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90f0ac10a7
C2X adds new <math.h> functions for floating-point maximum and minimum, corresponding to the new operations that were added in IEEE 754-2019 because of concerns about the old operations not being associative in the presence of signaling NaNs. fmaximum and fminimum handle NaNs like most <math.h> functions (any NaN argument means the result is a quiet NaN). fmaximum_num and fminimum_num handle both quiet and signaling NaNs the way fmax and fmin handle quiet NaNs (if one argument is a number and the other is a NaN, return the number), but still raise "invalid" for a signaling NaN argument, making them exceptions to the normal rule that a function with a floating-point result raising "invalid" also returns a quiet NaN. fmaximum_mag, fminimum_mag, fmaximum_mag_num and fminimum_mag_num are corresponding functions returning the argument with greatest or least absolute value. All these functions also treat +0 as greater than -0. There are also corresponding <tgmath.h> type-generic macros. Add these functions to glibc. The implementations use type-generic templates based on those for fmax, fmin, fmaxmag and fminmag, and test inputs are based on those for those functions with appropriate adjustments to the expected results. The RISC-V maintainers might wish to add optimized versions of fmaximum_num and fminimum_num (for float and double), since RISC-V (F extension version 2.2 and later) provides instructions corresponding to those functions - though it might be at least as useful to add architecture-independent built-in functions to GCC and teach the RISC-V back end to expand those functions inline, which is what you generally want for functions that can be implemented with a single instruction. Tested for x86_64 and x86, and with build-many-glibcs.py.
633 lines
17 KiB
Plaintext
633 lines
17 KiB
Plaintext
%include <float128-abi.h>
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libc {
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GLIBC_2.0 {
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# functions used in inline functions or macros
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__isnan; __isnanf; __isnanl; __finite; __finitef; __finitel;
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__isinf; __isinff; __isinfl;
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# global variables
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__fpu_control;
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# c*
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copysign; copysignf; copysignl;
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# f*
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finite; finitef; finitel; frexp; frexpf; frexpl;
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# i*
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isinf; isinff; isinfl; isnan; isnanf; isnanl; ldexp; ldexpf; ldexpl;
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# m*
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modf; modff; modfl;
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# s*
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scalbn; scalbnf; scalbnl;
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}
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GLIBC_2.1 {
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# functions used in inline functions or macros
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__signbit; __signbitf; __signbitl;
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# s*
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scalbln; scalblnf; scalblnl;
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}
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GLIBC_2.20 {
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}
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}
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libm {
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GLIBC_2.0 {
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# mathematical functions
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acos; acosf; acosl;
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acosh; acoshf; acoshl;
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asin; asinf; asinl;
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asinh; asinhf; asinhl;
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atan2; atan2f; atan2l;
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atan; atanf; atanl;
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atanh; atanhf; atanhl;
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cbrt; cbrtf; cbrtl;
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ceil; ceilf; ceill;
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copysign; copysignf; copysignl;
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cos; cosf; cosl;
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coshf; cosh; coshl;
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drem; dremf; dreml;
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erf; erff; erfl;
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erfc; erfcf; erfcl;
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exp; expf; expl;
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expm1; expm1f; expm1l;
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fabs; fabsf; fabsl;
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finite; finitef; finitel;
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floor; floorf; floorl;
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fmod; fmodf; fmodl;
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frexp; frexpf; frexpl;
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gamma; gammaf; gammal;
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gamma_r; gammaf_r; gammal_r;
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hypot; hypotf; hypotl;
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ilogb; ilogbf; ilogbl;
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j0; j0f; j0l;
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j1; j1f; j1l;
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jn; jnf; jnl;
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ldexp; ldexpf; ldexpl;
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lgamma; lgammaf; lgammal;
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lgamma_r; lgammaf_r; lgammal_r;
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log10; log10f; log10l;
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log1p; log1pf; log1pl;
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log; logf; logl;
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logb; logbf; logbl;
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matherr;
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modf; modff; modfl;
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nextafter; nextafterf; nextafterl;
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pow; powf; powl;
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remainder; remainderf; remainderl;
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rint; rintf; rintl;
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scalb; scalbf; scalbl;
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scalbn; scalbnf; scalbnl;
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significand; significandf; significandl;
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sin; sinf; sinl;
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sinh; sinhf; sinhl;
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sqrt; sqrtf; sqrtl;
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tan; tanf; tanl;
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tanh; tanhf; tanhl;
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y0; y0f; y0l;
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y1; y1f; y1l;
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yn; ynf; ynl;
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# global variables
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_LIB_VERSION; signgam;
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}
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GLIBC_2.1 {
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# mathematical functions
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exp2; exp2f; # exp2l; -- bug omitted this until GLIBC_2.4 (below)
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exp10; exp10f; exp10l;
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fdim; fdimf; fdiml;
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fma; fmaf; fmal;
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fmax; fmaxf; fmaxl;
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fmin; fminf; fminl;
