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annotate src/sysfloat.h @ 5214:0b4d355771bd

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Import buffer-display-count, buffer-display-time; thank you, Jeff Sparkes. man/ChangeLog addition: 2010-05-17 Jeff Sparkes <jsparkes@gmail.com> * lispref/windows.texi (Buffers and Windows): Document buffer-display-count and buffer-display-time with descriptions from GNU emacs lispref. * lispref/locals.texi (Standard Buffer-Local Variables): Add buffer-display-count and buffer-display-time. src/ChangeLog addition: 2010-05-17 Jeff Sparkes <jsparkes@gmail.com> * buffer.c (complex_vars_of_buffer): Add buffer local variables buffer-display-count and buffer-display-time. (common_init_complex_vars_of_buffer): Initialize them here. * bufslots.h: Add slots for buffer-display-count and buffer-display-time. * window.c (Fset_window_buffer): Update buffer-display-count and buffer-display-time whenever a buffer is displayed.
author Aidan Kehoe <kehoea@parhasard.net>
date Fri, 28 May 2010 13:48:22 +0100
parents 943eaba38521
children 308d34e9f07d
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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 #if defined(LINUX) && !(defined (__GLIBC__) && (__GLIBC__ >= 2))
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27 /* These are redefined (correctly, but differently) in values.h. */
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28 #undef INTBITS
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29 #undef LONGBITS
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30 #undef SHORTBITS
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31 #endif
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32
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33 #include <math.h>
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34
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35 #ifdef WIN32_NATIVE
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36 /* A quirky way to obtain logb prototype */
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37 #include <float.h>
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38 #define logb _logb
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39 #endif
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40
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41 #ifdef HAVE_MATHERR
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42 /* Work around symbol conflict on Linux/glibc */
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43 #ifndef DOMAIN
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44 /* SysV matherr is not defined if _BSD_SOURCE is used, and on Linux X11 */
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45 /* is compiled with _BSD_SOURCE which can also change the size of other */
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46 /* types. The configure test for matherr is broken. */
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47 /* Bah. Good riddance to bad rubbish. */
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48 #undef HAVE_MATHERR
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49 #endif
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50 #endif
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51
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52 #ifdef NO_MATHERR
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53 #undef HAVE_MATHERR
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54 #endif
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55
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56 #ifdef HAVE_MATHERR
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57 # ifdef FLOAT_CHECK_ERRNO
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58 # undef FLOAT_CHECK_ERRNO
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59 # endif
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60 # ifdef FLOAT_CHECK_DOMAIN
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61 # undef FLOAT_CHECK_DOMAIN
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62 # endif
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63 #endif
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64
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65 #ifndef NO_FLOAT_CHECK_ERRNO
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66 #define FLOAT_CHECK_ERRNO
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67 #endif
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69 #ifdef FLOAT_CHECK_ERRNO
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70 # include <errno.h>
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71 #endif
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72
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73 #ifndef isnan
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74 # define isnan(x) ((x) != (x))
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75 #endif
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76
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77 #endif /* INCLUDED_sysfloat_h_ */