| Linux Standard Base Core Specification for X86 | ||
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Table 10-36 defines the library name and shared object name for the libm library
The behavior of the interfaces in this library is specified by the following specifications:
| [LSB] LSB Core - Generic |
| [SUSv3] POSIX 1003.1-2001 (ISO/IEC 9945-2003) |
| [SUSv4] POSIX 1003.1-2008 (ISO/IEC 9945-2009) |
An LSB conforming implementation shall provide the architecture specific functions for Math specified in Table 10-37, with the full mandatory functionality as described in the referenced underlying specification.
Table 10-37. libm - Math Function Interfaces
| __finite(GLIBC_2.1) [LSB] | __finitef(GLIBC_2.1) [LSB] | __finitel(GLIBC_2.1) [LSB] | __fpclassify(GLIBC_2.1) [LSB] |
| __fpclassifyf(GLIBC_2.1) [LSB] | __fpclassifyl(GLIBC_2.1) [LSB] | __signbit(GLIBC_2.1) [LSB] | __signbitf(GLIBC_2.1) [LSB] |
| __signbitl(GLIBC_2.1) [LSB] | acos(GLIBC_2.0) [SUSv4] | acosf(GLIBC_2.0) [SUSv4] | acosh(GLIBC_2.0) [SUSv4] |
| acoshf(GLIBC_2.0) [SUSv4] | acoshl(GLIBC_2.0) [SUSv4] | acosl(GLIBC_2.0) [SUSv4] | asin(GLIBC_2.0) [SUSv4] |
| asinf(GLIBC_2.0) [SUSv4] | asinh(GLIBC_2.0) [SUSv4] | asinhf(GLIBC_2.0) [SUSv4] | asinhl(GLIBC_2.0) [SUSv4] |
| asinl(GLIBC_2.0) [SUSv4] | atan(GLIBC_2.0) [SUSv4] | atan2(GLIBC_2.0) [SUSv4] | atan2f(GLIBC_2.0) [SUSv4] |
| atan2l(GLIBC_2.0) [SUSv4] | atanf(GLIBC_2.0) [SUSv4] | atanh(GLIBC_2.0) [SUSv4] | atanhf(GLIBC_2.0) [SUSv4] |
| atanhl(GLIBC_2.0) [SUSv4] | atanl(GLIBC_2.0) [SUSv4] | cabs(GLIBC_2.1) [SUSv4] | cabsf(GLIBC_2.1) [SUSv4] |
| cabsl(GLIBC_2.1) [SUSv4] | cacos(GLIBC_2.1) [SUSv4] | cacosf(GLIBC_2.1) [SUSv4] | cacosh(GLIBC_2.1) [SUSv4] |
| cacoshf(GLIBC_2.1) [SUSv4] | cacoshl(GLIBC_2.1) [SUSv4] | cacosl(GLIBC_2.1) [SUSv4] | carg(GLIBC_2.1) [SUSv4] |
| cargf(GLIBC_2.1) [SUSv4] | cargl(GLIBC_2.1) [SUSv4] | casin(GLIBC_2.1) [SUSv4] | casinf(GLIBC_2.1) [SUSv4] |
| casinh(GLIBC_2.1) [SUSv4] | casinhf(GLIBC_2.1) [SUSv4] | casinhl(GLIBC_2.1) [SUSv4] | casinl(GLIBC_2.1) [SUSv4] |
| catan(GLIBC_2.1) [SUSv4] | catanf(GLIBC_2.1) [SUSv4] | catanh(GLIBC_2.1) [SUSv4] | catanhf(GLIBC_2.1) [SUSv4] |
| catanhl(GLIBC_2.1) [SUSv4] | catanl(GLIBC_2.1) [SUSv4] | cbrt(GLIBC_2.0) [SUSv4] | cbrtf(GLIBC_2.0) [SUSv4] |
| cbrtl(GLIBC_2.0) [SUSv4] | ccos(GLIBC_2.1) [SUSv4] | ccosf(GLIBC_2.1) [SUSv4] | ccosh(GLIBC_2.1) [SUSv4] |
| ccoshf(GLIBC_2.1) [SUSv4] | ccoshl(GLIBC_2.1) [SUSv4] | ccosl(GLIBC_2.1) [SUSv4] | ceil(GLIBC_2.0) [SUSv4] |
| ceilf(GLIBC_2.0) [SUSv4] | ceill(GLIBC_2.0) [SUSv4] | cexp(GLIBC_2.1) [SUSv4] | cexpf(GLIBC_2.1) [SUSv4] |
