Blame sysdeps/ieee754/ldbl-96/test-totalorderl-ldbl-96.c

Packit 6c4009
/* Test totalorderl and totalordermagl for ldbl-96.
Packit 6c4009
   Copyright (C) 2016-2018 Free Software Foundation, Inc.
Packit 6c4009
   This file is part of the GNU C Library.
Packit 6c4009
Packit 6c4009
   The GNU C Library is free software; you can redistribute it and/or
Packit 6c4009
   modify it under the terms of the GNU Lesser General Public
Packit 6c4009
   License as published by the Free Software Foundation; either
Packit 6c4009
   version 2.1 of the License, or (at your option) any later version.
Packit 6c4009
Packit 6c4009
   The GNU C Library is distributed in the hope that it will be useful,
Packit 6c4009
   but WITHOUT ANY WARRANTY; without even the implied warranty of
Packit 6c4009
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Packit 6c4009
   Lesser General Public License for more details.
Packit 6c4009
Packit 6c4009
   You should have received a copy of the GNU Lesser General Public
Packit 6c4009
   License along with the GNU C Library; if not, see
Packit 6c4009
   <http://www.gnu.org/licenses/>.  */
Packit 6c4009
Packit 6c4009
#include <float.h>
Packit 6c4009
#include <math.h>
Packit 6c4009
#include <math_ldbl.h>
Packit 6c4009
#include <stdbool.h>
Packit 6c4009
#include <stdint.h>
Packit 6c4009
#include <stdio.h>
Packit 6c4009
Packit 6c4009
static const uint64_t tests[] =
Packit 6c4009
  {
Packit 6c4009
    0, 1, 0x4000000000000000ULL, 0x4000000000000001ULL,
Packit 6c4009
    0x7fffffffffffffffULL
Packit 6c4009
  };
Packit 6c4009
Packit 6c4009
static int
Packit 6c4009
do_test (void)
Packit 6c4009
{
Packit 6c4009
  int result = 0;
Packit 6c4009
Packit 6c4009
  if (LDBL_MIN_EXP == -16382)
Packit 6c4009
    for (size_t i = 0; i < sizeof (tests) / sizeof (tests[0]); i++)
Packit 6c4009
      {
Packit 6c4009
	long double ldx, ldy, ldnx, ldny;
Packit 6c4009
	/* Verify that the high bit of the mantissa is ignored for
Packit 6c4009
	   infinities and NaNs for the M68K variant of this
Packit 6c4009
	   format.  */
Packit 6c4009
	SET_LDOUBLE_WORDS (ldx, 0x7fff,
Packit 6c4009
			   tests[i] >> 32, tests[i] & 0xffffffffULL);
Packit 6c4009
	SET_LDOUBLE_WORDS (ldy, 0x7fff,
Packit 6c4009
			   (tests[i] >> 32) | 0x80000000,
Packit 6c4009
			   tests[i] & 0xffffffffULL);
Packit 6c4009
	SET_LDOUBLE_WORDS (ldnx, 0xffff,
Packit 6c4009
			   tests[i] >> 32, tests[i] & 0xffffffffULL);
Packit 6c4009
	SET_LDOUBLE_WORDS (ldny, 0xffff,
Packit 6c4009
			   (tests[i] >> 32) | 0x80000000,
Packit 6c4009
			   tests[i] & 0xffffffffULL);
Packit 6c4009
	bool to1 = totalorderl (ldx, ldy);
Packit 6c4009
	bool to2 = totalorderl (ldy, ldx);
Packit 6c4009
	bool to3 = totalorderl (ldnx, ldny);
Packit 6c4009
	bool to4 = totalorderl (ldny, ldnx);
Packit 6c4009
	if (to1 && to2 && to3 && to4)
Packit 6c4009
	  printf ("PASS: test %zu\n", i);
Packit 6c4009
	else
Packit 6c4009
	  {
Packit 6c4009
	    printf ("FAIL: test %zu\n", i);
Packit 6c4009
	    result = 1;
Packit 6c4009
	  }
Packit 6c4009
	to1 = totalordermagl (ldx, ldy);
Packit 6c4009
	to2 = totalordermagl (ldy, ldx);
Packit 6c4009
	to3 = totalordermagl (ldnx, ldny);
Packit 6c4009
	to4 = totalordermagl (ldny, ldnx);
Packit 6c4009
	if (to1 && to2 && to3 && to4)
Packit 6c4009
	  printf ("PASS: test %zu (totalordermagl)\n", i);
Packit 6c4009
	else
Packit 6c4009
	  {
Packit 6c4009
	    printf ("FAIL: test %zu (totalordermagl)\n", i);
Packit 6c4009
	    result = 1;
Packit 6c4009
	  }
Packit 6c4009
      }
Packit 6c4009
Packit 6c4009
  return result;
Packit 6c4009
}
Packit 6c4009
Packit 6c4009
#define TEST_FUNCTION do_test ()
Packit 6c4009
#include "../test-skeleton.c"