diff -rupN gmsh-2.9.0-source/Geo/GEdge.cpp gmsh-2.9.0-source-new/Geo/GEdge.cpp

--- gmsh-2.9.0-source/Geo/GEdge.cpp	2015-03-08 14:03:26.000000000 +0100

+++ gmsh-2.9.0-source-new/Geo/GEdge.cpp	2015-03-13 23:54:27.754151246 +0100

@@ -182,7 +182,7 @@ std::string GEdge::getAdditionalInfoStri

     sstream << " transfinite (" << meshAttributes.nbPointsTransfinite;

     int type = meshAttributes.typeTransfinite;

     if(std::abs(type) == 1)

-      sstream << ", progression " << sign(type) * meshAttributes.coeffTransfinite;

+      sstream << ", progression " << SIGN(type) * meshAttributes.coeffTransfinite;

     else if(std::abs(type) == 2)

       sstream << ", bump " << meshAttributes.coeffTransfinite;

     sstream << ")";

diff -rupN gmsh-2.9.0-source/Geo/Geo.cpp gmsh-2.9.0-source-new/Geo/Geo.cpp

--- gmsh-2.9.0-source/Geo/Geo.cpp	2015-03-12 12:14:16.000000000 +0100

+++ gmsh-2.9.0-source-new/Geo/Geo.cpp	2015-03-13 23:54:27.755151267 +0100

@@ -4498,7 +4498,7 @@ void setSurfaceGeneratrices(Surface *s,

          (i != 0 && iLoop < 0)){  // hole

         for(int j = 0; j < List_Nbr(el->Curves); j++) {

           List_Read(el->Curves, j, &ic);

-          ic *= sign(iLoop);

+          ic *= SIGN(iLoop);

           if(i != 0) ic *= -1; // hole

           if(!(c = FindCurve(ic)))

             fromModel.push_back(ic);

@@ -4509,7 +4509,7 @@ void setSurfaceGeneratrices(Surface *s,

       else{

         for(int j = List_Nbr(el->Curves)-1; j >= 0; j--) {

           List_Read(el->Curves, j, &ic);

-          ic *= sign(iLoop);

+          ic *= SIGN(iLoop);

           if(i != 0) ic *= -1; // hole

           if(!(c = FindCurve(ic)))

             fromModel.push_back(ic);

@@ -4555,7 +4555,7 @@ void setVolumeSurfaces(Volume *v, List_T

           // create "negative" surfaces. So we just store the signs in

           // another list

           List_Add(v->Surfaces, &s);

-          int tmp = sign(is) * sign(il);

+          int tmp = SIGN(is) * SIGN(il);

           if(i > 0) tmp *= -1; // this is a hole

           List_Add(v->SurfacesOrientations, &tmp);

         }

diff -rupN gmsh-2.9.0-source/Geo/GModelIO_GEO.cpp gmsh-2.9.0-source-new/Geo/GModelIO_GEO.cpp

--- gmsh-2.9.0-source/Geo/GModelIO_GEO.cpp	2015-03-08 14:03:26.000000000 +0100

+++ gmsh-2.9.0-source-new/Geo/GModelIO_GEO.cpp	2015-03-13 23:54:27.756151288 +0100

@@ -325,7 +325,7 @@ int GModel::importGEOInternals()

       case MSH_PHYSICAL_SURFACE: ge = getFaceByTag(tag); break;

       case MSH_PHYSICAL_VOLUME:  ge = getRegionByTag(tag); break;

       }

-      int pnum = CTX::instance()->geom.orientedPhysicals ? (sign(num) * p->Num) : p->Num;

+      int pnum = CTX::instance()->geom.orientedPhysicals ? (SIGN(num) * p->Num) : p->Num;

       if(ge && std::find(ge->physicals.begin(), ge->physicals.end(), pnum) ==

          ge->physicals.end())

         ge->physicals.push_back(pnum);

diff -rupN gmsh-2.9.0-source/Geo/gmshEdge.cpp gmsh-2.9.0-source-new/Geo/gmshEdge.cpp

