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# 14sep20 Software Lab. Alexander Burger
(and (=0 *Scl) (scl 6)) # Default scale 6
(setq # Global constants
pi 3.1415926535897932
pi/2 1.5707963267948966
"Dbl1" (0 . 1.0)
"Dbl2" (0 . 1.0) )
(de pow (X Y)
(set "Dbl1" X "Dbl2" Y)
(%@ "pow" 1.0 "Dbl1" "Dbl2") )
(de exp (X)
(set "Dbl1" X)
(%@ "exp" 1.0 "Dbl1") )
(de log (X)
(when (gt0 (set "Dbl1" X))
(%@ "log" 1.0 "Dbl1") ) )
(de sin (A)
(set "Dbl1" A)
(%@ "sin" 1.0 "Dbl1") )
(de cos (A)
(set "Dbl1" A)
(%@ "cos" 1.0 "Dbl1") )
(de tan (A)
(set "Dbl1" A)
(%@ "tan" 1.0 "Dbl1") )
(de asin (A)
(set "Dbl1" A)
(%@ "asin" 1.0 "Dbl1") )
(de acos (A)
(set "Dbl1" A)
(%@ "acos" 1.0 "Dbl1") )
(de atan (A)
(set "Dbl1" A)
(%@ "atan" 1.0 "Dbl1") )
(de atan2 (X Y)
(set "Dbl1" X "Dbl2" Y)
(%@ "atan2" 1.0 "Dbl1" "Dbl2") )
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