32 lines
1001 B
Java
32 lines
1001 B
Java
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package Maths;
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public class Ceil {
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public static void main(String[] args) {
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assert ceil(10) == Math.ceil(10);
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assert ceil(-10) == Math.ceil(-10);
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assert ceil(10.0) == Math.ceil(10.0);
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assert ceil(-10.0) == Math.ceil(-10.0);
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assert ceil(10.1) == Math.ceil(10.1);
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assert ceil(-10.1) == Math.ceil(-10.1);
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assert ceil(0) == Math.ceil(0);
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assert ceil(-0) == Math.ceil(-0);
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assert ceil(0.0) == Math.ceil(0.0);
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assert ceil(-0.0) == Math.ceil(-0.0);
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}
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/**
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* Returns the smallest (closest to negative infinity)
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*
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* @param number the number
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* @return the smallest (closest to negative infinity) of given {@code number}
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*/
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public static double ceil(double number) {
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if (number - (int) number == 0) {
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return number;
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} else if (number - (int) number > 0) {
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return (int) (number + 1);
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} else {
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return (int) number;
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}
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}
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}
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