--- gmsh-2.9.0-source/Geo/gmshEdge.cpp	2015-03-08 14:03:26.000000000 +0100

+++ gmsh-2.9.0-source-new/Geo/gmshEdge.cpp	2015-03-13 23:54:27.757151309 +0100

@@ -97,7 +97,7 @@ std::string gmshEdge::getAdditionalInfoS

       sstream << " transfinite (" << meshAttributes.nbPointsTransfinite;

       int type = meshAttributes.typeTransfinite;

       if(std::abs(type) == 1)

-        sstream << ", progression " << sign(type) * meshAttributes.coeffTransfinite;

+        sstream << ", progression " << SIGN(type) * meshAttributes.coeffTransfinite;

       else if(std::abs(type) == 2)

         sstream << ", bump " << meshAttributes.coeffTransfinite;

       sstream << ")";

diff -rupN gmsh-2.9.0-source/Geo/gmshRegion.cpp gmsh-2.9.0-source-new/Geo/gmshRegion.cpp

--- gmsh-2.9.0-source/Geo/gmshRegion.cpp	2015-03-08 14:03:26.000000000 +0100

+++ gmsh-2.9.0-source-new/Geo/gmshRegion.cpp	2015-03-13 23:54:27.757151309 +0100

@@ -32,7 +32,7 @@ gmshRegion::gmshRegion(GModel *m, ::Volu

     GFace *f = m->getFaceByTag(abs(is));

     if(f){

       l_faces.push_back(f);

-      l_dirs.push_back(sign(is));

+      l_dirs.push_back(SIGN(is));

       f->addRegion(this);

     }

     else

diff -rupN gmsh-2.9.0-source/Mesh/meshGEdge.cpp gmsh-2.9.0-source-new/Mesh/meshGEdge.cpp

--- gmsh-2.9.0-source/Mesh/meshGEdge.cpp	2015-03-08 14:03:14.000000000 +0100

+++ gmsh-2.9.0-source-new/Mesh/meshGEdge.cpp	2015-03-13 23:54:27.757151309 +0100

@@ -168,7 +168,7 @@ static double F_Transfinite(GEdge *ge, d

     case 1: // Geometric progression ar^i; Sum of n terms = length = a (r^n-1)/(r-1)

       {

-        double r = (sign(type) >= 0) ? coef : 1. / coef;

+        double r = (SIGN(type) >= 0) ? coef : 1. / coef;

         double a = length * (r - 1.) / (pow(r, nbpt - 1.) - 1.);

         int i = (int)(log(t * length / a * (r - 1.) + 1.) / log(r));

         val = d / (a * pow(r, (double)i));

diff -rupN gmsh-2.9.0-source/Numeric/Numeric.h gmsh-2.9.0-source-new/Numeric/Numeric.h

--- gmsh-2.9.0-source/Numeric/Numeric.h	2015-03-08 14:03:21.000000000 +0100

+++ gmsh-2.9.0-source-new/Numeric/Numeric.h	2015-03-13 23:54:27.758151330 +0100

@@ -14,7 +14,7 @@

 #include "SVector3.h"

 #define myhypot(a,b) (sqrt((a)*(a)+(b)*(b)))

-#define sign(x)      (((x)>=0)?1:-1)

+#define SIGN(x)      (((x)>=0)?1:-1)

 #define SQU(a)      ((a)*(a))

 struct mean_plane

diff -rupN gmsh-2.9.0-source/Parser/Gmsh.tab.cpp gmsh-2.9.0-source-new/Parser/Gmsh.tab.cpp

--- gmsh-2.9.0-source/Parser/Gmsh.tab.cpp	2015-03-12 12:14:08.000000000 +0100

+++ gmsh-2.9.0-source-new/Parser/Gmsh.tab.cpp	2015-03-13 23:54:27.761151394 +0100

