->head(), loop->next->head()) <0 )
@@ -95,9 +96,11 @@ static Int is_Convex(Arc_ptr loop)
     }
   return 1;
 }
+#endif
 
 /******triangulate a monotone polygon**************/
 #include "monoTriangulation.h"
+#if 0 // UNUSED
 static int is_U_monotone(Arc_ptr loop)
 {
   int n_changes=0;
@@ -126,6 +129,7 @@ static int is_U_monotone(Arc_ptr loop)
   else
     return 0;
 }
+#endif
 
 inline int compInY(REAL a[2], REAL b[2])
 {
@@ -259,6 +263,7 @@ if(loop->next->tail()[1] == loop->next->head()[1])
 
 
 //a line with the same u for opt
+#ifdef USE_OPTTT
 static void evalLineNOGE_BU(TrimVertex *verts, int n, Backend& backend)
 {
   int i;
@@ -266,8 +271,10 @@ static void evalLineNOGE_BU(TrimVertex *verts, int n, Backend& backend)
   for(i=0; i<n; i++)
     backend.tmeshvertNOGE_BU(&verts[i]);
 }
+#endif
 
 //a line with the same v for opt
+#ifdef USE_OPTTT
 static void evalLineNOGE_BV(TrimVertex *verts, int n, Backend& backend)
 {
   int i;
@@ -276,6 +283,9 @@ static void evalLineNOGE_BV(TrimVertex *verts, int n, Backend& backend)
   for(i=0; i<n; i++)
     backend.tmeshvertNOGE_BV(&verts[i]);
 }
+#endif
+
+#ifdef USE_OPTTT
 static void evalLineNOGE(TrimVertex *verts, int n, Backend& backend)
 {
 
@@ -290,7 +300,7 @@ static void evalLineNOGE(TrimVertex *verts, int n, Backend& backend)
 	backend.tmeshvertNOGE(&verts[i]);
     }
 }
-
+#endif
 
 inline void  OPT_OUTVERT(TrimVertex& vv, Backend& backend) 
 {
@@ -861,6 +871,7 @@ return;
   
 
 /**********for reading newtess_flag from a file**********/
+#ifdef USE_READ_FLAG
 static Int read_flag(char* name)
 {
   Int ret;
@@ -874,7 +885,7 @@ static Int read_flag(char* name)
   fclose(fp);
   return ret;
 }
-  
+#endif  
 
 /***********nextgen tess****************/
 #include "sampleMonoPoly.h"
diff --git a/src/glu/sgi/libnurbs/internals/trimline.cc b/src/glu/sgi/libnurbs/internals/trimline.cc
index 9ad6e1f..231369b 100644
--- a/src/glu/sgi/libnurbs/internals/trimline.cc
+++ b/src/glu/sgi/libnurbs/internals/trimline.cc
@@ -35,8 +35,8 @@
 /*
  * trimline.c++
  *
- * $Date: 2001/03/17 00:25:41 $ $Revision: 1.1 $
- * $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/internals/trimline.cc,v 1.1 2001/03/17 00:25:41 brianp Exp $
+ * $Date: 2005/10/28 13:09:23 $ $Revision: 1.2 $
+ * $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/internals/trimline.cc,v 1.2 2005/10/28 13:09:23 brianp Exp $
  */
 
 #include "glimports.h"
@@ -162,10 +162,11 @@ Trimline::getNextPts( Arc_ptr botarc )
 {
     reset(); swap(); append( tinterp );
 
+#ifndef NDEBUG
     PwlArc *lastpwl = botarc->prev->pwlArc;
     TrimVertex *lastpt1 = &lastpwl->pts[lastpwl->npts-1];
+#endif
     TrimVertex *lastpt2 = botarc->pwlArc->pts;
-
     register TrimVertex *p = jarcl.getnextpt();
     for( append( p ); p != lastpt2; append( p ) ) {
 	assert( p != lastpt1 );
@@ -180,7 +181,9 @@ Trimline::getPrevPts( Arc_ptr botarc )
 
