// Decompiled by Jad v1.5.7b. Copyright 1997-99 Pavel Kouznetsov.
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// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
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// Decompiler options: packimports(3)
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// Source File Name: Interval.java
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class Interval
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{
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Interval()
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{
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}
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static void boxScale(double x[], double a)
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{
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x[0] *= a;
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x[1] *= a;
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}
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static void boxAdd(double a[], double b[], double sum[])
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{
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sum[0] = a[0] + b[0];
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sum[1] = a[1] + b[1];
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}
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static void boxMul(double a[], double b[], double product[])
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{
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boxMulTemp[0] = a[0] * b[0];
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boxMulTemp[1] = a[0] * b[1];
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boxMulTemp[2] = a[1] * b[0];
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boxMulTemp[3] = a[1] * b[1];
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product[0] = boxMulTemp[0];
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product[1] = boxMulTemp[0];
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for (int i = 1; i < 4; i++)
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{
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if (boxMulTemp[i] < product[0])
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product[0] = boxMulTemp[i];
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if (boxMulTemp[i] > product[1])
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product[1] = boxMulTemp[i];
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}
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}
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static void boxSquare(double x[], double square[])
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{
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double x0 = x[0] * x[0];
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double x1 = x[1] * x[1];
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if (x[0] >= 0)
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{
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square[0] = x0;
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square[1] = x1;
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} else
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if (x[1] <= 0)
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{
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square[0] = x1;
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square[1] = x0;
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} else
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{
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square[0] = 0;
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square[1] = x0 <= x1 ? x1 : x0;
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}
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}
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static void boxCube(double x[], double cube[])
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{
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boxSquare(x, cube);
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boxMul(x, cube, cube);
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}
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private static double boxMulTemp[] = new double[4];
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}
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