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package mathext
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import "testing"
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func TestFloat64EpsilonEqExactlyEqual(t *testing.T) {
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if !Float64EpsilonEq(1.0, 1.0, 1e-9) {
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t.Errorf("Float64EpsilonEq(1.0, 1.0, 1e-9) = false, want true")
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}
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}
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func TestFloat64EpsilonEqWithinEpsilon(t *testing.T) {
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if !Float64EpsilonEq(1.0, 1.0+1e-10, 1e-9) {
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t.Errorf("Float64EpsilonEq(1.0, 1.0+1e-10, 1e-9) = false, want true")
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}
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}
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func TestFloat64EpsilonEqOutsideEpsilon(t *testing.T) {
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if Float64EpsilonEq(1.0, 1.1, 1e-9) {
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t.Errorf("Float64EpsilonEq(1.0, 1.1, 1e-9) = true, want false")
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}
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}
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func TestFloat64EpsilonEqAtEpsilonBoundary(t *testing.T) {
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if !Float64EpsilonEq(0.0, 0.5, 0.5) {
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t.Errorf("Float64EpsilonEq(0.0, 0.5, 0.5) = false, want true")
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}
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}
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func TestFloat64EpsilonEqNegativeDifference(t *testing.T) {
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if !Float64EpsilonEq(2.0, 2.0-1e-10, 1e-9) {
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t.Errorf("Float64EpsilonEq(2.0, 2.0-1e-10, 1e-9) = false, want true")
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}
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}
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func TestFloat64EpsilonEqLargeDifference(t *testing.T) {
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if Float64EpsilonEq(0.0, 100.0, 0.5) {
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t.Errorf("Float64EpsilonEq(0.0, 100.0, 0.5) = true, want false")
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}
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}
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func TestFloat64EpsilonEqNegativeNumbers(t *testing.T) {
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if !Float64EpsilonEq(-1.0, -1.0+1e-10, 1e-9) {
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t.Errorf("Float64EpsilonEq(-1.0, -1.0+1e-10, 1e-9) = false, want true")
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}
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}
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func TestFloat64EpsilonEqZeroEpsilonEqualValues(t *testing.T) {
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if !Float64EpsilonEq(3.14, 3.14, 0.0) {
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t.Errorf("Float64EpsilonEq(3.14, 3.14, 0.0) = false, want true")
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}
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}
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func TestFloat64EpsilonEqZeroEpsilonDifferentValues(t *testing.T) {
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if Float64EpsilonEq(3.14, 3.15, 0.0) {
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t.Errorf("Float64EpsilonEq(3.14, 3.15, 0.0) = true, want false")
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}
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}
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