c3-lang/libtommath

diff --git a/bn_mp_get_double.c b/bn_mp_get_double.c
index ea78b9f..a192fb1 100644
--- a/bn_mp_get_double.c
+++ b/bn_mp_get_double.c
@@ -23,7 +23,7 @@ double mp_get_double(const mp_int *a)
    for (i = USED(a); i --> 0;) {
       d = d * fac + (double)DIGIT(a, i);
    }
-   return mp_isneg(a) ? -d : d;
+   return (mp_isneg(a) != MP_NO) ? -d : d;
 }
 #endif
 
diff --git a/bn_mp_set_double.c b/bn_mp_set_double.c
index 0a5f771..6b847a5 100644
--- a/bn_mp_set_double.c
+++ b/bn_mp_set_double.c
@@ -38,7 +38,7 @@ int mp_set_double(mp_int *a, double d)
    }
 
    res = exp < 0 ? mp_div_2d(a, -exp, a, 0) : mp_mul_2d(a, exp, a);
-   if ((cast.bits >> 63) && !mp_iszero(a)) {
+   if (((cast.bits >> 63) != 0ULL) && (mp_iszero(a) == MP_NO)) {
       SIGN(a) = MP_NEG;
    }