diff options
| -rw-r--r-- | ChangeLog | 3 | ||||
| -rw-r--r-- | math/Makefile | 2 | ||||
| -rw-r--r-- | math/tst-definitions.c | 47 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/bits/mathdef.h | 4 | ||||
| -rw-r--r-- | sysdeps/m68k/fpu/bits/mathdef.h | 2 |
5 files changed, 54 insertions, 4 deletions
@@ -1,5 +1,8 @@ 2000-08-31 Ulrich Drepper <drepper@redhat.com> + * math/Makefile (tests): Add tst-defintions. + * math/tst-definitions.c: New file. + * stdlib/Makefile (headers): Add bits/wchar.h. * sysdeps/unix/sysv/linux/i386/bits/wchar.h: New file. * sysdeps/generic/bits/wchar.h: New file. diff --git a/math/Makefile b/math/Makefile index 86a99e1b03..45df416a1f 100644 --- a/math/Makefile +++ b/math/Makefile @@ -79,7 +79,7 @@ include ../Makeconfig # Rules for the test suite. tests = test-matherr test-fenv atest-exp atest-sincos atest-exp2 basic-test \ - test-misc test-fpucw + test-misc test-fpucw tst-definitions # We do the `long double' tests only if this data type is available and # distinct from `double'. test-longdouble-yes = test-ldouble test-ildoubl diff --git a/math/tst-definitions.c b/math/tst-definitions.c new file mode 100644 index 0000000000..95562759b4 --- /dev/null +++ b/math/tst-definitions.c @@ -0,0 +1,47 @@ +/* Copyright (C) 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2000. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <limits.h> +#include <math.h> +#include <stdio.h> + + +int +main (void) +{ + int result = 0; + + if (FP_ILOGB0 != INT_MIN && FP_ILOGB0 != -INT_MAX) + { + puts ("FP_ILOGB0 has no valid value"); + result = 1; + } + else + puts ("FP_ILOGB0 value is OK"); + + if (FP_ILOGBNAN != INT_MIN && FP_ILOGBNAN != INT_MAX) + { + puts ("FP_ILOBNAN has no valid value"); + result = 1; + } + else + puts ("FP_ILOGBNAN value is OK"); + + return result; +} diff --git a/sysdeps/i386/fpu/bits/mathdef.h b/sysdeps/i386/fpu/bits/mathdef.h index 70429ffa55..31ca7c74e8 100644 --- a/sysdeps/i386/fpu/bits/mathdef.h +++ b/sysdeps/i386/fpu/bits/mathdef.h @@ -38,8 +38,8 @@ typedef long double double_t; /* `double' expressions are evaluated as # define INFINITY HUGE_VALF /* The values returned by `ilogb' for 0 and NaN respectively. */ -# define FP_ILOGB0 (-2147483648) -# define FP_ILOGBNAN (-2147483648) +# define FP_ILOGB0 (-2147483647 - 1) +# define FP_ILOGBNAN (-2147483647 - 1) /* Number of decimal digits for the `long double' type. */ # define DECIMAL_DIG 18 diff --git a/sysdeps/m68k/fpu/bits/mathdef.h b/sysdeps/m68k/fpu/bits/mathdef.h index 7b09882e12..c3365a7ff2 100644 --- a/sysdeps/m68k/fpu/bits/mathdef.h +++ b/sysdeps/m68k/fpu/bits/mathdef.h @@ -38,7 +38,7 @@ typedef long double double_t; /* `double' expressions are evaluated as # define INFINITY HUGE_VALF /* The values returned by `ilogb' for 0 and NaN respectively. */ -# define FP_ILOGB0 (-2147483648) +# define FP_ILOGB0 (-2147483647 - 1) # define FP_ILOGBNAN (2147483647) /* Number of decimal digits for the `long double' type. */ |