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| author | Siddhesh Poyarekar <siddhesh@redhat.com> | 2013-03-15 10:44:03 +0530 |
|---|---|---|
| committer | Siddhesh Poyarekar <siddhesh@redhat.com> | 2013-03-15 10:44:03 +0530 |
| commit | d22ca8cdfb98001d03772ef264b244930d439b3f (patch) | |
| tree | e8d93225ec15c06b76882fbc85762de098e0262c /sysdeps/ieee754/dbl-64/mpa.h | |
| parent | bcda98809c4a8681661cdaafbe23ec318fb4c394 (diff) | |
| download | glibc-d22ca8cdfb98001d03772ef264b244930d439b3f.tar.gz glibc-d22ca8cdfb98001d03772ef264b244930d439b3f.tar.xz glibc-d22ca8cdfb98001d03772ef264b244930d439b3f.zip | |
Make mantissa type configurable
This allows the default mantissa to be integral, with powerpc overriding it to take advantage of its FPUs.
Diffstat (limited to 'sysdeps/ieee754/dbl-64/mpa.h')
| -rw-r--r-- | sysdeps/ieee754/dbl-64/mpa.h | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/sysdeps/ieee754/dbl-64/mpa.h b/sysdeps/ieee754/dbl-64/mpa.h index 168b334ed0..54044a0586 100644 --- a/sysdeps/ieee754/dbl-64/mpa.h +++ b/sysdeps/ieee754/dbl-64/mpa.h @@ -35,6 +35,7 @@ /* Common types and definition */ /************************************************************************/ +#include <mpa-arch.h> /* The mp_no structure holds the details of a multi-precision floating point number. @@ -61,7 +62,7 @@ typedef struct { int e; - double d[40]; + mantissa_t d[40]; } mp_no; typedef union @@ -82,9 +83,13 @@ extern const mp_no mptwo; #define ABS(x) ((x) < 0 ? -(x) : (x)) -#define RADIX 0x1.0p24 /* 2^24 */ -#define RADIXI 0x1.0p-24 /* 2^-24 */ -#define CUTTER 0x1.0p76 /* 2^76 */ +#ifndef RADIXI +# define RADIXI 0x1.0p-24 /* 2^-24 */ +#endif + +#ifndef TWO52 +# define TWO52 0x1.0p52 /* 2^52 */ +#endif #define ZERO 0.0 /* 0 */ #define MZERO -0.0 /* 0 with the sign bit set */ @@ -92,13 +97,13 @@ extern const mp_no mptwo; #define MONE -1.0 /* -1 */ #define TWO 2.0 /* 2 */ -#define TWO5 0x1.0p5 /* 2^5 */ -#define TWO8 0x1.0p8 /* 2^52 */ -#define TWO10 0x1.0p10 /* 2^10 */ -#define TWO18 0x1.0p18 /* 2^18 */ -#define TWO19 0x1.0p19 /* 2^19 */ -#define TWO23 0x1.0p23 /* 2^23 */ -#define TWO52 0x1.0p52 /* 2^52 */ +#define TWO5 TWOPOW (5) /* 2^5 */ +#define TWO8 TWOPOW (8) /* 2^52 */ +#define TWO10 TWOPOW (10) /* 2^10 */ +#define TWO18 TWOPOW (18) /* 2^18 */ +#define TWO19 TWOPOW (19) /* 2^19 */ +#define TWO23 TWOPOW (23) /* 2^23 */ + #define TWO57 0x1.0p57 /* 2^57 */ #define TWO71 0x1.0p71 /* 2^71 */ #define TWOM1032 0x1.0p-1032 /* 2^-1032 */ |