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On Wed, Mar 09, 2005 at 05:43:00AM -0800, Lu, Hongjiu wrote: > Do you have a new testcase patch for glibc? Sure. 2005-03-10 Jakub Jelinek <jakub@redhat.com> * math/test-misc.c (main): Add some more tests. --- libc/math/test-misc.c.jj 2005-03-10 06:01:31.000000000 -0500 +++ libc/math/test-misc.c 2005-03-10 06:13:59.000000000 -0500 @@ -1,5 +1,5 @@ /* Miscellaneous tests which don't fit anywhere else. - Copyright (C) 2000, 2001 Free Software Foundation, Inc. + Copyright (C) 2000, 2001, 2004, 2005 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 @@ -1143,5 +1143,45 @@ main (void) } #endif + /* The tests here are very similar to tests earlier in this file, + the important difference is just that there are no intervening + union variables that cause some GCC versions to hide possible + bugs in nextafter* implementation. */ + if (nextafterf (nextafterf (FLT_MIN, FLT_MIN / 2.0), FLT_MIN) != FLT_MIN) + { + puts ("nextafterf FLT_MIN test failed"); + result = 1; + } + if (nextafterf (nextafterf (-FLT_MIN, -FLT_MIN / 2.0), -FLT_MIN) + != -FLT_MIN) + { + puts ("nextafterf -FLT_MIN test failed"); + result = 1; + } + if (nextafter (nextafter (DBL_MIN, DBL_MIN / 2.0), DBL_MIN) != DBL_MIN) + { + puts ("nextafter DBL_MIN test failed"); + result = 1; + } + if (nextafter (nextafter (-DBL_MIN, -DBL_MIN / 2.0), -DBL_MIN) != -DBL_MIN) + { + puts ("nextafter -DBL_MIN test failed"); + result = 1; + } +#ifndef NO_LONG_DOUBLE + if (nextafterl (nextafterl (LDBL_MIN, LDBL_MIN / 2.0), LDBL_MIN) + != LDBL_MIN) + { + puts ("nextafterl LDBL_MIN test failed"); + result = 1; + } + if (nextafterl (nextafterl (-LDBL_MIN, -LDBL_MIN / 2.0), -LDBL_MIN) + != -LDBL_MIN) + { + puts ("nextafterl -LDBL_MIN test failed"); + result = 1; + } +#endif + return result; } Jakub
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