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authorvlefevre <vlefevre@280ebfd0-de03-0410-8827-d642c229c3f4>2003-05-22 21:39:40 +0000
committervlefevre <vlefevre@280ebfd0-de03-0410-8827-d642c229c3f4>2003-05-22 21:39:40 +0000
commit44b4dd94bb98c8d9e7850ae401232bd1b2ea3028 (patch)
tree9670f0ef8017d42ad2a2062dc08c63c022e450c8 /ui_sub.c
parent2f3cb289a102043a22bd32c5950db37199fb3fd2 (diff)
downloadmpfr-44b4dd94bb98c8d9e7850ae401232bd1b2ea3028.tar.gz
Macros MPFR_EXP_INVALID (invalid exponent value) and MPFR_EXP_CHECK
added. Code update to use MPFR_GET_EXP and MPFR_SET_EXP instead of MPFR_EXP to allow more bug detection related to special values. Macros MPFR_SET_NAN, MPFR_SET_INF, MPFR_SET_ZERO and MPFR_INIT set the exponent of the number to MPFR_EXP_INVALID if MPFR_EXP_CHECK is defined. Compile with -DMPFR_EXP_CHECK and make check to see the potential problems; currently, 40 of 76 tests fail. git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@2301 280ebfd0-de03-0410-8827-d642c229c3f4
Diffstat (limited to 'ui_sub.c')
-rw-r--r--ui_sub.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/ui_sub.c b/ui_sub.c
index 10f356d8d..5942c2d28 100644
--- a/ui_sub.c
+++ b/ui_sub.c
@@ -1,6 +1,6 @@
/* mpfr_ui_sub -- subtract a floating-point number from an integer
-Copyright 2000, 2001, 2002 Free Software Foundation, Inc.
+Copyright 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
This file is part of the MPFR Library.
@@ -54,7 +54,7 @@ mpfr_ui_sub (mpfr_ptr y, unsigned long int u, mpfr_srcptr x, mp_rnd_t rnd_mode)
MPFR_ASSERTN(u == (mp_limb_t) u);
count_leading_zeros (cnt, (mp_limb_t) u);
*up = (mp_limb_t) u << cnt;
- MPFR_EXP(uu) = BITS_PER_MP_LIMB - cnt;
+ MPFR_SET_EXP (uu, BITS_PER_MP_LIMB - cnt);
return mpfr_sub (y, uu, x, rnd_mode);
}
else