diff options
Diffstat (limited to 'regress/lib/libc_r/preemption_float/preemption_float.c')
| -rw-r--r-- | regress/lib/libc_r/preemption_float/preemption_float.c | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/regress/lib/libc_r/preemption_float/preemption_float.c b/regress/lib/libc_r/preemption_float/preemption_float.c deleted file mode 100644 index b91ca4b8c71..00000000000 --- a/regress/lib/libc_r/preemption_float/preemption_float.c +++ /dev/null @@ -1,136 +0,0 @@ -/* $OpenBSD: preemption_float.c,v 1.2 2002/06/23 20:21:22 marc Exp $ */ -/* - * Copyright (c) 1993, 1994, 1995, 1996 by Chris Provenzano and contributors, - * proven@mit.edu All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Chris Provenzano, - * the University of California, Berkeley, and contributors. - * 4. Neither the name of Chris Provenzano, the University, nor the names of - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL CHRIS PROVENZANO, THE REGENTS OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; - * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR - * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF - * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/* Test to see if floating point state is being properly maintained - for each thread. Different threads doing floating point operations - simultaneously should not interfere with one another. This - includes operations that might change some FPU flags, such as - rounding modes, at least implicitly. */ - -#include <pthread.h> -#include <math.h> -#include <stdio.h> -#include "test.h" - -int limit = 2; -int float_passed = 0; -int float_failed = 1; - -void *log_loop (void *x) { - int i; - double d, d1, d2; - /* sleep (1); */ - for (i = 0; i < limit; i++) { - d = 42.0; - d = log (exp (d)); - d = (d + 39.0) / d; - if (i == 0) - d1 = d; - else { - d2 = d; - d = sin(d); - /* if (d2 != d1) { */ - if (memcmp (&d2, &d1, 8)) { - pthread_exit(&float_failed); - } - } - } - pthread_exit(&float_passed); -} - -void *trig_loop (void *x) { - int i; - double d, d1, d2; - /* sleep (1); */ - for (i = 0; i < limit; i++) { - d = 35.0; - d *= M_PI; - d /= M_LN2; - d = sin (d); - d = cos (1 / d); - if (i == 0) - d1 = d; - else { - d2 = d; - d = sin(d); - /* if (d2 != d1) { */ - if (memcmp (&d2, &d1, 8)) { - pthread_exit(&float_failed); - } - } - } - pthread_exit(&float_passed); -} - -int -floatloop(void) -{ - pthread_t thread[2]; - int *x, *y; - - CHECKr(pthread_create (&thread[0], NULL, trig_loop, NULL)); - CHECKr(pthread_create (&thread[1], NULL, log_loop, NULL)); - CHECKr(pthread_join(thread[0], (void **) &x)); - CHECKr(pthread_join(thread[1], (void **) &y)); - - /* Return 0 for success */ - return ((*y == float_failed)?2:0) | - ((*x == float_failed)?1:0); -} - -int -main() -{ - pthread_t thread; - int *result; - - /* single active thread, trig test */ - for(limit = 2; limit < 100000; limit *=4) { - CHECKr(pthread_create (&thread, NULL, trig_loop, NULL)); - CHECKr(pthread_join(thread, (void **) &result)); - ASSERT(*result == 0); - } - - /* single active thread, log test */ - for(limit = 2; limit < 100000; limit *=4) { - CHECKr(pthread_create (&thread, NULL, log_loop, NULL)); - CHECKr(pthread_join(thread, (void **) &result)); - ASSERT(*result == 0); - } - - /* run both threads concurrently using a higher limit */ - limit *= 4; - ASSERT(floatloop() == 0); - SUCCEED; -} |