/* Test iscanonical and canonicalizel for ldbl-128ibm.

   Copyright (C) 2016-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <float.h>

#include <math.h>

#include <math_ldbl.h>

#include <stdbool.h>

#include <stdio.h>

struct test

{

  double hi, lo;

  bool canonical;

};

static const struct test tests[] =

  {

    { __builtin_nan (""), 0.0, true },

    { __builtin_nan (""), DBL_MAX, true },

    { __builtin_nan (""), __builtin_inf (), true },

    { __builtin_nan (""), __builtin_nan (""), true },

    { __builtin_nan (""), __builtin_nans (""), true },

    { __builtin_nans (""), 0.0, true },

    { __builtin_nans (""), DBL_MAX, true },

    { __builtin_nans (""), __builtin_inf (), true },

    { __builtin_nans (""), __builtin_nan (""), true },

    { __builtin_nans (""), __builtin_nans (""), true },

    { __builtin_inf (), 0.0, true },

    { __builtin_inf (), -0.0, true },

    { -__builtin_inf (), 0.0, true },

    { -__builtin_inf (), -0.0, true },

    { __builtin_inf (), DBL_TRUE_MIN, false },

    { __builtin_inf (), -DBL_TRUE_MIN, false },

    { -__builtin_inf (), DBL_TRUE_MIN, false },

    { -__builtin_inf (), -DBL_TRUE_MIN, false },

    { __builtin_inf (), DBL_MIN, false },

    { __builtin_inf (), -DBL_MIN, false },

    { -__builtin_inf (), DBL_MIN, false },

    { -__builtin_inf (), -DBL_MIN, false },

    { __builtin_inf (), __builtin_inf (), false },

    { __builtin_inf (), -__builtin_inf (), false },

    { -__builtin_inf (), __builtin_inf (), false },

    { -__builtin_inf (), -__builtin_inf (), false },

    { __builtin_inf (), __builtin_nan (""), false },

    { __builtin_inf (), -__builtin_nan (""), false },

    { -__builtin_inf (), __builtin_nan (""), false },

    { -__builtin_inf (), -__builtin_nan (""), false },

    { 0.0, 0.0, true },

    { 0.0, -0.0, true },

    { -0.0, 0.0, true },

    { -0.0, -0.0, true },

    { 0.0, DBL_TRUE_MIN, false },

    { 0.0, -DBL_TRUE_MIN, false },

    { -0.0, DBL_TRUE_MIN, false },

    { -0.0, -DBL_TRUE_MIN, false },

    { 0.0, DBL_MAX, false },

    { 0.0, -DBL_MAX, false },

    { -0.0, DBL_MAX, false },

    { -0.0, -DBL_MAX, false },

    { 0.0, __builtin_inf (), false },

    { 0.0, -__builtin_inf (), false },

    { -0.0, __builtin_inf (), false },

    { -0.0, -__builtin_inf (), false },

    { 0.0, __builtin_nan (""), false },

    { 0.0, -__builtin_nan (""), false },

    { -0.0, __builtin_nan (""), false },

    { -0.0, -__builtin_nan (""), false },

    { 1.0, 0.0, true },

    { 1.0, -0.0, true },

    { -1.0, 0.0, true },

    { -1.0, -0.0, true },

    { 1.0, DBL_TRUE_MIN, true },

    { 1.0, -DBL_TRUE_MIN, true },

    { -1.0, DBL_TRUE_MIN, true },

    { -1.0, -DBL_TRUE_MIN, true },

    { 1.0, DBL_MAX, false },

    { 1.0, -DBL_MAX, false },

    { -1.0, DBL_MAX, false },

    { -1.0, -DBL_MAX, false },

    { 1.0, __builtin_inf (), false },

    { 1.0, -__builtin_inf (), false },

    { -1.0, __builtin_inf (), false },

    { -1.0, -__builtin_inf (), false },

    { 1.0, __builtin_nan (""), false },

    { 1.0, -__builtin_nan (""), false },

    { -1.0, __builtin_nan (""), false },

    { -1.0, -__builtin_nan (""), false },

    { 0x1p1023, 0x1.1p969, true },

    { 0x1p1023, -0x1.1p969, true },

    { -0x1p1023, 0x1.1p969, true },

    { -0x1p1023, -0x1.1p969, true },

    { 0x1p1023, 0x1.1p970, false },

    { 0x1p1023, -0x1.1p970, false },

    { -0x1p1023, 0x1.1p970, false },

    { -0x1p1023, -0x1.1p970, false },

    { 0x1p1023, 0x1p970, true },

    { 0x1p1023, -0x1p970, true },

    { -0x1p1023, 0x1p970, true },

    { -0x1p1023, -0x1p970, true },

    { 0x1.0000000000001p1023, 0x1p970, false },

    { 0x1.0000000000001p1023, -0x1p970, false },

    { -0x1.0000000000001p1023, 0x1p970, false },

