EFUN: to_float

SYNTAX:
float to_float( arg );
  int arg | string arg;

DESCRIPTION:
To_float converts an int or a string containing numeric characters
into a float.

RETURN VALUE:
The efun returns the float.

SEE ALSO:
to_int
to_string
to_array

EXAMPLE:
float fl;

fl = to_float( "0.12345" );
// fl is now 0.12345
