Changeset 659:0c8e5c688440 in lemon for tools

Timestamp:

04/23/09 11:44:35 (15 years ago)

Author:

Alpar Juttner <alpar@…>

Branch:

default

Phase:

public

Message:

Fix usage of sqrt() (#268)

File:

• tools/lgf-gen.cc (modified) (4 diffs)

tools/lgf-gen.cc

@@ -66 +66 @@
   double tlen=0;
   for(EdgeIt e(g);e!=INVALID;++e)
-    tlen+=sqrt((coords[g.v(e)]-coords[g.u(e)]).normSquare());
+    tlen+=std::sqrt((coords[g.v(e)]-coords[g.u(e)]).normSquare());
   return tlen;
 }
@@ -189 +189 @@
       (r.x * r.x + r.y * r.y) * (p.x * q.y - q.x * p.y);
 
-    return d / (2 * a) + sqrt((d * d + e * e) / (4 * a * a) + f / a);
+    return d / (2 * a) + std::sqrt((d * d + e * e) / (4 * a * a) + f / a);
   }
 
@@ -207 +207 @@
     double b = (q.x - sx) * p.y - (p.x - sx) * q.y;
     double d = (q.x - sx) * (p.x - sx) * (p - q).normSquare();
-    return (b - sqrt(d)) / a;
+    return (b - std::sqrt(d)) / a;
   }
 
@@ -814 +814 @@
   double tlen=0;
   for(EdgeIt e(g);e!=INVALID;++e)
-    tlen+=sqrt((coords[g.v(e)]-coords[g.u(e)]).normSquare());
+    tlen+=std::sqrt((coords[g.v(e)]-coords[g.u(e)]).normSquare());
   std::cout << "Total arc length  : " << tlen << std::endl;