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| author |   Roland McGrath <roland@gnu.org> | 1995-02-20 09:50:50 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 1995-02-20 09:50:50 +0000 |
| commit | 0923c7a543d377bae9da0ad7075c8f9664ae70dc (patch) | |
| tree | 7fba8f9a64d1aa1a457537d8f08819ed8c1a6cf4 /stdlib/strtod.c | |
| parent | (routines): Add efgcvt. (diff) | |
| download | glibc-0923c7a543d377bae9da0ad7075c8f9664ae70dc.tar.gz glibc-0923c7a543d377bae9da0ad7075c8f9664ae70dc.tar.bz2 glibc-0923c7a543d377bae9da0ad7075c8f9664ae70dc.zip | |
Mon Feb 20 04:04:57 1995 Roland McGrath <roland@duality.gnu.ai.mit.edu>
* config.h.in [HAVE_ELF || HAVE_GNU_LD]: Define HAVE_WEAK_SYMBOLS.
* stdlib/strtod.c (PASTE, PASTE1): New helper macros; use these in
access to float.h macros.
* misc/efgcvt.c: New file.
* misc/Makefile (routines): Add efgcvt.
Diffstat (limited to 'stdlib/strtod.c')
| -rw-r--r-- | stdlib/strtod.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/stdlib/strtod.c b/stdlib/strtod.c index d647753e79..6bd2dd685a 100644 --- a/stdlib/strtod.c +++ b/stdlib/strtod.c @@ -47,13 +47,16 @@ Cambridge, MA 02139, USA. */ /* Constants we need from float.h; select the set for the FLOAT precision. */ -#define MANT_DIG FLT##_MANT_DIG -#define MAX_EXP FLT##_MAX_EXP -#define MIN_EXP FLT##_MIN_EXP -#define MAX_10_EXP FLT##_MAX_10_EXP -#define MIN_10_EXP FLT##_MIN_10_EXP -#define MAX_10_EXP_LOG FLT##_MAX_10_EXP_LOG - +#define MANT_DIG PASTE(FLT,_MANT_DIG) +#define MAX_EXP PASTE(FLT,_MAX_EXP) +#define MIN_EXP PASTE(FLT,_MIN_EXP) +#define MAX_10_EXP PASTE(FLT,_MAX_10_EXP) +#define MIN_10_EXP PASTE(FLT,_MIN_10_EXP) +#define MAX_10_EXP_LOG PASTE(FLT,_MAX_10_EXP_LOG) + +/* Extra macros required to get FLT expanded before the pasting. */ +#define PASTE(a,b) PASTE1(a,b) +#define PASTE1(a,b) a##b /* Function to construct a floating point number from an MP integer containing the fraction bits, a base 2 exponent, and a sign flag. */ |