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log2; log2f; log2l;
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nan; nanf; nanl;
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nearbyint; nearbyintf; nearbyintl;
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nexttoward; nexttowardf; nexttowardl;
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pow10; pow10f; pow10l;
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remquo; remquof; remquol;
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lrint; lrintf; lrintl;
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llrint; llrintf; llrintl;
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round; roundf; roundl;
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lround; lroundf; lroundl;
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llround; llroundf; llroundl;
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scalbln; scalblnf; scalblnl;
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sincos; sincosf; sincosl;
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trunc; truncf; truncl;
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tgamma; tgammaf; tgammal;
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# complex functions
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cabs; cabsf; cabsl;
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cacos; cacosf; cacosl;
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cacosh; cacoshf; cacoshl;
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carg; cargf; cargl;
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casin; casinf; casinl;
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casinh; casinhf; casinhl;
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catan; catanf; catanl;
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catanh; catanhf; catanhl;
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ccos; ccosf; ccosl;
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ccosh; ccoshf; ccoshl;
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cexp; cexpf; cexpl;
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cimag; cimagf; cimagl;
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clog; clogf; clogl;
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clog10; clog10f; clog10l;
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__clog10; __clog10f; __clog10l;
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conj; conjf; conjl;
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cpow; cpowf; cpowl;
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cproj; cprojf; cprojl;
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creal; crealf; creall;
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csin; csinf; csinl;
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csinh; csinhf; csinhl;
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csqrt; csqrtf; csqrtl;
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ctan; ctanf; ctanl;
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ctanh; ctanhf; ctanhl;
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# fp environment functions
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feclearexcept; fegetenv; fegetexceptflag;
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fegetround; feholdexcept; feraiseexcept;
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fesetenv; fesetexceptflag; fesetround;
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fetestexcept; feupdateenv;
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# functions used in inline functions or macros
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__finite; __finitef; __finitel;
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__fpclassify; __fpclassifyf; __fpclassifyl;
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__signbit; __signbitf; __signbitl;
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}
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GLIBC_2.2 {
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# fp environment functions changes from ISO C99 TR1
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feclearexcept; fegetenv; fegetexceptflag; feraiseexcept;
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fesetenv; fesetexceptflag; feupdateenv;
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# fp environment function
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feenableexcept; fedisableexcept; fegetexcept;
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}
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GLIBC_2.4 {
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# A bug in sysdeps/generic/w_exp2.c kept this from appearing
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# in GLIBC_2.1 as it should have on platforms using that
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# implementation file. On others, sysdeps/CPU/Versions now
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# puts exp2l in GLIBC_2.1, which will override this entry.
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exp2l;
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}
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GLIBC_2.15 {
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# Optimized -ffinite-math-only entry points
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__acos_finite; __acosf_finite; __acosl_finite;
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__acosh_finite; __acoshf_finite; __acoshl_finite;
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__asin_finite; __asinf_finite; __asinl_finite;
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__atan2_finite; __atan2f_finite; __atan2l_finite;
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__atanh_finite; __atanhf_finite; __atanhl_finite;
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__cosh_finite; __coshf_finite; __coshl_finite;
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__exp10_finite; __exp10f_finite; __exp10l_finite;
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__exp2_finite; __exp2f_finite; __exp2l_finite;
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__fmod_finite; __fmodf_finite; __fmodl_finite;
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__hypot_finite; __hypotf_finite; __hypotl_finite;
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__j0_finite; __j0f_finite; __j0l_finite;
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__y0_finite; __y0f_finite; __y0l_finite;
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__j1_finite; __j1f_finite; __j1l_finite;
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__y1_finite; __y1f_finite; __y1l_finite;
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__jn_finite; __jnf_finite; __jnl_finite;
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__yn_finite; __ynf_finite; __ynl_finite;
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__lgamma_r_finite; __lgammaf_r_finite; __lgammal_r_finite;
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__log_finite; __logf_finite; __logl_finite;
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__log10_finite; __log10f_finite; __log10l_finite;
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__log2_finite; __log2f_finite; __log2l_finite;
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__pow_finite; __powf_finite; __powl_finite;
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__remainder_finite; __remainderf_finite; __remainderl_finite;
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__scalb_finite; __scalbf_finite; __scalbl_finite;
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__sinh_finite; __sinhf_finite; __sinhl_finite;
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__sqrt_finite; __sqrtf_finite; __sqrtl_finite;
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__gamma_r_finite; __gammaf_r_finite; __gammal_r_finite;
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__exp_finite; __expf_finite; __expl_finite;
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}
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GLIBC_2.18 {
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__issignaling; __issignalingf; __issignalingl;
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}
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GLIBC_2.23 {
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# The __signgam name must be exported for the signgam weak alias
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# to work. New symbol versions of lgamma* that set __signgam are
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# needed to preserve compatibility with old binaries that have a
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# dynamic symbol for signgam but not __signgam.
