File r36/cslbase/fp-eval.red from the latest check-in
deflist('( (RETURN 32) (PLUS 33) (DIFFERENCE 34) (TIMES 35) (QUOTIENT 36) (MINUS 37) (SQUARE 38) (CUBE 39) (SIN 40) (COS 41) (TAN 42) (EXP 43) (LOG 44) (SQRT 45)), 'fp!-eval); symbolic procedure make!-fp!-eval(exprn, vars); if numberp exprn then