package coordinate
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import (
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"math"
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"testing"
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)
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// verifyEqualFloats will compare f1 and f2 and fail if they are not
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// "equal" within a threshold.
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func verifyEqualFloats(t *testing.T, f1 float64, f2 float64) {
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const zeroThreshold = 1.0e-6
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if math.Abs(f1-f2) > zeroThreshold {
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t.Fatalf("equal assertion fail, %9.6f != %9.6f", f1, f2)
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}
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}
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// verifyEqualVectors will compare vec1 and vec2 and fail if they are not
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// "equal" within a threshold.
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func verifyEqualVectors(t *testing.T, vec1 []float64, vec2 []float64) {
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if len(vec1) != len(vec2) {
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t.Fatalf("vector length mismatch, %d != %d", len(vec1), len(vec2))
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}
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for i, _ := range vec1 {
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verifyEqualFloats(t, vec1[i], vec2[i])
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}
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}
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