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Add canonicalize, canonicalizef, canonicalizel.

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TS 18661-1 defines canonicalize functions to produce a canonical
version of a floating-point representation.  This patch implements
these functions for glibc.

As with the iscanonical macro, these functions are oriented to the
decimal floating-point case, where some values have both canonical and
noncanonical representations.  However, the functions have a return
value that says whether they succeeded in storing a canonical result;
thus, they can fail for the case of an invalid representation (while
still not making any particular choice from among multiple equally
canonical valid representations of the same value).  Since no
floating-point formats in glibc actually have noncanonical valid
representations, a type-generic implementation of these functions can
be used that expects iscanonical to return 0 only for invalid
representations.  Now that iscanonical is used within libm.so,
libm_hidden_proto / libm_hidden_def are added for __iscanonicall.

The definition of these functions is intended to correspond to a
convertFormat operation to the same floating-point format.  Thus, they
convert signaling NaNs to quiet NaNs, raising the "invalid" exception.
Such a conversion "should" produce "the canonical version of that
signaling NaN made quiet".

libm-test.inc is made to check NaN payloads for the output of these
functions, a new feature (at some point manipulation functions such as
fabs and copysign should have tests added that verify payload
preservation for them).  As however some architectures may not follow
the recommended practice of preserving NaN payloads when converting a
signaling NaN to quiet, a new math-tests.h macro
SNAN_TESTS_PRESERVE_PAYLOAD is added, and defined to 0 for non-NAN2008
MIPS; any other architectures seeing test failures for lack of payload
preservation in this case should also define this macro to 0.  (If any
cases arise where the sign isn't preserved either, those should have a
similar macro added.)

The ldbl-96 and ldbl-128ibm tests of iscanonical are renamed and
adapted to test canonicalizel as well on the same representations.

Tested for x86_64, x86, mips64 and powerpc.

	* math/bits/mathcalls.h [__GLIBC_USE (IEC_60559_BFP_EXT)]
	(canonicalize): New declaration.
	* math/Versions (canonicalize): New libm symbol at version
	GLIBC_2.25.
	(canonicalizef): Likewise.
	(canonicalizel): Likewise.
	* math/Makefile (gen-libm-calls): Add s_canonicalizeF.
	* math/s_canonicalize_template.c: New file.
	* math/libm-test.inc: Update comment on functions tested and
	testing of NaN payloads.
	(TEST_NAN_PAYLOAD): New macro.
	(NO_TEST_INLINE): Update value.
	(XFAIL_TEST): Likewise.
	(ERRNO_UNCHANGED): Likewise.
	(ERRNO_EDOM): Likewise.
	(ERRNO_ERANGE): Likewise.
	(IGNORE_RESULT): Likewise.
	(NON_FINITE): Likewise.
	(TEST_SNAN): Likewise.
	(NO_TEST_MATHVEC): Likewise.
	(TEST_NAN_PAYLOAD_CANONICALIZE): New macro.
	(check_float_internal): Check NaN payloads if TEST_NAN_PAYLOAD.
	(struct test_Ffp_b1_data): New type.
	(RUN_TEST_Ffp_b1): New macro.
	(RUN_TEST_LOOP_Ffp_b1): Likewise.
	(canonicalize_test_data): New array.
	(canonicalize_test): New function.
	(main): Call canonicalize_test.
	* manual/arith.texi (FP Bit Twiddling): Document canonicalize,
	canonicalizef and canonicalizel.
	* manual/libm-err-tab.pl: Update comment on interfaces without
	ulps tabulated.
	* sysdeps/ieee754/ldbl-opt/nldbl-canonicalize.c: New file.
	* sysdeps/ieee754/ldbl-opt/s_canonicalizel.c: Likewise.
	* sysdeps/ieee754/ldbl-opt/Makefile (libnldbl-calls): Add
	canonicalize.
	(CFLAGS-nldbl-canonicalize.c): New variable.
	* sysdeps/ieee754/ldbl-128ibm/test-iscanonical-ldbl-128ibm.c: Move
	to ...
	* sysdeps/ieee754/ldbl-128ibm/test-canonical-ldbl-128ibm.c:
	... here.
	(do_test): Also test canonicalizel.
	* sysdeps/ieee754/ldbl-128ibm/Makefile (tests): Change
	test-iscanonical-ldbl-128ibm to test-canonical-ldbl-128ibm.
	* sysdeps/ieee754/ldbl-128ibm/include/bits/iscanonical.h: New
	file.
	* sysdeps/ieee754/ldbl-128ibm/s_iscanonicall.c (__iscanonicall):
	Use libm_hidden_def.
	* sysdeps/ieee754/ldbl-96/test-iscanonical-ldbl-96.c: Move to ...
	* sysdeps/ieee754/ldbl-96/test-canonical-ldbl-96.c: ... here.
	(do_test): Also test canonicalizel.
	* sysdeps/ieee754/ldbl-96/Makefile (tests): Change
	test-iscanonical-ldbl-96 to test-canonical-ldbl-96.
	* sysdeps/ieee754/ldbl-96/include/bits/iscanonical.h: New file.
	* sysdeps/ieee754/ldbl-96/s_iscanonicall.c (__iscanonicall): Use
	libm_hidden_def.
	* sysdeps/generic/math-tests.h (SNAN_TESTS_PRESERVE_PAYLOAD): New
	macro.
	* sysdeps/mips/math-tests.h [__mips_hard_float && !__mips_nan2008]
	(SNAN_TESTS_PRESERVE_PAYLOAD): Likewise.
	* 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 2016-10-26 23:14:31 +00:00
parent 873febb5df
commit eaf5ad0bc4
49 changed files with 518 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

