gentoo-overlay/dev-libs/mpc/files/mpc-1.0.3-no-ulp.patch

mpfr-4.0.0 removed 'mpfr_add_one_ulp' and 'mpfr_sub_one_ulp'

From 5eaa17651b759c7856a118835802fecbebcf46ad Mon Sep 17 00:00:00 2001
From: Paul Zimmermann <Paul.Zimmermann@inria.fr>
Date: Wed, 4 Oct 2017 22:09:40 +0200
Subject: [PATCH] replace obsolete mpfr_add_one_ulp/mpfr_sub_one_ulp functions

---
 src/mpc-impl.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/mpc-impl.h b/src/mpc-impl.h
index 4026765..5420691 100644
--- a/src/mpc-impl.h
+++ b/src/mpc-impl.h
@@ -60,2 +60,4 @@ along with this program. If not, see http://www.gnu.org/licenses/ .
-#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))
-- 
2.15.1