#import mhat


LARGE = 1e12

POSITIVE_INFINITY = float("inf")
NEGATIVE_INFINITY = float("-inf")

PI = 3.141592653589793238462643383279502884197169399375
PI2 = PI * 2.0

RADIANS_TO_DEGREES = 180.0 / PI
DEGREES_TO_RADIANS = PI / 180.0