61 lines
1.3 KiB
C
61 lines
1.3 KiB
C
///////////////////////////////////////////////////////////////////////
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// Random functions
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//
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// (c) 2003 IDV, Inc.
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//
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// *** INTERACTIVE DATA VISUALIZATION (IDV) PROPRIETARY INFORMATION ***
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//
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// This software is supplied under the terms of a license agreement or
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// nondisclosure agreement with Interactive Data Visualization and may
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// not be copied or disclosed except in accordance with the terms of
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// that agreement.
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//
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// Copyright (c) 2001-2003 IDV, Inc.
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// All Rights Reserved.
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//
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// IDV, Inc.
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// 1233 Washington St. Suite 610
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// Columbia, SC 29201
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// Voice: (803) 799-1699
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// Fax: (803) 931-0320
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// Web: http://www.idvinc.com
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//
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#pragma once
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///////////////////////////////////////////////////////////////////////
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// Include Files
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#include <cstdlib>
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///////////////////////////////////////////////////////////////////////
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// GetRandom
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//
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// nMin <= (return value) <= nMax
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static int GetRandom(int nMin, int nMax)
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{
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if(nMax < nMin)
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nMax = nMin;
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int nDiff = nMax - nMin + 1;
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return nMin + (rand( ) % nDiff);
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}
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///////////////////////////////////////////////////////////////////////
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// GetRandom
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//
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// fMin <= (return value) <= fMax
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static float GetRandom(float fMin, float fMax)
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{
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float fUnit = float(rand( )) / RAND_MAX;
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float fDiff = fMax - fMin;
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return fMin + fUnit * fDiff;
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}
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