gm2-libs-iso/RealMath

DEFINITION MODULE RealMath;

  (* Mathematical functions for the type REAL *)

CONST
pi    (const)
  pi   = 3.1415926535897932384626433832795028841972;
exp1  (const)
  exp1 = 2.7182818284590452353602874713526624977572;

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

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

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

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

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

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

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

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

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

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

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

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

IsRMathException
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 RealMath.