StdLib: The formatting for double float values, within the gdtoa library, is improper.
When running Enquire.efi, several errors similar to the following are produced:
Maximum exponent = 128
Maximum number = 3.40282347e+38
*** WARNING: Possibly bad output from printf above
expected value around 3.40282347e38, bit pattern:
11111111 11111111 01111111 01111111
sscanf gave -inf, bit pattern:
00000000 00000000 10000000 11111111
difference= inf
Overflow doesn’t seem to generate a trap
The memory allocation tests will also fail, sometimes leaving all available memory consumed.
The correct output in the above example is:
Maximum exponent = 128
Maximum number = 3.40282347e+38
Overflow doesn't seem to generate a trap
The root cause is that all operations on values of Long or ULong type, within the gdtoa library, must be 32-bit operations. A previous change replaced the Long and ULong definitions with INTN and UINTN, respectively. While this is correct for a lot of Linux and NetBSD code, it was not correct for this library.
This fix reverts the definitions of ULong and Long back to 32-bit types.
A descriptive comment has also been added to the U union.
Additional white-space has been added to tidy up the definitions of the word0 and word1 macros.
Verified with Enquire.efi and the ISO/IEC C Library compliance Validation Suite.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Daryl McDaniel <daryl.mcdaniel@intel.com>
Reviewed-by: Jaben Carsey <Jaben.carsey@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15765 6f19259b-4bc3-4df7-8a09-765794883524
2014-08-06 20:29:02 +02:00
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/** @file
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2011-04-27 23:42:16 +02:00
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StdLib: The formatting for double float values, within the gdtoa library, is improper.
When running Enquire.efi, several errors similar to the following are produced:
Maximum exponent = 128
Maximum number = 3.40282347e+38
*** WARNING: Possibly bad output from printf above
expected value around 3.40282347e38, bit pattern:
11111111 11111111 01111111 01111111
sscanf gave -inf, bit pattern:
00000000 00000000 10000000 11111111
difference= inf
Overflow doesn’t seem to generate a trap
The memory allocation tests will also fail, sometimes leaving all available memory consumed.
The correct output in the above example is:
Maximum exponent = 128
Maximum number = 3.40282347e+38
Overflow doesn't seem to generate a trap
The root cause is that all operations on values of Long or ULong type, within the gdtoa library, must be 32-bit operations. A previous change replaced the Long and ULong definitions with INTN and UINTN, respectively. While this is correct for a lot of Linux and NetBSD code, it was not correct for this library.
This fix reverts the definitions of ULong and Long back to 32-bit types.
A descriptive comment has also been added to the U union.
Additional white-space has been added to tidy up the definitions of the word0 and word1 macros.
Verified with Enquire.efi and the ISO/IEC C Library compliance Validation Suite.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Daryl McDaniel <daryl.mcdaniel@intel.com>
Reviewed-by: Jaben Carsey <Jaben.carsey@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15765 6f19259b-4bc3-4df7-8a09-765794883524
2014-08-06 20:29:02 +02:00
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Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available under
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the terms and conditions of the BSD License that accompanies this distribution.
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The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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2011-04-27 23:42:16 +02:00
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The author of this software is David M. Gay.
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Copyright (C) 1998 by Lucent Technologies
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and
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its documentation for any purpose and without fee is hereby
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granted, provided that the above copyright notice appear in all
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copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of Lucent or any of its entities
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not be used in advertising or publicity pertaining to
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distribution of the software without specific, written prior
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permission.
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LUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
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IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY
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SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
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IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
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THIS SOFTWARE.
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StdLib: The formatting for double float values, within the gdtoa library, is improper.
When running Enquire.efi, several errors similar to the following are produced:
Maximum exponent = 128
Maximum number = 3.40282347e+38
*** WARNING: Possibly bad output from printf above
expected value around 3.40282347e38, bit pattern:
11111111 11111111 01111111 01111111
sscanf gave -inf, bit pattern:
00000000 00000000 10000000 11111111
difference= inf
Overflow doesn’t seem to generate a trap
The memory allocation tests will also fail, sometimes leaving all available memory consumed.
The correct output in the above example is:
Maximum exponent = 128
Maximum number = 3.40282347e+38
Overflow doesn't seem to generate a trap
The root cause is that all operations on values of Long or ULong type, within the gdtoa library, must be 32-bit operations. A previous change replaced the Long and ULong definitions with INTN and UINTN, respectively. While this is correct for a lot of Linux and NetBSD code, it was not correct for this library.