94
ChangeLog
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@ -1,5 +1,99 @@
2016-10-26 Joseph Myers <joseph@codesourcery.com> 2016-10-26 Joseph Myers <joseph@codesourcery.com>
* math/bits/mathcalls.h [__GLIBC_USE (IEC_60559_BFP_EXT)]
(canonicalize): New declaration.
* math/Versions (canonicalize): New libm symbol at version
GLIBC_2.25.
(canonicalizef): Likewise.
(canonicalizel): Likewise.
* math/Makefile (gen-libm-calls): Add s_canonicalizeF.
* math/s_canonicalize_template.c: New file.
* math/libm-test.inc: Update comment on functions tested and
testing of NaN payloads.
(TEST_NAN_PAYLOAD): New macro.
(NO_TEST_INLINE): Update value.
(XFAIL_TEST): Likewise.
(ERRNO_UNCHANGED): Likewise.
(ERRNO_EDOM): Likewise.
(ERRNO_ERANGE): Likewise.
(IGNORE_RESULT): Likewise.
(NON_FINITE): Likewise.
(TEST_SNAN): Likewise.
(NO_TEST_MATHVEC): Likewise.
(TEST_NAN_PAYLOAD_CANONICALIZE): New macro.
(check_float_internal): Check NaN payloads if TEST_NAN_PAYLOAD.
(struct test_Ffp_b1_data): New type.
(RUN_TEST_Ffp_b1): New macro.
(RUN_TEST_LOOP_Ffp_b1): Likewise.
(canonicalize_test_data): New array.
(canonicalize_test): New function.
(main): Call canonicalize_test.
* manual/arith.texi (FP Bit Twiddling): Document canonicalize,
canonicalizef and canonicalizel.
* manual/libm-err-tab.pl: Update comment on interfaces without
ulps tabulated.
* sysdeps/ieee754/ldbl-opt/nldbl-canonicalize.c: New file.
* sysdeps/ieee754/ldbl-opt/s_canonicalizel.c: Likewise.
* sysdeps/ieee754/ldbl-opt/Makefile (libnldbl-calls): Add
canonicalize.
(CFLAGS-nldbl-canonicalize.c): New variable.
* sysdeps/ieee754/ldbl-128ibm/test-iscanonical-ldbl-128ibm.c: Move
to ...
* sysdeps/ieee754/ldbl-128ibm/test-canonical-ldbl-128ibm.c:
... here.
(do_test): Also test canonicalizel.
* sysdeps/ieee754/ldbl-128ibm/Makefile (tests): Change
test-iscanonical-ldbl-128ibm to test-canonical-ldbl-128ibm.
* sysdeps/ieee754/ldbl-128ibm/include/bits/iscanonical.h: New
file.
* sysdeps/ieee754/ldbl-128ibm/s_iscanonicall.c (__iscanonicall):
Use libm_hidden_def.
* sysdeps/ieee754/ldbl-96/test-iscanonical-ldbl-96.c: Move to ...
* sysdeps/ieee754/ldbl-96/test-canonical-ldbl-96.c: ... here.
(do_test): Also test canonicalizel.
* sysdeps/ieee754/ldbl-96/Makefile (tests): Change
test-iscanonical-ldbl-96 to test-canonical-ldbl-96.
* sysdeps/ieee754/ldbl-96/include/bits/iscanonical.h: New file.
* sysdeps/ieee754/ldbl-96/s_iscanonicall.c (__iscanonicall): Use
libm_hidden_def.
* sysdeps/generic/math-tests.h (SNAN_TESTS_PRESERVE_PAYLOAD): New
macro.
* sysdeps/mips/math-tests.h [__mips_hard_float && !__mips_nan2008]
(SNAN_TESTS_PRESERVE_PAYLOAD): Likewise.
* 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.
* sysdeps/ieee754/ldbl-opt/nldbl-getpayload.c: New file. * sysdeps/ieee754/ldbl-opt/nldbl-getpayload.c: New file.
* sysdeps/ieee754/ldbl-opt/Makefile (libnldbl-calls): Add * sysdeps/ieee754/ldbl-opt/Makefile (libnldbl-calls): Add
getpayload. getpayload.

2
NEWS
View File

@ -58,6 +58,8 @@ Version 2.25
- Total order functions: totalorder, totalorderf, totalorderl, - Total order functions: totalorder, totalorderf, totalorderl,
totalordermag, totalordermagf, totalordermagl. totalordermag, totalordermagf, totalordermagl.
- Canonicalize functions: canonicalize, canonicalizef, canonicalizel.
- NaN functions: getpayload, getpayloadf, getpayloadl. - NaN functions: getpayload, getpayloadf, getpayloadl.
* The functions strfromd, strfromf, and strfroml, from ISO/IEC TS 18661-1:2014, * The functions strfromd, strfromf, and strfroml, from ISO/IEC TS 18661-1:2014,

30
manual/arith.texi
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@ -1855,6 +1855,36 @@ The argument @var{tagp} is used in an unspecified manner. On @w{IEEE
selects one. On other systems it may do nothing. selects one. On other systems it may do nothing.
@end deftypefun @end deftypefun
@comment math.h
@comment ISO
@deftypefun int canonicalize (double *@var{cx}, const double *@var{x})
@comment math.h
@comment ISO
@deftypefunx int canonicalizef (float *@var{cx}, const float *@var{x})
@comment math.h
@comment ISO
@deftypefunx int canonicalizel (long double *@var{cx}, const long double *@var{x})
@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
In some floating-point formats, some values have canonical (preferred)
and noncanonical encodings (for IEEE interchange binary formats, all
encodings are canonical). These functions, defined by TS
18661-1:2014, attempt to produce a canonical version of the
floating-point value pointed to by @var{x}; if that value is a
signaling NaN, they raise the invalid exception and produce a quiet
NaN. If a canonical value is produced, it is stored in the object
pointed to by @var{cx}, and these functions return zero. Otherwise
(if a canonical value could not be produced because the object pointed
to by @var{x} is not a valid representation of any floating-point
value), the object pointed to by @var{cx} is unchanged and a nonzero
value is returned.
Note that some formats have multiple encodings of a value which are
all equally canonical; when such an encoding is used as an input to
this function, any such encoding of the same value (or of the
corresponding quiet NaN, if that value is a signaling NaN) may be
produced as output.
@end deftypefun
@comment math.h @comment math.h
@comment ISO @comment ISO
@deftypefun double getpayload (const double *@var{x}) @deftypefun double getpayload (const double *@var{x})