     PwlArc *lastpwl = botarc->prev->pwlArc;
     TrimVertex *lastpt1 = &lastpwl->pts[lastpwl->npts-1];
+#ifndef NDEBUG
     TrimVertex *lastpt2 = botarc->pwlArc->pts;
+#endif
 
     register TrimVertex *q =  jarcl.getprevpt();
     for( append( q ); q != lastpt1; append( q ) ) {
diff --git a/src/glu/sgi/libnurbs/nurbtess/monoChain.cc b/src/glu/sgi/libnurbs/nurbtess/monoChain.cc
index f3321dd..dccbb2b 100644
--- a/src/glu/sgi/libnurbs/nurbtess/monoChain.cc
+++ b/src/glu/sgi/libnurbs/nurbtess/monoChain.cc
@@ -31,10 +31,10 @@
 ** published by SGI, but has not been independently verified as being
 ** compliant with the OpenGL(R) version 1.2.1 Specification.
 **
-** $Date: 2004/05/12 15:29:36 $ $Revision: 1.2 $
+** $Date: 2005/10/28 13:09:23 $ $Revision: 1.3 $
 */
 /*
-** $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/nurbtess/monoChain.cc,v 1.2 2004/05/12 15:29:36 brianp Exp $
+** $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/nurbtess/monoChain.cc,v 1.3 2005/10/28 13:09:23 brianp Exp $
 */
 
 #include "gluos.h"
@@ -61,6 +61,7 @@ extern Int isCusp(directedLine *v);
 extern Int deleteRepeatDiagonals(Int num_diagonals, directedLine** diagonal_vertices, directedLine** new_vertices);
 
 //for debug purpose only
+#if 0 // UNUSED
 static void drawDiagonals(Int num_diagonals, directedLine** diagonal_vertices)
 {
   Int i;
@@ -72,6 +73,7 @@ static void drawDiagonals(Int num_diagonals, directedLine** diagonal_vertices)
       glEnd();
     }
 }
+#endif
 
 /*given (x_1, y_1) and (x_2, y_2), and y
  *return x such that (x,y) is on the line
diff --git a/src/glu/sgi/libnurbs/nurbtess/monoTriangulation.cc b/src/glu/sgi/libnurbs/nurbtess/monoTriangulation.cc
index e7e1943..3a7d581 100644
--- a/src/glu/sgi/libnurbs/nurbtess/monoTriangulation.cc
+++ b/src/glu/sgi/libnurbs/nurbtess/monoTriangulation.cc
@@ -31,10 +31,10 @@
 ** published by SGI, but has not been independently verified as being
 ** compliant with the OpenGL(R) version 1.2.1 Specification.
 **
-** $Date: 2004/05/12 15:29:36 $ $Revision: 1.3 $
+** $Date: 2005/10/28 13:09:23 $ $Revision: 1.4 $
 */
 /*
-** $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/nurbtess/monoTriangulation.cc,v 1.3 2004/05/12 15:29:36 brianp Exp $
+** $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/nurbtess/monoTriangulation.cc,v 1.4 2005/10/28 13:09:23 brianp Exp $
 */
 
 #include <stdlib.h>
@@ -1037,8 +1037,8 @@ void monoTriangulationRec(directedLine* inc_chain, Int inc_index,
 			  primStream* pStream)
 {
   Int i;
-  directedLine *temp, *oldtemp;
-  Int tempIndex, oldtempIndex;
+  directedLine *temp, *oldtemp = NULL;
+  Int tempIndex, oldtempIndex = 0;
   
   assert(inc_chain != NULL && dec_chain != NULL);
   