| cexpl(GLIBC_2.1) [SUSv4] | cimag(GLIBC_2.1) [SUSv4] | cimagf(GLIBC_2.1) [SUSv4] | cimagl(GLIBC_2.1) [SUSv4] |
| clog(GLIBC_2.1) [SUSv4] | clog10(GLIBC_2.1) [LSB] | clog10f(GLIBC_2.1) [LSB] | clog10l(GLIBC_2.1) [LSB] |
| clogf(GLIBC_2.1) [SUSv4] | clogl(GLIBC_2.1) [SUSv4] | conj(GLIBC_2.1) [SUSv4] | conjf(GLIBC_2.1) [SUSv4] |
| conjl(GLIBC_2.1) [SUSv4] | copysign(GLIBC_2.0) [SUSv4] | copysignf(GLIBC_2.0) [SUSv4] | copysignl(GLIBC_2.0) [SUSv4] |
| cos(GLIBC_2.0) [SUSv4] | cosf(GLIBC_2.0) [SUSv4] | cosh(GLIBC_2.0) [SUSv4] | coshf(GLIBC_2.0) [SUSv4] |
| coshl(GLIBC_2.0) [SUSv4] | cosl(GLIBC_2.0) [SUSv4] | cpow(GLIBC_2.1) [SUSv4] | cpowf(GLIBC_2.1) [SUSv4] |
| cpowl(GLIBC_2.1) [SUSv4] | cproj(GLIBC_2.1) [SUSv4] | cprojf(GLIBC_2.1) [SUSv4] | cprojl(GLIBC_2.1) [SUSv4] |
| creal(GLIBC_2.1) [SUSv4] | crealf(GLIBC_2.1) [SUSv4] | creall(GLIBC_2.1) [SUSv4] | csin(GLIBC_2.1) [SUSv4] |
| csinf(GLIBC_2.1) [SUSv4] | csinh(GLIBC_2.1) [SUSv4] | csinhf(GLIBC_2.1) [SUSv4] | csinhl(GLIBC_2.1) [SUSv4] |
| csinl(GLIBC_2.1) [SUSv4] | csqrt(GLIBC_2.1) [SUSv4] | csqrtf(GLIBC_2.1) [SUSv4] | csqrtl(GLIBC_2.1) [SUSv4] |
| ctan(GLIBC_2.1) [SUSv4] | ctanf(GLIBC_2.1) [SUSv4] | ctanh(GLIBC_2.1) [SUSv4] | ctanhf(GLIBC_2.1) [SUSv4] |
| ctanhl(GLIBC_2.1) [SUSv4] | ctanl(GLIBC_2.1) [SUSv4] | drem(GLIBC_2.0) [LSB] | dremf(GLIBC_2.0) [LSB] |
| dreml(GLIBC_2.0) [LSB] | erf(GLIBC_2.0) [SUSv4] | erfc(GLIBC_2.0) [SUSv4] | erfcf(GLIBC_2.0) [SUSv4] |
| erfcl(GLIBC_2.0) [SUSv4] | erff(GLIBC_2.0) [SUSv4] | erfl(GLIBC_2.0) [SUSv4] | exp(GLIBC_2.0) [SUSv4] |
| exp10(GLIBC_2.1) [LSB] | exp10f(GLIBC_2.1) [LSB] | exp10l(GLIBC_2.1) [LSB] | exp2(GLIBC_2.1) [SUSv4] |
| exp2f(GLIBC_2.1) [SUSv4] | exp2l(GLIBC_2.1) [SUSv4] | expf(GLIBC_2.0) [SUSv4] | expl(GLIBC_2.0) [SUSv4] |
| expm1(GLIBC_2.0) [SUSv4] | expm1f(GLIBC_2.0) [SUSv4] | expm1l(GLIBC_2.0) [SUSv4] | fabs(GLIBC_2.0) [SUSv4] |
| fabsf(GLIBC_2.0) [SUSv4] | fabsl(GLIBC_2.0) [SUSv4] | fdim(GLIBC_2.1) [SUSv4] | fdimf(GLIBC_2.1) [SUSv4] |
| fdiml(GLIBC_2.1) [SUSv4] | feclearexcept(GLIBC_2.2) [SUSv4] | fedisableexcept(GLIBC_2.2) [LSB] | feenableexcept(GLIBC_2.2) [LSB] |
| fegetenv(GLIBC_2.2) [SUSv4] | fegetexcept(GLIBC_2.2) [LSB] | fegetexceptflag(GLIBC_2.2) [SUSv4] | fegetround(GLIBC_2.1) [SUSv4] |
| feholdexcept(GLIBC_2.1) [SUSv4] | feraiseexcept(GLIBC_2.2) [SUSv4] | fesetenv(GLIBC_2.2) [SUSv4] | fesetexceptflag(GLIBC_2.2) [SUSv4] |
| fesetround(GLIBC_2.1) [SUSv4] | fetestexcept(GLIBC_2.1) [SUSv4] | feupdateenv(GLIBC_2.2) [SUSv4] | finite(GLIBC_2.0) [LSB] |
| finitef(GLIBC_2.0) [LSB] | finitel(GLIBC_2.0) [LSB] | floor(GLIBC_2.0) [SUSv4] | floorf(GLIBC_2.0) [SUSv4] |
