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Add llogb, llogbf, llogbl.
TS 18661-1 defines llogb functions that are like ilogb except that they return long int instead of int. Corresponding FP_LLOGB* macros are defined, whose values are required to have the obvious correspondence to those of the FP_ILOGB* macros. This patch implements these functions and macros for glibc. llogb uses the type-generic infrastructure, with an implementation similar to the wrapper for ilogb but with additional conversion from FP_ILOGB* to FP_LLOGB*; this approach avoids needing to modify or duplicate any of the architecture-specific ilogb implementations. Tests are also based on those for ilogb. Ideally the llogb functions would alias the ilogb ones when long is 32-bit, but such aliasing requires the associated header declarations of the different-type alias to be hidden, typically by defining macros before including the header (see e.g. how sysdeps/ieee754/dbl-64/wordsize-64/s_llround.c defines lround to __hidden_lround before including <math.h>). The infrastructure for type-generic function implementations does not support defining such macros at present (since C code can't define a macro whose name is determined by other macros). So this patch leaves them as separate functions (similar to e.g. scalbln and scalbn being separate in such a case as well), but with the remapping of FP_ILOGB* to FP_LLOGB* conditioned out in the case where it would be the identity map. Tested for x86_64, x86, mips64 and powerpc. * math/bits/mathcalls.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (llogb): New declaration. * math/tgmath.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (llogb): New macro. * math/math.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (__FP_LONG_MAX): New macro. [__GLIBC_USE (IEC_60559_BFP_EXT)] (FP_LLOGB0): Likewise. [__GLIBC_USE (IEC_60559_BFP_EXT)] (FP_LLOGBNAN): Likewise. * math/Versions (llogb): New libm symbol at version GLIBC_2.25. (llogbf): Likewise. (llogbl): Likewise. * math/Makefile (gen-libm-calls): Add w_llogbF. (tests): Add test-fp-llogb-constants. * math/w_llogb_template.c: New file. Based on math/w_ilogb_template.c. * math/libm-test.inc (llogb_test_data): New array. (llogb_test): New function. (main): Call llogb_test. * math/test-fp-llogb-constants.c: New file. Based on math/test-fp-ilogb-constants.c. * math/test-tgmath-ret.c (llogb): New CHECK_RET_CONST call. (do_test): Call check_return_llogb. * math/test-tgmath.c (NCALLS): Increase to 126. (F(compile_test)): Call llogb. (F(llogb)): New function. * manual/math.texi (Exponents and Logarithms): Document llogb, llogbf, llogbl, FP_LLOGB0 and FP_LLOGBNAN. * manual/libm-err-tab.pl (@all_functions): Add llogb. * sysdeps/ieee754/ldbl-opt/nldbl-llogb.c: New file. * sysdeps/ieee754/ldbl-opt/w_llogbl.c: Likewise. * sysdeps/ieee754/ldbl-opt/Makefile (libnldbl-calls): Add llogb. (CFLAGS-nldbl-llogb.c): New variable. * sysdeps/nacl/libm.abilist: Update. * sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise.
This commit is contained in:
Joseph Myers
parent
6dc0741677
commit
55a38f8236
68
ChangeLog
68
ChangeLog
@ -1,3 +1,71 @@
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2016-12-02 Joseph Myers <joseph@codesourcery.com>
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* math/bits/mathcalls.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (llogb):
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New declaration.
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* math/tgmath.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (llogb): New
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macro.
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* math/math.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (__FP_LONG_MAX):
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New macro.
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[__GLIBC_USE (IEC_60559_BFP_EXT)] (FP_LLOGB0): Likewise.
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[__GLIBC_USE (IEC_60559_BFP_EXT)] (FP_LLOGBNAN): Likewise.
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* math/Versions (llogb): New libm symbol at version GLIBC_2.25.
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(llogbf): Likewise.
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(llogbl): Likewise.
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* math/Makefile (gen-libm-calls): Add w_llogbF.
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(tests): Add test-fp-llogb-constants.
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* math/w_llogb_template.c: New file. Based on
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math/w_ilogb_template.c.
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* math/libm-test.inc (llogb_test_data): New array.
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(llogb_test): New function.
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(main): Call llogb_test.
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* math/test-fp-llogb-constants.c: New file. Based on
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math/test-fp-ilogb-constants.c.
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* math/test-tgmath-ret.c (llogb): New CHECK_RET_CONST call.
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(do_test): Call check_return_llogb.
