package trace_test

import (
	"internal/trace"
	"internal/trace/testtrace"
	"io"
	"math"
	"testing"
	"time"
)

// aeq returns true if x and y are equal up to 8 digits (1 part in 100
// million).
func aeq(x, y float64) bool {
	if x < 0 && y < 0 {
		x, y = -x, -y
	}
	const digits = 8
	factor := 1 - math.Pow(10, -digits+1)
	return x*factor <= y && y*factor <= x
}

				if ok && ok2 && !(l <= inv && inv < u) {
					t.Errorf("inverse(%g) = %g, not ∈ [%g, %g)", trackMass, inv, l, u)
				}
			}
		}
	}
}

// aeq returns true if x and y are equal up to 8 digits (1 part in 100
// million).
// TODO(amedee) dup of gc_test.go
func aeq(x, y float64) bool {
	if x < 0 && y < 0 {
		x, y = -x, -y
	}
	const digits = 8
	factor := 1 - math.Pow(10, -digits+1)
	return x*factor <= y && y*factor <= x

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