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lgamma; lgammaf; lgammal; __signgam;
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}
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GLIBC_2.24 {
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nextup; nextupf; nextupl;
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nextdown; nextdownf; nextdownl;
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}
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GLIBC_2.25 {
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fesetexcept; fetestexceptflag; fegetmode; fesetmode;
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__iscanonicall; __iseqsigf; __iseqsig; __iseqsigl;
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totalorder; totalorderf; totalorderl;
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totalordermag; totalordermagf; totalordermagl;
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getpayload; getpayloadf; getpayloadl;
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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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fmaxmag; fmaxmagf; fmaxmagl; fminmag; fminmagf; fminmagl;
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roundeven; roundevenf; roundevenl;
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fromfp; fromfpf; fromfpl; ufromfp; ufromfpf; ufromfpl;
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fromfpx; fromfpxf; fromfpxl; ufromfpx; ufromfpxf; ufromfpxl;
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}
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%ifdef FLOAT128_VERSION
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FLOAT128_VERSION {
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acosf128;
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acoshf128;
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asinf128;
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asinhf128;
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atan2f128;
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atanf128;
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atanhf128;
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cabsf128;
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cacosf128;
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cacoshf128;
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canonicalizef128;
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cargf128;
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casinf128;
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casinhf128;
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catanf128;
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catanhf128;
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cbrtf128;
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ccosf128;
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ccoshf128;
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ceilf128;
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cexpf128;
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cimagf128;
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clog10f128;
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clogf128;
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conjf128;
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copysignf128;
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cosf128;
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coshf128;
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cpowf128;
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cprojf128;
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crealf128;
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csinf128;
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csinhf128;
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csqrtf128;
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ctanf128;
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ctanhf128;
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erfcf128;
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erff128;
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exp10f128;
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exp2f128;
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expf128;
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expm1f128;
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fabsf128;
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fdimf128;
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floorf128;
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fmaf128;
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fmaxf128;
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fmaxmagf128;
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fminf128;
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fminmagf128;
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fmodf128;
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frexpf128;
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fromfpf128;
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fromfpxf128;
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getpayloadf128;
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hypotf128;
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ilogbf128;
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j0f128;
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j1f128;
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jnf128;
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ldexpf128;
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lgammaf128;
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lgammaf128_r;
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llogbf128;
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llrintf128;
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llroundf128;
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log10f128;
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log1pf128;
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log2f128;
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logbf128;
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logf128;
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lrintf128;
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lroundf128;
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modff128;
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nanf128;
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nearbyintf128;
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nextafterf128;
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nextdownf128;
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nextupf128;
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powf128;
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remainderf128;
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remquof128;
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rintf128;
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roundevenf128;
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roundf128;
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scalblnf128;
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scalbnf128;
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setpayloadf128;
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setpayloadsigf128;
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sincosf128;
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sinf128;
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sinhf128;
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sqrtf128;
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tanf128;
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tanhf128;
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tgammaf128;
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totalorderf128;
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totalordermagf128;
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truncf128;
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ufromfpf128;
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ufromfpxf128;
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y0f128;
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y1f128;
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ynf128;
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}
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%endif
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GLIBC_2.27 {
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expf; exp2f; logf; log2f; powf;
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# _Float64x functions, only present for some configurations.