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* math/test-tgmath.c (NCALLS): Increase to 126.
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(F(compile_test)): Call llogb.
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(F(llogb)): New function.
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* manual/math.texi (Exponents and Logarithms): Document llogb,
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llogbf, llogbl, FP_LLOGB0 and FP_LLOGBNAN.
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* manual/libm-err-tab.pl (@all_functions): Add llogb.
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* sysdeps/ieee754/ldbl-opt/nldbl-llogb.c: New file.
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* sysdeps/ieee754/ldbl-opt/w_llogbl.c: Likewise.
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* sysdeps/ieee754/ldbl-opt/Makefile (libnldbl-calls): Add llogb.
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(CFLAGS-nldbl-llogb.c): New variable.
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* sysdeps/nacl/libm.abilist: Update.
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* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise.
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* sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise.
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* sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise.
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* sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise.
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* sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise.
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* sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise.
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* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise.
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* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise.
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* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise.
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* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise.
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* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise.
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* sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise.
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* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist:
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Likewise.
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* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist:
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Likewise.
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* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist:
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Likewise.
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* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist:
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Likewise.
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* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise.
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* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise.
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* sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise.
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* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise.
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* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise.
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* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist:
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Likewise.
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* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist:
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Likewise.
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* sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist: Likewise.
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* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise.
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* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise.
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2016-12-01 Joseph Myers <joseph@codesourcery.com>
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* sysdeps/ieee754/ldbl-128/s_getpayloadl.c (getpayloadl): Use
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3
NEWS
3
NEWS
@ -53,6 +53,9 @@ Version 2.25
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- Signaling NaN macros: SNANF, SNAN, SNANL.
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- llogb functions: the llogb, llogbf and llogbl functions, and the
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FP_LLOGB0 and FP_LLOGBNAN macros.
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- Comparison macros: iseqsig.
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- Classification macros: iscanonical, issubnormal, iszero.
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@ -58,7 +58,7 @@ use vars qw (%results @all_floats %suffices @all_functions);
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"creal", "csin", "csinh", "csqrt", "ctan", "ctanh", "erf", "erfc",
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"exp", "exp10", "exp2", "expm1", "fabs", "fdim", "floor", "fma",
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"fmax", "fmin", "fmod", "frexp", "gamma", "hypot",
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"ilogb", "j0", "j1", "jn", "lgamma", "lrint",
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"ilogb", "j0", "j1", "jn", "lgamma", "llogb", "lrint",
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"llrint", "log", "log10", "log1p", "log2", "logb", "lround",
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"llround", "modf", "nearbyint", "nextafter", "nextdown", "nexttoward",
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"nextup", "pow", "remainder", "remquo", "rint", "round", "scalb",
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@ -584,9 +584,20 @@ negative), @code{logb} returns @math{@infinity{}}. If @var{x} is zero,
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@comment math.h
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@comment ISO
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@deftypefunx int ilogbl (long double @var{x})
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@comment math.h
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@comment ISO
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@deftypefunx {long int} llogb (double @var{x})
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@comment math.h
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@comment ISO
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@deftypefunx {long int} llogbf (float @var{x})
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@comment math.h
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@comment ISO
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@deftypefunx {long int} llogbl (long double @var{x})
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@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
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These functions are equivalent to the corresponding @code{logb}
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functions except that they return signed integer values.
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functions except that they return signed integer values. The
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@code{ilogb} functions are from ISO C99; the @code{llogb} functions
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are from TS 18661-1:2014.
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@end deftypefun
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@noindent
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@ -603,6 +614,15 @@ numeric value is either @code{INT_MIN} or @code{-INT_MAX}.
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This macro is defined in @w{ISO C99}.
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@end deftypevr
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@comment math.h
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@comment ISO
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@deftypevr Macro {long int} FP_LLOGB0
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@code{llogb} returns this value if its argument is @code{0}. The
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numeric value is either @code{LONG_MIN} or @code{-LONG_MAX}.
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This macro is defined in TS 18661-1:2014.
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@end deftypevr
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@comment math.h
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@comment ISO
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@deftypevr Macro int FP_ILOGBNAN
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@ -612,6 +632,15 @@ numeric value is either @code{INT_MIN} or @code{INT_MAX}.
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This macro is defined in @w{ISO C99}.
