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object Test {
def main(args: Array[String]) {
assert(math.signum(Long.MaxValue) == 1L)
assert(math.signum(1L) == 1L)
assert(math.signum(0L) == 0L)
assert(math.signum(-1L) == -1L)
assert(math.signum(Long.MinValue) == -1L)
assert(math.signum(Int.MaxValue) == 1)
assert(math.signum(1) == 1)
assert(math.signum(0) == 0)
assert(math.signum(-1) == -1)
assert(math.signum(Int.MinValue) == -1)
assert(java.lang.Float.floatToIntBits(math.signum(0f)) == 0x0)
assert(java.lang.Float.floatToIntBits(math.signum(-0f)) == 0x80000000)
assert(java.lang.Double.doubleToLongBits(math.signum(0d)) == 0x0L)
assert(java.lang.Double.doubleToLongBits(math.signum(-0d)) == 0x8000000000000000L)
}
}
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