[21/31] Refactor *cvt functions implementation (2/5)
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Message ID 20191015190529.11559-22-gabriel@inconstante.net.br
State New
Headers show
Series
  • Add IEEE long double <-> string functions for powerpc64le
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Commit Message

Gabriel F. T. Gomes Oct. 15, 2019, 7:05 p.m. UTC
From: "Gabriel F. T. Gomes" <gabrielftg@linux.ibm.com>

This patch is to be squashed with the other n/5 refactoring patches.

This patch only moves and merges the contents of misc/efgcvt-template.c
and misc/efgcvt_r-template.c into misc/efgcvt-dbl-macros.h.
---
 misc/efgcvt-dbl-macros.h | 52 ++++++++++++++++++++++++++++++++++++++++
 misc/efgcvt-template.c   | 25 -------------------
 misc/efgcvt_r-template.c | 33 -------------------------
 3 files changed, 52 insertions(+), 58 deletions(-)
 create mode 100644 misc/efgcvt-dbl-macros.h

Patch
diff mbox series

diff --git a/misc/efgcvt-dbl-macros.h b/misc/efgcvt-dbl-macros.h
new file mode 100644
index 0000000000..08640e9639
--- /dev/null
+++ b/misc/efgcvt-dbl-macros.h
@@ -0,0 +1,52 @@ 
+/* Macros for the implementation of *cvt functions, double version.
+   Copyright (C) 2018 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <float.h>
+
+#define FLOAT_TYPE double
+#define FUNC_PREFIX
+#define FLOAT_FMT_FLAG
+#define FLOAT_NAME_EXT
+#define FLOAT_MIN_10_EXP DBL_MIN_10_EXP
+/* Actually we have to write (DBL_DIG + log10 (DBL_MAX_10_EXP)) but we
+   don't have log10 available in the preprocessor.  */
+#define MAXDIG (NDIGIT_MAX + 3)
+#define FCVT_MAXDIG (DBL_MAX_10_EXP + MAXDIG)
+#if DBL_MANT_DIG == 53
+# define NDIGIT_MAX 17
+#elif DBL_MANT_DIG == 24
+# define NDIGIT_MAX 9
+#elif DBL_MANT_DIG == 56
+# define NDIGIT_MAX 18
+#else
+/* See IEEE 854 5.6, table 2 for this formula.  Unfortunately we need a
+   compile time constant here, so we cannot use it.  */
+# error "NDIGIT_MAX must be precomputed"
+# define NDIGIT_MAX (lrint (ceil (M_LN2 / M_LN10 * DBL_MANT_DIG + 1.0)))
+#endif
+#if DBL_MIN_10_EXP == -37
+# define FLOAT_MIN_10_NORM	1.0e-37
+#elif DBL_MIN_10_EXP == -307
+# define FLOAT_MIN_10_NORM	1.0e-307
+#elif DBL_MIN_10_EXP == -4931
+# define FLOAT_MIN_10_NORM	1.0e-4931
+#else
+/* libc can't depend on libm.  */
+# error "FLOAT_MIN_10_NORM must be precomputed"
+# define FLOAT_MIN_10_NORM	exp10 (DBL_MIN_10_EXP)
+#endif
diff --git a/misc/efgcvt-template.c b/misc/efgcvt-template.c
index 492e4e8086..f8650a934f 100644
--- a/misc/efgcvt-template.c
+++ b/misc/efgcvt-template.c
@@ -20,34 +20,9 @@ 
 #include <stdio.h>
 #include <stdlib.h>
 #include <sys/param.h>
-#include <float.h>
 #include <libc-lock.h>
 #include <math_ldbl_opt.h>
 
-#ifndef FLOAT_TYPE
-# define FLOAT_TYPE double
-# define FUNC_PREFIX
-# define FLOAT_FMT_FLAG
-/* Actually we have to write (DBL_DIG + log10 (DBL_MAX_10_EXP)) but we
-   don't have log10 available in the preprocessor.  */
-# define MAXDIG (NDIGIT_MAX + 3)
-# define FCVT_MAXDIG (DBL_MAX_10_EXP + MAXDIG)
-# if DBL_MANT_DIG == 53
-#  define NDIGIT_MAX 17
-# elif DBL_MANT_DIG == 24
-#  define NDIGIT_MAX 9
-# elif DBL_MANT_DIG == 56
-#  define NDIGIT_MAX 18
-# else
-/* See IEEE 854 5.6, table 2 for this formula.  Unfortunately we need a
-   compile time constant here, so we cannot use it.  */
-#  error "NDIGIT_MAX must be precomputed"
-#  define NDIGIT_MAX (lrint (ceil (M_LN2 / M_LN10 * DBL_MANT_DIG + 1.0)))
-# endif
-#else
-# define LONG_DOUBLE_CVT
-#endif
-
 #define APPEND(a, b) APPEND2 (a, b)
 #define APPEND2(a, b) a##b
 #define __APPEND(a, b) __APPEND2 (a, b)
diff --git a/misc/efgcvt_r-template.c b/misc/efgcvt_r-template.c
index 30d25ff114..2194093d9f 100644
--- a/misc/efgcvt_r-template.c
+++ b/misc/efgcvt_r-template.c
@@ -17,7 +17,6 @@ 
    <https://www.gnu.org/licenses/>.  */
 
 #include <errno.h>
-#include <float.h>
 #include <stdio.h>
 #include <string.h>
 #include <ctype.h>
@@ -26,38 +25,6 @@ 
 #include <sys/param.h>
 #include <math_ldbl_opt.h>
 
-#ifndef FLOAT_TYPE
-# define FLOAT_TYPE double
-# define FUNC_PREFIX
-# define FLOAT_FMT_FLAG
-# define FLOAT_NAME_EXT
-# define FLOAT_MIN_10_EXP DBL_MIN_10_EXP
-# if DBL_MANT_DIG == 53
-#  define NDIGIT_MAX 17
-# elif DBL_MANT_DIG == 24
-#  define NDIGIT_MAX 9
-# elif DBL_MANT_DIG == 56
-#  define NDIGIT_MAX 18
-# else
-/* See IEEE 854 5.6, table 2 for this formula.  Unfortunately we need a
-   compile time constant here, so we cannot use it.  */
-#  error "NDIGIT_MAX must be precomputed"
-#  define NDIGIT_MAX (lrint (ceil (M_LN2 / M_LN10 * DBL_MANT_DIG + 1.0)))
-# endif
-# if DBL_MIN_10_EXP == -37
-#  define FLOAT_MIN_10_NORM	1.0e-37
-# elif DBL_MIN_10_EXP == -307
-#  define FLOAT_MIN_10_NORM	1.0e-307
-# elif DBL_MIN_10_EXP == -4931
-#  define FLOAT_MIN_10_NORM	1.0e-4931
-# else
-/* libc can't depend on libm.  */
-#  error "FLOAT_MIN_10_NORM must be precomputed"
-#  define FLOAT_MIN_10_NORM	exp10 (DBL_MIN_10_EXP)
-# endif
-#else
-# define LONG_DOUBLE_CVT
-#endif
 
 #define APPEND(a, b) APPEND2 (a, b)
 #define APPEND2(a, b) a##b