guile/guile-core NEWS libguile/ChangeLog libgui...

[Dirk Herrmann]

CVSROOT:        /cvs
Module name:    guile
Changes by:     Dirk Herrmann <address@hidden>  00/12/13 16:08:56

Modified files:
        guile-core     : NEWS 
        guile-core/libguile: ChangeLog numbers.c 

Log message:
        * Re-introduced most-positive-fixnum and most-negative-fixnum.

CVSWeb URLs:
http://subversions.gnu.org/cgi-bin/cvsweb/guile/guile-core/NEWS.diff?r1=1.229&r2=1.230
http://subversions.gnu.org/cgi-bin/cvsweb/guile/guile-core/libguile/ChangeLog.diff?r1=1.1207&r2=1.1208
http://subversions.gnu.org/cgi-bin/cvsweb/guile/guile-core/libguile/numbers.c.diff?r1=1.109&r2=1.110

Patches:
Index: guile/guile-core/NEWS
diff -u guile/guile-core/NEWS:1.229 guile/guile-core/NEWS:1.230
--- guile/guile-core/NEWS:1.229 Wed Dec 13 03:38:29 2000
+++ guile/guile-core/NEWS       Wed Dec 13 16:08:55 2000
@@ -211,7 +211,7 @@
 
 There is no such concept as a weak binding any more.
 
-** Removed constants:  most-positive-fixnum, most-negative-fixnum, bignum-radix
+** Removed constants:  bignum-radix
 
 * Changes to the gh_ interface
 
Index: guile/guile-core/libguile/ChangeLog
diff -u guile/guile-core/libguile/ChangeLog:1.1207 
guile/guile-core/libguile/ChangeLog:1.1208
--- guile/guile-core/libguile/ChangeLog:1.1207  Wed Dec 13 03:38:29 2000
+++ guile/guile-core/libguile/ChangeLog Wed Dec 13 16:08:55 2000
@@ -1,3 +1,9 @@
+2000-12-13  Dirk Herrmann  <address@hidden>
+
+       * numbers.c (scm_init_numbers):  Re-introduced bindings for
+       most-positive-fixnum and most-negative-fixnum as requested by
+       Mikael Djurfeldt.
+
 2000-12-12  Dirk Herrmann  <address@hidden>
 
        The variable scm_symbols is made static within symbols.c and
Index: guile/guile-core/libguile/numbers.c
diff -u guile/guile-core/libguile/numbers.c:1.109 
guile/guile-core/libguile/numbers.c:1.110
--- guile/guile-core/libguile/numbers.c:1.109   Thu Nov 23 05:54:49 2000
+++ guile/guile-core/libguile/numbers.c Wed Dec 13 16:08:56 2000
@@ -4353,6 +4353,13 @@
 void
 scm_init_numbers ()
 {
+  /* It may be possible to tune the performance of some algorithms by using
+   * the following constants to avoid the creation of bignums.  Please, before
+   * using these values, remember the two rules of program optimization:
+   * 1st Rule:  Don't do it.  2nd Rule (experts only):  Don't do it yet. */
+  scm_sysintern ("most-positive-fixnum", SCM_MAKINUM 
(SCM_MOST_POSITIVE_FIXNUM));
+  scm_sysintern ("most-negative-fixnum", SCM_MAKINUM 
(SCM_MOST_NEGATIVE_FIXNUM));
+
   scm_add_feature ("complex");
   scm_add_feature ("inexact");
   scm_flo0 = scm_make_real (0.0);