# HG changeset patch
# User jwe
# Date 1094609636 0
# Node ID c09cbec5119088187f33a0106244cad78a43f888
# Parent  0355f2f7d19350396b3993538b592642eaa1697c
[project @ 2004-09-08 02:13:55 by jwe]

diff -r 0355f2f7d193 -r c09cbec51190 ChangeLog
--- a/ChangeLog	Tue Sep 07 15:09:14 2004 +0000
+++ b/ChangeLog	Wed Sep 08 02:13:56 2004 +0000
@@ -1,3 +1,7 @@
+2004-09-07  John W. Eaton  <jwe@octave.org>
+
+	* configure.in: Check for round.
+
 2004-06-22  David Bateman  <dbateman@free.fr>
 
 	* configure.in: Use -Wl,-Bsymbolic for MKOCTFILE_DL_LDFLAGS on
diff -r 0355f2f7d193 -r c09cbec51190 configure.in
--- a/configure.in	Tue Sep 07 15:09:14 2004 +0000
+++ b/configure.in	Wed Sep 08 02:13:56 2004 +0000
@@ -29,7 +29,7 @@
 EXTERN_CXXFLAGS="$CXXFLAGS"
 
 AC_INIT
-AC_REVISION($Revision: 1.454 $)
+AC_REVISION($Revision: 1.455 $)
 AC_PREREQ(2.57)
 AC_CONFIG_SRCDIR([src/octave.cc])
 AC_CONFIG_HEADER(config.h)
@@ -963,8 +963,8 @@
   getgrnam getpgrp getpid getppid getpwent getpwuid gettimeofday \
   getuid getwd _kbhit kill link localtime_r lstat memmove mkdir \
   mkfifo mkstemp on_exit pipe poll putenv raise readlink rename \
-  rindex rmdir select setgrent setpwent setvbuf sigaction siglongjmp \
-  sigpending sigprocmask sigsuspend stat strcasecmp strdup \
+  rindex rmdir round select setgrent setpwent setvbuf sigaction \
+  siglongjmp sigpending sigprocmask sigsuspend stat strcasecmp strdup \
   strerror strftime stricmp strncasecmp strnicmp strptime symlink \
   tempnam umask unlink usleep vfprintf vsprintf vsnprintf waitpid)
 
diff -r 0355f2f7d193 -r c09cbec51190 liboctave/ChangeLog
--- a/liboctave/ChangeLog	Tue Sep 07 15:09:14 2004 +0000
+++ b/liboctave/ChangeLog	Wed Sep 08 02:13:56 2004 +0000
@@ -1,3 +1,12 @@
+2004-09-07  John W. Eaton  <jwe@octave.org>
+
+	* Range.cc (round): Delete unused function.
+
+	* lo-mappers.cc (xround): Rename from round.  Change all uses.
+	If HAVE_ROUND, call round, otherwise fake with floor and ceil.
+
+	* oct-inttypes.h: Include <cmath> here.
+
 2004-09-03  David Bateman  <dbateman@free.fr>
 
 	* boolNDArray.cc (boolNDArray::concat, boolNDArray::insert):
diff -r 0355f2f7d193 -r c09cbec51190 liboctave/Range.cc
--- a/liboctave/Range.cc	Tue Sep 07 15:09:14 2004 +0000
+++ b/liboctave/Range.cc	Wed Sep 08 02:13:56 2004 +0000
@@ -242,12 +242,6 @@
   return -tfloor (-x, ct);
 }
 
-static inline double
-round (double x, double ct)
-{
-  return tfloor (x+0.5, ct);
-}
-
 static inline bool
 teq (double u, double v, double ct = 3.0 * DBL_EPSILON)
 {
diff -r 0355f2f7d193 -r c09cbec51190 liboctave/lo-mappers.cc
--- a/liboctave/lo-mappers.cc	Tue Sep 07 15:09:14 2004 +0000
+++ b/liboctave/lo-mappers.cc	Wed Sep 08 02:13:56 2004 +0000
@@ -77,9 +77,13 @@
 }
 
 double
-round (double x)
+xround (double x)
 {
-  return D_NINT (x);
+#if defined HAVE_ROUND
+  return round (x);
+#else
+  return (x < 0 ? ceil (x - 0.5) : floor (x + 0.5);
+#endif
 }
 
 double
@@ -253,9 +257,9 @@
 }
 
 Complex
-round (const Complex& x)
+xround (const Complex& x)
 {
-  return Complex (D_NINT (real (x)), D_NINT (imag (x)));
+  return Complex (xround (real (x)), xround (imag (x)));
 }
 
