SourceCode:MathHelper

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#MathHelper class


Static variables:
    #array of 65536 floats, used as a lookup table for trigonometric calculations
    SIN_TABLE = float[65536]
    for i in range(65536):
        SIN_TABLE[i] = float(Math.sin(2*i*Math.PI/65536))
    

Static functions:
    # float -> float
    def sin(f):
        return SIN_TABLE(int(f * 10430.378F) & 65535)
    
    # float -> float
    def cos(f):
        return SIN_TABLE(int(f * 10430.378F + 16384.0F) & 65535)
    
    # number -> float
    def sqrt(x):
        return float(Math.sqrt(x))
    
    # number -> int
    def floor(x):
        i = int(x)
        if x < i: return i-1
        else: return i
    
    # number -> int
    def ceiling(x):
        i = int(x)
        if x > i: return i+1
        else: return i
    
    # number^3 -> number
    def clamp(x, inf, sup):
        if x < inf: return inf
        elif x > sup: return sup
        else: return x