annotate src/sysfloat.h @ 714:02339d4ebed4

[xemacs-hg @ 2001-12-23 20:28:19 by wmperry] 2001-12-22 William M. Perry <wmperry@gnu.org> * glyphs-gtk.c (gtk_xpm_instantiate): Don't bother doing the xpm-color-symbols checks, they are impossible to implement with GTK's XPM implementation. :( 2001-12-13 William M. Perry <wmperry@gnu.org> * select-gtk.c (gtk_own_selection): Update to follow the new method signature. Ignore owned_p as it appears to only be used for motif hacks. * redisplay-gtk.c (gtk_output_string): Fixed some warnings about signed/unsigned comparison. (gtk_output_gdk_pixmap): Remove clipping code as per change by andy@xemacs.org to the X11 code. (gtk_output_pixmap): Make this follow the output_pixmap method conventions and expose it. (gtk_output_horizontal_line): Renamed from output_hline, and expose it in our method structure. (gtk_ring_bell): Don't ring the bell if volume <= 0 * toolbar-gtk.c (gtk_output_toolbar_button): (gtk_output_frame_toolbars): (gtk_redraw_exposed_toolbars): (gtk_redraw_frame_toolbars): These are now just aliases for the common_XXX() routines in toolbar-common.c * toolbar-common.c: New common toolbar implementation. This file uses only the redisplay_XXX() functions and device methods to draw the toolbar, and so should be portable across all windowing systems (other than tty, and even then I imagine text-based stuff would work if you had a way to select it).
author wmperry
date Sun, 23 Dec 2001 20:28:22 +0000
parents abe6d1db359e
children 943eaba38521
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1 /*
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2 Copyright (C) 1995 Free Software Foundation, Inc.
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3
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4 This file is part of XEmacs.
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5
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6 XEmacs is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 2, or (at your option) any
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9 later version.
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10
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11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 /* Synched up with: Not really in FSF. */
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22
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23 #ifndef INCLUDED_sysfloat_h_
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24 #define INCLUDED_sysfloat_h_
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25
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26 /* Work around a problem that happens because math.h on hpux 7
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27 defines two static variables--which, in Emacs, are not really static,
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28 because `static' is defined as nothing. The problem is that they are
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29 defined both in data.c and in floatfns.c.
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30 These macros prevent the name conflict.
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31
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32 (Is it still necessary to define static to nothing on hpux7?
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33 Removing that would be the best fix. -jwz)
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34 */
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35 # if defined (HPUX) && !defined (HPUX8)
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36 # define _MAXLDBL THIS_FILENAME ## _maxldbl
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37 # define _NMAXLDBL THIS_FILENAME ## _nmaxldbl
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38 # endif
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39
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40 #if defined(LINUX) && !(defined (__GLIBC__) && (__GLIBC__ >= 2))
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41 /* These are redefined (correctly, but differently) in values.h. */
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42 #undef INTBITS
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43 #undef LONGBITS
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44 #undef SHORTBITS
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45 #endif
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46
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47 #include <math.h>
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48
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49 #ifdef WIN32_NATIVE
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50 /* A quirky way to obtain logb prototype */
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51 #include <float.h>
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52 #define logb _logb
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53 #endif
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54
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55 #ifdef HAVE_MATHERR
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56 /* Work around symbol conflict on Linux/glibc */
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57 #ifndef DOMAIN
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58 /* SysV matherr is not defined if _BSD_SOURCE is used, and on Linux X11 */
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59 /* is compiled with _BSD_SOURCE which can also change the size of other */
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60 /* types. The configure test for matherr is broken. */
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61 /* Bah. Good riddance to bad rubbish. */
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62 #undef HAVE_MATHERR
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63 #endif
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64 #endif
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65
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66 #ifdef NO_MATHERR
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67 #undef HAVE_MATHERR
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68 #endif
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70 #ifdef HAVE_MATHERR
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71 # ifdef FLOAT_CHECK_ERRNO
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72 # undef FLOAT_CHECK_ERRNO
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73 # endif
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74 # ifdef FLOAT_CHECK_DOMAIN
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75 # undef FLOAT_CHECK_DOMAIN
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76 # endif
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77 #endif
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78
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79 #ifndef NO_FLOAT_CHECK_ERRNO
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80 #define FLOAT_CHECK_ERRNO
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81 #endif
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82
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83 #ifdef FLOAT_CHECK_ERRNO
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84 # include <errno.h>
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85 #endif
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86
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87 #ifndef isnan
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88 # define isnan(x) ((x) != (x))
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89 #endif
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91 #endif /* INCLUDED_sysfloat_h_ */