Index: gcc/libdecnumber/decContext.h |
diff --git a/gcc/libdecnumber/decContext.h b/gcc/libdecnumber/decContext.h |
index cdbb2447116b4f4f5ead081bb1a931c748f31780..ae0ca07b859f4f7ab7dc3bd08ee9b39a6559207f 100644 |
--- a/gcc/libdecnumber/decContext.h |
+++ b/gcc/libdecnumber/decContext.h |
@@ -29,7 +29,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
/* */ |
/* Context variables must always have valid values: */ |
/* */ |
-/* status -- [any bits may be cleared, but not set, by user] */ |
+/* 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., */ |
@@ -49,36 +49,40 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
#define DECCONTEXT |
#define DECCNAME "decContext" /* Short name */ |
#define DECCFULLNAME "Decimal Context Descriptor" /* Verbose name */ |
- #define DECCAUTHOR "Mike Cowlishaw" /* Who to blame */ |
+ #define DECCAUTHOR "Mike Cowlishaw" /* Who to blame */ |
#include "gstdint.h" /* C99 standard integers */ |
#include <stdio.h> /* for printf, etc. */ |
- #include <signal.h> /* for traps */ |
+ #include <signal.h> /* for traps */ |
/* Extended flags setting -- set this to 0 to use only IEEE flags */ |
+ #if !defined(DECEXTFLAG) |
#define DECEXTFLAG 1 /* 1=enable extended flags */ |
+ #endif |
/* Conditional code flag -- set this to 0 for best performance */ |
+ #if !defined(DECSUBSET) |
#define DECSUBSET 0 /* 1=enable subset arithmetic */ |
+ #endif |
/* Context for operations, with associated constants */ |
enum rounding { |
DEC_ROUND_CEILING, /* round towards +infinity */ |
- DEC_ROUND_UP, /* round away from 0 */ |
+ 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_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 */ |
+ 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 */ |
@@ -97,9 +101,9 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
#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). */ |
+ /* Classifications for decimal numbers, aligned with 754 (note that */ |
+ /* 'normal' and 'subnormal' are meaningful only with a decContext */ |
+ /* or a fixed size format). */ |
enum decClass { |
DEC_CLASS_SNAN, |
DEC_CLASS_QNAN, |
@@ -134,15 +138,15 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
#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_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_Clamped 0x00000400 |
+ #define DEC_Rounded 0x00000800 |
#define DEC_Subnormal 0x00001000 |
#define DEC_Underflow 0x00002000 |
#else |
@@ -152,43 +156,43 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
#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_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_Clamped 0x00000000 |
+ #define DEC_Rounded 0x00000000 |
#define DEC_Subnormal 0x00000000 |
#define DEC_Underflow 0x00000004 |
#endif |
- /* IEEE 854 groupings for the flags */ |
+ /* IEEE 754 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) |
+ /* are not in IEEE 754] */ |
+ #define DEC_IEEE_754_Division_by_zero (DEC_Division_by_zero) |
#if DECSUBSET |
- #define DEC_IEEE_854_Inexact (DEC_Inexact | DEC_Lost_digits) |
+ #define DEC_IEEE_754_Inexact (DEC_Inexact | DEC_Lost_digits) |
#else |
- #define DEC_IEEE_854_Inexact (DEC_Inexact) |
+ #define DEC_IEEE_754_Inexact (DEC_Inexact) |
#endif |
- #define DEC_IEEE_854_Invalid_operation (DEC_Conversion_syntax | \ |
+ #define DEC_IEEE_754_Invalid_operation (DEC_Conversion_syntax | \ |
DEC_Division_impossible | \ |
DEC_Division_undefined | \ |
DEC_Insufficient_storage | \ |
- DEC_Invalid_context | \ |
+ DEC_Invalid_context | \ |
DEC_Invalid_operation) |
- #define DEC_IEEE_854_Overflow (DEC_Overflow) |
- #define DEC_IEEE_854_Underflow (DEC_Underflow) |
+ #define DEC_IEEE_754_Overflow (DEC_Overflow) |
+ #define DEC_IEEE_754_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) |
+ #define DEC_Errors (DEC_IEEE_754_Division_by_zero | \ |
+ DEC_IEEE_754_Invalid_operation | \ |
+ DEC_IEEE_754_Overflow | DEC_IEEE_754_Underflow) |
/* flags which cause a result to become qNaN */ |
- #define DEC_NaNs DEC_IEEE_854_Invalid_operation |
+ #define DEC_NaNs DEC_IEEE_754_Invalid_operation |
/* flags which are normally for information only (finite results) */ |
#if DECSUBSET |
@@ -198,6 +202,13 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
#define DEC_Information (DEC_Clamped | DEC_Rounded | DEC_Inexact) |
#endif |
+ /* IEEE 854 names (for compatibility with older decNumber versions) */ |
+ #define DEC_IEEE_854_Division_by_zero DEC_IEEE_754_Division_by_zero |
+ #define DEC_IEEE_854_Inexact DEC_IEEE_754_Inexact |
+ #define DEC_IEEE_854_Invalid_operation DEC_IEEE_754_Invalid_operation |
+ #define DEC_IEEE_854_Overflow DEC_IEEE_754_Overflow |
+ #define DEC_IEEE_854_Underflow DEC_IEEE_754_Underflow |
+ |
/* Name strings for the exceptional conditions */ |
#define DEC_Condition_CS "Conversion syntax" |
#define DEC_Condition_DZ "Division by zero" |
@@ -221,7 +232,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
/* including terminator */ |
/* Initialization descriptors, used by decContextDefault */ |
- #define DEC_INIT_BASE 0 |
+ #define DEC_INIT_BASE 0 |
#define DEC_INIT_DECIMAL32 32 |
#define DEC_INIT_DECIMAL64 64 |
#define DEC_INIT_DECIMAL128 128 |
@@ -234,6 +245,10 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
#include "decContextSymbols.h" |
+ #ifdef __cplusplus |
+ extern "C" { |
+ #endif |
+ |
extern decContext * decContextClearStatus(decContext *, uint32_t); |
extern decContext * decContextDefault(decContext *, int32_t); |
extern enum rounding decContextGetRounding(decContext *); |
@@ -246,8 +261,13 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
extern decContext * decContextSetStatusFromStringQuiet(decContext *, const char *); |
extern decContext * decContextSetStatusQuiet(decContext *, uint32_t); |
extern const char * decContextStatusToString(const decContext *); |
+ extern int32_t decContextTestEndian(uint8_t); |
extern uint32_t decContextTestSavedStatus(uint32_t, uint32_t); |
extern uint32_t decContextTestStatus(decContext *, uint32_t); |
extern decContext * decContextZeroStatus(decContext *); |
+ #ifdef __cplusplus |
+ } |
+ #endif |
+ |
#endif |