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@end deftypevr
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@comment math.h
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@comment ISO
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@deftypevr Macro {long int} FP_LLOGBNAN
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@code{llogb} returns this value if its argument is @code{NaN}. The
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numeric value is either @code{LONG_MIN} or @code{LONG_MAX}.
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This macro is defined in TS 18661-1:2014.
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@end deftypevr
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These values are system specific. They might even be the same. The
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proper way to test the result of @code{ilogb} is as follows:
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@ -52,7 +52,7 @@ gen-libm-calls = cargF conjF cimagF crealF cabsF s_cacosF \
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k_casinhF s_csinhF k_casinhF s_csinhF s_catanhF s_catanF \
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s_ctanF s_ctanhF s_cexpF s_clogF s_cprojF s_csqrtF \
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s_cpowF s_clog10F s_fdimF s_nextdownF s_fmaxF s_fminF \
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s_nanF s_iseqsigF s_canonicalizeF w_ilogbF
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s_nanF s_iseqsigF s_canonicalizeF w_ilogbF w_llogbF
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libm-calls = \
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e_acosF e_acoshF e_asinF e_atan2F e_atanhF e_coshF e_expF e_fmodF \
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@ -159,7 +159,7 @@ tests = test-matherr test-fenv atest-exp atest-sincos atest-exp2 basic-test \
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test-fesetexcept-traps test-fetestexceptflag test-femode \
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test-femode-traps test-iszero-excess-precision \
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test-iseqsig-excess-precision test-flt-eval-method \
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test-fp-ilogb-constants $(tests-static)
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test-fp-ilogb-constants test-fp-llogb-constants $(tests-static)
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tests-static = test-fpucw-static test-fpucw-ieee-static \
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test-signgam-uchar-static test-signgam-uchar-init-static \
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test-signgam-uint-static test-signgam-uint-init-static \
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@ -223,5 +223,6 @@ libm {
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canonicalize; canonicalizef; canonicalizel;
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setpayload; setpayloadf; setpayloadl;
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setpayloadsig; setpayloadsigf; setpayloadsigl;
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llogb; llogbf; llogbl;
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}
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}
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@ -315,6 +315,11 @@ __MATHCALL (scalbn,, (_Mdouble_ __x, int __n));
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__MATHDECL (int,ilogb,, (_Mdouble_ __x));
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#endif
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#if __GLIBC_USE (IEC_60559_BFP_EXT)
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/* Like ilogb, but returning long int. */
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__MATHDECL (long int, llogb,, (_Mdouble_ __x));
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#endif
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#ifdef __USE_ISOC99
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/* Return X times (2 to the Nth power). */
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__MATHCALL (scalbln,, (_Mdouble_ __x, long int __n));
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@ -50,7 +50,7 @@
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ilogb, iscanonical, isfinite, isinf, isnan, isnormal, issignaling,
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issubnormal, iszero, iseqsig, isless, islessequal, isgreater,
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isgreaterequal, islessgreater, isunordered, j0, j1, jn,
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ldexp, lgamma, log, log10, log1p, log2, logb,
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ldexp, lgamma, llogb, log, log10, log1p, log2, logb,