8
manual/libm-err-tab.pl
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@ -77,10 +77,10 @@ use vars qw (%results @all_floats %suffices @all_functions);
"nextup", "pow", "remainder", "remquo", "rint", "round", "scalb", "nextup", "pow", "remainder", "remquo", "rint", "round", "scalb",
"scalbn", "sin", "sincos", "sinh", "sqrt", "tan", "tanh", "tgamma", "scalbn", "sin", "sincos", "sinh", "sqrt", "tan", "tanh", "tgamma",
"trunc", "y0", "y1", "yn" ); "trunc", "y0", "y1", "yn" );
# fpclassify, getpayload, iscanonical, isnormal, isfinite, isinf, isnan, # canonicalize, fpclassify, getpayload, iscanonical, isnormal,
# issignaling, issubnormal, iszero, signbit, iseqsig, isgreater, # isfinite, isinf, isnan, issignaling, issubnormal, iszero, signbit,
# isgreaterequal, isless, islessequal, islessgreater, isunordered, # iseqsig, isgreater, isgreaterequal, isless, islessequal,
# totalorder, totalordermag # islessgreater, isunordered, totalorder, totalordermag
# are not tabulated. # are not tabulated.
if ($#ARGV == 0) { if ($#ARGV == 0) {

2
math/Makefile
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@ -51,7 +51,7 @@ gen-libm-calls = cargF conjF cimagF crealF cabsF s_cacosF \
k_casinhF s_csinhF k_casinhF s_csinhF s_catanhF s_catanF \ k_casinhF s_csinhF k_casinhF s_csinhF s_catanhF s_catanF \
s_ctanF s_ctanhF s_cexpF s_clogF s_cprojF s_csqrtF \ s_ctanF s_ctanhF s_cexpF s_clogF s_cprojF s_csqrtF \
s_cpowF s_clog10F s_fdimF s_nextdownF s_fmaxF s_fminF \ s_cpowF s_clog10F s_fdimF s_nextdownF s_fmaxF s_fminF \
s_nanF s_iseqsigF s_nanF s_iseqsigF s_canonicalizeF
libm-calls = \ libm-calls = \
e_acosF e_acoshF e_asinF e_atan2F e_atanhF e_coshF e_expF e_fmodF \ e_acosF e_acoshF e_asinF e_atan2F e_atanhF e_coshF e_expF e_fmodF \

1
math/Versions
View File

@ -220,5 +220,6 @@ libm {
totalorder; totalorderf; totalorderl; totalorder; totalorderf; totalorderl;
totalordermag; totalordermagf; totalordermagl; totalordermag; totalordermagf; totalordermagl;
getpayload; getpayloadf; getpayloadl; getpayload; getpayloadf; getpayloadl;
canonicalize; canonicalizef; canonicalizel;
} }
} }

3
math/bits/mathcalls.h
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@ -395,6 +395,9 @@ __MATHDECL_1 (int, totalorder,, (_Mdouble_ __x, _Mdouble_ __y))
__MATHDECL_1 (int, totalordermag,, (_Mdouble_ __x, _Mdouble_ __y)) __MATHDECL_1 (int, totalordermag,, (_Mdouble_ __x, _Mdouble_ __y))
__attribute__ ((__const__)); __attribute__ ((__const__));
/* Canonicalize floating-point representation. */
__MATHDECL_1 (int, canonicalize,, (_Mdouble_ *__cx, const _Mdouble_ *__x));
/* Get NaN payload. */ /* Get NaN payload. */
__MATHCALL (getpayload,, (const _Mdouble_ *__x)); __MATHCALL (getpayload,, (const _Mdouble_ *__x));
#endif #endif

