From 76d0af5599554d11f104d582cdac8fbaa8569fcc Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Fri, 4 Mar 2016 23:50:00 +0100 Subject: Clean up, add zerror and zperror, fix bugs and add more tests MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- src/zmodpow.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) (limited to 'src/zmodpow.c') 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; -- cgit v1.2.3-70-g09d2