diff options
Diffstat (limited to 'regress/lib/libc/ieeefp')
| -rw-r--r-- | regress/lib/libc/ieeefp/except/except.c | 56 |
1 files changed, 29 insertions, 27 deletions
diff --git a/regress/lib/libc/ieeefp/except/except.c b/regress/lib/libc/ieeefp/except/except.c index 1d118777775..0f25cadefc9 100644 --- a/regress/lib/libc/ieeefp/except/except.c +++ b/regress/lib/libc/ieeefp/except/except.c @@ -1,4 +1,4 @@ -/* $OpenBSD: except.c,v 1.10 2006/05/15 14:00:22 kettenis Exp $ */ +/* $OpenBSD: except.c,v 1.11 2007/10/22 21:07:10 miod Exp $ */ #include <sys/types.h> #include <unistd.h> @@ -55,42 +55,44 @@ main(int argc, char *argv[]) sigaction(SIGFPE, &sa, NULL); signal_status = 1; - /* trip divide by zero */ - x = one / zero; - assert(fpgetsticky() & FP_X_DZ); - fpsetsticky(0); - - /* trip invalid operation */ - x = zero / zero; - assert(fpgetsticky() & FP_X_INV); - fpsetsticky(0); - - /* trip overflow */ - x = huge * huge; - assert(fpgetsticky() & FP_X_OFL); - fpsetsticky(0); - - /* trip underflow */ - x = tiny * tiny; - assert(fpgetsticky() & FP_X_UFL); - fpsetsticky(0); - - signal_status = 0; - if (strcmp(argv[1], "fltdiv") == 0) { - /* unmask and then trip divide by zero */ + /* trip divide by zero */ + x = one / zero; + assert(fpgetsticky() & FP_X_DZ); + fpsetsticky(0); + + /* and now unmask to get a signal */ + signal_status = 0; fpsetmask(FP_X_DZ); x = one / zero; } else if (strcmp(argv[1], "fltinv") == 0) { - /* unmask and then trip invalid operation */ + /* trip invalid operation */ + x = zero / zero; + assert(fpgetsticky() & FP_X_INV); + fpsetsticky(0); + + /* and now unmask to get a signal */ + signal_status = 0; fpsetmask(FP_X_INV); x = zero / zero; } else if (strcmp(argv[1], "fltovf") == 0) { - /* unmask and then trip overflow */ + /* trip overflow */ + x = huge * huge; + assert(fpgetsticky() & FP_X_OFL); + fpsetsticky(0); + + /* and now unmask to get a signal */ + signal_status = 0; fpsetmask(FP_X_OFL); x = huge * huge; } else if (strcmp(argv[1], "fltund") == 0) { - /* unmask and then trip underflow */ + /* trip underflow */ + x = tiny * tiny; + assert(fpgetsticky() & FP_X_UFL); + fpsetsticky(0); + + /* and now unmask to get a signal */ + signal_status = 0; fpsetmask(FP_X_UFL); x = tiny * tiny; } else { |