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