
sin(+Number, -Result)

   Evaluates the trigonometric function sin(Number) and unifies the resulting
value with Result.



Arguments
   Number              A number.
   Result              A variable, float or breal.

Type
   Arithmetic

Description
   This predicate is used by the ECLiPSe compiler to expand evaluable
   arithmetic expressions.  So the call to sin(Number, Result) is
   equivalent to

    Result is sin(Number)

    which should be preferred for portability.

   In coroutining mode, if Number is uninstantiated, the call to sin/2 is
   delayed until this variable is instantiated.




Modes and Determinism
   sin(+, -) is det

Exceptions
     4 --- Number is not instantiated (non-coroutining mode only).
     5 --- Result is a number but not a float or breal.
    24 --- Number is not of a numeric type.
    24 --- Result is neither a number nor a variable.

Examples
   
Success:
      sin(1.5708, 1.0).
      sin(-1.5708, Result).     (gives Result = -1.0)
      sin(0, Result).           (gives Result = 0.0)
Fail:
      sin(1, 0.0).
Error:
      sin(A, 6.0).                   (Error 4).
      sin(6, 3).                     (Error 5).
      sin(4 + 2, -0.279415).         (Error 24).
      sin(5, r).                     (Error 24).





See Also
   is / 2