This fix reverts the definitions of ULong and Long back to 32-bit types.
A descriptive comment has also been added to the U union.
Additional white-space has been added to tidy up the definitions of the word0 and word1 macros.
Verified with Enquire.efi and the ISO/IEC C Library compliance Validation Suite.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Daryl McDaniel <daryl.mcdaniel@intel.com>
Reviewed-by: Jaben Carsey <Jaben.carsey@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15765 6f19259b-4bc3-4df7-8a09-765794883524
2014-08-06 20:29:02 +02:00
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$NetBSD: gdtoa.h,v 1.6.4.1.4.1 2008/04/08 21:10:55 jdc Exp
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2011-04-27 23:42:16 +02:00
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****************************************************************/
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/* Please send bug reports to David M. Gay (dmg at acm dot org,
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* with " at " changed at "@" and " dot " changed to "."). */
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#ifndef GDTOA_H_INCLUDED
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#define GDTOA_H_INCLUDED
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#include <LibConfig.h>
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#include "arith.h"
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#ifndef Long
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StdLib: The formatting for double float values, within the gdtoa library, is improper.
When running Enquire.efi, several errors similar to the following are produced:
Maximum exponent = 128
Maximum number = 3.40282347e+38
*** WARNING: Possibly bad output from printf above
expected value around 3.40282347e38, bit pattern:
11111111 11111111 01111111 01111111
sscanf gave -inf, bit pattern:
00000000 00000000 10000000 11111111
difference= inf
Overflow doesn’t seem to generate a trap
The memory allocation tests will also fail, sometimes leaving all available memory consumed.
The correct output in the above example is:
Maximum exponent = 128
Maximum number = 3.40282347e+38
Overflow doesn't seem to generate a trap
The root cause is that all operations on values of Long or ULong type, within the gdtoa library, must be 32-bit operations. A previous change replaced the Long and ULong definitions with INTN and UINTN, respectively. While this is correct for a lot of Linux and NetBSD code, it was not correct for this library.
This fix reverts the definitions of ULong and Long back to 32-bit types.
A descriptive comment has also been added to the U union.
Additional white-space has been added to tidy up the definitions of the word0 and word1 macros.
Verified with Enquire.efi and the ISO/IEC C Library compliance Validation Suite.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Daryl McDaniel <daryl.mcdaniel@intel.com>
Reviewed-by: Jaben Carsey <Jaben.carsey@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15765 6f19259b-4bc3-4df7-8a09-765794883524
2014-08-06 20:29:02 +02:00
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#define Long int32_t
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2011-04-27 23:42:16 +02:00
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#endif
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#ifndef ULong
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StdLib: The formatting for double float values, within the gdtoa library, is improper.
When running Enquire.efi, several errors similar to the following are produced:
Maximum exponent = 128
Maximum number = 3.40282347e+38
*** WARNING: Possibly bad output from printf above
expected value around 3.40282347e38, bit pattern:
11111111 11111111 01111111 01111111
sscanf gave -inf, bit pattern:
00000000 00000000 10000000 11111111
difference= inf
Overflow doesn’t seem to generate a trap
The memory allocation tests will also fail, sometimes leaving all available memory consumed.
The correct output in the above example is:
Maximum exponent = 128
Maximum number = 3.40282347e+38
Overflow doesn't seem to generate a trap
The root cause is that all operations on values of Long or ULong type, within the gdtoa library, must be 32-bit operations. A previous change replaced the Long and ULong definitions with INTN and UINTN, respectively. While this is correct for a lot of Linux and NetBSD code, it was not correct for this library.
This fix reverts the definitions of ULong and Long back to 32-bit types.
A descriptive comment has also been added to the U union.
Additional white-space has been added to tidy up the definitions of the word0 and word1 macros.
