Mercurial > hg > xemacs-beta
annotate src/dialog.c @ 4678:b5e1d4f6b66f
Make #'floor, #'ceiling, #'round, #'truncate conform to Common Lisp.
lisp/ChangeLog addition:
2009-08-11 Aidan Kehoe <kehoea@parhasard.net>
* cl-extra.el (ceiling*, floor*, round*, truncate*):
Implement these in terms of the C functions; mark them as
obsolete.
(mod*, rem*): Use #'nth-value with the C functions, not #'nth with
the CL emulation functions.
man/ChangeLog addition:
2009-08-11 Aidan Kehoe <kehoea@parhasard.net>
* lispref/numbers.texi (Bigfloat Basics):
Correct this documentation (ignoring for the moment that it breaks
off in mid-sentence).
tests/ChangeLog addition:
2009-08-11 Aidan Kehoe <kehoea@parhasard.net>
* automated/lisp-tests.el:
Test the new Common Lisp-compatible rounding functions available in
C.
(generate-rounding-output): Provide a function useful for
generating the data for the rounding functions tests.
src/ChangeLog addition:
2009-08-11 Aidan Kehoe <kehoea@parhasard.net>
* floatfns.c (ROUNDING_CONVERT, CONVERT_WITH_NUMBER_TYPES)
(CONVERT_WITHOUT_NUMBER_TYPES, MAYBE_TWO_ARGS_BIGNUM)
(MAYBE_ONE_ARG_BIGNUM, MAYBE_TWO_ARGS_RATIO)
(MAYBE_ONE_ARG_RATIO, MAYBE_TWO_ARGS_BIGFLOAT)
(MAYBE_ONE_ARG_BIGFLOAT, MAYBE_EFF, MAYBE_CHAR_OR_MARKER):
New macros, used in the implementation of the rounding functions.
(ceiling_two_fixnum, ceiling_two_bignum, ceiling_two_ratio)
(ceiling_two_bigfloat, ceiling_one_ratio, ceiling_one_bigfloat)
(ceiling_two_float, ceiling_one_float, ceiling_one_mundane_arg)
(floor_two_fixnum, floor_two_bignum, floor_two_ratio)
(floor_two_bigfloat, floor_one_ratio, floor_one_bigfloat)
(floor_two_float, floor_one_mundane_arg, round_two_fixnum)
(round_two_bignum_1, round_two_bignum, round_two_ratio)
(round_one_bigfloat_1, round_two_bigfloat, round_one_ratio)
(round_one_bigfloat, round_two_float, round_one_float)
(round_one_mundane_arg, truncate_two_fixnum)
(truncate_two_bignum, truncate_two_ratio, truncate_two_bigfloat)
(truncate_one_ratio, truncate_one_bigfloat, truncate_two_float)
(truncate_one_float, truncate_one_mundane_arg):
New functions, used in the implementation of the rounding
functions.
(Fceiling, Ffloor, Fround, Ftruncate, Ffceiling, Fffloor)
(Ffround, Fftruncate):
Revise to fully support Common Lisp conventions. This means:
-- All functions have optional DIVISOR arguments
-- All functions return multiple values; see #'values
-- All functions do their arithmetic with the correct number types
according to the contamination rules.
-- #'round and #'fround always round towards the even number
in ambiguous cases.
* doprnt.c (emacs_doprnt_1):
* number.c (internal_coerce_number):
Call Ftruncate with two arguments, not one.
* floatfns.c (Ffloat):
Correct this, if NUMBER is a bignum.
* lisp.h:
Declare Ftruncate as taking two arguments.
* number.c:
Provide scratch_ratio2, init it appropriately.
* number.h:
Make scratch_ratio2 available.
* number.h (BIGFLOAT_ARITH_RETURN):
* number.h (BIGFLOAT_ARITH_RETURN1):
Correct these functions.
| author | Aidan Kehoe <kehoea@parhasard.net> |
|---|---|
| date | Tue, 11 Aug 2009 17:59:23 +0100 |
| parents | 79c6ff3eef26 |
| children | 308d34e9f07d |
| rev | line source |
|---|---|
| 428 | 1 /* Implements elisp-programmable dialog boxes -- generic. |
| 2 Copyright (C) 1993, 1994 Free Software Foundation, Inc. | |
| 3 Copyright (C) 1995 Tinker Systems and INS Engineering Corp. | |
| 442 | 4 Copyright (C) 2000 Ben Wing. |
| 428 | 5 |
| 6 This file is part of XEmacs. | |
| 7 | |
| 8 XEmacs is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 10 Free Software Foundation; either version 2, or (at your option) any | |
| 11 later version. | |
| 12 | |
| 13 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 19 along with XEmacs; see the file COPYING. If not, write to | |
| 20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 21 Boston, MA 02111-1307, USA. */ | |
| 22 | |
| 23 /* Synched up with: Not in FSF. */ | |
| 24 | |
| 25 #include <config.h> | |
| 26 #include "lisp.h" | |
| 442 | 27 |
| 872 | 28 #include "frame-impl.h" |
| 428 | 29 |
| 442 | 30 Lisp_Object Vdelete_dialog_box_hook; |
| 31 Lisp_Object Qdelete_dialog_box_hook; | |
| 428 | 32 |
| 442 | 33 DEFUN ("make-dialog-box-internal", Fmake_dialog_box_internal, 2, 2, 0, /* |
| 34 Internal helper function for `make-dialog-box'. | |
| 35 This handles all dialog-box types except `general'. | |
| 36 TYPE is the same as the first argument to `make-dialog-box', and KEYS | |
| 37 a list of the remaining arguments. | |
| 428 | 38 */ |
| 442 | 39 (type, keys)) |
| 428 | 40 { |
| 41 struct frame *f = selected_frame (); | |
| 42 | |
| 442 | 43 CHECK_SYMBOL (type); |
| 428 | 44 |
| 872 | 45 if (!HAS_FRAMEMETH_P (f, make_dialog_box_internal)) |
| 563 | 46 signal_error (Qunimplemented, |
| 872 | 47 "Device does not support dialogs", FRAME_DEVICE (f)); |
| 428 | 48 |
| 872 | 49 return FRAMEMETH (f, make_dialog_box_internal, (f, type, keys)); |
| 428 | 50 } |
| 51 | |
| 52 void | |
| 53 syms_of_dialog (void) | |
| 54 { | |
| 442 | 55 DEFSUBR (Fmake_dialog_box_internal); |
| 56 | |
| 57 DEFSYMBOL (Qdelete_dialog_box_hook); | |
| 428 | 58 } |
| 59 | |
| 60 void | |
| 61 vars_of_dialog (void) | |
| 62 { | |
| 63 Fprovide (intern ("dialog")); | |
| 442 | 64 |
| 65 DEFVAR_LISP ("delete-dialog-box-hook", &Vdelete_dialog_box_hook /* | |
| 66 Function or functions to call when a dialog box is about to be deleted. | |
| 67 One arg, the dialog box id. | |
| 68 */ ); | |
| 69 Vdelete_dialog_box_hook = Qnil; | |
| 428 | 70 } |