diff options
Diffstat (limited to 'src/zmodpow.c')
| -rw-r--r-- | src/zmodpow.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/src/zmodpow.c b/src/zmodpow.c index 884e9ff..6cb50d2 100644 --- a/src/zmodpow.c +++ b/src/zmodpow.c @@ -14,21 +14,19 @@ zmodpow(z_t a, z_t b, z_t c, z_t d) if (zsignum(c) <= 0) { if (zzero(c)) { - if (zzero(b)) { - errno = EDOM; /* Indeterminate form: 0:th power of 0 */ - FAILURE_JUMP(); - } + if (zzero(b)) + FAILURE(EDOM); /* Indeterminate form: 0:th power of 0 */ + else if (zzero(d)) + FAILURE(EDOM); /* Undefined form: Division by 0 */ zsetu(a, 1); } else if (zzero(b) || zzero(d)) { - errno = EDOM; /* Undefined form: Division by 0 */ - FAILURE_JUMP(); + FAILURE(EDOM); /* Undefined form: Division by 0 */ } else { SET_SIGNUM(a, 0); } return; } else if (zzero(d)) { - errno = EDOM; /* Undefined form: Division by 0 */ - FAILURE_JUMP(); + FAILURE(EDOM); /* Undefined form: Division by 0 */ } else if (zzero(b)) { SET_SIGNUM(a, 0); return; |