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author | vlefevre <vlefevre@280ebfd0-de03-0410-8827-d642c229c3f4> | 2000-12-14 15:28:28 +0000 |
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committer | vlefevre <vlefevre@280ebfd0-de03-0410-8827-d642c229c3f4> | 2000-12-14 15:28:28 +0000 |
commit | cd39e34a339cc632815536de36f2d69b318540dd (patch) | |
tree | e2f2d9367a194348f43fd8ba6583db3484df41ee /set_f.c | |
parent | 27fc2de35bc7ddb9fa7b2f6dd43d32bdf6178758 (diff) | |
download | mpfr-cd39e34a339cc632815536de36f2d69b318540dd.tar.gz |
Take into account Inf, Nans ; clear the flags of the return variable
in most function calls.
git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@858 280ebfd0-de03-0410-8827-d642c229c3f4
Diffstat (limited to 'set_f.c')
-rw-r--r-- | set_f.c | 14 |
1 files changed, 12 insertions, 2 deletions
@@ -38,6 +38,18 @@ mpfr_set_f(y, x, rnd_mode) mp_limb_t *my, *mx, *tmp; unsigned long cnt, sx, sy; TMP_DECL(marker); + if (MPFR_IS_NAN(x)) + { MPFR_CLEAR_FLAGS(y); MPFR_SET_NAN(y); return; } + + MPFR_SET_SAME_SIGN(y, x); + + if (MPFR_IS_INF(x)) + { + MPFR_CLEAR_FLAGS(y); + MPFR_SET_INF(y); + return; + } + TMP_MARK(marker); sx = ABS(SIZ(x)); sy = MPFR_ABSSIZE(y); my = MPFR_MANT(y); mx = MPFR_MANT(x); @@ -48,8 +60,6 @@ mpfr_set_f(y, x, rnd_mode) count_leading_zeros(cnt, mx[sx - 1]); - if (SIZ(x)*MPFR_SIGN(y)<0) MPFR_CHANGE_SIGN(y); - if (sy < sx) { unsigned long xprec = sx * BITS_PER_MP_LIMB; |