diff options
author | Martynas Venckus <martynas@cvs.openbsd.org> | 2011-04-17 10:33:10 +0000 |
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committer | Martynas Venckus <martynas@cvs.openbsd.org> | 2011-04-17 10:33:10 +0000 |
commit | 80ed1b0ffadb94149d6de2a973c62ee1194b6ac2 (patch) | |
tree | 90078daf801c82406dd7b163eba27e4902f91fdd | |
parent | c7a9be41271a39b56a2bfc7b59a56ea219493c15 (diff) |
Add tests for {,l,ll}round{,f}. Same tests as for {,l,ll}rint{,f},
except doesn't test rounding modes. Fix pending.
Build it with -fno-builtin if you want to test the library
functionality--otherwise GCC4 will decide to use its builtins on
some platforms.
-rw-r--r-- | regress/lib/libm/round/Makefile | 7 | ||||
-rw-r--r-- | regress/lib/libm/round/round.c | 60 |
2 files changed, 67 insertions, 0 deletions
diff --git a/regress/lib/libm/round/Makefile b/regress/lib/libm/round/Makefile new file mode 100644 index 00000000000..c2913456f16 --- /dev/null +++ b/regress/lib/libm/round/Makefile @@ -0,0 +1,7 @@ +# $OpenBSD: Makefile,v 1.1 2011/04/17 10:33:09 martynas Exp $ + +PROG=round +LDADD=-lm +DPADD=${LIBM} + +.include <bsd.regress.mk> diff --git a/regress/lib/libm/round/round.c b/regress/lib/libm/round/round.c new file mode 100644 index 00000000000..ebc6f9311ee --- /dev/null +++ b/regress/lib/libm/round/round.c @@ -0,0 +1,60 @@ +/* $OpenBSD: round.c,v 1.1 2011/04/17 10:33:09 martynas Exp $ */ + +/* Written by Michael Shalayeff, 2003, Public domain. */ + +#include <assert.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <signal.h> +#include <unistd.h> +#include <math.h> +#include <ieeefp.h> + +static void +sigfpe(int sig, siginfo_t *si, void *v) +{ + char buf[132]; + + if (si) { + snprintf(buf, sizeof(buf), "sigfpe: addr=%p, code=%d\n", + si->si_addr, si->si_code); + write(1, buf, strlen(buf)); + } + _exit(1); +} + +int +main(int argc, char *argv[]) +{ + struct sigaction sa; + + memset(&sa, 0, sizeof(sa)); + sa.sa_sigaction = sigfpe; + sa.sa_flags = SA_SIGINFO; + sigaction(SIGFPE, &sa, NULL); + + assert(round(8.6) == 9.); + assert(roundf(8.6F) == 9); + assert(lround(8.6) == 9L); + assert(lroundf(8.6F) == 9L); + assert(llround(8.6) == 9LL); + assert(llroundf(8.6F) == 9LL); + + assert(lround(0.0) == 0L); + assert(lroundf(0.0) == 0L); + assert(lround(-0.0) == 0L); + assert(lroundf(-0.0) == 0L); + + assert(llround(4503599627370496.0) == 4503599627370496LL); + assert(llroundf(4503599627370496.0F) == 4503599627370496LL); + assert(llround(-4503599627370496.0) == -4503599627370496LL); + assert(llroundf(-4503599627370496.0F) == -4503599627370496LL); + + assert(llround(0x7ffffffffffffc00.0p0) == 0x7ffffffffffffc00LL); + assert(llroundf(0x7fffff8000000000.0p0F) == 0x7fffff8000000000LL); + assert(llround(-0x8000000000000000.0p0) == -0x8000000000000000LL); + assert(llroundf(-0x8000000000000000.0p0F) == -0x8000000000000000LL); + + exit(0); +} |