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modf, nearbyint, nextafter, nexttoward,
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pow, pow10, remainder, remquo, rint, lrint, llrint,
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round, lround, llround,
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@ -9171,6 +9171,48 @@ gamma_test (void)
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}
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static const struct test_f_l_data llogb_test_data[] =
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{
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TEST_f_l (llogb, 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_l (llogb, lit_e, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_l (llogb, 1024, 10, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_l (llogb, -2000, 10, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_l (llogb, 0.5, -1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
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TEST_f_l (llogb, -0.5, -1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
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#if MANT_DIG >= 57
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TEST_f_l (llogb, 0x1.ffffffffffffffp1L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_l (llogb, -0x1.ffffffffffffffp1L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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#endif
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TEST_f_l (llogb, min_subnorm_value, MIN_EXP-MANT_DIG, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
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TEST_f_l (llogb, -min_subnorm_value, MIN_EXP-MANT_DIG, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
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TEST_f_l (llogb, min_value, MIN_EXP-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
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TEST_f_l (llogb, -min_value, MIN_EXP-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
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TEST_f_l (llogb, max_value, MAX_EXP-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
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TEST_f_l (llogb, -max_value, MAX_EXP-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
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/* llogb (0.0) == FP_LLOGB0 plus invalid exception */
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TEST_f_l (llogb, 0.0, FP_LLOGB0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM),
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TEST_f_l (llogb, -0.0, FP_LLOGB0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM),
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/* llogb (qNaN) == FP_LLOGBNAN plus invalid exception */
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TEST_f_l (llogb, qnan_value, FP_LLOGBNAN, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM),
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TEST_f_l (llogb, -qnan_value, FP_LLOGBNAN, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM),
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TEST_f_l (llogb, snan_value, FP_LLOGBNAN, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM),
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TEST_f_l (llogb, -snan_value, FP_LLOGBNAN, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM),
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/* llogb (inf) == LONG_MAX plus invalid exception */
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TEST_f_l (llogb, plus_infty, LONG_MAX, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM),
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/* llogb (-inf) == LONG_MAX plus invalid exception */
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TEST_f_l (llogb, minus_infty, LONG_MAX, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM),
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};
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static void
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llogb_test (void)
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{
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ALL_RM_TEST (llogb, 1, llogb_test_data, RUN_TEST_LOOP_f_l, END);
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}
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static const struct test_f_l_data lrint_test_data[] =
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{
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/* Bug 6798: errno setting may be missing. */
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@ -13775,6 +13817,7 @@ main (int argc, char **argv)
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modf_test ();
