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authorUlrich Drepper <drepper@redhat.com>1999-07-14 15:02:03 +0000
committerUlrich Drepper <drepper@redhat.com>1999-07-14 15:02:03 +0000
commitc68cb81185c18b59d974620c3679f90ee4f6c487 (patch)
treeafae7734a0f0158a9204be5e9599083de167a0c8 /sysdeps/ieee754
parentd4ff4aeb87f01f1fa146b942d223680af80b1346 (diff)
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More corrections.
	* sysdeps/i960/Implies: Imply ieee754/flt-32 and ieee754/dbl-64
	instead of ieee754.
	* sysdeps/generic/s_nextafter.c: ...here.
	* sysdeps/generic/s_nexttowardl.c: ...here.
Diffstat (limited to 'sysdeps/ieee754')
-rw-r--r--sysdeps/ieee754/ldbl-96/printf_fphex.c128
1 files changed, 74 insertions, 54 deletions
diff --git a/sysdeps/ieee754/ldbl-96/printf_fphex.c b/sysdeps/ieee754/ldbl-96/printf_fphex.c
index 8dfa387df5..844addd2f8 100644
--- a/sysdeps/ieee754/ldbl-96/printf_fphex.c
+++ b/sysdeps/ieee754/ldbl-96/printf_fphex.c
@@ -1,61 +1,81 @@
+/* Print floating point number in hexadecimal notation according to
+   ISO C 9X.
+   Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
 #ifndef LONG_DOUBLE_DENORM_BIAS
 # define LONG_DOUBLE_DENORM_BIAS (IEEE854_LONG_DOUBLE_BIAS - 1)
 #endif
 
-#define PRINT_FPHEX_LONG_DOUBLE							\
-do {										\
-      /* The "strange" 80 bit format on ix86 and m68k has an explicit		\
-	 leading digit in the 64 bit mantissa.  */				\
-      unsigned long long int num;						\
-										\
-      assert (sizeof (long double) == 12);					\
-										\
-      num = (((unsigned long long int) fpnum.ldbl.ieee.mantissa0) << 32		\
-	     | fpnum.ldbl.ieee.mantissa1);					\
-										\
-      zero_mantissa = num == 0;							\
-										\
-      if (sizeof (unsigned long int) > 6)					\
-	numstr = _itoa_word (num, numbuf + sizeof numbuf, 16,			\
-			     info->spec == 'A');				\
-      else									\
-	numstr = _itoa (num, numbuf + sizeof numbuf, 16, info->spec == 'A');	\
-										\
-      /* Fill with zeroes.  */							\
-      while (numstr > numbuf + (sizeof numbuf - 64 / 4))			\
-	*--numstr = '0';							\
-										\
-      /* We use a full nibble for the leading digit.  */			\
-      leading = *numstr++;							\
-										\
-      /* We have 3 bits from the mantissa in the leading nibble.		\
-	 Therefore we are here using `IEEE854_LONG_DOUBLE_BIAS + 3'.  */	\
-      exponent = fpnum.ldbl.ieee.exponent;					\
-										\
-      if (exponent == 0)							\
-	{									\
-	  if (zero_mantissa)							\
-	    expnegative = 0;							\
-	  else									\
-	    {									\
-	      /* This is a denormalized number.  */				\
-	      expnegative = 1;							\
-	      /* This is a hook for the m68k long double format, where the	\
-		 exponent bias is the same for normalized and denormalized	\
-		 numbers.  */							\
-	      exponent = LONG_DOUBLE_DENORM_BIAS + 3;				\
-	    }									\
-	}									\
-      else if (exponent >= IEEE854_LONG_DOUBLE_BIAS + 3)			\
-	{									\
-	  expnegative = 0;							\
-	  exponent -= IEEE854_LONG_DOUBLE_BIAS + 3;				\
-	}									\
-      else									\
-	{									\
-	  expnegative = 1;							\
-	  exponent = -(exponent - (IEEE854_LONG_DOUBLE_BIAS + 3));		\
-	}									\
+#define PRINT_FPHEX_LONG_DOUBLE \
+do {									      \
+      /* The "strange" 80 bit format on ix86 and m68k has an explicit	      \
+	 leading digit in the 64 bit mantissa.  */			      \
+      unsigned long long int num;					      \
+									      \
+      assert (sizeof (long double) == 12);				      \
+									      \
+      num = (((unsigned long long int) fpnum.ldbl.ieee.mantissa0) << 32	      \
+	     | fpnum.ldbl.ieee.mantissa1);				      \
+									      \
+      zero_mantissa = num == 0;						      \
+									      \
+      if (sizeof (unsigned long int) > 6)				      \
+	numstr = _itoa_word (num, numbuf + sizeof numbuf, 16,		      \
+			     info->spec == 'A');			      \
+      else								      \
+	numstr = _itoa (num, numbuf + sizeof numbuf, 16, info->spec == 'A');  \
+									      \
+      /* Fill with zeroes.  */						      \
+      while (numstr > numbuf + (sizeof numbuf - 64 / 4))		      \
+	*--numstr = '0';						      \
+									      \
+      /* We use a full nibble for the leading digit.  */		      \
+      leading = *numstr++;						      \
+									      \
+      /* We have 3 bits from the mantissa in the leading nibble.	      \
+	 Therefore we are here using `IEEE854_LONG_DOUBLE_BIAS + 3'.  */      \
+      exponent = fpnum.ldbl.ieee.exponent;				      \
+									      \
+      if (exponent == 0)						      \
+	{								      \
+	  if (zero_mantissa)						      \
+	    expnegative = 0;						      \
+	  else								      \
+	    {								      \
+	      /* This is a denormalized number.  */			      \
+	      expnegative = 1;						      \
+	      /* This is a hook for the m68k long double format, where the    \
+		 exponent bias is the same for normalized and denormalized    \
+		 numbers.  */						      \
+	      exponent = LONG_DOUBLE_DENORM_BIAS + 3;			      \
+	    }								      \
+	}								      \
+      else if (exponent >= IEEE854_LONG_DOUBLE_BIAS + 3)		      \
+	{								      \
+	  expnegative = 0;						      \
+	  exponent -= IEEE854_LONG_DOUBLE_BIAS + 3;			      \
+	}								      \
+      else								      \
+	{								      \
+	  expnegative = 1;						      \
+	  exponent = -(exponent - (IEEE854_LONG_DOUBLE_BIAS + 3));	      \
+	}								      \
 } while (0)
 
 #include <sysdeps/generic/printf_fphex.c>