def sqrt():
	pass
def pow():
	pass
def exp():
	pass
def log():
	pass
def cos():
	pass
def sin():
	pass
def tan():
	pass
def acos():
	pass
def asin():
	pass
def atan():
	pass
def atan2():
	pass
def ceil():
	pass
def copysign():
	pass
def fabs():
	pass
def floor():
	pass
def fmod():
	pass
def frexp():
	pass
def ldexp():
	pass
def modf():
	pass
def isfinite():
	pass
def isinf():
	pass
def isnan():
	pass
def trunc():
	pass
def radians():
	pass
def degrees():
	pass