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pow10_test ();
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ilogb_test ();
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llogb_test ();
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scalb_test ();
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scalbn_test ();
|
||||
scalbln_test ();
|
||||
|
||||
21
math/math.h
21
math/math.h
@ -97,11 +97,13 @@ typedef _Float128x double_t;
|
||||
# endif
|
||||
#endif
|
||||
|
||||
/* Define macros for the return value of ilogb, based on
|
||||
/* Define macros for the return values of ilogb and llogb, based on
|
||||
__FP_LOGB0_IS_MIN and __FP_LOGBNAN_IS_MIN.
|
||||
|
||||
FP_ILOGB0 Expands to a value returned by `ilogb (0.0)'.
|
||||
FP_ILOGBNAN Expands to a value returned by `ilogb (NAN)'.
|
||||
FP_LLOGB0 Expands to a value returned by `llogb (0.0)'.
|
||||
FP_LLOGBNAN Expands to a value returned by `llogb (NAN)'.
|
||||
|
||||
*/
|
||||
|
||||
@ -118,6 +120,23 @@ typedef _Float128x double_t;
|
||||
# define FP_ILOGBNAN 2147483647
|
||||
# endif
|
||||
#endif
|
||||
#if __GLIBC_USE (IEC_60559_BFP_EXT)
|
||||
# if __WORDSIZE == 32
|
||||
# define __FP_LONG_MAX 0x7fffffffL
|
||||
# else
|
||||
# define __FP_LONG_MAX 0x7fffffffffffffffL
|
||||
# endif
|
||||
# if __FP_LOGB0_IS_MIN
|
||||
# define FP_LLOGB0 (-__FP_LONG_MAX - 1)
|
||||
# else
|
||||
# define FP_LLOGB0 (-__FP_LONG_MAX)
|
||||
# endif
|
||||
# if __FP_LOGBNAN_IS_MIN
|
||||
# define FP_LLOGBNAN (-__FP_LONG_MAX - 1)
|
||||
# else
|
||||
# define FP_LLOGBNAN __FP_LONG_MAX
|
||||
# endif
|
||||
#endif
|
||||
|
||||
/* Get information about long double. */
|
||||
|
||||
|
||||
48
math/test-fp-llogb-constants.c
Normal file
48
math/test-fp-llogb-constants.c
Normal file
@ -0,0 +1,48 @@
|
||||
/* Test requirements on FP_LLOGB* 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_LLOGB0 >= 0
|
||||
# error "FP_LLOGB0 is positive"
|
||||
#endif
|
||||
|
||||
#if FP_LLOGB0 != LONG_MIN && FP_LLOGB0 != -LONG_MAX
|
||||
# error "FP_LLOGB0 must be LONG_MIN or -LONG_MAX"
|
||||
#endif
|
||||
|
||||
#if FP_LLOGBNAN >= 0 && FP_LLOGBNAN != LONG_MAX
|
||||
# error "FP_LLOGBNAN must be LONG_MIN or LONG_MAX"
|
||||
#endif
|
||||
|
||||
#if FP_LLOGBNAN < 0 && FP_LLOGBNAN != LONG_MIN
|
||||
# error "FP_LLOGBNAN must be LONG_MIN or LONG_MAX"
|
||||
#endif
|
||||
|
||||
#if (FP_ILOGB0 == INT_MIN) != (FP_LLOGB0 == LONG_MIN)
|
||||
# error "FP_ILOGB0 and FP_LLOGB0 inconsistent"
|
||||
#endif
|
||||
|
||||
#if (FP_ILOGBNAN == INT_MIN) != (FP_LLOGBNAN == LONG_MIN)
|
||||
# error "FP_ILOGBNAN and FP_LLOGBNAN inconsistent"
|
||||
#endif
|
||||
|
||||
/* This is a compilation test. */
|
||||
#define TEST_FUNCTION 0
|
||||
#include "../test-skeleton.c"
|
||||
@ -61,6 +61,7 @@ check_return_ ##func (void) \
|
||||
}
|
||||
|
||||
CHECK_RET_CONST(ilogb, int)
|
||||
CHECK_RET_CONST(llogb, long)
|
||||
CHECK_RET_CONST(lrint, long)
|
||||
CHECK_RET_CONST(lround, long)
|
||||
CHECK_RET_CONST(llrint, long long)
|
||||
@ -70,6 +71,7 @@ static int
|
||||
do_test (void)
|
||||
{
|
||||
check_return_ilogb ();
|
||||
check_return_llogb ();
|
||||
check_return_lrint ();
|
||||
check_return_lround ();
|
||||
check_return_llrint ();
|
||||
|
||||
@ -50,7 +50,7 @@ int count_cdouble;
|
||||
int count_cfloat;
|
||||
int count_cldouble;
|
||||
|
||||
#define NCALLS 125
|
||||
#define NCALLS 126
|
||||
#define NCALLS_INT 4
|
||||
#define NCCALLS 47
|
||||
|
||||
@ -281,6 +281,7 @@ F(compile_test) (void)
|
||||
a = scalb (scalb (x, a), (TYPE) (6));
|
||||
k = scalbn (a, 7) + scalbln (c, 10l);
|
||||
i = ilogb (x);
|
||||
j = llogb (x);
|
||||
a = fdim (fdim (x, a), fdim (c, b));
|
||||
b = fmax (fmax (a, x), fmax (c, b));
|
||||
a = fmin (fmin (x, a), fmin (c, b));
|
||||
@ -379,6 +380,7 @@ F(compile_test) (void)
|
||||
a = scalb (y, (const TYPE) (6));
|
||||
k = scalbn (y, 7) + scalbln (y, 10l);
|
||||
i = ilogb (y);
|
||||
j = llogb (y);
|
||||
a = fdim (y, y);
|
||||
a = fmax (y, y);
|
||||
a = fmin (y, y);
|
||||
@ -846,6 +848,14 @@ int
|
||||
return x;
|
||||
}
|
||||
|
||||
long int
|
||||
(F(llogb)) (TYPE x)
|
||||
{
|
||||
++count;
|
||||
P ();
|
||||
return x;
|
||||
}
|
||||
|
||||
TYPE
|
||||
(F(fdim)) (TYPE x, TYPE y)
|
||||
{
|
||||
|
||||
@ -438,6 +438,9 @@
|
||||
__TGMATH_TERNARY_REAL_ONLY (Val1, Val2, Val3, fma)
|
||||
|
||||
#if __GLIBC_USE (IEC_60559_BFP_EXT)
|
||||
/* Like ilogb, but returning long int. */
|
||||
#define llogb(Val) __TGMATH_UNARY_REAL_RET_ONLY (Val, long int, llogb)
|
||||
|
||||
/* Total order operation. */
|
||||
# define totalorder(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, \
|
||||
totalorder)
|
||||
|
||||
46
math/w_llogb_template.c
Normal file
46
math/w_llogb_template.c
Normal file
@ -0,0 +1,46 @@
|
||||
/* Wrapper to implement llogb in terms of ilogb.
