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Diffstat (limited to 'gcc-4.4.3/libdecnumber/decContext.h')
| -rw-r--r-- | gcc-4.4.3/libdecnumber/decContext.h | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/gcc-4.4.3/libdecnumber/decContext.h b/gcc-4.4.3/libdecnumber/decContext.h deleted file mode 100644 index cdbb24471..000000000 --- a/gcc-4.4.3/libdecnumber/decContext.h +++ /dev/null @@ -1,253 +0,0 @@ -/* Decimal context header module for the decNumber C Library. - Copyright (C) 2005, 2007, 2009 Free Software Foundation, Inc. - Contributed by IBM Corporation. Author Mike Cowlishaw. - - This file is part of GCC. - - GCC is free software; you can redistribute it and/or modify it under - the terms of the GNU General Public License as published by the Free - Software Foundation; either version 3, or (at your option) any later - version. - - GCC 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 General Public License - for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -<http://www.gnu.org/licenses/>. */ - -/* ------------------------------------------------------------------ */ -/* Decimal Context module header */ -/* ------------------------------------------------------------------ */ -/* */ -/* Context variables must always have valid values: */ -/* */ -/* status -- [any bits may be cleared, but not set, by user] */ -/* round -- must be one of the enumerated rounding modes */ -/* */ -/* The following variables are implied for fixed size formats (i.e., */ -/* they are ignored) but should still be set correctly in case used */ -/* with decNumber functions: */ -/* */ -/* clamp -- must be either 0 or 1 */ -/* digits -- must be in the range 1 through 999999999 */ -/* emax -- must be in the range 0 through 999999999 */ -/* emin -- must be in the range 0 through -999999999 */ -/* extended -- must be either 0 or 1 [present only if DECSUBSET] */ -/* traps -- only defined bits may be set */ -/* */ -/* ------------------------------------------------------------------ */ - -#if !defined(DECCONTEXT) - #define DECCONTEXT - #define DECCNAME "decContext" /* Short name */ - #define DECCFULLNAME "Decimal Context Descriptor" /* Verbose name */ - #define DECCAUTHOR "Mike Cowlishaw" /* Who to blame */ - - #include "gstdint.h" /* C99 standard integers */ - #include <stdio.h> /* for printf, etc. */ - #include <signal.h> /* for traps */ - - /* Extended flags setting -- set this to 0 to use only IEEE flags */ - #define DECEXTFLAG 1 /* 1=enable extended flags */ - - /* Conditional code flag -- set this to 0 for best performance */ - #define DECSUBSET 0 /* 1=enable subset arithmetic */ - - /* Context for operations, with associated constants */ - enum rounding { - DEC_ROUND_CEILING, /* round towards +infinity */ - DEC_ROUND_UP, /* round away from 0 */ - DEC_ROUND_HALF_UP, /* 0.5 rounds up */ - DEC_ROUND_HALF_EVEN, /* 0.5 rounds to nearest even */ - DEC_ROUND_HALF_DOWN, /* 0.5 rounds down */ - DEC_ROUND_DOWN, /* round towards 0 (truncate) */ - DEC_ROUND_FLOOR, /* round towards -infinity */ - DEC_ROUND_05UP, /* round for reround */ - DEC_ROUND_MAX /* enum must be less than this */ - }; - #define DEC_ROUND_DEFAULT DEC_ROUND_HALF_EVEN; - - typedef struct { - int32_t digits; /* working precision */ - int32_t emax; /* maximum positive exponent */ - int32_t emin; /* minimum negative exponent */ - enum rounding round; /* rounding mode */ - uint32_t traps; /* trap-enabler flags */ - uint32_t status; /* status flags */ - uint8_t clamp; /* flag: apply IEEE exponent clamp */ - #if DECSUBSET - uint8_t extended; /* flag: special-values allowed */ - #endif - } decContext; - - /* Maxima and Minima for context settings */ - #define DEC_MAX_DIGITS 999999999 - #define DEC_MIN_DIGITS 1 - #define DEC_MAX_EMAX 999999999 - #define DEC_MIN_EMAX 0 - #define DEC_MAX_EMIN 0 - #define DEC_MIN_EMIN -999999999 - #define DEC_MAX_MATH 999999 /* max emax, etc., for math funcs. */ - - /* Classifications for decimal numbers, aligned with 754r (note */ - /* that 'normal' and 'subnormal' are meaningful only with a */ - /* decContext or a fixed size format). */ - enum decClass { - DEC_CLASS_SNAN, - DEC_CLASS_QNAN, - DEC_CLASS_NEG_INF, - DEC_CLASS_NEG_NORMAL, - DEC_CLASS_NEG_SUBNORMAL, - DEC_CLASS_NEG_ZERO, - DEC_CLASS_POS_ZERO, - DEC_CLASS_POS_SUBNORMAL, - DEC_CLASS_POS_NORMAL, - DEC_CLASS_POS_INF - }; - /* Strings for the decClasses */ - #define DEC_ClassString_SN "sNaN" - #define DEC_ClassString_QN "NaN" - #define DEC_ClassString_NI "-Infinity" - #define DEC_ClassString_NN "-Normal" - #define DEC_ClassString_NS "-Subnormal" - #define DEC_ClassString_NZ "-Zero" - #define DEC_ClassString_PZ "+Zero" - #define DEC_ClassString_PS "+Subnormal" - #define DEC_ClassString_PN "+Normal" - #define DEC_ClassString_PI "+Infinity" - #define DEC_ClassString_UN "Invalid" - - /* Trap-enabler and Status flags (exceptional conditions), and */ - /* their names. The top byte is reserved for internal use */ - #if DECEXTFLAG - /* Extended flags */ - #define DEC_Conversion_syntax 0x00000001 - #define DEC_Division_by_zero 0x00000002 - #define DEC_Division_impossible 0x00000004 - #define DEC_Division_undefined 0x00000008 - #define DEC_Insufficient_storage 0x00000010 /* [when malloc fails] */ - #define DEC_Inexact 0x00000020 - #define DEC_Invalid_context 0x00000040 - #define DEC_Invalid_operation 0x00000080 - #if DECSUBSET - #define DEC_Lost_digits 0x00000100 - #endif - #define DEC_Overflow 0x00000200 - #define DEC_Clamped 0x00000400 - #define DEC_Rounded 0x00000800 - #define DEC_Subnormal 0x00001000 - #define DEC_Underflow 0x00002000 - #else - /* IEEE flags only */ - #define DEC_Conversion_syntax 0x00000010 - #define DEC_Division_by_zero 0x00000002 - #define DEC_Division_impossible 0x00000010 - #define DEC_Division_undefined 0x00000010 - #define DEC_Insufficient_storage 0x00000010 /* [when malloc fails] */ - #define DEC_Inexact 0x00000001 - #define DEC_Invalid_context 0x00000010 - #define DEC_Invalid_operation 0x00000010 - #if DECSUBSET - #define DEC_Lost_digits 0x00000000 - #endif - #define DEC_Overflow 0x00000008 - #define DEC_Clamped 0x00000000 - #define DEC_Rounded 0x00000000 - #define DEC_Subnormal 0x00000000 - #define DEC_Underflow 0x00000004 - #endif - - /* IEEE 854 groupings for the flags */ - /* [DEC_Clamped, DEC_Lost_digits, DEC_Rounded, and DEC_Subnormal */ - /* are not in IEEE 854] */ - #define DEC_IEEE_854_Division_by_zero (DEC_Division_by_zero) - #if DECSUBSET - #define DEC_IEEE_854_Inexact (DEC_Inexact | DEC_Lost_digits) - #else - #define DEC_IEEE_854_Inexact (DEC_Inexact) - #endif - #define DEC_IEEE_854_Invalid_operation (DEC_Conversion_syntax | \ - DEC_Division_impossible | \ - DEC_Division_undefined | \ - DEC_Insufficient_storage | \ - DEC_Invalid_context | \ - DEC_Invalid_operation) - #define DEC_IEEE_854_Overflow (DEC_Overflow) - #define DEC_IEEE_854_Underflow (DEC_Underflow) - - /* flags which are normally errors (result is qNaN, infinite, or 0) */ - #define DEC_Errors (DEC_IEEE_854_Division_by_zero | \ - DEC_IEEE_854_Invalid_operation | \ - DEC_IEEE_854_Overflow | DEC_IEEE_854_Underflow) - /* flags which cause a result to become qNaN */ - #define DEC_NaNs DEC_IEEE_854_Invalid_operation - - /* flags which are normally for information only (finite results) */ - #if DECSUBSET - #define DEC_Information (DEC_Clamped | DEC_Rounded | DEC_Inexact \ - | DEC_Lost_digits) - #else - #define DEC_Information (DEC_Clamped | DEC_Rounded | DEC_Inexact) - #endif - - /* Name strings for the exceptional conditions */ - #define DEC_Condition_CS "Conversion syntax" - #define DEC_Condition_DZ "Division by zero" - #define DEC_Condition_DI "Division impossible" - #define DEC_Condition_DU "Division undefined" - #define DEC_Condition_IE "Inexact" - #define DEC_Condition_IS "Insufficient storage" - #define DEC_Condition_IC "Invalid context" - #define DEC_Condition_IO "Invalid operation" - #if DECSUBSET - #define DEC_Condition_LD "Lost digits" - #endif - #define DEC_Condition_OV "Overflow" - #define DEC_Condition_PA "Clamped" - #define DEC_Condition_RO "Rounded" - #define DEC_Condition_SU "Subnormal" - #define DEC_Condition_UN "Underflow" - #define DEC_Condition_ZE "No status" - #define DEC_Condition_MU "Multiple status" - #define DEC_Condition_Length 21 /* length of the longest string, */ - /* including terminator */ - - /* Initialization descriptors, used by decContextDefault */ - #define DEC_INIT_BASE 0 - #define DEC_INIT_DECIMAL32 32 - #define DEC_INIT_DECIMAL64 64 - #define DEC_INIT_DECIMAL128 128 - /* Synonyms */ - #define DEC_INIT_DECSINGLE DEC_INIT_DECIMAL32 - #define DEC_INIT_DECDOUBLE DEC_INIT_DECIMAL64 - #define DEC_INIT_DECQUAD DEC_INIT_DECIMAL128 - - /* decContext routines */ - - #include "decContextSymbols.h" - - extern decContext * decContextClearStatus(decContext *, uint32_t); - extern decContext * decContextDefault(decContext *, int32_t); - extern enum rounding decContextGetRounding(decContext *); - extern uint32_t decContextGetStatus(decContext *); - extern decContext * decContextRestoreStatus(decContext *, uint32_t, uint32_t); - extern uint32_t decContextSaveStatus(decContext *, uint32_t); - extern decContext * decContextSetRounding(decContext *, enum rounding); - extern decContext * decContextSetStatus(decContext *, uint32_t); - extern decContext * decContextSetStatusFromString(decContext *, const char *); - extern decContext * decContextSetStatusFromStringQuiet(decContext *, const char *); - extern decContext * decContextSetStatusQuiet(decContext *, uint32_t); - extern const char * decContextStatusToString(const decContext *); - extern uint32_t decContextTestSavedStatus(uint32_t, uint32_t); - extern uint32_t decContextTestStatus(decContext *, uint32_t); - extern decContext * decContextZeroStatus(decContext *); - -#endif |