double-float-epsilon           most-negative-fixnum           
  double-float-negative-epsilon  most-negative-long-float       
  least-negative-double-float    most-negative-short-float      
  least-negative-long-float      most-negative-single-float     
  least-negative-short-float     most-positive-double-float     
  least-negative-single-float    most-positive-fixnum           
  least-positive-double-float    most-positive-long-float       
  least-positive-long-float      most-positive-short-float      
  least-positive-short-float     most-positive-single-float     
  least-positive-single-float    short-float-epsilon            
  long-float-epsilon             short-float-negative-epsilon   
  long-float-negative-epsilon    single-float-epsilon           
  most-negative-double-float     single-float-negative-epsilon  

  Figure 12–7: Defined names relating to implementation-dependent details about numbers.