22 lines
637 B
Text
22 lines
637 B
Text
import kotlin.math.abs
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import kotlin.math.sqrt
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fun approxEquals(value: Double, other: Double, epsilon: Double): Boolean {
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return abs(value - other) < epsilon
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}
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fun test(a: Double, b: Double) {
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val epsilon = 1e-18
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println("$a, $b => ${approxEquals(a, b, epsilon)}")
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}
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fun main() {
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test(100000000000000.01, 100000000000000.011)
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test(100.01, 100.011)
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test(10000000000000.001 / 10000.0, 1000000000.0000001000)
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test(0.001, 0.0010000001)
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test(0.000000000000000000000101, 0.0)
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test(sqrt(2.0) * sqrt(2.0), 2.0)
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test(-sqrt(2.0) * sqrt(2.0), -2.0)
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test(3.14159265358979323846, 3.14159265358979324)
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}
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