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acosf64x;
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acoshf64x;
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asinf64x;
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asinhf64x;
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atan2f64x;
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atanf64x;
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atanhf64x;
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cabsf64x;
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cacosf64x;
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cacoshf64x;
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canonicalizef64x;
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cargf64x;
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casinf64x;
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casinhf64x;
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catanf64x;
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catanhf64x;
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cbrtf64x;
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ccosf64x;
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ccoshf64x;
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ceilf64x;
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cexpf64x;
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cimagf64x;
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clog10f64x;
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clogf64x;
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conjf64x;
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copysignf64x;
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cosf64x;
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coshf64x;
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cpowf64x;
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cprojf64x;
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crealf64x;
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csinf64x;
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csinhf64x;
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csqrtf64x;
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ctanf64x;
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ctanhf64x;
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erfcf64x;
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erff64x;
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exp10f64x;
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exp2f64x;
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expf64x;
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expm1f64x;
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fabsf64x;
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fdimf64x;
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floorf64x;
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fmaf64x;
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fmaxf64x;
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fmaxmagf64x;
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fminf64x;
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fminmagf64x;
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fmodf64x;
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frexpf64x;
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fromfpf64x;
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fromfpxf64x;
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getpayloadf64x;
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hypotf64x;
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ilogbf64x;
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j0f64x;
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j1f64x;
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jnf64x;
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ldexpf64x;
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lgammaf64x;
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lgammaf64x_r;
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llogbf64x;
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llrintf64x;
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llroundf64x;
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log10f64x;
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log1pf64x;
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log2f64x;
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logbf64x;
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logf64x;
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lrintf64x;
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lroundf64x;
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modff64x;
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nanf64x;
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nearbyintf64x;
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nextafterf64x;
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nextdownf64x;
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nextupf64x;
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powf64x;
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remainderf64x;
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remquof64x;
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rintf64x;
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roundevenf64x;
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roundf64x;
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scalblnf64x;
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scalbnf64x;
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setpayloadf64x;
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setpayloadsigf64x;
