File mpc-1.0.3-addsubulp.diff of Package mpc

From: Paul Zimmermann <Paul.Zimmermann@inria.fr>
Date: Wed, 4 Oct 2017 20:09:40 +0000 (+0200)
Subject: replace obsolete mpfr_add_one_ulp/mpfr_sub_one_ulp functions
X-Git-Url: https://scm.gforge.inria.fr/anonscm/gitweb?p=mpc%2Fmpc.git;a=commitdiff_plain;h=5eaa17651b759c7856a118835802fecbebcf46ad

replace obsolete mpfr_add_one_ulp/mpfr_sub_one_ulp functions
---

Index: mpc-1.0.3/src/mpc-impl.h
===================================================================
--- mpc-1.0.3.orig/src/mpc-impl.h	2018-01-02 14:04:02.075989843 +0100
+++ mpc-1.0.3/src/mpc-impl.h	2018-01-02 14:05:02.712974966 +0100
@@ -60,8 +60,10 @@ along with this program. If not, see htt
    mpfr_setsign (x, y, 0, rnd) : \
    mpfr_copysign (x, y, z, rnd))
    /* work around spurious signs in nan */
-#define MPFR_ADD_ONE_ULP(x) mpfr_add_one_ulp (x, GMP_RNDN)
-#define MPFR_SUB_ONE_ULP(x) mpfr_sub_one_ulp (x, GMP_RNDN)
+#define MPFR_ADD_ONE_ULP(x) \
+   (mpfr_sgn (x) > 0 ? mpfr_nextabove (x) : mpfr_nextbelow (x))
+#define MPFR_SUB_ONE_ULP(x) \
+   (mpfr_sgn (x) > 0 ? mpfr_nextbelow (x) : mpfr_nextabove (x))
    /* drop unused rounding mode from macroes */
 #define MPFR_SWAP(a,b) do { mpfr_srcptr tmp; tmp = a; a = b; b = tmp; } while (0)