Verified with Enquire.efi and the ISO/IEC C Library compliance Validation Suite.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Daryl McDaniel <daryl.mcdaniel@intel.com>
Reviewed-by: Jaben Carsey <Jaben.carsey@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15765 6f19259b-4bc3-4df7-8a09-765794883524
2014-08-06 20:29:02 +02:00
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#define ULong uint32_t
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2011-04-27 23:42:16 +02:00
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#endif
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#ifndef UShort
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#define UShort uint16_t
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#endif
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#ifndef ANSI
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#define ANSI(x) x
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#define Void void
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#endif /* ANSI */
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#ifndef CONST
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#define CONST const
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#endif /* CONST */
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enum { /* return values from strtodg */
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STRTOG_Zero = 0,
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STRTOG_Normal = 1,
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STRTOG_Denormal = 2,
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STRTOG_Infinite = 3,
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STRTOG_NaN = 4,
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STRTOG_NaNbits = 5,
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STRTOG_NoNumber = 6,
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STRTOG_Retmask = 7,
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/* The following may be or-ed into one of the above values. */
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STRTOG_Neg = 0x08,
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STRTOG_Inexlo = 0x10,
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STRTOG_Inexhi = 0x20,
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STRTOG_Inexact = 0x30,
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STRTOG_Underflow= 0x40,
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STRTOG_Overflow = 0x80,
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STRTOG_NoMemory = 0x100
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};
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typedef struct
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FPI {
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int nbits;
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int emin;
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int emax;
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int rounding;
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int sudden_underflow;
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} FPI;
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enum { /* FPI.rounding values: same as FLT_ROUNDS */
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FPI_Round_zero = 0,
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FPI_Round_near = 1,
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FPI_Round_up = 2,
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FPI_Round_down = 3
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define dtoa __dtoa
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#define gdtoa __gdtoa
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#define ldtoa __ldtoa
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#define hldtoa __hldtoa
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#define hdtoa __hdtoa
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#define freedtoa __freedtoa
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#define strtodg __strtodg_D2A
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#define strtopQ __strtopQ_D2A
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#define strtopx __strtopx_D2A
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#define strtopxL __strtopxL_D2A
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#define strtord __strtord_D2A
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extern char* dtoa ANSI((double d, int mode, int ndigits, int *decpt,
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int *sign, char **rve));
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extern char* hdtoa ANSI((double d, const char *xdigs, int ndigits, int *decpt,
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int *sign, char **rve));
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extern char* ldtoa ANSI((long double *ld, int mode, int ndigits, int *decpt,
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int *sign, char **rve));
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extern char* hldtoa ANSI((long double e, const char *xdigs, int ndigits,
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int *decpt, int *sign, char **rve));
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extern char* gdtoa ANSI((FPI *fpi, int be, ULong *bits, int *kindp,
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int mode, int ndigits, int *decpt, char **rve));
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extern void freedtoa ANSI((char*));
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extern float strtof ANSI((CONST char *, char **));
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extern double strtod ANSI((CONST char *, char **));
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extern int strtodg ANSI((CONST char*, char**, CONST FPI*, Long*, ULong*));
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extern char* g_ddfmt ANSI((char*, double*, int, unsigned));
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extern char* g_dfmt ANSI((char*, double*, int, unsigned));
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extern char* g_ffmt ANSI((char*, float*, int, unsigned));
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extern char* g_Qfmt ANSI((char*, void*, int, unsigned));
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extern char* g_xfmt ANSI((char*, void*, int, unsigned));
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extern char* g_xLfmt ANSI((char*, void*, int, unsigned));
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extern int strtoId ANSI((CONST char*, char**, double*, double*));
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extern int strtoIdd ANSI((CONST char*, char**, double*, double*));
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extern int strtoIf ANSI((CONST char*, char**, float*, float*));
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extern int strtoIQ ANSI((CONST char*, char**, void*, void*));
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extern int strtoIx ANSI((CONST char*, char**, void*, void*));
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extern int strtoIxL ANSI((CONST char*, char**, void*, void*));
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extern int strtord ANSI((CONST char*, char**, int, double*));
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extern int strtordd ANSI((CONST char*, char**, int, double*));
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extern int strtorf ANSI((CONST char*, char**, int, float*));
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extern int strtorQ ANSI((CONST char*, char**, int, void*));
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extern int strtorx ANSI((CONST char*, char**, int, void*));
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extern int strtorxL ANSI((CONST char*, char**, int, void*));
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extern int strtodI ANSI((CONST char*, char**, double*));
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extern int strtopd ANSI((CONST char*, char**, double*));
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extern int strtopdd ANSI((CONST char*, char**, double*));
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extern int strtopf ANSI((CONST char*, char**, float*));
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extern int strtopQ ANSI((CONST char*, char**, void*));
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extern int strtopx ANSI((CONST char*, char**, void*));
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extern int strtopxL ANSI((CONST char*, char**, void*));
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#ifdef __cplusplus
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}
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#endif
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#endif /* GDTOA_H_INCLUDED */
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