The GNU Modula-2 front end to GCC

gm2-libs-iso/LongMath

DEFINITION MODULE LongMath;

  (* Mathematical functions for the type LONGREAL *)

CONST

  pi   = 3.1415926535897932384626433832795028841972;

  exp1 = 2.7182818284590452353602874713526624977572;


PROCEDURE __BUILTIN__ sqrt (x: LONGREAL): LONGREAL;
  (* Returns the positive square root of x *)


PROCEDURE __BUILTIN__ exp (x: LONGREAL): LONGREAL;
  (* Returns the exponential of x *)


PROCEDURE __BUILTIN__ ln (x: LONGREAL): LONGREAL;
  (* Returns the natural logarithm of x *)

  (* The angle in all trigonometric functions is measured in radians *)


PROCEDURE __BUILTIN__ sin (x: LONGREAL): LONGREAL;
  (* Returns the sine of x *)


PROCEDURE __BUILTIN__ cos (x: LONGREAL): LONGREAL;
  (* Returns the cosine of x *)


PROCEDURE tan (x: LONGREAL): LONGREAL;
  (* Returns the tangent of x *)


PROCEDURE arcsin (x: LONGREAL): LONGREAL;
  (* Returns the arcsine of x *)


PROCEDURE arccos (x: LONGREAL): LONGREAL;
  (* Returns the arccosine of x *)


PROCEDURE arctan (x: LONGREAL): LONGREAL;
  (* Returns the arctangent of x *)


PROCEDURE power (base, exponent: LONGREAL): LONGREAL;
  (* Returns the value of the number base raised to the power exponent *)


PROCEDURE round (x: LONGREAL): INTEGER;
  (* Returns the value of x rounded to the nearest integer *)


PROCEDURE IsRMathException (): BOOLEAN;
  (* Returns TRUE if the current coroutine is in the exceptional
     execution state because of the raising of an exception in a
     routine from this module; otherwise returns FALSE.
  *)

END LongMath.