anchor.diff:     #:single-float-sin
      #:single-float-cos
      #:single-float-sqrt
  +   #:double-float-unbox
  +   #:double-float-box
      #:double-float-add
      #:double-float-sub
      #:double-float-mul
  
positive.code:    #:short-float-sin
     #:short-float-cos
     #:short-float-sqrt
     #:single-float-add
     #:single-float-sub
     #:single-float-mul
  
negative.code:    #:fixnum-greater
     #:fixnum-not-less
     #:fixnum-equal
     #:short-float-unbox
     #:short-float-box
     #:short-float-add
     #:short-float-sub
     #:short-float-mul
  