Update.

1998-11-04  Ulrich Drepper  <drepper@cygnus.com>

	* misc/efgcvt_r.c (fcvt_r): Remove code which tries to use libm
	functions.  Reduce error in computing normalized value by multiplying
	factor in loop and compute result in one step.

diff --git a/ChangeLog b/ChangeLog
index 81e2b2b..756a0a2 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+1998-11-04  Ulrich Drepper  <drepper@cygnus.com>
+
+       * misc/efgcvt_r.c (fcvt_r): Remove code which tries to use libm
+       functions.  Reduce error in computing normalized value by multiplying
+       factor in loop and compute result in one step.
+
 1998-11-04  Andreas Jaeger  <aj@arthur.rhein-neckar.de> 
  
        * elf/dlopenold.c: Compile only if DO_VERSIONING is also defined. 

diff --git a/elf/dlopenold.c b/elf/dlopenold.c
index a9659ae..49fce7a 100644 (file)
--- a/elf/dlopenold.c
+++ b/elf/dlopenold.c
@@ -17,7 +17,9 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#ifdef PIC
+/* This file is for compatibility with glibc 2.0.  Compile it only if
+   versioning is used.  */
+#if defined PIC && DO_VERSIONING
 
 #include <dlfcn.h>
 #include <stddef.h>

diff --git a/misc/efgcvt_r.c b/misc/efgcvt_r.c
index 64dcfcd..1c237ee 100644 (file)
--- a/misc/efgcvt_r.c
+++ b/misc/efgcvt_r.c
@@ -136,10 +136,6 @@ APPEND (FUNC_PREFIX, fcvt_r) (value, ndigit, decpt, sign, buf, len)
   return 0;
 }
 
-#define weak_extern2(name) weak_extern (name)
-weak_extern2 (FLOOR) weak_extern2 (LOG10) weak_extern2 (FABS)
-weak_extern2 (EXP)
-
 int
 APPEND (FUNC_PREFIX, ecvt_r) (value, ndigit, decpt, sign, buf, len)
      FLOAT_TYPE value;
@@ -151,46 +147,34 @@ APPEND (FUNC_PREFIX, ecvt_r) (value, ndigit, decpt, sign, buf, len)
 
   if (isfinite (value) && value != 0.0)
     {
-      FLOAT_TYPE (*log10_function) (FLOAT_TYPE) = &LOG10;
-
-      if (log10_function)
-       {
-         /* Use the reasonable code if -lm is included.  */
-         FLOAT_TYPE dexponent;
-         dexponent = FLOOR (LOG10 (FABS (value)));
-         value *= EXP (dexponent * -M_LN10);
-         exponent = (int) dexponent;
-       }
+      /* Slow code that doesn't require -lm functions.  */
+      FLOAT_TYPE d;
+      FLOAT_TYPE f = 1.0;
+      if (value < 0.0)
+       d = -value;
       else
+       d = value;
+      if (d < 1.0)
        {
-         /* Slow code that doesn't require -lm functions.  */
-         FLOAT_TYPE d;
-         if (value < 0.0)
-           d = -value;
-         else
-           d = value;
-         if (d < 1.0)
+         do
            {
-             do
-               {
-                 d *= 10.0;
-                 --exponent;
-               }
-             while (d < 1.0);
+             f *= 10.0;
+             --exponent;
            }
-         else if (d >= 10.0)
+         while (d * f < 1.0);
+
+         value *= f;
+       }
+      else if (d >= 10.0)
+       {
+         do
            {
-             do
-               {
-                 d *= 0.1;
-                 ++exponent;
-               }
-             while (d >= 10.0);
+             f *= 10;
+             ++exponent;
            }
-         if (value < 0.0)
-           value = -d;
-         else
-           value = d;
+         while (d >= f * 10.0);
+
+         value /= f;
        }
     }
   else if (value == 0.0)