/* Test lgamma functions set signgam for -ffinite-math-only (bug 19211).

   Copyright (C) 2015-2018 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 <math.h>

#include <stdio.h>

#define RUN_TESTS(FUNC, TYPE)					\

  do								\

    {								\

      volatile TYPE a, b, c __attribute__ ((unused));		\

      a = 0.5;							\

      b = -0.5;							\

      signgam = 123;						\

      c = FUNC (a);						\

      if (signgam == 1)						\

	puts ("PASS: " #FUNC " (0.5) setting signgam");		\

      else							\

	{							\

	  puts ("FAIL: " #FUNC " (0.5) setting signgam");	\

	  result = 1;						\

	}							\

      signgam = 123;						\

      c = FUNC (b);						\

      if (signgam == -1)					\

	puts ("PASS: " #FUNC " (-0.5) setting signgam");	\

      else							\

	{							\

	  puts ("FAIL: " #FUNC " (-0.5) setting signgam");	\

	  result = 1;						\

	}							\

    }								\

  while (0)

static int

do_test (void)

{

  int result = 0;

  RUN_TESTS (lgammaf, float);

  RUN_TESTS (gammaf, float);

  RUN_TESTS (lgamma, double);

  RUN_TESTS (gamma, double);

  RUN_TESTS (lgammal, long double);

  RUN_TESTS (gammal, long double);

  return result;

}

#define TEST_FUNCTION do_test ()

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