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update from main archive 970304
1997-03-04 04:31 Ulrich Drepper <drepper@cygnus.com> * Makerules: Add rules to handle versioning. * config.h.in (DO_VERSIONING): New macro. * config.make.in (versioning): New variable. * configure.in: Add checks for .symver directive in gas and --version-script option to ld. Define DO_VERSIONING and versioning if appropriate. * math/Makefile (routines): Add s_signbit, s_fpclassify, s_fmax, s_fmin, and s_fdim. * math/math.h: Define ISO C 9X constants, macros and functions. * math/mathcalls.h: Likewise. * sysdeps/libm-ieee754/s_fdim.c: New file. * sysdeps/libm-ieee754/s_fdimf.c: New file. * sysdeps/libm-ieee754/s_fdiml.c: New file. * sysdeps/libm-ieee754/s_fmax.c: New file. * sysdeps/libm-ieee754/s_fmaxf.c: New file. * sysdeps/libm-ieee754/s_fmaxl.c: New file. * sysdeps/libm-ieee754/s_fmin.c: New file. * sysdeps/libm-ieee754/s_fminf.c: New file. * sysdeps/libm-ieee754/s_fminl.c: New file. * sysdeps/libm-ieee754/s_fpclassify.c: New file. * sysdeps/libm-ieee754/s_fpclassifyf.c: New file. * sysdeps/libm-ieee754/s_fpclassifyl.c: New file. * sysdeps/libm-ieee754/s_signbit.c: New file. * sysdeps/libm-ieee754/s_signbitf.c: New file. * sysdeps/libm-ieee754/s_signbitl.c: New file. * stdio-common/printf_fphex.c: Correct printing of decimal point character. Simplify conversion of mantissa to string. * stdio-common/vfscanf.c: Handle %A format. Optimize termination of floating-point scanning. * stdio-common/tstscanf.c (main): Add new test to scanf to test scanning float values with given width. * stdlib/strtod.c: Add handling of floating-point numbers in hexadecimal notation. * stdlib/stdlib.h: Use __USE_ISOC9X feature macro for new long long functions. Pretty print #if directives. * string/string.h: Pretty print #if directives. * sysdeps/ieee754/dbl2mpn.c: Update copyright. * sysdeps/ieee754/ldbl2mpn.c: Likewise. * sysdeps/ieee754/mpn2dbl.c: Likewise. * sysdeps/ieee754/mpn2flt.c: Likewise. * sysdeps/ieee754/mpn2ldbl.c: Likewise. * sysdeps/unix/sysv/linux/poll.c: Implement poll function by falling back to select-based implementation if syscall isn't available. * sysdeps/unix/sysv/linux/syscalls.list: Add s_poll. * time/leapseconds: Update from tzdata1997b. * time/zic.c: Update from tzcode1997b. 1997-03-01 15:08 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * time/Makefile $(tzfiles:%=$(objpfx)z.%): Remove unneeded depedencies between installed $(tzlinks) and $(tzbases) files. 1997-03-01 14:27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * math/math.h: Make compatible with traditional preprocessor; requires carefull placement of whitespace in macro arguments. Use __CONCAT instead of ##. Declare long double functions only if __STDC__ or __GNUC__. * math/mathcall.h: Avoid whitespace before argument of macro call that is used as function name. * sysdeps/m68k/fpu/__math.h: Use __CONCAT instead of ##. (__m81_u, __m81_inline): Depend on __LIBC_M81_MATH_INLINES instead of __NO_M81_MATH_INLINES. [!__LIBC_M81_MATH_INLINES]: Don't define internal functions starting with __ieee754. [!__NO_MATH_INLINES && __OPTIMIZE__]: Define user visible functions as inlines. (__m81_defun): Put __attribute__ between return type and function name. * math/math.h: Include <__math.h> also if __LIBC_M81_MATH_INLINES is defined. * sysdeps/m68k/fpu/e_acos.c: Define __LIBC_M81_MATH_INLINES instead of __NO_M81_MATH_INLINES. * sysdeps/m68k/fpu/e_fmod.c: Likewise. * sysdeps/m68k/fpu/k_cos.c: Likewise. * sysdeps/m68k/fpu/k_sin.c: Likewise. * sysdeps/m68k/fpu/k_tan.c: Likewise. * sysdeps/m68k/fpu/s_atan.c: Likewise. De-ANSI-declify. * sysdeps/m68k/fpu/s_frexp.c: Likewise. * sysdeps/m68k/fpu/s_ilogb.c: Likewise. * sysdeps/m68k/fpu/s_isinf.c: Likewise. * sysdeps/m68k/fpu/s_modf.c: Likewise. * sysdeps/m68k/fpu/s_scalbn.c: Likewise. 1997-02-27 21:51 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * Makefile (tests): Cope with $PATH not including the current directory. 1997-02-27 18:04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/Makefile ($(common-objpfx)mk-local_lim): Use $(common-objdir-compile). ($(common-objpfx)make-ioctls): Likewise. (mk-local_lim-CFLAGS): Set this instead of local_lim-CFLAGS. ($(common-objpfx)sys/param.h): Use $(make-target-directory). ($(addprefix $(common-objpfx),$(sys/param.h-includes))): Likewise. ($(common-objpfx)sys/syscall.h): Likewise. ($(common-objpfx)local_lim.h): Let make deal with command failure. ($(common-objpfx)param.h.dep): Use temporary file and update target atomically. ($(common-objpfx)errnos): Avoid the Useless Use of cat Award. (include $(common-objpfx)param.h.dep): Ignore error. * sysdeps/posix/Makefile ($(common-objpfx)mk-stdiolim): Use $(common-objdir-compile). (mk-stdiolim-CFLAGS): Renamed from cded-objdir-includes, use $(shell pwd) instead of $$cwd. * sysdeps/generic/Makefile ($(common-objpfx)det_endian): Use $(common-objdir-compile). ($(objpfx)make_siglist): Use $(native-compile). (make_siglist-CFLAGS): New variable. * Makerules (ALL_BUILD_CFLAGS): Renamed from BUILD_CFLAGS, leaving the old name for the user to pass additional flags to the host compiler. Fix reference to config header. (native-compile, common-objdir-compile): Rewritten to make more generally usable. * sysdeps/unix/sysv/sysv4/solaris2/Makefile: Set ALL_BUILD_CFLAGS instead of BUILD_CFLAGS. * sysvips/sys/ipc.h: Warn if needed feature select macro are not defined. 1997-02-27 17:11 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sunrpc/Makefile ($(objpfx)rpc-proto.d, $(objpfx)rpc-proto.c): New rules to generate dependencies for the RPC service objects. 1997-02-27 16:26 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * argp/argp-parse.c (parser_finalize): Always set *END_INDEX if supplied. 1997-02-28 03:27 Ulrich Drepper <drepper@cygnus.com> * stdlib/strtod.c (STRTOF): Make sure return value is large enough so that clearing second word is necessary. * sysdeps/unix/sysv/linux/netinet/in_systm.h: Don't use kernel header since it is wrong for 64 bit systems. Patch by a sun <asun@zoology.washington.edu>. 1997-02-27 10:34:11 Richard Henderson <rth@tamu.edu> * sysdeps/unix/sysv/linux/alpha/brk.S: Support both the Linux/i386 and OSF/1 style brk syscalls. We may want to change Linux/Alpha for the benefit of running foreign binaries. 1997-03-01 20:21 Miles Bader <miles@gnu.ai.mit.edu> 1997-02-25 19:42 Miles Bader <miles@gnu.ai.mit.edu>
