diff options
| author | Jeff Johnston <jjohnstn@redhat.com> | 2006-08-03 16:56:05 +0000 |
|---|---|---|
| committer | Jeff Johnston <jjohnstn@redhat.com> | 2006-08-03 16:56:05 +0000 |
| commit | 079b45dc00db5035925df22de0a117c6638d2496 (patch) | |
| tree | 4fa1788a19291508bfd7d5567a86f744867bc502 | |
| parent | fb43e6237c2c7a9d81017a7f6254035afb04c633 (diff) | |
| download | cygnal-079b45dc00db5035925df22de0a117c6638d2496.tar.gz cygnal-079b45dc00db5035925df22de0a117c6638d2496.tar.bz2 cygnal-079b45dc00db5035925df22de0a117c6638d2496.zip | |
2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
* dtoa.c (dtoa_r): Handle the denormalized _DOUBLE_IS_32BITS case
properly.
| -rw-r--r-- | newlib/ChangeLog | 5 | ||||
| -rw-r--r-- | newlib/libc/stdlib/dtoa.c | 8 |
2 files changed, 13 insertions, 0 deletions
diff --git a/newlib/ChangeLog b/newlib/ChangeLog index 31df6adc8..f593208ab 100644 --- a/newlib/ChangeLog +++ b/newlib/ChangeLog @@ -1,3 +1,8 @@ +2006-08-03 J"orn Rennecke <joern.rennecke@st.com> + + * dtoa.c (dtoa_r): Handle the denormalized _DOUBLE_IS_32BITS case + properly. + 2006-08-01 Jeff Johnston <jjohnstn@redhat.com> * libc/Makefile.am: Add libc_TEXINFOS dependency on diff --git a/newlib/libc/stdlib/dtoa.c b/newlib/libc/stdlib/dtoa.c index 62597c755..c72ffac5e 100644 --- a/newlib/libc/stdlib/dtoa.c +++ b/newlib/libc/stdlib/dtoa.c @@ -338,15 +338,23 @@ _DEFUN (_dtoa_r, /* d is denormalized */ i = bbits + be + (Bias + (P - 1) - 1); +#if defined (_DOUBLE_IS_32BITS) + x = word0 (d) << (32 - i); +#else x = (i > 32) ? (word0 (d) << (64 - i)) | (word1 (d) >> (i - 32)) : (word1 (d) << (32 - i)); +#endif d2.d = x; word0 (d2) -= 31 * Exp_msk1; /* adjust exponent */ i -= (Bias + (P - 1) - 1) + 1; denorm = 1; } #endif +#if defined (_DOUBLE_IS_32BITS) + ds = (d2.d - 1.5) * 0.289529651 + 0.176091269 + i * 0.30103001; +#else ds = (d2.d - 1.5) * 0.289529654602168 + 0.1760912590558 + i * 0.301029995663981; +#endif k = (int) ds; if (ds < 0. && ds != k) k--; /* want k = floor(ds) */ |