| floorl(GLIBC_2.0) [SUSv4] | fma(GLIBC_2.1) [SUSv4] | fmaf(GLIBC_2.1) [SUSv4] | fmal(GLIBC_2.1) [SUSv4] |
| fmax(GLIBC_2.1) [SUSv4] | fmaxf(GLIBC_2.1) [SUSv4] | fmaxl(GLIBC_2.1) [SUSv4] | fmin(GLIBC_2.1) [SUSv4] |
| fminf(GLIBC_2.1) [SUSv4] | fminl(GLIBC_2.1) [SUSv4] | fmod(GLIBC_2.0) [SUSv4] | fmodf(GLIBC_2.0) [SUSv4] |
| fmodl(GLIBC_2.0) [SUSv4] | frexp(GLIBC_2.0) [SUSv4] | frexpf(GLIBC_2.0) [SUSv4] | frexpl(GLIBC_2.0) [SUSv4] |
| gamma(GLIBC_2.0) [LSB] | gammaf(GLIBC_2.0) [LSB] | gammal(GLIBC_2.0) [LSB] | hypot(GLIBC_2.0) [SUSv4] |
| hypotf(GLIBC_2.0) [SUSv4] | hypotl(GLIBC_2.0) [SUSv4] | ilogb(GLIBC_2.0) [SUSv4] | ilogbf(GLIBC_2.0) [SUSv4] |
| ilogbl(GLIBC_2.0) [SUSv4] | j0(GLIBC_2.0) [SUSv4] | j0f(GLIBC_2.0) [LSB] | j0l(GLIBC_2.0) [LSB] |
| j1(GLIBC_2.0) [SUSv4] | j1f(GLIBC_2.0) [LSB] | j1l(GLIBC_2.0) [LSB] | jn(GLIBC_2.0) [SUSv4] |
| jnf(GLIBC_2.0) [LSB] | jnl(GLIBC_2.0) [LSB] | ldexp(GLIBC_2.0) [SUSv4] | ldexpf(GLIBC_2.0) [SUSv4] |
| ldexpl(GLIBC_2.0) [SUSv4] | lgamma(GLIBC_2.0) [SUSv4] | lgamma_r(GLIBC_2.0) [LSB] | lgammaf(GLIBC_2.0) [SUSv4] |
| lgammaf_r(GLIBC_2.0) [LSB] | lgammal(GLIBC_2.0) [SUSv4] | lgammal_r(GLIBC_2.0) [LSB] | llrint(GLIBC_2.1) [SUSv4] |
| llrintf(GLIBC_2.1) [SUSv4] | llrintl(GLIBC_2.1) [SUSv4] | llround(GLIBC_2.1) [SUSv4] | llroundf(GLIBC_2.1) [SUSv4] |
| llroundl(GLIBC_2.1) [SUSv4] | log(GLIBC_2.0) [SUSv4] | log10(GLIBC_2.0) [SUSv4] | log10f(GLIBC_2.0) [SUSv4] |
| log10l(GLIBC_2.0) [SUSv4] | log1p(GLIBC_2.0) [SUSv4] | log1pf(GLIBC_2.0) [SUSv4] | log1pl(GLIBC_2.0) [SUSv4] |
| log2(GLIBC_2.1) [SUSv4] | log2f(GLIBC_2.1) [SUSv4] | log2l(GLIBC_2.1) [SUSv4] | logb(GLIBC_2.0) [SUSv4] |
| logbf(GLIBC_2.0) [SUSv4] | logbl(GLIBC_2.0) [SUSv4] | logf(GLIBC_2.0) [SUSv4] | logl(GLIBC_2.0) [SUSv4] |
| lrint(GLIBC_2.1) [SUSv4] | lrintf(GLIBC_2.1) [SUSv4] | lrintl(GLIBC_2.1) [SUSv4] | lround(GLIBC_2.1) [SUSv4] |
| lroundf(GLIBC_2.1) [SUSv4] | lroundl(GLIBC_2.1) [SUSv4] | matherr(GLIBC_2.0) [LSB] | modf(GLIBC_2.0) [SUSv4] |
| modff(GLIBC_2.0) [SUSv4] | modfl(GLIBC_2.0) [SUSv4] | nan(GLIBC_2.1) [SUSv4] | nanf(GLIBC_2.1) [SUSv4] |
| nanl(GLIBC_2.1) [SUSv4] | nearbyint(GLIBC_2.1) [SUSv4] | nearbyintf(GLIBC_2.1) [SUSv4] | nearbyintl(GLIBC_2.1) [SUSv4] |
| nextafter(GLIBC_2.0) [SUSv4] | nextafterf(GLIBC_2.0) [SUSv4] | nextafterl(GLIBC_2.0) [SUSv4] | nexttoward(GLIBC_2.1) [SUSv4] |
| nexttowardf(GLIBC_2.1) [SUSv4] | nexttowardl(GLIBC_2.1) [SUSv4] | pow(GLIBC_2.0) [SUSv4] | pow10(GLIBC_2.1) [LSB] |
| pow10f(GLIBC_2.1) [LSB] | pow10l(GLIBC_2.1) [LSB] | powf(GLIBC_2.0) [SUSv4] | powl(GLIBC_2.0) [SUSv4] |