This commit is contained in:
Ulrich Drepper
116
math/math.h
116
math/math.h
@ -44,20 +44,20 @@ __BEGIN_DECLS
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and can declare the float versions `namef' and `__namef'. */
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#define __MATHCALL(function,suffix, args) \
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__MATHDECL (_Mdouble_, function,suffix, args)
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__MATHDECL (_Mdouble_,function,suffix, args)
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#define __MATHDECL(type, function,suffix, args) \
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__MATHDECL_1(type, function,suffix, args); \
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__MATHDECL_1(type, __##function,suffix, args)
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__MATHDECL_1(type, __CONCAT(__,function),suffix, args)
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#define __MATHDECL_1(type, function,suffix, args) \
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extern type __MATH_PRECNAME(function,suffix) args
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#define _Mdouble_ double
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#define __MATH_PRECNAME(name,r) name##r
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#define __MATH_PRECNAME(name,r) __CONCAT(name,r)
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#include <mathcalls.h>
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#undef _Mdouble_
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#undef __MATH_PRECNAME
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#ifdef __USE_MISC
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#if defined __USE_MISC || defined __USE_ISOC9X
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/* Include the file of declarations again, this time using `float'
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@ -67,11 +67,16 @@ __BEGIN_DECLS
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#define _Mfloat_ float
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#endif
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#define _Mdouble_ _Mfloat_
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#ifdef __STDC__
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#define __MATH_PRECNAME(name,r) name##f##r
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#else
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#define __MATH_PRECNAME(name,r) name/**/f/**/r
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#endif
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#include <mathcalls.h>
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#undef _Mdouble_
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#undef __MATH_PRECNAME
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#if __STDC__ - 0 || __GNUC__ - 0
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/* Include the file of declarations again, this time using `long double'
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instead of `double' and appending l to each function name. */
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@ -79,13 +84,103 @@ __BEGIN_DECLS
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#define _Mlong_double_ long double
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#endif
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#define _Mdouble_ _Mlong_double_
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#ifdef __STDC__
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#define __MATH_PRECNAME(name,r) name##l##r
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#else
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#define __MATH_PRECNAME(name,r) name/**/l/**/r
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#endif
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#include <mathcalls.h>
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#undef _Mdouble_
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#undef __MATH_PRECNAME
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#endif /* Use misc. */
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#endif /* __STDC__ || __GNUC__ */
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#endif /* Use misc or ISO C 9X. */
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/* ISO C 9X defines some generic macros which work on any data type. */
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#if __USE_ISOC9X
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/* All floating-point numbers can be put in one of these categories. */
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enum
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{
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FP_NAN,
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#define FP_NAN FP_NAN
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FP_INFINITE,
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#define FP_INFINITE FP_INFINITE
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FP_ZERO,
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#define FP_ZERO FP_ZERO
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FP_SUBNORMAL,
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#define FP_SUBNORMAL FP_SUBNORMAL
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FP_NORMAL
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#define FP_NORMAL FP_NORMAL
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};
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/* Return number of classification appropriate for X. */
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#define fpclassify(x) \
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(sizeof (x) == sizeof (float) ? \