diff --git a/src/glu/sgi/libnurbs/nurbtess/polyDBG.cc b/src/glu/sgi/libnurbs/nurbtess/polyDBG.cc
index 291ade8..4d04df7 100644
--- a/src/glu/sgi/libnurbs/nurbtess/polyDBG.cc
+++ b/src/glu/sgi/libnurbs/nurbtess/polyDBG.cc
@@ -621,6 +621,7 @@ directedLine* DBG_cutIntersectionPoly(directedLine *polygon, int& cutOccur)
 //given a polygon, cut the edges off and finally obtain a
 //a polygon without intersections. The cut-off edges are
 //dealloated. The new polygon is returned.
+#if 0 // UNUSED
 static directedLine* DBG_cutIntersectionPoly_notwork(directedLine *polygon)
 {
   directedLine *crt;//current polygon
@@ -673,6 +674,7 @@ static directedLine* DBG_cutIntersectionPoly_notwork(directedLine *polygon)
 	find = 0;    //go to next loop
 }
 }
+#endif
 
 directedLine* DBG_cutIntersectionAllPoly(directedLine* list)
 {
diff --git a/src/glu/sgi/libnurbs/nurbtess/sampleComp.cc b/src/glu/sgi/libnurbs/nurbtess/sampleComp.cc
index f2a6d5f..b58de10 100644
--- a/src/glu/sgi/libnurbs/nurbtess/sampleComp.cc
+++ b/src/glu/sgi/libnurbs/nurbtess/sampleComp.cc
@@ -31,10 +31,10 @@
 ** published by SGI, but has not been independently verified as being
 ** compliant with the OpenGL(R) version 1.2.1 Specification.
 **
-** $Date: 2001/03/17 00:25:41 $ $Revision: 1.1 $
+** $Date: 2005/10/28 13:09:23 $ $Revision: 1.2 $
 */
 /*
-** $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/nurbtess/sampleComp.cc,v 1.1 2001/03/17 00:25:41 brianp Exp $
+** $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/nurbtess/sampleComp.cc,v 1.2 2005/10/28 13:09:23 brianp Exp $
 */
 
 #include <stdlib.h>
@@ -159,7 +159,7 @@ void sampleCompLeft(Real* topVertex, Real* botVertex,
    */
   Int midIndex1;
   Int midIndex2;
-  Int gridMidIndex1, gridMidIndex2;
+  Int gridMidIndex1 = 0, gridMidIndex2 = 0;
   //midIndex1: array[i] <= v, array[i-1] > v
   //midIndex2: array[i] >= v, array[i+1] < v
   // v(gridMidIndex1) >= v(midindex1) > v(gridMidIndex1+1)
diff --git a/src/glu/sgi/libnurbs/nurbtess/sampleCompRight.cc b/src/glu/sgi/libnurbs/nurbtess/sampleCompRight.cc
index ef49f9d..46252b5 100644
--- a/src/glu/sgi/libnurbs/nurbtess/sampleCompRight.cc
+++ b/src/glu/sgi/libnurbs/nurbtess/sampleCompRight.cc
@@ -31,10 +31,10 @@
 ** published by SGI, but has not been independently verified as being
 ** compliant with the OpenGL(R) version 1.2.1 Specification.
 **
-** $Date: 2001/03/22 11:41:40 $ $Revision: 1.2 $
+** $Date: 2005/10/28 13:09:23 $ $Revision: 1.3 $
 */
 /*
-** $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/nurbtess/sampleCompRight.cc,v 1.2 2001/03/22 11:41:40 joukj Exp $
+** $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/nurbtess/sampleCompRight.cc,v 1.3 2005/10/28 13:09:23 brianp Exp $
 */
 