| remainder(GLIBC_2.0) [SUSv4] | remainderf(GLIBC_2.0) [SUSv4] | remainderl(GLIBC_2.0) [SUSv4] | remquo(GLIBC_2.1) [SUSv4] |
| remquof(GLIBC_2.1) [SUSv4] | remquol(GLIBC_2.1) [SUSv4] | rint(GLIBC_2.0) [SUSv4] | rintf(GLIBC_2.0) [SUSv4] |
| rintl(GLIBC_2.0) [SUSv4] | round(GLIBC_2.1) [SUSv4] | roundf(GLIBC_2.1) [SUSv4] | roundl(GLIBC_2.1) [SUSv4] |
| scalb(GLIBC_2.0) [SUSv3] | scalbf(GLIBC_2.0) [LSB] | scalbl(GLIBC_2.0) [LSB] | scalbln(GLIBC_2.1) [SUSv4] |
| scalblnf(GLIBC_2.1) [SUSv4] | scalblnl(GLIBC_2.1) [SUSv4] | scalbn(GLIBC_2.0) [SUSv4] | scalbnf(GLIBC_2.0) [SUSv4] |
| scalbnl(GLIBC_2.0) [SUSv4] | significand(GLIBC_2.0) [LSB] | significandf(GLIBC_2.0) [LSB] | significandl(GLIBC_2.0) [LSB] |
| sin(GLIBC_2.0) [SUSv4] | sincos(GLIBC_2.1) [LSB] | sincosf(GLIBC_2.1) [LSB] | sincosl(GLIBC_2.1) [LSB] |
| sinf(GLIBC_2.0) [SUSv4] | sinh(GLIBC_2.0) [SUSv4] | sinhf(GLIBC_2.0) [SUSv4] | sinhl(GLIBC_2.0) [SUSv4] |
| sinl(GLIBC_2.0) [SUSv4] | sqrt(GLIBC_2.0) [SUSv4] | sqrtf(GLIBC_2.0) [SUSv4] | sqrtl(GLIBC_2.0) [SUSv4] |
| tan(GLIBC_2.0) [SUSv4] | tanf(GLIBC_2.0) [SUSv4] | tanh(GLIBC_2.0) [SUSv4] | tanhf(GLIBC_2.0) [SUSv4] |
| tanhl(GLIBC_2.0) [SUSv4] | tanl(GLIBC_2.0) [SUSv4] | tgamma(GLIBC_2.1) [SUSv4] | tgammaf(GLIBC_2.1) [SUSv4] |
| tgammal(GLIBC_2.1) [SUSv4] | trunc(GLIBC_2.1) [SUSv4] | truncf(GLIBC_2.1) [SUSv4] | truncl(GLIBC_2.1) [SUSv4] |
| y0(GLIBC_2.0) [SUSv4] | y0f(GLIBC_2.0) [LSB] | y0l(GLIBC_2.0) [LSB] | y1(GLIBC_2.0) [SUSv4] |
| y1f(GLIBC_2.0) [LSB] | y1l(GLIBC_2.0) [LSB] | yn(GLIBC_2.0) [SUSv4] | ynf(GLIBC_2.0) [LSB] |
| ynl(GLIBC_2.0) [LSB] |
An LSB conforming implementation shall provide the architecture specific deprecated functions for Math specified in Table 10-38, with the full mandatory functionality as described in the referenced underlying specification.
Note: These interfaces are deprecated, and applications should avoid using them. These interfaces may be withdrawn in future releases of this specification.
Table 10-38. libm - Math Deprecated Function Interfaces
| drem(GLIBC_2.0) [LSB] | dremf(GLIBC_2.0) [LSB] | dreml(GLIBC_2.0) [LSB] | finite(GLIBC_2.0) [LSB] |
| finitef(GLIBC_2.0) [LSB] | finitel(GLIBC_2.0) [LSB] | gamma(GLIBC_2.0) [LSB] | gammaf(GLIBC_2.0) [LSB] |
| gammal(GLIBC_2.0) [LSB] | matherr(GLIBC_2.0) [LSB] |
An LSB conforming implementation shall provide the architecture specific data interfaces for Math specified in Table 10-39, with the full mandatory functionality as described in the referenced underlying specification.
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