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__finitef (x) \
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: sizeof (x) == sizeof (double) ? \
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__finite (x) : __finitel (x))
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/* Return nonzero value if sign of X is negative. */
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#define signbit(x) \
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(sizeof (x) == sizeof (float) ? \
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__signbitf (x) \
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: sizeof (x) == sizeof (double) ? \
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__signbit (x) : __signbitl (x))
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/* Return nonzero value if X is not +-Inf or NaN. */
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#define isfinite(x) (fpclassify (x) >= FP_ZERO)
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/* Return nonzero value if X is neither zero, subnormal, Inf, nor NaN. */
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#define isnormal(x) (fpclassify (x) == FP_NORMAL)
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/* Return nonzero value if X is a NaN. We could use `fpclassify' but
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we already have this functions `__isnan' and it is faster. */
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#define isnan(x) \
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(sizeof (x) == sizeof (float) ? \
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__isnanf (x) \
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: sizeof (x) == sizeof (double) ? \
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__isnan (x) : __isnanl (x))
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/* Conversion functions. */
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/* Round X to nearest integral value according to current rounding
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direction. */
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extern long int rinttol __P ((double __x));
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extern long long int rinttoll __P ((double __x));
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/* Round X to nearest integral value, rounding halfway cases away from
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zero. */
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extern long int roundtol __P ((double __x));
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extern long long int roundtoll __P ((double __x));
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/* Comparison macros. */
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/* Return nonzero value if X is greater than Y. */
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#define isgreater(x, y) (!isunordered ((x), (y)) && (x) > (y))
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/* Return nonzero value if X is greater than or equal to Y. */
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#define isgreaterequal(x, y) (!isunordered ((x), (y)) && (x) >= (y))
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/* Return nonzero value if X is less than Y. */
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#define isless(x, y) (!isunordered ((x), (y)) && (x) < (y))
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/* Return nonzero value if X is less than or equal to Y. */
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#define islessequal(x, y) (!isunordered ((x), (y)) && (x) <= (y))
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/* Return nonzero value if either X is less than Y or Y is less than X. */
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#define islessgreater(x, y) \
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(!isunordered ((x), (y)) && ((x) < (y) || (y) < (x)))
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/* Return nonzero value if arguments are unordered. */
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#define isunordered(x, y) \
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(fpclassify (x) == FP_NAN || fpclassify (y) == FP_NAN)
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#endif /* Use ISO C 9X. */
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#ifdef __USE_MISC
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/* Support for various different standard error handling behaviors. */
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@ -140,6 +235,14 @@ extern int matherr __P ((struct exception *));
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#define HUGE FLT_MAX
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#include <float.h> /* Defines FLT_MAX. */
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#else /* !SVID */
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#ifdef __USE_XOPEN
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/* X/Open wants another strange constant. */
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#define MAXFLOAT FLT_MAX
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#include <float.h>
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#endif
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#endif /* SVID */
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@ -173,7 +276,8 @@ extern int matherr __P ((struct exception *));
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/* Get machine-dependent inline versions (if there are any). */
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#if !defined __NO_MATH_INLINES && defined __OPTIMIZE__
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#if (!defined __NO_MATH_INLINES && defined __OPTIMIZE__) \
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|| defined __LIBC_M81_MATH_INLINES
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#include <__math.h>
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#endif
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