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sincosf64x;
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sinf64x;
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sinhf64x;
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sqrtf64x;
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tanf64x;
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tanhf64x;
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tgammaf64x;
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totalorderf64x;
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totalordermagf64x;
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truncf64x;
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ufromfpf64x;
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ufromfpxf64x;
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y0f64x;
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y1f64x;
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ynf64x;
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# _Float32, _Float64 and _Float32x functions, for all configurations.
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acosf32; acosf64; acosf32x;
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acoshf32; acoshf64; acoshf32x;
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asinf32; asinf64; asinf32x;
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asinhf32; asinhf64; asinhf32x;
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atan2f32; atan2f64; atan2f32x;
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atanf32; atanf64; atanf32x;
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atanhf32; atanhf64; atanhf32x;
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cabsf32; cabsf64; cabsf32x;
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cacosf32; cacosf64; cacosf32x;
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cacoshf32; cacoshf64; cacoshf32x;
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canonicalizef32; canonicalizef64; canonicalizef32x;
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cargf32; cargf64; cargf32x;
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casinf32; casinf64; casinf32x;
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casinhf32; casinhf64; casinhf32x;
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catanf32; catanf64; catanf32x;
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catanhf32; catanhf64; catanhf32x;
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cbrtf32; cbrtf64; cbrtf32x;
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ccosf32; ccosf64; ccosf32x;
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ccoshf32; ccoshf64; ccoshf32x;
|
|
ceilf32; ceilf64; ceilf32x;
|
|
cexpf32; cexpf64; cexpf32x;
|
|
cimagf32; cimagf64; cimagf32x;
|
|
clog10f32; clog10f64; clog10f32x;
|
|
clogf32; clogf64; clogf32x;
|
|
conjf32; conjf64; conjf32x;
|
|
copysignf32; copysignf64; copysignf32x;
|
|
cosf32; cosf64; cosf32x;
|
|
coshf32; coshf64; coshf32x;
|
|
cpowf32; cpowf64; cpowf32x;
|
|
cprojf32; cprojf64; cprojf32x;
|
|
crealf32; crealf64; crealf32x;
|
|
csinf32; csinf64; csinf32x;
|
|
csinhf32; csinhf64; csinhf32x;
|
|
csqrtf32; csqrtf64; csqrtf32x;
|
|
ctanf32; ctanf64; ctanf32x;
|
|
ctanhf32; ctanhf64; ctanhf32x;
|
|
erfcf32; erfcf64; erfcf32x;
|
|
erff32; erff64; erff32x;
|
|
exp10f32; exp10f64; exp10f32x;
|
|
exp2f32; exp2f64; exp2f32x;
|
|
expf32; expf64; expf32x;
|
|
expm1f32; expm1f64; expm1f32x;
|
|
fabsf32; fabsf64; fabsf32x;
|
|
fdimf32; fdimf64; fdimf32x;
|
|
floorf32; floorf64; floorf32x;
|
|
fmaf32; fmaf64; fmaf32x;
|
|
fmaxf32; fmaxf64; fmaxf32x;
|
|
fmaxmagf32; fmaxmagf64; fmaxmagf32x;
|
|
fminf32; fminf64; fminf32x;
|
|
fminmagf32; fminmagf64; fminmagf32x;
|
|
fmodf32; fmodf64; fmodf32x;
|
|
frexpf32; frexpf64; frexpf32x;
|
|
fromfpf32; fromfpf64; fromfpf32x;
|
|
fromfpxf32; fromfpxf64; fromfpxf32x;
|
|
getpayloadf32; getpayloadf64; getpayloadf32x;
|
|
hypotf32; hypotf64; hypotf32x;
|
|
ilogbf32; ilogbf64; ilogbf32x;
|
|
j0f32; j0f64; j0f32x;
|
|
j1f32; j1f64; j1f32x;
|
|
jnf32; jnf64; jnf32x;
|
|
ldexpf32; ldexpf64; ldexpf32x;
|
|
lgammaf32; lgammaf64; lgammaf32x;
|
|
lgammaf32_r; lgammaf64_r; lgammaf32x_r;
|
|
llogbf32; llogbf64; llogbf32x;
|
|
llrintf32; llrintf64; llrintf32x;
|
|
llroundf32; llroundf64; llroundf32x;
|
|
log10f32; log10f64; log10f32x;
|
|
log1pf32; log1pf64; log1pf32x;
|
|
log2f32; log2f64; log2f32x;
|
|
logbf32; logbf64; logbf32x;
|
|
logf32; logf64; logf32x;
|
|
lrintf32; lrintf64; lrintf32x;
|
|
lroundf32; lroundf64; lroundf32x;
|
|
modff32; modff64; modff32x;
|
|
nanf32; nanf64; nanf32x;
|
|
nearbyintf32; nearbyintf64; nearbyintf32x;
|
|
nextafterf32; nextafterf64; nextafterf32x;
|
|
nextdownf32; nextdownf64; nextdownf32x;
|
|
nextupf32; nextupf64; nextupf32x;
|
|
powf32; powf64; powf32x;
|
|
remainderf32; remainderf64; remainderf32x;
|
|
remquof32; remquof64; remquof32x;
|
|
rintf32; rintf64; rintf32x;
|
|
roundevenf32; roundevenf64; roundevenf32x;
|
|
roundf32; roundf64; roundf32x;
|
|
scalblnf32; scalblnf64; scalblnf32x;
|
|
scalbnf32; scalbnf64; scalbnf32x;
|
|
setpayloadf32; setpayloadf64; setpayloadf32x;
|
|
setpayloadsigf32; setpayloadsigf64; setpayloadsigf32x;
|
|
sincosf32; sincosf64; sincosf32x;
|
|
sinf32; sinf64; sinf32x;
|
|
sinhf32; sinhf64; sinhf32x;
|
|
sqrtf32; sqrtf64; sqrtf32x;
|
|
tanf32; tanf64; tanf32x;
|
|
tanhf32; tanhf64; tanhf32x;
|
|
tgammaf32; tgammaf64; tgammaf32x;
|
|
totalorderf32; totalorderf64; totalorderf32x;
|
|
totalordermagf32; totalordermagf64; totalordermagf32x;
|
|
truncf32; truncf64; truncf32x;
|
|
ufromfpf32; ufromfpf64; ufromfpf32x;
|
|
ufromfpxf32; ufromfpxf64; ufromfpxf32x;
|
|
y0f32; y0f64; y0f32x;
|
|
y1f32; y1f64; y1f32x;
|
|
ynf32; ynf64; ynf32x;