155
math/libm-test.inc
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@ -43,7 +43,8 @@
/* This testsuite has currently tests for: /* This testsuite has currently tests for:
acos, acosh, asin, asinh, atan, atan2, atanh, acos, acosh, asin, asinh, atan, atan2, atanh,
cbrt, ceil, copysign, cos, cosh, drem, erf, erfc, exp, exp10, exp2, expm1, canonicalize, cbrt, ceil, copysign, cos, cosh, drem,
erf, erfc, exp, exp10, exp2, expm1,
fabs, fdim, finite, floor, fma, fmax, fmin, fmod, fpclassify, fabs, fdim, finite, floor, fma, fmax, fmin, fmod, fpclassify,
frexp, gamma, getpayload, hypot, frexp, gamma, getpayload, hypot,
ilogb, iscanonical, isfinite, isinf, isnan, isnormal, issignaling, ilogb, iscanonical, isfinite, isinf, isnan, isnormal, issignaling,
@ -85,8 +86,9 @@
against. These implemented tests should check all cases that are against. These implemented tests should check all cases that are
specified in ISO C99. specified in ISO C99.
NaN values: The payload of NaNs is not examined, but is set in NaN values: The payload of NaNs is set in inputs for functions
inputs for functions where it is significant. where it is significant, and is examined in the outputs of some
functions.
Inline functions: Inlining functions should give an improvement in Inline functions: Inlining functions should give an improvement in
speed - but not in precission. The inlined functions return speed - but not in precission. The inlined functions return
@ -172,17 +174,22 @@
/* Some special test flags, passed together with exceptions. */ /* Some special test flags, passed together with exceptions. */
#define IGNORE_ZERO_INF_SIGN 0x400 #define IGNORE_ZERO_INF_SIGN 0x400
#define TEST_NAN_SIGN 0x800 #define TEST_NAN_SIGN 0x800
#define NO_TEST_INLINE 0x1000 #define TEST_NAN_PAYLOAD 0x1000
#define XFAIL_TEST 0x2000 #define NO_TEST_INLINE 0x2000
#define XFAIL_TEST 0x4000
/* Indicate errno settings required or disallowed. */ /* Indicate errno settings required or disallowed. */
#define ERRNO_UNCHANGED 0x4000 #define ERRNO_UNCHANGED 0x8000
#define ERRNO_EDOM 0x8000 #define ERRNO_EDOM 0x10000
#define ERRNO_ERANGE 0x10000 #define ERRNO_ERANGE 0x20000
/* Flags generated by gen-libm-test.pl, not entered here manually. */ /* Flags generated by gen-libm-test.pl, not entered here manually. */
#define IGNORE_RESULT 0x20000 #define IGNORE_RESULT 0x40000
#define NON_FINITE 0x40000 #define NON_FINITE 0x80000
#define TEST_SNAN 0x80000 #define TEST_SNAN 0x100000
#define NO_TEST_MATHVEC 0x100000 #define NO_TEST_MATHVEC 0x200000
#define TEST_NAN_PAYLOAD_CANONICALIZE (SNAN_TESTS_PRESERVE_PAYLOAD \
? TEST_NAN_PAYLOAD \
: 0)
#define __CONCATX(a,b) __CONCAT(a,b) #define __CONCATX(a,b) __CONCAT(a,b)
@ -801,6 +808,13 @@ check_float_internal (const char *test_name, FLOAT computed, FLOAT expected,
ok = 0; ok = 0;
printf ("signaling NaN has wrong sign.\n"); printf ("signaling NaN has wrong sign.\n");
} }
else if ((exceptions & TEST_NAN_PAYLOAD) != 0
&& (FUNC (getpayload) (&computed)
!= FUNC (getpayload) (&expected)))
{
ok = 0;
printf ("signaling NaN has wrong payload.\n");
}
else else
ok = 1; ok = 1;
} }
@ -814,6 +828,13 @@ check_float_internal (const char *test_name, FLOAT computed, FLOAT expected,
ok = 0; ok = 0;
printf ("quiet NaN has wrong sign.\n"); printf ("quiet NaN has wrong sign.\n");
} }
else if ((exceptions & TEST_NAN_PAYLOAD) != 0
&& (FUNC (getpayload) (&computed)
!= FUNC (getpayload) (&expected)))
{
ok = 0;
printf ("quiet NaN has wrong payload.\n");
}
else else
ok = 1; ok = 1;
} }
@ -1277,6 +1298,18 @@ struct test_fFF_11_data
FLOAT extra2_expected; FLOAT extra2_expected;
} rd, rn, rz, ru; } rd, rn, rz, ru;
}; };
struct test_Ffp_b1_data
{
const char *arg_str;
FLOAT arg;
struct
{
int expected;
int exceptions;
int extra_test;
FLOAT extra_expected;
} rd, rn, rz, ru;
};
/* Set the rounding mode, or restore the saved value. */ /* Set the rounding mode, or restore the saved value. */
#define IF_ROUND_INIT_ /* Empty. */ #define IF_ROUND_INIT_ /* Empty. */
@ -1550,6 +1583,36 @@ struct test_fFF_11_data
(ARRAY)[i].RM_##ROUNDING_MODE.extra_test, \ (ARRAY)[i].RM_##ROUNDING_MODE.extra_test, \
(ARRAY)[i].RM_##ROUNDING_MODE.extra_expected); \ (ARRAY)[i].RM_##ROUNDING_MODE.extra_expected); \
ROUND_RESTORE_ ## ROUNDING_MODE ROUND_RESTORE_ ## ROUNDING_MODE
#define RUN_TEST_Ffp_b1(ARG_STR, FUNC_NAME, ARG, EXPECTED, \
EXCEPTIONS, EXTRA_VAR, EXTRA_TEST, \
EXTRA_EXPECTED) \
do \
if (enable_test (EXCEPTIONS)) \
{ \
COMMON_TEST_SETUP (ARG_STR); \
(EXTRA_VAR) = (EXTRA_EXPECTED) == 0 ? 1 : 0; \
check_bool (test_name, FUNC_TEST (FUNC_NAME) (&(EXTRA_VAR), \
&(ARG)), \
EXPECTED, EXCEPTIONS); \
EXTRA_OUTPUT_TEST_SETUP (ARG_STR, 1); \
if (EXTRA_TEST) \
check_float (extra1_name, EXTRA_VAR, EXTRA_EXPECTED, \
(EXCEPTIONS) & TEST_NAN_PAYLOAD); \
EXTRA_OUTPUT_TEST_CLEANUP (1); \
COMMON_TEST_CLEANUP; \
} \
while (0)
#define RUN_TEST_LOOP_Ffp_b1(FUNC_NAME, ARRAY, ROUNDING_MODE, \
EXTRA_VAR) \
IF_ROUND_INIT_ ## ROUNDING_MODE \
for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \
RUN_TEST_Ffp_b1 ((ARRAY)[i].arg_str, FUNC_NAME, (ARRAY)[i].arg, \
(ARRAY)[i].RM_##ROUNDING_MODE.expected, \
(ARRAY)[i].RM_##ROUNDING_MODE.exceptions, \
EXTRA_VAR, \
(ARRAY)[i].RM_##ROUNDING_MODE.extra_test, \
(ARRAY)[i].RM_##ROUNDING_MODE.extra_expected); \
ROUND_RESTORE_ ## ROUNDING_MODE
#define RUN_TEST_c_c(ARG_STR, FUNC_NAME, ARGR, ARGC, EXPR, EXPC, \ #define RUN_TEST_c_c(ARG_STR, FUNC_NAME, ARGR, ARGC, EXPR, EXPC, \
EXCEPTIONS) \ EXCEPTIONS) \
do \ do \
@ -3557,6 +3620,71 @@ cacosh_test (void)
} }
static const struct test_Ffp_b1_data canonicalize_test_data[] =
{
