floatformat_from_doublest. Make static.
(convert_floatformat_to_doublest): Rename floatformat_to_doublest.
Make static.
(floatformat_to_doublest): New function.
(floatformat_from_doublest): New function.
(host_float_format, host_double_format, host_long_double_format):
New static variables.
(store_floating, extract_floating): Always use
floatformat_to_doublest and floatformat_from_doublest.
* doublest.h (HOST_LONG_DOUBLE_FORMAT): Delete macro.
paramter a const void pointer.
(floatformat_from_doublest): Make IN const, Make OUT a void
pointer.
* doublest.c (floatformat_to_doublest): Update.
(floatformat_from_doublest): Update.
(extract_floating): Update.