|
|
}
|
|
GLIBC_2.28 {
|
|
# Functions not involving _Float64x or _Float128, for all configurations.
|
|
fadd; faddl; daddl;
|
|
f32addf32x; f32addf64; f32xaddf64;
|
|
fdiv; fdivl; ddivl;
|
|
f32divf32x; f32divf64; f32xdivf64;
|
|
fmul; fmull; dmull;
|
|
f32mulf32x; f32mulf64; f32xmulf64;
|
|
fsub; fsubl; dsubl;
|
|
f32subf32x; f32subf64; f32xsubf64;
|
|
# Functions involving _Float64x or _Float128, for some configurations.
|
|
f32addf64x; f32addf128;
|
|
f32xaddf64x; f32xaddf128; f64addf64x; f64addf128;
|
|
f64xaddf128;
|
|
f32divf64x; f32divf128;
|
|
f32xdivf64x; f32xdivf128; f64divf64x; f64divf128;
|
|
f64xdivf128;
|
|
f32mulf64x; f32mulf128;
|
|
f32xmulf64x; f32xmulf128; f64mulf64x; f64mulf128;
|
|
f64xmulf128;
|
|
f32subf64x; f32subf128;
|
|
f32xsubf64x; f32xsubf128; f64subf64x; f64subf128;
|
|
f64xsubf128;
|
|
}
|
|
GLIBC_2.29 {
|
|
# No SVID compatible error handling.
|
|
exp; exp2; log; log2; pow;
|
|
}
|
|
GLIBC_2.31 {
|
|
# totalorder changed to take pointer arguments.
|
|
totalorder; totalorderf; totalorderl;
|
|
totalordermag; totalordermagf; totalordermagl;
|
|
totalorderf32; totalorderf64; totalorderf32x;
|
|
totalordermagf32; totalordermagf64; totalordermagf32x;
|
|
totalorderf64x;
|
|
totalordermagf64x;
|
|
totalorderf128;
|
|
totalordermagf128;
|
|
}
|
|
GLIBC_2.32 {
|
|
exp10f;
|
|
}
|
|
GLIBC_2.35 {
|
|
# Functions not involving _Float64x or _Float128, for all configurations.
|
|
ffma; ffmal; dfmal;
|
|
f32fmaf32x; f32fmaf64; f32xfmaf64;
|
|
fsqrt; fsqrtl; dsqrtl;
|
|
f32sqrtf32x; f32sqrtf64; f32xsqrtf64;
|
|
fmaximum; fmaximumf; fmaximuml; fmaximumf32; fmaximumf64; fmaximumf32x;
|
|
fmaximum_num; fmaximum_numf; fmaximum_numl;
|
|
fmaximum_numf32; fmaximum_numf64; fmaximum_numf32x;
|
|
fmaximum_mag; fmaximum_magf; fmaximum_magl;
|
|
fmaximum_magf32; fmaximum_magf64; fmaximum_magf32x;
|
|
fmaximum_mag_num; fmaximum_mag_numf; fmaximum_mag_numl;
|
|
fmaximum_mag_numf32; fmaximum_mag_numf64; fmaximum_mag_numf32x;
|
|
fminimum; fminimumf; fminimuml; fminimumf32; fminimumf64; fminimumf32x;
|
|
fminimum_num; fminimum_numf; fminimum_numl;
|
|
fminimum_numf32; fminimum_numf64; fminimum_numf32x;
|
|
fminimum_mag; fminimum_magf; fminimum_magl;
|
|
fminimum_magf32; fminimum_magf64; fminimum_magf32x;
|
|
fminimum_mag_num; fminimum_mag_numf; fminimum_mag_numl;
|
|
fminimum_mag_numf32; fminimum_mag_numf64; fminimum_mag_numf32x;
|
|
# Functions involving _Float64x or _Float128, for some configurations.
|
|
f32fmaf64x; f32fmaf128;
|
|
f32xfmaf64x; f32xfmaf128; f64fmaf64x; f64fmaf128;
|
|
f64xfmaf128;
|
|
f32sqrtf64x; f32sqrtf128;
|
|
f32xsqrtf64x; f32xsqrtf128; f64sqrtf64x; f64sqrtf128;
|
|
f64xsqrtf128;
|
|
fmaximumf64x; fmaximumf128;
|
|
fmaximum_numf64x; fmaximum_numf128;
|
|
fmaximum_magf64x; fmaximum_magf128;
|
|
fmaximum_mag_numf64x; fmaximum_mag_numf128;
|
|
fminimumf64x; fminimumf128;
|
|
fminimum_numf64x; fminimum_numf128;
|
|
fminimum_magf64x; fminimum_magf128;
|
|
fminimum_mag_numf64x; fminimum_mag_numf128;
|
|
}
|
|
}
|