math.def

<B>Digital的Unix操作系统VAX 4.2源码</B>

(*#@(#)math.def	4.1	Ultrix	7/17/90 *)
(* $Header: math.def,v 1.5 84/05/19 11:39:48 powell Exp $ *)

(* This defines an interface to the C math library. *)
(* Real operations are done by the C double routines after padding *)
(* with a zero.  Longreal operations simply change the name of the *)
(* procedure *)

DEFINITION MODULE math;
EXPORT QUALIFIED sin, cos, atan, atan2, exp, sqrt, log, ldexp,
  longsin, longcos, longatan, longatan2, longexp, longsqrt, longlog, longldexp;

PROCEDURE sin(x : REAL) : REAL;
PROCEDURE cos(x : REAL) : REAL;
PROCEDURE atan(x : REAL) : REAL;
PROCEDURE atan2(x, y : REAL) : REAL;
PROCEDURE exp(x : REAL) : REAL;
PROCEDURE sqrt(x : REAL) : REAL;
PROCEDURE log(x : REAL) : REAL;
PROCEDURE ldexp(x : REAL; exp : INTEGER) : REAL;

PROCEDURE longsin(x : LONGREAL) : LONGREAL;
PROCEDURE longcos(x : LONGREAL) : LONGREAL;
PROCEDURE longatan(x : LONGREAL) : LONGREAL;
PROCEDURE longatan2(x, y : LONGREAL) : LONGREAL;
PROCEDURE longexp(x : LONGREAL) : LONGREAL;
PROCEDURE longsqrt(x : LONGREAL) : LONGREAL;
PROCEDURE longlog(x : LONGREAL) : LONGREAL;
PROCEDURE longldexp(x : LONGREAL; exp : INTEGER) : LONGREAL;

END math.