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-rw-r--r--Build/source/libs/mpfr/mpfr-src/src/acos.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/Build/source/libs/mpfr/mpfr-src/src/acos.c b/Build/source/libs/mpfr/mpfr-src/src/acos.c
index 574727dca0e..7be589aea56 100644
--- a/Build/source/libs/mpfr/mpfr-src/src/acos.c
+++ b/Build/source/libs/mpfr/mpfr-src/src/acos.c
@@ -75,7 +75,7 @@ mpfr_acos (mpfr_ptr acos, mpfr_srcptr x, mpfr_rnd_t rnd_mode)
}
else
{
- if (MPFR_IS_POS_SIGN (sign)) /* acos(+1) = 0 */
+ if (MPFR_IS_POS_SIGN (sign)) /* acos(+1) = +0 */
return mpfr_set_ui (acos, 0, rnd_mode);
else /* acos(-1) = Pi */
return mpfr_const_pi (acos, rnd_mode);