GETPREC()
 Determines the level of precision that is set
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 Returns

     GETPREC() returns the level of precision currently installed for
     CA-Clipper Tools trigonometric functions.  The value corresponds to the
     number of digits to the right of the decimal in the range of 1 to 16.

 Description

     GET PRECISION
     GETPREC() queries the currently installed precision level for CA-Clipper
     Tools trigonometric functions.  The returned value corresponds to the
     number of digits to the right of the decimal, that are being worked
     with.  Although the default is 16, you can change this value with
     SETPREC().

 Example

     What precision has been set?

     ? GETPREC()      //  e.g. 10