StdLib/LibC/gdtoa: Initialize variables before use, update the Kmax definition.

gdtoaimp.h: update the Kmax definition.
strtodg.c: initialize variables before use.

general: Remove conditional sections for VAX and IBM mainframe.  Remove conditional sections for pre-ANSI (K&R) function prototypes.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Daryl McDaniel <daryl.mcdaniel@intel.com>
Reviewed-by: Erik Bjorge <erik.c.bjorge@intel.com>
Reviewed-by: Jaben carsey <Jaben.carsey@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15874 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 13 insertions, 46 deletions

diff --git a/StdLib/LibC/gdtoa/gdtoaimp.h b/StdLib/LibC/gdtoa/gdtoaimp.h
index 593b492aa2..a5eaa72f41 100644
--- a/StdLib/LibC/gdtoa/gdtoaimp.h
+++ b/StdLib/LibC/gdtoa/gdtoaimp.h
@@ -3,11 +3,7 @@
   floating-point formats to and from decimal notation.  It uses

   double-precision arithmetic internally, so there are still

   various #ifdefs that adapt the calculations to the native

-  double-precision arithmetic (any of IEEE, VAX D_floating,

-  or IBM mainframe arithmetic).

-

-  Please send bug reports to David M. Gay (dmg at acm dot org,

-  with " at " changed at "@" and " dot " changed to ".").

+  IEEE double-precision arithmetic.

 

   Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>

   This program and the accompanying materials are licensed and made available under

@@ -18,6 +14,8 @@
   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,

   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

 

+  *****************************************************************

+

   The author of this software is David M. Gay.

 

   Copyright (C) 1998-2000 by Lucent Technologies

@@ -42,7 +40,12 @@
   ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF

   THIS SOFTWARE.

 

-$NetBSD: gdtoaimp.h,v 1.5.4.1 2007/05/07 19:49:06 pavel Exp

+  Please send bug reports to David M. Gay (dmg at acm dot org,

+  with " at " changed at "@" and " dot " changed to ".").

+

+  *****************************************************************

+

+  NetBSD: gdtoaimp.h,v 1.5.4.1 2007/05/07 19:49:06 pavel Exp

 **/

 

 /* On a machine with IEEE extended-precision registers, it is

@@ -94,8 +97,6 @@ $NetBSD: gdtoaimp.h,v 1.5.4.1 2007/05/07 19:49:06 pavel Exp
  * #define Long int on machines with 32-bit ints and 64-bit longs.

  * #define Sudden_Underflow for IEEE-format machines without gradual

  *  underflow (i.e., that flush to zero on underflow).

- * #define IBM for IBM mainframe-style floating-point arithmetic.

- * #define VAX for VAX-style floating-point arithmetic (D_floating).

  * #define No_leftright to omit left-right logic in fast floating-point

  *  computation of dtoa.

  * #define Check_FLT_ROUNDS if FLT_ROUNDS can assume the values 2 or 3.

@@ -114,7 +115,6 @@ $NetBSD: gdtoaimp.h,v 1.5.4.1 2007/05/07 19:49:06 pavel Exp
  *  something other than "long long", #define Llong to be the name,

  *  and if "unsigned Llong" does not work as an unsigned version of

  *  Llong, #define #ULLong to be the corresponding unsigned type.

- * #define KR_headers for old-style C function headers.

  * #define Bad_float_h if your system lacks a float.h or if it does not

  *  define some or all of DBL_DIG, DBL_MAX_10_EXP, DBL_MAX_EXP,

  *  FLT_RADIX, FLT_ROUNDS, and DBL_MAX.

@@ -203,11 +203,7 @@ $NetBSD: gdtoaimp.h,v 1.5.4.1 2007/05/07 19:49:06 pavel Exp
 #include "stdlib.h"

 #include "string.h"

 

-#ifdef KR_headers

-#define Char char

-#else

 #define Char void

-#endif

 

 #ifdef MALLOC

 extern Char *MALLOC ANSI((size_t));

@@ -235,23 +231,6 @@ extern Char *MALLOC ANSI((size_t));
 #define DBL_MAX 1.7976931348623157e+308

 #endif

 

-#ifdef IBM

-#define DBL_DIG 16

-#define DBL_MAX_10_EXP 75

-#define DBL_MAX_EXP 63

-#define FLT_RADIX 16

-#define DBL_MAX 7.2370055773322621e+75

-#endif

-

-#ifdef VAX

-#define DBL_DIG 16

-#define DBL_MAX_10_EXP 38

-#define DBL_MAX_EXP 127

-#define FLT_RADIX 2

-#define DBL_MAX 1.7014118346046923e+38

-#define n_bigtens 2

-#endif

-

 #ifndef LONG_MAX

 #define LONG_MAX 2147483647

 #endif

@@ -265,22 +244,14 @@ extern Char *MALLOC ANSI((size_t));
 #define n_bigtens 5

 #endif

 

-#ifdef IBM

-#define n_bigtens 3

-#endif

-

-#ifdef VAX

-#define n_bigtens 2

-#endif

-

 #include "math.h"

 

 #ifdef __cplusplus

 extern "C" {

 #endif

 

-#if defined(IEEE_LITTLE_ENDIAN) + defined(IEEE_BIG_ENDIAN) + defined(VAX) + defined(IBM) != 1

-Exactly one of IEEE_LITTLE_ENDIAN, IEEE_BIG_ENDIAN, VAX, or IBM should be defined.

+#if defined(IEEE_LITTLE_ENDIAN) + defined(IEEE_BIG_ENDIAN) != 1

+Exactly one of IEEE_LITTLE_ENDIAN or IEEE_BIG_ENDIAN should be defined.

 #endif

 

 /*  This union assumes that:

@@ -316,7 +287,7 @@ typedef union { double d; UINT32 L[2]; } U;
  * An alternative that might be better on some machines is

  * #define Storeinc(a,b,c) (*a++ = b << 16 | c & 0xffff)

  */

-#if defined(IEEE_LITTLE_ENDIAN) + defined(VAX)

+#if defined(IEEE_LITTLE_ENDIAN)

 #define Storeinc(a,b,c) \

  (((unsigned short *)(void *)a)[1] = (unsigned short)b, \

   ((unsigned short *)(void *)a)[0] = (unsigned short)c, \

@@ -433,11 +404,7 @@ typedef union { double d; UINT32 L[2]; } U;
 #ifdef RND_PRODQUOT

 #define rounded_product(a,b) a = rnd_prod(a, b)

 #define rounded_quotient(a,b) a = rnd_quot(a, b)

-#ifdef KR_headers

-extern double rnd_prod(), rnd_quot();

-#else

 extern double rnd_prod(double, double), rnd_quot(double, double);

-#endif

 #else

 #define rounded_product(a,b) a *= b

 #define rounded_quotient(a,b) a /= b

@@ -503,7 +470,7 @@ extern mutex_t __gdtoa_locks[2];
   } while (/* CONSTCOND */ 0)

 #endif

 

-#define Kmax 15

+#define Kmax (sizeof(size_t) << 3)

 

  struct

 Bigint {