.

utils/xalgorithm.h

@@ -5,8 +5,8 @@
 
 template<typename T> double golden_section_search(const T& f, double a, double b, double tol)
 {
-	double invphi = (sqrt(5.0) - 1) / 2.0; 
-	double invphi2 = (3 - sqrt(5.0)) / 2.0; 
+	double invphi = (std::sqrt(5.0) - 1) / 2.0; 
+	double invphi2 = (3 - std::sqrt(5.0)) / 2.0; 
 
 	a = std::min(a, b);
 	b = std::max(a, b);
@@ -17,7 +17,7 @@ template<typename T> double golden_section_search(const T& f, double a, double b
 		return (a + b) / 2.0;
 	}
 
-	int n = ceil( log(tol/h) / log(invphi) );
+	int n = ceil( std::log(tol/h) / std::log(invphi) );
 
 	double c = a + invphi2 * h;
 	double d = a + invphi * h;