TEST_Ffp_b1 (canonicalize, plus_infty, 0, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_Ffp_b1 (canonicalize, minus_infty, 0, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_Ffp_b1 (canonicalize, plus_zero, 0, plus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_Ffp_b1 (canonicalize, minus_zero, 0, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_Ffp_b1 (canonicalize, 1000, 0, 1000, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_Ffp_b1 (canonicalize, max_value, 0, max_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_Ffp_b1 (canonicalize, -max_value, 0, -max_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_Ffp_b1 (canonicalize, min_value, 0, min_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_Ffp_b1 (canonicalize, -min_value, 0, -min_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_Ffp_b1 (canonicalize, min_subnorm_value, 0, min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_Ffp_b1 (canonicalize, -min_subnorm_value, 0, -min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_Ffp_b1 (canonicalize, qnan_value, 0, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD),
TEST_Ffp_b1 (canonicalize, -qnan_value, 0, -qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD),
TEST_Ffp_b1 (canonicalize, snan_value, 0, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
TEST_Ffp_b1 (canonicalize, -snan_value, 0, -qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
#if HIGH_ORDER_BIT_IS_SET_FOR_SNAN
TEST_Ffp_b1 (canonicalize, snan_value_pl ("0x0"), 0, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
TEST_Ffp_b1 (canonicalize, -snan_value_pl ("0x0"), 0, -qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
#else
TEST_Ffp_b1 (canonicalize, qnan_value_pl ("0x0"), 0, qnan_value_pl ("0x0"), NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD),
TEST_Ffp_b1 (canonicalize, -qnan_value_pl ("0x0"), 0, -qnan_value_pl ("0x0"), NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD),
#endif
TEST_Ffp_b1 (canonicalize, qnan_value_pl ("0x1"), 0, qnan_value_pl ("0x1"), NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD),
TEST_Ffp_b1 (canonicalize, -qnan_value_pl ("0x1"), 0, -qnan_value_pl ("0x1"), NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD),
TEST_Ffp_b1 (canonicalize, snan_value_pl ("0x1"), 0, qnan_value_pl ("0x1"), NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD_CANONICALIZE),
TEST_Ffp_b1 (canonicalize, -snan_value_pl ("0x1"), 0, -qnan_value_pl ("0x1"), NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD_CANONICALIZE),
TEST_Ffp_b1 (canonicalize, qnan_value_pl ("0x2"), 0, qnan_value_pl ("0x2"), NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD),
TEST_Ffp_b1 (canonicalize, -qnan_value_pl ("0x2"), 0, -qnan_value_pl ("0x2"), NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD),
TEST_Ffp_b1 (canonicalize, snan_value_pl ("0x2"), 0, qnan_value_pl ("0x2"), NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD_CANONICALIZE),
TEST_Ffp_b1 (canonicalize, -snan_value_pl ("0x2"), 0, -qnan_value_pl ("0x2"), NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD_CANONICALIZE),
TEST_Ffp_b1 (canonicalize, qnan_value_pl ("0x3fffff"), 0, qnan_value_pl ("0x3fffff"), NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD),
TEST_Ffp_b1 (canonicalize, -qnan_value_pl ("0x3fffff"), 0, -qnan_value_pl ("0x3fffff"), NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD),
TEST_Ffp_b1 (canonicalize, snan_value_pl ("0x3fffff"), 0, qnan_value_pl ("0x3fffff"), NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD_CANONICALIZE),
TEST_Ffp_b1 (canonicalize, -snan_value_pl ("0x3fffff"), 0, -qnan_value_pl ("0x3fffff"), NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD_CANONICALIZE),
#if PAYLOAD_DIG >= 51
TEST_Ffp_b1 (canonicalize, qnan_value_pl ("0x7ffffffffffff"), 0, qnan_value_pl ("0x7ffffffffffff"), NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD),
TEST_Ffp_b1 (canonicalize, -qnan_value_pl ("0x7ffffffffffff"), 0, -qnan_value_pl ("0x7ffffffffffff"), NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD),
TEST_Ffp_b1 (canonicalize, snan_value_pl ("0x7ffffffffffff"), 0, qnan_value_pl ("0x7ffffffffffff"), NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD_CANONICALIZE),
TEST_Ffp_b1 (canonicalize, -snan_value_pl ("0x7ffffffffffff"), 0, -qnan_value_pl ("0x7ffffffffffff"), NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD_CANONICALIZE),
#endif
#if PAYLOAD_DIG >= 62
TEST_Ffp_b1 (canonicalize, qnan_value_pl ("0x3fffffffffffffff"), 0, qnan_value_pl ("0x3fffffffffffffff"), NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD),
TEST_Ffp_b1 (canonicalize, -qnan_value_pl ("0x3fffffffffffffff"), 0, -qnan_value_pl ("0x3fffffffffffffff"), NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD),
TEST_Ffp_b1 (canonicalize, snan_value_pl ("0x3fffffffffffffff"), 0, qnan_value_pl ("0x3fffffffffffffff"), NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD_CANONICALIZE),
TEST_Ffp_b1 (canonicalize, -snan_value_pl ("0x3fffffffffffffff"), 0, -qnan_value_pl ("0x3fffffffffffffff"), NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD_CANONICALIZE),
#endif
#if PAYLOAD_DIG >= 111
TEST_Ffp_b1 (canonicalize, qnan_value_pl ("0x7fffffffffffffffffffffffffff"), 0, qnan_value_pl ("0x7fffffffffffffffffffffffffff"), NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD),
TEST_Ffp_b1 (canonicalize, -qnan_value_pl ("0x7fffffffffffffffffffffffffff"), 0, -qnan_value_pl ("0x7fffffffffffffffffffffffffff"), NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD),
TEST_Ffp_b1 (canonicalize, snan_value_pl ("0x7fffffffffffffffffffffffffff"), 0, qnan_value_pl ("0x7fffffffffffffffffffffffffff"), NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD_CANONICALIZE),
TEST_Ffp_b1 (canonicalize, -snan_value_pl ("0x7fffffffffffffffffffffffffff"), 0, -qnan_value_pl ("0x7fffffffffffffffffffffffffff"), NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN|TEST_NAN_PAYLOAD_CANONICALIZE),
#endif
};
static void
canonicalize_test (void)
{
FLOAT x;
ALL_RM_TEST (canonicalize, 1, canonicalize_test_data, RUN_TEST_LOOP_Ffp_b1, END, x);
}
static const struct test_c_f_data carg_test_data[] = static const struct test_c_f_data carg_test_data[] =
{ {
/* carg (x + iy) is specified as atan2 (y, x) */ /* carg (x + iy) is specified as atan2 (y, x) */
@ -13511,6 +13639,9 @@ main (int argc, char **argv)
totalorder_test (); totalorder_test ();
totalordermag_test (); totalordermag_test ();
/* Canonicalize functions: */
canonicalize_test ();
/* NaN functions: */ /* NaN functions: */
getpayload_test (); getpayload_test ();

