Paul's workaround from #22799

sagemath · May 18, 2017 · 66973af · 66973af
1 parent df03447
commit 66973af
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/build/pkgs/mpfr/patches/clang_workaround.patch b/build/pkgs/mpfr/patches/clang_workaround.patch
@@ -0,0 +1,13 @@
+diff --git a/src/set_d.c b/src/set_d.c
+index c076ccf..0b71cff 100644
+--- a/src/set_d.c
++++ b/src/set_d.c
+@@ -118,7 +118,7 @@ __gmpfr_extract_double (mpfr_limb_ptr rp, double d)
+
+     d *= MP_BASE_AS_DOUBLE;
+ #if GMP_NUMB_BITS >= 64
+-    manl = d;
++    manl = 0x8000000000000000 + (mp_limb_t) (d - 9223372036854775808.0);
+ #else
+     manh = (mp_limb_t) d;
+     manl = (mp_limb_t) ((d - manh) * MP_BASE_AS_DOUBLE);