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| author |   jakllsch <jakllsch@NetBSD.org> | 2011-08-30 02:58:04 +0000 |
|---|---|---|
| committer | jakllsch <jakllsch@NetBSD.org> | 2011-08-30 02:58:04 +0000 |
| commit | 8fdb2354b50bedf84e0744346e974d308ded6a1b (patch) | |
| tree | 9b6b7c4ad53e41341d9681e301941931e05e9ce5 /primes | |
| parent | b9729f21ecee00f10aeb911143988ae326aa17b7 (diff) | |
| download | bsdgames-darwin-8fdb2354b50bedf84e0744346e974d308ded6a1b.tar.gz bsdgames-darwin-8fdb2354b50bedf84e0744346e974d308ded6a1b.tar.zst bsdgames-darwin-8fdb2354b50bedf84e0744346e974d308ded6a1b.zip | |
No need to cast double to ubig (aka uintmax_t) through int.
This change prevents a modulo by zero in a invocation such as:
primes 18446744073709551000 18446744073709551615
on a LP64 machine.
Diffstat (limited to 'primes')
| -rw-r--r-- | primes/primes.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/primes/primes.c b/primes/primes.c index c8c6ea58..5952bbf6 100644 --- a/primes/primes.c +++ b/primes/primes.c @@ -1,4 +1,4 @@ -/* $NetBSD: primes.c,v 1.18 2010/05/13 17:52:12 tnozaki Exp $ */ +/* $NetBSD: primes.c,v 1.19 2011/08/30 02:58:04 jakllsch Exp $ */ /* * Copyright (c) 1989, 1993 @@ -42,7 +42,7 @@ __COPYRIGHT("@(#) Copyright (c) 1989, 1993\ #if 0 static char sccsid[] = "@(#)primes.c 8.5 (Berkeley) 5/10/95"; #else -__RCSID("$NetBSD: primes.c,v 1.18 2010/05/13 17:52:12 tnozaki Exp $"); +__RCSID("$NetBSD: primes.c,v 1.19 2011/08/30 02:58:04 jakllsch Exp $"); #endif #endif /* not lint */ @@ -305,11 +305,10 @@ primes(ubig start, ubig stop) /* note highest useful factor and sieve spot */ if (stop-start > TABSIZE+TABSIZE) { tab_lim = &table[TABSIZE]; /* sieve it all */ - fact_lim = (int)sqrt( - (double)(start)+TABSIZE+TABSIZE+1.0); + fact_lim = sqrt((double)(start)+TABSIZE+TABSIZE+1.0); } else { tab_lim = &table[(stop-start)/2]; /* partial sieve */ - fact_lim = (int)sqrt((double)(stop)+1.0); + fact_lim = sqrt((double)(stop)+1.0); } /* sieve for factors >= 17 */ factor = 17; /* 17 is first prime to use */ |