got := decompress(c, bits) diff := min(a-got, got-a, a-got+q, got-a+q) ceil := q / (1 << bits) if diff > fieldElement(ceil) { t.Fatalf("decompress(compress(%d, %d), %d) = %d (diff %d, max diff %d)", a, bits, bits, got, diff, ceil) } } } } func CompressRat(x fieldElement, d uint8) uint16 { if x >= q { panic("x out of range") } if d <= 0 || d >= 12 { panic("d out of range") } precise := big.NewRat((1<<d)*int64(x), q) // (2ᵈ / q) * x == (2ᵈ * x) / q // FloatString rounds halves away from 0, and our...