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Мимика Максим. Задание 02_10 #8963

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Мимика Максим. Задание 02_10 #8963

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22 changes: 6 additions & 16 deletions 02-java-types/task10/src/com/example/task10/Task10.java
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Original file line number Diff line number Diff line change
Expand Up @@ -3,24 +3,14 @@
public class Task10 {

public static boolean compare(float a, float b, int precision) {

// TODO корректно сравнивать два значения типа float с заданной пользователем точностью (параметр - количество знаков после запятой).
// Функция должна корректно обрабатывать ситуацию со сравнением значений бесконечности.
// Функция должна считать значения «не число» NaN (например 0.0/0.0) равными между собой.

return a == b;

if (Double.isNaN(a) && Double.isNaN(b)) return true;
if (Double.isInfinite(a) && Double.isInfinite(b))
return Math.signum(a * b) == 1;
precision = precision == 0 ? 1 : precision;
return Math.abs(a - b) <= Math.pow(10, -precision);
}

public static void main(String[] args) {
float a = 0.3f;
float b = 0.4f;
float sum = a + b;
float c = 0.7f;

boolean result = compare(sum, c, 2);
System.out.println(result);

System.out.println(compare((0.4f + 0.3f), 0.7f, 2));
}

}