37
math/s_canonicalize_template.c Normal file
View File

@ -0,0 +1,37 @@
/* Canonicalize floating-point representation.
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 <math.h>
int
M_DECL_FUNC (__canonicalize) (FLOAT *cx, const FLOAT *x)
{
FLOAT val = *x;
/* For all binary formats supported by glibc, iscanonical only fails
if the representation is not a valid representation of the type,
so the only work to do is for signaling NaNs. */
if (!iscanonical (val))
return 1;
if (issignaling (val))
*cx = val + val;
else
*cx = val;
return 0;
}
declare_mgen_alias (__canonicalize, canonicalize)

8
sysdeps/generic/math-tests.h
View File

@ -41,6 +41,14 @@
# define SNAN_TESTS_TYPE_CAST 1 # define SNAN_TESTS_TYPE_CAST 1
#endif #endif
/* Indicate whether operations on signaling NaNs preserve the payload
(if possible; it is not possible with a zero payload if the high
bit is set for signaling NaNs) when generating a quiet NaN, and
this should be tested. */
#ifndef SNAN_TESTS_PRESERVE_PAYLOAD
# define SNAN_TESTS_PRESERVE_PAYLOAD 1
#endif
/* Indicate whether to run tests involving a given rounding mode for a /* Indicate whether to run tests involving a given rounding mode for a
given floating-point type, given that fesetround succeeds for that given floating-point type, given that fesetround succeeds for that
mode. All are run if fesetround succeeds unless overridden. */ mode. All are run if fesetround succeeds unless overridden. */

2
sysdeps/ieee754/ldbl-128ibm/Makefile
View File

@ -11,6 +11,6 @@ endif
ifeq ($(subdir),math) ifeq ($(subdir),math)
tests += test-fmodl-ldbl-128ibm test-remainderl-ldbl-128ibm \ tests += test-fmodl-ldbl-128ibm test-remainderl-ldbl-128ibm \
test-remquol-ldbl-128ibm test-iscanonical-ldbl-128ibm \ test-remquol-ldbl-128ibm test-canonical-ldbl-128ibm \
test-totalorderl-ldbl-128ibm test-totalorderl-ldbl-128ibm
endif endif

5
sysdeps/ieee754/ldbl-128ibm/include/bits/iscanonical.h Normal file
View File

@ -0,0 +1,5 @@
#include_next <bits/iscanonical.h>
#ifndef _ISOMAC
libm_hidden_proto (__iscanonicall)
#endif

1
sysdeps/ieee754/ldbl-128ibm/s_iscanonicall.c
View File

@ -57,3 +57,4 @@ __iscanonicall (long double x)
int expdiff = hexp - lexp; int expdiff = hexp - lexp;
return expdiff > 53 || (expdiff == 53 && low_p2 && (ix & 1) == 0); return expdiff > 53 || (expdiff == 53 && low_p2 && (ix & 1) == 0);
} }
libm_hidden_def (__iscanonicall)

33
sysdeps/ieee754/ldbl-128ibm/test-iscanonical-ldbl-128ibm.c → sysdeps/ieee754/ldbl-128ibm/test-canonical-ldbl-128ibm.c
View File

@ -1,4 +1,4 @@
/* Test iscanonical for ldbl-128ibm. /* Test iscanonical and canonicalizel for ldbl-128ibm.
Copyright (C) 2016 Free Software Foundation, Inc. Copyright (C) 2016 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
@ -188,10 +188,37 @@ do_test (void)
long double ld = ldbl_pack (tests[i].hi, tests[i].lo); long double ld = ldbl_pack (tests[i].hi, tests[i].lo);
bool canonical = iscanonical (ld); bool canonical = iscanonical (ld);
if (canonical == tests[i].canonical) if (canonical == tests[i].canonical)
printf ("PASS: test %zu\n", i); {
printf ("PASS: iscanonical test %zu\n", i);
long double ldc = 12345.0L;
bool canonicalize_ret = canonicalizel (&ldc, &ld);
if (canonicalize_ret == !canonical)
{
printf ("PASS: canonicalizel test %zu\n", i);
bool canon_ok;
if (!canonical)
canon_ok = ldc == 12345.0L;
else if (isnan (ld))
canon_ok = isnan (ldc) && !issignaling (ldc);
else
canon_ok = ldc == ld;
if (canon_ok)
printf ("PASS: canonicalized value test %zu\n", i);
else
{
printf ("FAIL: canonicalized value test %zu\n", i);
result = 1;
}
}
else
{
printf ("FAIL: canonicalizel test %zu\n", i);
result = 1;
}
}
else else
{ {
printf ("FAIL: test %zu\n", i); printf ("FAIL: iscanonical test %zu\n", i);
result = 1; result = 1;
} }
} }