 #include <stdlib.h>
@@ -72,7 +72,7 @@ void sampleCompRight(Real* topVertex, Real* botVertex,
    */
   Int midIndex1;
   Int midIndex2;
-  Int gridMidIndex1, gridMidIndex2;
+  Int gridMidIndex1, gridMidIndex2 = 0;
   //midIndex1: array[i] <= v, array[i+1] > v
   //midIndex2: array[i] >= v,  array[i+1] < v
   midIndex1 = rightChain->findIndexBelowGen(rightGridChain->get_v_value(gridIndex1),
diff --git a/src/glu/sgi/libnurbs/nurbtess/sampleMonoPoly.cc b/src/glu/sgi/libnurbs/nurbtess/sampleMonoPoly.cc
index 6bf01ce..c1b0454 100644
--- a/src/glu/sgi/libnurbs/nurbtess/sampleMonoPoly.cc
+++ b/src/glu/sgi/libnurbs/nurbtess/sampleMonoPoly.cc
@@ -31,10 +31,10 @@
 ** published by SGI, but has not been independently verified as being
 ** compliant with the OpenGL(R) version 1.2.1 Specification.
 **
-** $Date: 2004/05/12 15:29:36 $ $Revision: 1.4 $
+** $Date: 2005/10/28 13:09:23 $ $Revision: 1.5 $
 */
 /*
-** $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/nurbtess/sampleMonoPoly.cc,v 1.4 2004/05/12 15:29:36 brianp Exp $
+** $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/nurbtess/sampleMonoPoly.cc,v 1.5 2005/10/28 13:09:23 brianp Exp $
 */
 
 #include "gluos.h"
@@ -976,7 +976,7 @@ void findNeck(vertexArray *leftChain, Int botLeftIndex,
 void findLeftGridIndices(directedLine* topEdge, Int firstGridIndex, Int lastGridIndex, gridWrap* grid,  Int* ret_indices, Int* ret_innerIndices)
 {
 
-  Int i,k,isHoriz;
+  Int i,k,isHoriz = 0;
   Int n_ulines = grid->get_n_ulines();
   Real uMin = grid->get_u_min();
   Real uMax = grid->get_u_max();
@@ -984,7 +984,7 @@ void findLeftGridIndices(directedLine* topEdge, Int firstGridIndex, Int lastGrid
   Real vMin = grid->get_v_min();
   Real vMax = grid->get_v_max();
   */
-  Real slop, uinterc;
+  Real slop = 0.0, uinterc;
 
 #ifdef SHORTEN_GRID_LINE
   //uintercBuf stores all the interction u value for each grid line
@@ -1102,7 +1102,7 @@ void findRightGridIndices(directedLine* topEdge, Int firstGridIndex, Int lastGri
   Real vMin = grid->get_v_min();
   Real vMax = grid->get_v_max();
   */
-  Real slop, uinterc;
+  Real slop = 0.0, uinterc;
 
 #ifdef SHORTEN_GRID_LINE
   //uintercBuf stores all the interction u value for each grid line
diff --git a/src/glu/sgi/libutil/quad.c b/src/glu/sgi/libutil/quad.c
index 8d9bcdd..e604539 100644
--- a/src/glu/sgi/libutil/quad.c
+++ b/src/glu/sgi/libutil/quad.c
@@ -444,7 +444,7 @@ gluPartialDisk(GLUquadric *qobj, GLdouble innerRadius,
     GLfloat sintemp, costemp;
     GLfloat deltaRadius;
     GLfloat radiusLow, radiusHigh;
-    GLfloat texLow, texHigh;
+    GLfloat texLow = 0.0, texHigh = 0.0;
     GLfloat angleOffset;
     GLint slices2;
     GLint finish;
@@ -713,8 +713,8 @@ gluSphere(GLUquadric *qobj, GLdouble radius, GLint slices, GLint stacks)
     GLfloat cosCache3b[CACHE_SIZE];
     GLfloat angle;
     GLfloat zLow, zHigh;
-    GLfloat sintemp1, sintemp2, sintemp3, sintemp4;
-    GLfloat costemp1, costemp2, costemp3, costemp4;
+    GLfloat sintemp1, sintemp2, sintemp3 = 0.0, sintemp4 = 0.0;
+    GLfloat costemp1, costemp2 = 0.0, costemp3 = 0.0, costemp4 = 0.0;
     GLboolean needCache2, needCache3;
     GLint start, finish;