@@ -8846,7 +8846,7 @@ yyreduce:

             if(c){

               c->Method = MESH_TRANSFINITE;

               c->nbPointsTransfinite = ((yyvsp[(5) - (7)].d) > 2) ? (int)(yyvsp[(5) - (7)].d) : 2;

-              c->typeTransfinite = type * sign(d);

+              c->typeTransfinite = type * SIGN(d);

               c->coeffTransfinite = coef;

             }

             else{

@@ -8854,7 +8854,7 @@ yyreduce:

               if(ge){

                 ge->meshAttributes.method = MESH_TRANSFINITE;

                 ge->meshAttributes.nbPointsTransfinite = ((yyvsp[(5) - (7)].d) > 2) ? (int)(yyvsp[(5) - (7)].d) : 2;

-                ge->meshAttributes.typeTransfinite = type * sign(d);

+                ge->meshAttributes.typeTransfinite = type * SIGN(d);

                 ge->meshAttributes.coeffTransfinite = coef;

               }

               else if(sign > 0)

diff -rupN gmsh-2.9.0-source/Parser/Gmsh.y gmsh-2.9.0-source-new/Parser/Gmsh.y

--- gmsh-2.9.0-source/Parser/Gmsh.y	2015-03-12 12:14:08.000000000 +0100

+++ gmsh-2.9.0-source-new/Parser/Gmsh.y	2015-03-13 23:54:27.762151415 +0100

@@ -3582,7 +3582,7 @@ Constraints :

             if(c){

               c->Method = MESH_TRANSFINITE;

               c->nbPointsTransfinite = ($5 > 2) ? (int)$5 : 2;

-              c->typeTransfinite = type * sign(d);

+              c->typeTransfinite = type * SIGN(d);

               c->coeffTransfinite = coef;

             }

             else{

@@ -3590,7 +3590,7 @@ Constraints :

               if(ge){

                 ge->meshAttributes.method = MESH_TRANSFINITE;

                 ge->meshAttributes.nbPointsTransfinite = ($5 > 2) ? (int)$5 : 2;

-                ge->meshAttributes.typeTransfinite = type * sign(d);

+                ge->meshAttributes.typeTransfinite = type * SIGN(d);

                 ge->meshAttributes.coeffTransfinite = coef;

               }

               else if(sign > 0)

diff -rupN gmsh-2.9.0-source/Plugin/FaultZone.cpp gmsh-2.9.0-source-new/Plugin/FaultZone.cpp

--- gmsh-2.9.0-source/Plugin/FaultZone.cpp	2015-03-08 14:03:17.000000000 +0100

+++ gmsh-2.9.0-source-new/Plugin/FaultZone.cpp	2015-03-13 23:54:27.763151436 +0100

@@ -418,7 +418,7 @@ void GMSH_FaultZoneMesher::ComputeHeavis

           lsn = dot(vectsNor[j], vectsNor[i])*heav[i];

           assert(fabs(lsn) > tolerance || heav[i] == 0);

         }

-        heav[j] = sign(lsn);

+        heav[j] = SIGN(lsn);

       }

       if (heav[i] != 0){

@@ -494,7 +494,7 @@ std::vector < int > GMSH_FaultZoneMesher

       assert(dot(vectPoint, vectTan) > 0);

       lsn = 0;

     }

-    heav.push_back(sign(lsn));

+    heav.push_back(SIGN(lsn));

   }

   else if (_nodesByJunctionNode.find( mVert ) != _nodesByJunctionNode.end()){ // if it is a junction node

     std::vector < GEdge* > fissures = _fissuresByJunctionNode[mVert];

@@ -503,7 +503,7 @@ std::vector < int > GMSH_FaultZoneMesher

       SVector3 vectNorm = _vectNormByFissure[fissures[i]];

       double lsn = dot(vectPoint, vectNorm);

       if (fabs(lsn) > tolerance) // tolerance seems to be ok

-        heav.push_back(sign(lsn));

+        heav.push_back(SIGN(lsn));

       else

         heav.push_back(0);

     }