diff options
-rw-r--r-- | Objects/intobject.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/Objects/intobject.c b/Objects/intobject.c index e1ad157..6264920 100644 --- a/Objects/intobject.c +++ b/Objects/intobject.c @@ -342,7 +342,7 @@ int_mul(v, w) b = -b; if (b < 0) { /* Largest negative */ - if (a == 0 || a == 1 && s == 1) { + if (a == 0 || (a == 1 && s == 1)) { x = a*b; goto ok; } @@ -427,7 +427,7 @@ i_divmod(x, y, p_xdivy, p_xmody) xdivy = xi / yi; } xmody = xi - xdivy*yi; - if (xmody < 0 && yi > 0 || xmody > 0 && yi < 0) { + if ((xmody < 0 && yi > 0) || (xmody > 0 && yi < 0)) { xmody += yi; xdivy -= 1; } @@ -476,8 +476,7 @@ int_pow(v, w, z) intobject *z; { #if 1 - register long iv, iw, iz, ix, temp, prev; - int zset = 0; + register long iv, iw, iz=0, ix, temp, prev; iv = v->ob_ival; iw = w->ob_ival; if (iw < 0) { @@ -486,7 +485,10 @@ int_pow(v, w, z) } if ((object *)z != None) { iz = z->ob_ival; - zset = 1; + if (iz == 0) { + err_setstr(ValueError, "pow(x, y, z) with z==0"); + return NULL; + } } /* * XXX: The original exponentiation code stopped looping @@ -513,13 +515,13 @@ int_pow(v, w, z) temp *= temp; /* Square the value of temp */ if (prev!=0 && temp/prev!=prev) return err_ovf("integer pow()"); - if (zset) { + if (iz) { /* If we did a multiplication, perform a modulo */ ix = ix % iz; temp = temp % iz; } } - if (zset) { + if (iz) { object *t1, *t2; long int div, mod; t1=newintobject(ix); |