From 377a515b4ce100dc119db09a7bc1d7628136993a Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Tue, 4 Mar 1997 05:53:28 +0000 Subject: update from main archive 970304 1997-03-04 04:31 Ulrich Drepper * 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 * time/Makefile $(tzfiles:%=$(objpfx)z.%): Remove unneeded depedencies between installed $(tzlinks) and $(tzbases) files. 1997-03-01 14:27 Andreas Schwab * 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 * Makefile (tests): Cope with $PATH not including the current directory. 1997-02-27 18:04 Andreas Schwab * sysdeps/unix/Makefile ($(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 $(native-compile). (make_siglist-CFLAGS): New variable. * Makerules (ALL_BUILD_CFLAGS): Renamed from BUILD_CFLAGS, leaving the old name for the user to pass additional flags to the host compiler. Fix reference to config header. (native-compile, common-objdir-compile): Rewritten to make more generally usable. * sysdeps/unix/sysv/sysv4/solaris2/Makefile: Set ALL_BUILD_CFLAGS instead of BUILD_CFLAGS. * sysvips/sys/ipc.h: Warn if needed feature select macro are not defined. 1997-02-27 17:11 Andreas Schwab * sunrpc/Makefile ($(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 * argp/argp-parse.c (parser_finalize): Always set *END_INDEX if supplied. 1997-02-28 03:27 Ulrich Drepper * 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 . 1997-02-27 10:34:11 Richard Henderson * 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 1997-02-25 19:42 Miles Bader --- math/math.h | 116 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 110 insertions(+), 6 deletions(-) (limited to 'math/math.h') diff --git a/math/math.h b/math/math.h index dce06e798b..e08d210be8 100644 --- a/math/math.h +++ b/math/math.h @@ -44,20 +44,20 @@ __BEGIN_DECLS and can declare the float versions `namef' and `__namef'. */ #define __MATHCALL(function,suffix, args) \ - __MATHDECL (_Mdouble_, function,suffix, args) + __MATHDECL (_Mdouble_,function,suffix, args) #define __MATHDECL(type, function,suffix, args) \ __MATHDECL_1(type, function,suffix, args); \ - __MATHDECL_1(type, __##function,suffix, args) + __MATHDECL_1(type, __CONCAT(__,function),suffix, args) #define __MATHDECL_1(type, function,suffix, args) \ extern type __MATH_PRECNAME(function,suffix) args #define _Mdouble_ double -#define __MATH_PRECNAME(name,r) name##r +#define __MATH_PRECNAME(name,r) __CONCAT(name,r) #include #undef _Mdouble_ #undef __MATH_PRECNAME -#ifdef __USE_MISC +#if defined __USE_MISC || defined __USE_ISOC9X /* Include the file of declarations again, this time using `float' @@ -67,11 +67,16 @@ __BEGIN_DECLS #define _Mfloat_ float #endif #define _Mdouble_ _Mfloat_ +#ifdef __STDC__ #define __MATH_PRECNAME(name,r) name##f##r +#else +#define __MATH_PRECNAME(name,r) name/**/f/**/r +#endif #include #undef _Mdouble_ #undef __MATH_PRECNAME +#if __STDC__ - 0 || __GNUC__ - 0 /* Include the file of declarations again, this time using `long double' instead of `double' and appending l to each function name. */ @@ -79,14 +84,104 @@ __BEGIN_DECLS #define _Mlong_double_ long double #endif #define _Mdouble_ _Mlong_double_ +#ifdef __STDC__ #define __MATH_PRECNAME(name,r) name##l##r +#else +#define __MATH_PRECNAME(name,r) name/**/l/**/r +#endif #include #undef _Mdouble_ #undef __MATH_PRECNAME -#endif /* Use misc. */ +#endif /* __STDC__ || __GNUC__ */ + +#endif /* Use misc or ISO C 9X. */ + + +/* ISO C 9X defines some generic macros which work on any data type. */ +#if __USE_ISOC9X + +/* All floating-point numbers can be put in one of these categories. */ +enum + { + FP_NAN, +#define FP_NAN FP_NAN + FP_INFINITE, +#define FP_INFINITE FP_INFINITE + FP_ZERO, +#define FP_ZERO FP_ZERO + FP_SUBNORMAL, +#define FP_SUBNORMAL FP_SUBNORMAL + FP_NORMAL +#define FP_NORMAL FP_NORMAL + }; + +/* Return number of classification appropriate for X. */ +#define fpclassify(x) \ + (sizeof (x) == sizeof (float) ? \ + __finitef (x) \ + : sizeof (x) == sizeof (double) ? \ + __finite (x) : __finitel (x)) + +/* Return nonzero value if sign of X is negative. */ +#define signbit(x) \ + (sizeof (x) == sizeof (float) ? \ + __signbitf (x) \ + : sizeof (x) == sizeof (double) ? \ + __signbit (x) : __signbitl (x)) + +/* Return nonzero value if X is not +-Inf or NaN. */ +#define isfinite(x) (fpclassify (x) >= FP_ZERO) + +/* Return nonzero value if X is neither zero, subnormal, Inf, nor NaN. */ +#define isnormal(x) (fpclassify (x) == FP_NORMAL) + +/* Return nonzero value if X is a NaN. We could use `fpclassify' but + we already have this functions `__isnan' and it is faster. */ +#define isnan(x) \ + (sizeof (x) == sizeof (float) ? \ + __isnanf (x) \ + : sizeof (x) == sizeof (double) ? \ + __isnan (x) : __isnanl (x)) +/* Conversion functions. */ + +/* Round X to nearest integral value according to current rounding + direction. */ +extern long int rinttol __P ((double __x)); +extern long long int rinttoll __P ((double __x)); + +/* Round X to nearest integral value, rounding halfway cases away from + zero. */ +extern long int roundtol __P ((double __x)); +extern long long int roundtoll __P ((double __x)); + + +/* Comparison macros. */ + +/* Return nonzero value if X is greater than Y. */ +#define isgreater(x, y) (!isunordered ((x), (y)) && (x) > (y)) + +/* Return nonzero value if X is greater than or equal to Y. */ +#define isgreaterequal(x, y) (!isunordered ((x), (y)) && (x) >= (y)) + +/* Return nonzero value if X is less than Y. */ +#define isless(x, y) (!isunordered ((x), (y)) && (x) < (y)) + +/* Return nonzero value if X is less than or equal to Y. */ +#define islessequal(x, y) (!isunordered ((x), (y)) && (x) <= (y)) + +/* Return nonzero value if either X is less than Y or Y is less than X. */ +#define islessgreater(x, y) \ + (!isunordered ((x), (y)) && ((x) < (y) || (y) < (x))) + +/* Return nonzero value if arguments are unordered. */ +#define isunordered(x, y) \ + (fpclassify (x) == FP_NAN || fpclassify (y) == FP_NAN) + +#endif /* Use ISO C 9X. */ + #ifdef __USE_MISC /* Support for various different standard error handling behaviors. */ @@ -140,6 +235,14 @@ extern int matherr __P ((struct exception *)); #define HUGE FLT_MAX #include /* Defines FLT_MAX. */ +#else /* !SVID */ + +#ifdef __USE_XOPEN +/* X/Open wants another strange constant. */ +#define MAXFLOAT FLT_MAX +#include +#endif + #endif /* SVID */ @@ -173,7 +276,8 @@ extern int matherr __P ((struct exception *)); /* Get machine-dependent inline versions (if there are any). */ -#if !defined __NO_MATH_INLINES && defined __OPTIMIZE__ +#if (!defined __NO_MATH_INLINES && defined __OPTIMIZE__) \ + || defined __LIBC_M81_MATH_INLINES #include <__math.h> #endif -- cgit v1.2.3