 Complex
diff -r 0355f2f7d193 -r c09cbec51190 liboctave/lo-mappers.h
--- a/liboctave/lo-mappers.h	Tue Sep 07 15:09:14 2004 +0000
+++ b/liboctave/lo-mappers.h	Wed Sep 08 02:13:56 2004 +0000
@@ -30,7 +30,7 @@
 extern double fix (double x);
 extern double imag (double x);
 extern double real (double x);
-extern double round (double x);
+extern double xround (double x);
 extern double signum (double x);
 
 extern bool xisnan (double x);
@@ -59,7 +59,7 @@
 extern Complex ceil (const Complex& x);
 extern Complex fix (const Complex& x);
 extern Complex floor (const Complex& x);
-extern Complex round (const Complex& x);
+extern Complex xround (const Complex& x);
 extern Complex signum (const Complex& x);
 
 extern bool xisnan (const Complex& x);
diff -r 0355f2f7d193 -r c09cbec51190 liboctave/oct-inttypes.h
--- a/liboctave/oct-inttypes.h	Tue Sep 07 15:09:14 2004 +0000
+++ b/liboctave/oct-inttypes.h	Wed Sep 08 02:13:56 2004 +0000
@@ -23,8 +23,9 @@
 #if !defined (octave_inttypes_h)
 #define octave_inttypes_h 1
 
+#include <cmath>
+
 #include <limits>
-
 #include <iostream>
 
 #include "data-conv.h"
@@ -286,7 +287,7 @@
   {
     double t = static_cast<double> (value ());
     double tx = static_cast<double> (x.value ());
-    double r = (t == 0 && tx == 0) ? 0 : round (t / tx);
+    double r = (t == 0 && tx == 0) ? 0 : xround (t / tx);
     ival = OCTAVE_INT_FIT_TO_RANGE (r, T);
     return *this;
   }
@@ -360,7 +361,7 @@
 {
   double tb = static_cast<double> (b.value ());
   double r = pow (a, tb);
-  r = lo_ieee_isnan (r) ? 0 : round (r);
+  r = lo_ieee_isnan (r) ? 0 : xround (r);
   return OCTAVE_INT_FIT_TO_RANGE (r, T);
 }
 
@@ -370,7 +371,7 @@
 {
   double ta = static_cast<double> (a.value ());
   double r = pow (ta, b);
-  r = lo_ieee_isnan (r) ? 0 : round (r);
+  r = lo_ieee_isnan (r) ? 0 : xround (r);
   return OCTAVE_INT_FIT_TO_RANGE (r, T);
 }
 
@@ -435,8 +436,8 @@
   operator OP (const octave_int<T>& x, double y) \
   { \
     double tx = static_cast<double> (x.value ()); \
-    double r = round (tx OP y); \
-    r = lo_ieee_isnan (r) ? 0 : round (r); \
+    double r = xround (tx OP y); \
+    r = lo_ieee_isnan (r) ? 0 : xround (r); \
     return OCTAVE_INT_FIT_TO_RANGE (r, T); \
   }
 
@@ -453,7 +454,7 @@
   { \
     double ty = static_cast<double> (y.value ()); \
     double r = x OP ty; \
-    r = lo_ieee_isnan (r) ? 0 : round (r); \
+    r = lo_ieee_isnan (r) ? 0 : xround (r); \
     return OCTAVE_INT_FIT_TO_RANGE (r, T); \
   }
 
diff -r 0355f2f7d193 -r c09cbec51190 src/mappers.cc
--- a/src/mappers.cc	Tue Sep 07 15:09:14 2004 +0000
+++ b/src/mappers.cc	Wed Sep 08 02:13:56 2004 +0000
@@ -565,7 +565,7 @@
 @end deftypefn\n\
 @seealso{imag and conj}");
 
-  DEFUN_MAPPER (round, 0, 0, 0, round, 0, round, 0.0, 0.0, 0, 0,
+  DEFUN_MAPPER (round, 0, 0, 0, xround, 0, xround, 0.0, 0.0, 0, 0,
     "-*- texinfo -*-\n\
 @deftypefn {Mapping Function} {} round (@var{x})\n\
 Return the integer nearest to @var{x}.  If @var{x} is complex, return\n\