libH/UtilMath.cpp

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/*
  
  Copyright (c) 2007, Tim Burrell
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at 

        http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and 
  limitations under the License. 
  
*/

#include "UtilMath.hpp"
#include "../libH/Debug.hpp"
#include <sys/time.h>
#include <math.h>

using namespace H;

// Defines / Type Defs

// Construction

UtilMath::UtilMath() {
}

UtilMath::~UtilMath() {
}

// Class Body

int UtilMath::intDivRoundUp(int Div1, int Div2) {
        return (int) ceil((double)Div1/(double)Div2);
}

float UtilMath::random() {
        return rand() / (float) RAND_MAX;
}

void UtilMath::randomize() {
        srand((unsigned)time(NULL));
}

float UtilMath::randomFloat(float MinVal, float MaxVal) {
        float Rnd = random();
        float Range = MaxVal - MinVal;
        float Ans = Range * Rnd;

        return Ans + MinVal;
}

int UtilMath::randomInt(int MinVal, int MaxVal) {
        float Rnd = random();
        float Range = MaxVal - MinVal;
        float Ans = Range * Rnd;

        return (int) (Ans + MinVal);
}

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