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/*
* @file
* @brief Test suite for fenv.h methods
*/
/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (C) 2019 Vaibhav Gupta
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 THE COPYRIGHT OWNER 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
/* header files are listed in lexical/lexicographical/alphabetical order */
#include <errno.h>
#include <limits.h>
#include <math.h>
#include <fenv.h> /* contains declarations of fenv methods */
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <rtems/test.h>
#include <tmacros.h>
const char rtems_test_name[] = "PSXFENV 01";
/* forward declarations to avoid warnings */
rtems_task Init(rtems_task_argument ignored);
/* Test Function Begins */
rtems_task Init(rtems_task_argument ignored)
{
double a, b, c;
int r;
fexcept_t excepts;
TEST_BEGIN();
/*
* 'FE_ALL_EXCEPT' will be defined only when 'feclearexcept()',
* 'fegetexceptflag()', 'feraiseexcept()', 'fesetexceptflag()' and
* 'fetestexcept()' functions are supported by the architecture.
* Hence their testcases can be wrapped under #ifdef and #endif.
*/
#ifdef FE_ALL_EXCEPT /* floating-point exceptions */
puts( "fesetenv(FE_DFL_ENV)." );
r = fesetenv(FE_DFL_ENV);
if (r)
printf("fesetenv ==> %d\n", r);
rtems_test_assert( r == 0 );
/* Test 'feclearexcept()' and 'fetestexcept()' in one go. */
puts( "feclearexcept(FE_ALL_EXCEPT)." );
r = feclearexcept(FE_ALL_EXCEPT);
if (r)
printf("feclearexcept ==> 0x%x\n", r);
rtems_test_assert( r == 0 );
r = fetestexcept( FE_ALL_EXCEPT );
if (r)
printf("fetestexcept ==> 0x%x\n", r);
rtems_test_assert( r == 0 );
/* Test 'FE_DIVBYZERO' */
puts( "Divide by zero and confirm fetestexcept()" );
a = 0.0;
b = 1.0;
c = b/a;
(void) c;
fegetexceptflag(&excepts,FE_ALL_EXCEPT);
#ifdef FE_DIVBYZERO
r = feraiseexcept(FE_DIVBYZERO);
rtems_test_assert( fetestexcept( FE_DIVBYZERO ) );
#endif
/* Test 'FE_INEXACT' */
a = 10.0;
c = b/a;
#endif /* floating-point exceptions */
TEST_END();
rtems_test_exit(0);
}
/* NOTICE: the clock driver is explicitly disabled */
#define CONFIGURE_APPLICATION_DOES_NOT_NEED_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_MAXIMUM_TASKS 1
#define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 6
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
/* end of file */
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