    class
    	DOUBLE_MATH

    General
    	cluster: base
    	description:
    		"Basic mathematical operations, double-precision.
    		This class may be used as ancestor by classes needing its facilities."

    Ancestors
    	MATH_CONST

    Queries
    	arc_cosine (v: REAL_64): REAL_64
    	arc_sine (v: REAL_64): REAL_64
    	arc_tangent (v: REAL_64): REAL_64
    	ceiling (v: REAL_64): REAL_64
    	cosine (v: REAL_64): REAL_64
    	dabs (v: REAL_64): REAL_64
    	Euler: REAL_64
    	exp (x: REAL_64): REAL_64
    	floor (v: REAL_64): REAL_64
    	log (v: REAL_64): REAL_64
    	log10 (v: REAL_64): REAL_64
    	log_2 (v: REAL_64): REAL_64
    	Pi: REAL_64
    	sine (v: REAL_64): REAL_64
    	sqrt (v: REAL_64): REAL_64
    	Sqrt2: REAL_64
    	tangent (v: REAL_64): REAL_64