|
||||
Copyright (C) 2012-2016 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 <math.h>
|
||||
#include <errno.h>
|
||||
#include <limits.h>
|
||||
#include <math_private.h>
|
||||
|
||||
long int
|
||||
M_DECL_FUNC (__llogb) (FLOAT x)
|
||||
{
|
||||
int r = M_SUF (__ieee754_ilogb) (x);
|
||||
long int lr = r;
|
||||
if (__glibc_unlikely (r == FP_ILOGB0)
|
||||
|| __glibc_unlikely (r == FP_ILOGBNAN)
|
||||
|| __glibc_unlikely (r == INT_MAX))
|
||||
{
|
||||
#if LONG_MAX != INT_MAX
|
||||
if (r == FP_ILOGB0)
|
||||
lr = FP_LLOGB0;
|
||||
else if (r == FP_ILOGBNAN)
|
||||
lr = FP_LLOGBNAN;
|
||||
else
|
||||
lr = LONG_MAX;
|
||||
#endif
|
||||
__set_errno (EDOM);
|
||||
__feraiseexcept (FE_INVALID);
|
||||
}
|
||||
return lr;
|
||||
}
|
||||
declare_mgen_alias (__llogb, llogb)
|
||||
@ -43,7 +43,7 @@ libnldbl-calls = asprintf dprintf fprintf fscanf fwprintf fwscanf iovfscanf \
|
||||
isoc99_wscanf isoc99_fwscanf isoc99_swscanf \
|
||||
isoc99_vwscanf isoc99_vfwscanf isoc99_vswscanf \
|
||||
nextup nextdown totalorder totalordermag getpayload \
|
||||
canonicalize setpayload setpayloadsig
|
||||
canonicalize setpayload setpayloadsig llogb
|
||||
libnldbl-routines = $(libnldbl-calls:%=nldbl-%)
|
||||
libnldbl-inhibit-o = $(object-suffixes)
|
||||
libnldbl-static-only-routines = $(libnldbl-routines)
|
||||
@ -112,6 +112,7 @@ CFLAGS-nldbl-jn.c = -fno-builtin-jnl
|
||||
CFLAGS-nldbl-ldexp.c = -fno-builtin-ldexpl
|
||||
CFLAGS-nldbl-lgamma.c = -fno-builtin-lgammal
|
||||
CFLAGS-nldbl-lgamma_r.c = -fno-builtin-lgammal_r
|
||||
CFLAGS-nldbl-llogb.c = -fno-builtin-llogbl
|
||||
CFLAGS-nldbl-llrint.c = -fno-builtin-llrintl
|
||||
CFLAGS-nldbl-llround.c = -fno-builtin-llroundl
|
||||
CFLAGS-nldbl-log.c = -fno-builtin-logl
|
||||
|
||||
26
sysdeps/ieee754/ldbl-opt/nldbl-llogb.c
Normal file
26
sysdeps/ieee754/ldbl-opt/nldbl-llogb.c
Normal file
@ -0,0 +1,26 @@
|
||||
/* Compatibility routine for IEEE double as long double for llogb.
|
||||
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 "nldbl-compat.h"
|
||||
|
||||
long int
|
||||
attribute_hidden
|
||||
llogbl (double x)
|
||||
{
|
||||
return llogb (x);
|
||||
}
|
||||
5
sysdeps/ieee754/ldbl-opt/w_llogbl.c
Normal file
5
sysdeps/ieee754/ldbl-opt/w_llogbl.c
Normal file
@ -0,0 +1,5 @@
|
||||
/* llogbl is not subject to complex aliasing rules. It was added in
|
||||
glibc 2.25. */
|
||||
#define declare_mgen_alias(from, to) weak_alias (M_SUF (from), M_SUF (to))
|
||||
#include <math-type-macros-ldouble.h>
|
||||
#include <w_llogb_template.c>
|
||||
@ -392,6 +392,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -424,6 +424,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -434,6 +434,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -81,6 +81,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -393,6 +393,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -437,6 +437,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -366,6 +366,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -81,6 +81,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -435,6 +435,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -392,6 +392,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -394,6 +394,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -426,6 +426,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -392,6 +392,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -437,6 +437,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -436,6 +436,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -431,6 +431,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -112,6 +112,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -424,6 +424,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -422,6 +422,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -393,6 +393,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -427,6 +427,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -425,6 +425,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -393,6 +393,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -393,6 +393,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -393,6 +393,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -426,6 +426,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
@ -425,6 +425,9 @@ GLIBC_2.25 fetestexceptflag F
|
||||
GLIBC_2.25 getpayload F
|
||||
GLIBC_2.25 getpayloadf F
|
||||
GLIBC_2.25 getpayloadl F
|
||||
GLIBC_2.25 llogb F
|
||||
GLIBC_2.25 llogbf F
|
||||
GLIBC_2.25 llogbl F
|
||||
GLIBC_2.25 setpayload F
|
||||
GLIBC_2.25 setpayloadf F
|
||||
GLIBC_2.25 setpayloadl F
|
||||
|
||||
Loading…
Reference in New Issue
Block a user