HPUX PrintDbl[3]

 Tcl_PrintDouble(3)                  Tcl                  Tcl_PrintDouble(3)

 Tcl Library Procedures                               Tcl Library Procedures

                                     7.0



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 NAME
      Tcl_PrintDouble - Convert floating value to string

 SYNOPSIS
      #include <tcl.h>

      Tcl_PrintDouble(interp, value, dst)

 ARGUMENTS
      Tcl_Interp   *interp   (in)        Interpreter   that   controls   the
                                       conversion.

      double       value     (in)      Floating-point value to be converted.

      char         *dst      (out)     Where to  store  string  representing
                                       value.     Must    have    at   least
                                       TCL_DOUBLE_SPACE    characters     of
                                       storage.
 ___________________________________________________________________________


 DESCRIPTION
      Tcl_PrintDouble generates a string that represents the value of  value
      and  stores  it  in  memory  at the location given by dst.  It uses %g
      format to generate the string, with two special  twists.   First,  the
      string  is guaranteed to contain either a ``.'' or an ``e'' so that it
      doesn't look like an integer (where %g would generate an integer  with
      no decimal point, Tcl_PrintDouble adds ``.0'').  Second, the number of
      significant digits printed at dst is controlled by  the  tcl_precision
      variable  in interp;  if tcl_precision is undefined then 6 significant
      digits are printed.


 KEYWORDS
      conversion, double-precision, floating-point, string















                                    - 1 -        Formatted:  August 11, 1996