    { -0x1.0000000000001p1023, -0x1p970, false },

    { 0x1p-969, 0x1.1p-1023, true },

    { 0x1p-969, -0x1.1p-1023, true },

    { -0x1p-969, 0x1.1p-1023, true },

    { -0x1p-969, -0x1.1p-1023, true },

    { 0x1p-969, 0x1.1p-1022, false },

    { 0x1p-969, -0x1.1p-1022, false },

    { -0x1p-969, 0x1.1p-1022, false },

    { -0x1p-969, -0x1.1p-1022, false },

    { 0x1p-969, 0x1p-1022, true },

    { 0x1p-969, -0x1p-1022, true },

    { -0x1p-969, 0x1p-1022, true },

    { -0x1p-969, -0x1p-1022, true },

    { 0x1.0000000000001p-969, 0x1p-1022, false },

    { 0x1.0000000000001p-969, -0x1p-1022, false },

    { -0x1.0000000000001p-969, 0x1p-1022, false },

    { -0x1.0000000000001p-969, -0x1p-1022, false },

    { 0x1p-970, 0x1.1p-1024, true },

    { 0x1p-970, -0x1.1p-1024, true },

    { -0x1p-970, 0x1.1p-1024, true },

    { -0x1p-970, -0x1.1p-1024, true },

    { 0x1p-970, 0x1.1p-1023, false },

    { 0x1p-970, -0x1.1p-1023, false },

    { -0x1p-970, 0x1.1p-1023, false },

    { -0x1p-970, -0x1.1p-1023, false },

    { 0x1p-970, 0x1p-1023, true },

    { 0x1p-970, -0x1p-1023, true },

    { -0x1p-970, 0x1p-1023, true },

    { -0x1p-970, -0x1p-1023, true },

    { 0x1.0000000000001p-970, 0x1p-1023, false },

    { 0x1.0000000000001p-970, -0x1p-1023, false },

    { -0x1.0000000000001p-970, 0x1p-1023, false },

    { -0x1.0000000000001p-970, -0x1p-1023, false },

    { 0x1p-1000, 0x1.1p-1054, true },

    { 0x1p-1000, -0x1.1p-1054, true },

    { -0x1p-1000, 0x1.1p-1054, true },

    { -0x1p-1000, -0x1.1p-1054, true },

    { 0x1p-1000, 0x1.1p-1053, false },

    { 0x1p-1000, -0x1.1p-1053, false },

    { -0x1p-1000, 0x1.1p-1053, false },

    { -0x1p-1000, -0x1.1p-1053, false },

    { 0x1p-1000, 0x1p-1053, true },

    { 0x1p-1000, -0x1p-1053, true },

    { -0x1p-1000, 0x1p-1053, true },

    { -0x1p-1000, -0x1p-1053, true },

    { 0x1.0000000000001p-1000, 0x1p-1053, false },

    { 0x1.0000000000001p-1000, -0x1p-1053, false },

    { -0x1.0000000000001p-1000, 0x1p-1053, false },

    { -0x1.0000000000001p-1000, -0x1p-1053, false },

    { 0x1p-1021, 0x1p-1074, true },

    { 0x1p-1021, -0x1p-1074, true },

    { -0x1p-1021, 0x1p-1074, true },

    { -0x1p-1021, -0x1p-1074, true },

    { 0x1.0000000000001p-1021, 0x1p-1074, false },

    { 0x1.0000000000001p-1021, -0x1p-1074, false },

    { -0x1.0000000000001p-1021, 0x1p-1074, false },

    { -0x1.0000000000001p-1021, -0x1p-1074, false },

    { 0x1p-1022, 0x1p-1074, false },

    { 0x1p-1022, -0x1p-1074, false },

    { -0x1p-1022, 0x1p-1074, false },

    { -0x1p-1022, -0x1p-1074, false },

  };

static int

do_test (void)

{

  int result = 0;

  for (size_t i = 0; i < sizeof (tests) / sizeof (tests[0]); i++)

    {

      long double ld = ldbl_pack (tests[i].hi, tests[i].lo);

      bool canonical = iscanonical (ld);

      if (canonical == tests[i].canonical)

	{

	  printf ("PASS: iscanonical test %zu\n", i);

	  long double ldc = 12345.0L;

	  bool canonicalize_ret = canonicalizel (&ldc, &ld);

	  if (canonicalize_ret == !canonical)

	    {

	      printf ("PASS: canonicalizel test %zu\n", i);

	      bool canon_ok;

	      if (!canonical)

		canon_ok = ldc == 12345.0L;

	      else if (isnan (ld))

		canon_ok = isnan (ldc) && !issignaling (ldc);

	      else

		canon_ok = ldc == ld;

	      if (canon_ok)

		printf ("PASS: canonicalized value test %zu\n", i);

	      else

		{

		  printf ("FAIL: canonicalized value test %zu\n", i);

		  result = 1;

		}

	    }

	  else

	    {

	      printf ("FAIL: canonicalizel test %zu\n", i);

	      result = 1;

	    }

	}

      else

	{

	  printf ("FAIL: iscanonical test %zu\n", i);

	  result = 1;

	}

    }

  return result;

}

#define TEST_FUNCTION do_test ()

#include "../test-skeleton.c"