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+// Copyright (C) 2004, 2009 International Business Machines and others.
+// All Rights Reserved.
+// This code is published under the Eclipse Public License.
+//
+// $Id: IpUtils.hpp 2167 2013-03-08 11:15:38Z stefan $
+//
+// Authors: Carl Laird, Andreas Waechter IBM 2004-08-13
+
+#ifndef __IPUTILS_HPP__
+#define __IPUTILS_HPP__
+
+// Standard Ip Include Files
+#include "IpTypes.hpp"
+#include "IpDebug.hpp"
+
+namespace Ipopt
+{
+
+ inline Index Max(Index a, Index b)
+ {
+ return ((a) > (b) ? (a) : (b));
+ }
+
+ inline Index Max(Index a, Index b, Index c)
+ {
+ Index max = Max(a,b);
+ max = Max(max, c);
+ return max;
+ }
+
+ inline Index Max(Index a, Index b, Index c, Index d)
+ {
+ Index max = Max(a, b, c);
+ max = Max(max, d);
+ return max;
+ }
+
+ inline Index Min(Index a, Index b)
+ {
+ return ((a) < (b) ? (a) : (b));
+ }
+
+ inline Index Min(Index a, Index b, Index c)
+ {
+ Index min = Min(a,b);
+ min = Min(min, c);
+ return min;
+ }
+
+ inline Index Min(Index a, Index b, Index c, Index d)
+ {
+ Index min = Min(a, b, c);
+ min = Min(min, d);
+ return min;
+ }
+
+ ///////////////////////////////////////////
+
+ inline Number Max(Number a, Number b)
+ {
+ return ((a) > (b) ? (a) : (b));
+ }
+
+ inline Number Max(Number a, Number b, Number c)
+ {
+ Number max = Max(a,b);
+ max = Max(max, c);
+ return max;
+ }
+
+ inline Number Max(Number a, Number b, Number c, Number d)
+ {
+ Number max = Max(a, b, c);
+ max = Max(max, d);
+ return max;
+ }
+
+ inline Number Min(Number a, Number b)
+ {
+ return ((a) < (b) ? (a) : (b));
+ }
+
+ inline Number Min(Number a, Number b, Number c)
+ {
+ Number min = Min(a,b);
+ min = Min(min, c);
+ return min;
+ }
+
+ inline Number Min(Number a, Number b, Number c, Number d)
+ {
+ Number min = Min(a, b, c);
+ min = Min(min, d);
+ return min;
+ }
+
+ /** Function returning true iff the argument is a valid double number
+ * (not NaN or Inf). */
+ bool IsFiniteNumber(Number val);
+
+ /** Function returning a random number between 0 and 1 */
+ Number IpRandom01();
+
+ /** Function resetting the random number generator */
+ void IpResetRandom01();
+
+ /** method determining CPU time */
+ Number CpuTime();
+
+ /** method determining system time */
+ Number SysTime();
+
+ /** method determining wallclock time since first call */
+ Number WallclockTime();
+
+ /** Method for comparing two numbers within machine precision. The
+ * return value is true if lhs is less or equal the rhs, relaxing
+ * this inequality by something a little larger than machine
+ * precision relative to the absolute value of BasVal. */
+ bool Compare_le(Number lhs, Number rhs, Number BasVal);
+
+ /** Method for printing a formatted output to a string with given size.
+ */
+ int Snprintf(char* str, long size, const char* format, ...);
+
+} //namespace Ipopt
+
+#endif