fix compile

Mesh/Field.cpp

@@ -2212,8 +2212,8 @@ class OctreeField : public Field {
       double vmin = v[0];
       double vc = field(x0+l/2,y0+l/2,z0+l/2);
       for (int i = 0; i < 8; ++i){
-        dmax = fmax(dmax, std::abs(vc-v[i])); 
-        vmin = fmin(vmin, v[i]);
+        dmax = std::max(dmax, std::abs(vc-v[i]));
+        vmin = std::min(vmin, v[i]);
       }
 #else
       double dmax = 0;
@@ -2227,8 +2227,8 @@ class OctreeField : public Field {
           for (int j = 0; j <= NSAMPLE; ++j){
             for (int k = 0; k <= NSAMPLE; ++k){
               double w = field(x0 + i*dl, y0+j*dl, z0+k*dl);
-              dmax = fmax(dmax, std::abs(vc-w)); 
-              vmin = fmin(vmin, w);
+              dmax = std::max(dmax, std::abs(vc-w));
+              vmin = std::min(vmin, w);
               split |= (dmax/vmin > 0.2 && vmin < l);
               if(split)
                 break;
@@ -2840,5 +2840,3 @@ void GenericField::setCallbackWithData(ptrfunction fct, void *data){
   user_data.push_back(data);
   cbs.push_back(fct);
 }
-
-