diff options
Diffstat (limited to 'src/zpowu.c')
| -rw-r--r-- | src/zpowu.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/zpowu.c b/src/zpowu.c index 9618010..3d58aa4 100644 --- a/src/zpowu.c +++ b/src/zpowu.c @@ -23,10 +23,12 @@ zpowu(z_t a, z_t b, unsigned long long int c) zabs(tb, b); zsetu(a, 1); - for (; c; c >>= 1) { + if (c & 1) + zmul_impl(a, a, tb); + while (c >>= 1) { + zsqr_impl(tb, tb); if (c & 1) zmul_impl(a, a, tb); - zsqr_impl(tb, tb); } if (neg) |