1.1 --- a/tools/lgf-gen.cc	Tue Apr 21 15:18:54 2009 +0100
     1.2 +++ b/tools/lgf-gen.cc	Thu Apr 23 10:44:35 2009 +0100
     1.3 @@ -65,7 +65,7 @@
     1.4  double totalLen(){
     1.5    double tlen=0;
     1.6    for(EdgeIt e(g);e!=INVALID;++e)
     1.7 -    tlen+=sqrt((coords[g.v(e)]-coords[g.u(e)]).normSquare());
     1.8 +    tlen+=std::sqrt((coords[g.v(e)]-coords[g.u(e)]).normSquare());
     1.9    return tlen;
    1.10  }
    1.11  
    1.12 @@ -188,7 +188,7 @@
    1.13        (q.x * q.x + q.y * q.y) * (r.x * p.y - p.x * r.y) +
    1.14        (r.x * r.x + r.y * r.y) * (p.x * q.y - q.x * p.y);
    1.15  
    1.16 -    return d / (2 * a) + sqrt((d * d + e * e) / (4 * a * a) + f / a);
    1.17 +    return d / (2 * a) + std::sqrt((d * d + e * e) / (4 * a * a) + f / a);
    1.18    }
    1.19  
    1.20    inline bool circle_form(const Point& p, const Point& q, const Point& r) {
    1.21 @@ -206,7 +206,7 @@
    1.22      double a = q.x - p.x;
    1.23      double b = (q.x - sx) * p.y - (p.x - sx) * q.y;
    1.24      double d = (q.x - sx) * (p.x - sx) * (p - q).normSquare();
    1.25 -    return (b - sqrt(d)) / a;
    1.26 +    return (b - std::sqrt(d)) / a;
    1.27    }
    1.28  
    1.29    struct YLess {
    1.30 @@ -813,7 +813,7 @@
    1.31    std::cout << "Number of arcs    : " << countEdges(g) << std::endl;
    1.32    double tlen=0;
    1.33    for(EdgeIt e(g);e!=INVALID;++e)
    1.34 -    tlen+=sqrt((coords[g.v(e)]-coords[g.u(e)]).normSquare());
    1.35 +    tlen+=std::sqrt((coords[g.v(e)]-coords[g.u(e)]).normSquare());
    1.36    std::cout << "Total arc length  : " << tlen << std::endl;
    1.37  
    1.38    if(ap["eps"])