diff options
| -rw-r--r-- | ChangeLog | 8 | ||||
| -rw-r--r-- | math/Makefile | 3 | ||||
| -rw-r--r-- | math/test-fp-ilogb-constants.c | 40 | ||||
| -rw-r--r-- | sysdeps/sh/sh4/bits/mathdef.h | 2 |
4 files changed, 51 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog index 3063bd06af..b6fc831959 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,11 @@ +2016-11-23 Joseph Myers <joseph@codesourcery.com> + + [BZ #20859] + * sysdeps/sh/sh4/bits/mathdef.h (FP_ILOGB0): Define to + (-0x7fffffff) instead of 0x80000001. + * math/test-fp-ilogb-constants.c: New file. + * math/Makefile (tests): Add test-fp-ilogb-constants. + 2016-11-23 Maciej W. Rozycki <macro@imgtec.com> * sysdeps/mips/mips32/crti.S (JALR_RELOC): New macro. diff --git a/math/Makefile b/math/Makefile index fe910ef6c0..e84f86ae2e 100644 --- a/math/Makefile +++ b/math/Makefile @@ -158,7 +158,8 @@ tests = test-matherr test-fenv atest-exp atest-sincos atest-exp2 basic-test \ test-fexcept test-fexcept-traps test-fesetexcept \ test-fesetexcept-traps test-fetestexceptflag test-femode \ test-femode-traps test-iszero-excess-precision \ - test-iseqsig-excess-precision test-flt-eval-method $(tests-static) + test-iseqsig-excess-precision test-flt-eval-method \ + test-fp-ilogb-constants $(tests-static) tests-static = test-fpucw-static test-fpucw-ieee-static \ test-signgam-uchar-static test-signgam-uchar-init-static \ test-signgam-uint-static test-signgam-uint-init-static \ diff --git a/math/test-fp-ilogb-constants.c b/math/test-fp-ilogb-constants.c new file mode 100644 index 0000000000..eaa9cc1a02 --- /dev/null +++ b/math/test-fp-ilogb-constants.c @@ -0,0 +1,40 @@ +/* Test requirements on FP_ILOGB* constants. + Copyright (C) 2016 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 <limits.h> +#include <math.h> + +#if FP_ILOGB0 >= 0 +# error "FP_ILOGB0 is positive" +#endif + +#if FP_ILOGB0 != INT_MIN && FP_ILOGB0 != -INT_MAX +# error "FP_ILOGB0 must be INT_MIN or -INT_MAX" +#endif + +#if FP_ILOGBNAN >= 0 && FP_ILOGBNAN != INT_MAX +# error "FP_ILOGBNAN must be INT_MIN or INT_MAX" +#endif + +#if FP_ILOGBNAN < 0 && FP_ILOGBNAN != INT_MIN +# error "FP_ILOGBNAN must be INT_MIN or INT_MAX" +#endif + +/* This is a compilation test. */ +#define TEST_FUNCTION 0 +#include "../test-skeleton.c" diff --git a/sysdeps/sh/sh4/bits/mathdef.h b/sysdeps/sh/sh4/bits/mathdef.h index 90dbebb3fa..21ce094533 100644 --- a/sysdeps/sh/sh4/bits/mathdef.h +++ b/sysdeps/sh/sh4/bits/mathdef.h @@ -34,7 +34,7 @@ typedef float float_t; typedef double double_t; /* The values returned by `ilogb' for 0 and NaN respectively. */ -# define FP_ILOGB0 0x80000001 +# define FP_ILOGB0 (-0x7fffffff) # define FP_ILOGBNAN 0x7fffffff #endif /* ISO C99 */ |