2
sysdeps/ieee754/ldbl-96/Makefile
View File

@ -17,5 +17,5 @@
# <http://www.gnu.org/licenses/>. # <http://www.gnu.org/licenses/>.
ifeq ($(subdir),math) ifeq ($(subdir),math)
tests += test-iscanonical-ldbl-96 test-totalorderl-ldbl-96 tests += test-canonical-ldbl-96 test-totalorderl-ldbl-96
endif endif

5
sysdeps/ieee754/ldbl-96/include/bits/iscanonical.h Normal file
View File

@ -0,0 +1,5 @@
#include_next <bits/iscanonical.h>
#ifndef _ISOMAC
libm_hidden_proto (__iscanonicall)
#endif

1
sysdeps/ieee754/ldbl-96/s_iscanonicall.c
View File

@ -41,3 +41,4 @@ __iscanonicall (long double x)
the high bit to be set. */ the high bit to be set. */
return ix == 0 || ix == 0x7fff || mant_high; return ix == 0 || ix == 0x7fff || mant_high;
} }
libm_hidden_def (__iscanonicall)

33
sysdeps/ieee754/ldbl-96/test-iscanonical-ldbl-96.c → sysdeps/ieee754/ldbl-96/test-canonical-ldbl-96.c
View File

@ -1,4 +1,4 @@
/* Test iscanonical for ldbl-96. /* Test iscanonical and canonicalizel for ldbl-96.
Copyright (C) 2016 Free Software Foundation, Inc. Copyright (C) 2016 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
@ -99,10 +99,37 @@ do_test (void)
tests[i].mantissa & 0xffffffffULL); tests[i].mantissa & 0xffffffffULL);
bool canonical = iscanonical (ld); bool canonical = iscanonical (ld);
if (canonical == tests[i].canonical) if (canonical == tests[i].canonical)
printf ("PASS: test %zu\n", i); {
printf ("PASS: iscanonical test %zu\n", i);
long double ldc = 12345.0L;
bool canonicalize_ret = canonicalizel (&ldc, &ld);
if (canonicalize_ret == !canonical)
{
printf ("PASS: canonicalizel test %zu\n", i);
bool canon_ok;
if (!canonical)
canon_ok = ldc == 12345.0L;
else if (isnan (ld))
canon_ok = isnan (ldc) && !issignaling (ldc);
else
canon_ok = ldc == ld;
if (canon_ok)
printf ("PASS: canonicalized value test %zu\n", i);
else
{
printf ("FAIL: canonicalized value test %zu\n", i);
result = 1;
}
}
else
{
printf ("FAIL: canonicalizel test %zu\n", i);
result = 1;
}
}
else else
{ {
printf ("FAIL: test %zu\n", i); printf ("FAIL: iscanonical test %zu\n", i);
result = 1; result = 1;
} }
} }

4
sysdeps/ieee754/ldbl-opt/Makefile
View File

@ -42,7 +42,8 @@ libnldbl-calls = asprintf dprintf fprintf fscanf fwprintf fwscanf iovfscanf \
isoc99_vscanf isoc99_vfscanf isoc99_vsscanf \ isoc99_vscanf isoc99_vfscanf isoc99_vsscanf \
isoc99_wscanf isoc99_fwscanf isoc99_swscanf \ isoc99_wscanf isoc99_fwscanf isoc99_swscanf \
isoc99_vwscanf isoc99_vfwscanf isoc99_vswscanf \ isoc99_vwscanf isoc99_vfwscanf isoc99_vswscanf \
nextup nextdown totalorder totalordermag getpayload nextup nextdown totalorder totalordermag getpayload \
canonicalize
libnldbl-routines = $(libnldbl-calls:%=nldbl-%) libnldbl-routines = $(libnldbl-calls:%=nldbl-%)
libnldbl-inhibit-o = $(object-suffixes) libnldbl-inhibit-o = $(object-suffixes)
libnldbl-static-only-routines = $(libnldbl-routines) libnldbl-static-only-routines = $(libnldbl-routines)
@ -58,6 +59,7 @@ CFLAGS-nldbl-atanh.c = -fno-builtin-atanhl
CFLAGS-nldbl-cabs.c = -fno-builtin-cabsl CFLAGS-nldbl-cabs.c = -fno-builtin-cabsl
CFLAGS-nldbl-cacos.c = -fno-builtin-cacosl CFLAGS-nldbl-cacos.c = -fno-builtin-cacosl
CFLAGS-nldbl-cacosh.c = -fno-builtin-cacoshl CFLAGS-nldbl-cacosh.c = -fno-builtin-cacoshl
CFLAGS-nldbl-canonicalize.c = -fno-builtin-canonicalizel
CFLAGS-nldbl-carg.c = -fno-builtin-cargl CFLAGS-nldbl-carg.c = -fno-builtin-cargl
CFLAGS-nldbl-casin.c = -fno-builtin-casinl CFLAGS-nldbl-casin.c = -fno-builtin-casinl
CFLAGS-nldbl-casinh.c = -fno-builtin-casinhl CFLAGS-nldbl-casinh.c = -fno-builtin-casinhl

26
sysdeps/ieee754/ldbl-opt/nldbl-canonicalize.c Normal file
View File

@ -0,0 +1,26 @@
/* Compatibility routine for IEEE double as long double for canonicalize.
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"
int
attribute_hidden
canonicalizel (double *cx, double *x)
{
return canonicalize (cx, x);
}

5
sysdeps/ieee754/ldbl-opt/s_canonicalizel.c Normal file
View File

@ -0,0 +1,5 @@
/* canonicalizel 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 <s_canonicalize_template.c>

6
sysdeps/mips/math-tests.h
View File

@ -35,4 +35,10 @@
# define EXCEPTION_TESTS_long_double 0 # define EXCEPTION_TESTS_long_double 0
#endif #endif
/* NaN payload preservation when converting a signaling NaN to quiet
is only required in NAN2008 mode. */
#if defined __mips_hard_float && !defined __mips_nan2008
# define SNAN_TESTS_PRESERVE_PAYLOAD 0
#endif
#include_next <math-tests.h> #include_next <math-tests.h>

3
sysdeps/nacl/libm.abilist
View File

@ -382,6 +382,9 @@ GLIBC_2.24 nextupl F
GLIBC_2.25 GLIBC_2.25 A GLIBC_2.25 GLIBC_2.25 A
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/aarch64/libm.abilist
View File

@ -414,6 +414,9 @@ GLIBC_2.25 GLIBC_2.25 A
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 __iseqsigl F GLIBC_2.25 __iseqsigl F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/alpha/libm.abilist
View File

@ -424,6 +424,9 @@ GLIBC_2.25 GLIBC_2.25 A
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 __iseqsigl F GLIBC_2.25 __iseqsigl F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/arm/libm.abilist
View File

@ -71,6 +71,9 @@ GLIBC_2.24 nextupl F
GLIBC_2.25 GLIBC_2.25 A GLIBC_2.25 GLIBC_2.25 A
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/hppa/libm.abilist
View File

@ -383,6 +383,9 @@ GLIBC_2.24 nextupl F
GLIBC_2.25 GLIBC_2.25 A GLIBC_2.25 GLIBC_2.25 A
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/i386/libm.abilist
View File

@ -427,6 +427,9 @@ GLIBC_2.25 __iscanonicall F
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 __iseqsigl F GLIBC_2.25 __iseqsigl F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/ia64/libm.abilist
View File

@ -356,6 +356,9 @@ GLIBC_2.25 __iscanonicall F
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 __iseqsigl F GLIBC_2.25 __iseqsigl F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist
View File

@ -71,6 +71,9 @@ GLIBC_2.24 nextupl F
GLIBC_2.25 GLIBC_2.25 A GLIBC_2.25 GLIBC_2.25 A
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist
View File

@ -425,6 +425,9 @@ GLIBC_2.25 __iscanonicall F
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 __iseqsigl F GLIBC_2.25 __iseqsigl F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/microblaze/libm.abilist
View File

@ -382,6 +382,9 @@ GLIBC_2.24 nextupl F
GLIBC_2.25 GLIBC_2.25 A GLIBC_2.25 GLIBC_2.25 A
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/mips/mips32/libm.abilist
View File

@ -384,6 +384,9 @@ GLIBC_2.24 nextupl F
GLIBC_2.25 GLIBC_2.25 A GLIBC_2.25 GLIBC_2.25 A
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/mips/mips64/libm.abilist
View File

@ -416,6 +416,9 @@ GLIBC_2.25 GLIBC_2.25 A
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 __iseqsigl F GLIBC_2.25 __iseqsigl F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/nios2/libm.abilist
View File

@ -382,6 +382,9 @@ GLIBC_2.24 nextupl F
GLIBC_2.25 GLIBC_2.25 A GLIBC_2.25 GLIBC_2.25 A
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist
View File

@ -427,6 +427,9 @@ GLIBC_2.25 __iscanonicall F
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 __iseqsigl F GLIBC_2.25 __iseqsigl F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist
View File

@ -426,6 +426,9 @@ GLIBC_2.25 __iscanonicall F
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 __iseqsigl F GLIBC_2.25 __iseqsigl F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist
View File

@ -421,6 +421,9 @@ GLIBC_2.25 __iscanonicall F
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 __iseqsigl F GLIBC_2.25 __iseqsigl F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist
View File

@ -102,6 +102,9 @@ GLIBC_2.25 __iscanonicall F
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 __iseqsigl F GLIBC_2.25 __iseqsigl F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist
View File

@ -414,6 +414,9 @@ GLIBC_2.25 GLIBC_2.25 A
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 __iseqsigl F GLIBC_2.25 __iseqsigl F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist
View File

@ -412,6 +412,9 @@ GLIBC_2.25 GLIBC_2.25 A
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 __iseqsigl F GLIBC_2.25 __iseqsigl F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/sh/libm.abilist
View File

@ -383,6 +383,9 @@ GLIBC_2.24 nextupl F
GLIBC_2.25 GLIBC_2.25 A GLIBC_2.25 GLIBC_2.25 A
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist
View File

@ -417,6 +417,9 @@ GLIBC_2.25 GLIBC_2.25 A
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 __iseqsigl F GLIBC_2.25 __iseqsigl F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist
View File

@ -415,6 +415,9 @@ GLIBC_2.25 GLIBC_2.25 A
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 __iseqsigl F GLIBC_2.25 __iseqsigl F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist
View File

@ -383,6 +383,9 @@ GLIBC_2.24 nextupl F
GLIBC_2.25 GLIBC_2.25 A GLIBC_2.25 GLIBC_2.25 A
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist
View File

@ -383,6 +383,9 @@ GLIBC_2.24 nextupl F
GLIBC_2.25 GLIBC_2.25 A GLIBC_2.25 GLIBC_2.25 A
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist
View File

@ -383,6 +383,9 @@ GLIBC_2.24 nextupl F
GLIBC_2.25 GLIBC_2.25 A GLIBC_2.25 GLIBC_2.25 A
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/x86_64/64/libm.abilist
View File

@ -416,6 +416,9 @@ GLIBC_2.25 __iscanonicall F
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 __iseqsigl F GLIBC_2.25 __iseqsigl F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F

3
sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist
View File

@ -415,6 +415,9 @@ GLIBC_2.25 __iscanonicall F
GLIBC_2.25 __iseqsig F GLIBC_2.25 __iseqsig F
GLIBC_2.25 __iseqsigf F GLIBC_2.25 __iseqsigf F
GLIBC_2.25 __iseqsigl F GLIBC_2.25 __iseqsigl F
GLIBC_2.25 canonicalize F
GLIBC_2.25 canonicalizef F
GLIBC_2.25 canonicalizel F
GLIBC_2.25 fegetmode F GLIBC_2.25 fegetmode F
GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetexcept F
GLIBC_2.25 fesetmode F GLIBC_2.25 fesetmode F