A.5. libm

The behavior of the interfaces in this library is specified by the following Standards.

ISO C (1999) [ISOC99]
ISO/IEC 23360 Part 1 [LSB]
ISO POSIX (2003) [SUSv3]
SVID Issue 3 [SVID.3]

Table A-6. libm Function Interfaces

__finite(GLIBC_2.2.5)[LSB]csinhl(GLIBC_2.2.5)[SUSv3]llround(GLIBC_2.2.5)[SUSv3]
__finitef(GLIBC_2.2.5)[LSB]csinl(GLIBC_2.2.5)[SUSv3]llroundf(GLIBC_2.2.5)[SUSv3]
__finitel(GLIBC_2.2.5)[LSB]csqrt(GLIBC_2.2.5)[SUSv3]llroundl(GLIBC_2.2.5)[SUSv3]
__fpclassify(GLIBC_2.2.5)[LSB]csqrtf(GLIBC_2.2.5)[SUSv3]log(GLIBC_2.2.5)[SUSv3]
__fpclassifyf(GLIBC_2.2.5)[LSB]csqrtl(GLIBC_2.2.5)[SUSv3]log10(GLIBC_2.2.5)[SUSv3]
__fpclassifyl(GLIBC_2.2.5)[LSB]ctan(GLIBC_2.2.5)[SUSv3]log10f(GLIBC_2.2.5)[SUSv3]
__signbit(GLIBC_2.2.5)[LSB]ctanf(GLIBC_2.2.5)[SUSv3]log10l(GLIBC_2.2.5)[SUSv3]
__signbitf(GLIBC_2.2.5)[LSB]ctanh(GLIBC_2.2.5)[SUSv3]log1p(GLIBC_2.2.5)[SUSv3]
__signbitl(GLIBC_2.2.5)[ISOC99]ctanhf(GLIBC_2.2.5)[SUSv3]log1pf(GLIBC_2.2.5)[SUSv3]
acos(GLIBC_2.2.5)[SUSv3]ctanhl(GLIBC_2.2.5)[SUSv3]log1pl(GLIBC_2.2.5)[SUSv3]
acosf(GLIBC_2.2.5)[SUSv3]ctanl(GLIBC_2.2.5)[SUSv3]log2(GLIBC_2.2.5)[SUSv3]
acosh(GLIBC_2.2.5)[SUSv3]drem(GLIBC_2.2.5)[LSB]log2f(GLIBC_2.2.5)[SUSv3]
acoshf(GLIBC_2.2.5)[SUSv3]dremf(GLIBC_2.2.5)[LSB]log2l(GLIBC_2.2.5)[SUSv3]
acoshl(GLIBC_2.2.5)[SUSv3]dreml(GLIBC_2.2.5)[LSB]logb(GLIBC_2.2.5)[SUSv3]
acosl(GLIBC_2.2.5)[SUSv3]erf(GLIBC_2.2.5)[SUSv3]logbf(GLIBC_2.2.5)[SUSv3]
asin(GLIBC_2.2.5)[SUSv3]erfc(GLIBC_2.2.5)[SUSv3]logbl(GLIBC_2.2.5)[SUSv3]
asinf(GLIBC_2.2.5)[SUSv3]erfcf(GLIBC_2.2.5)[SUSv3]logf(GLIBC_2.2.5)[SUSv3]
asinh(GLIBC_2.2.5)[SUSv3]erfcl(GLIBC_2.2.5)[SUSv3]logl(GLIBC_2.2.5)[SUSv3]
asinhf(GLIBC_2.2.5)[SUSv3]erff(GLIBC_2.2.5)[SUSv3]lrint(GLIBC_2.2.5)[SUSv3]
asinhl(GLIBC_2.2.5)[SUSv3]erfl(GLIBC_2.2.5)[SUSv3]lrintf(GLIBC_2.2.5)[SUSv3]
asinl(GLIBC_2.2.5)[SUSv3]exp(GLIBC_2.2.5)[SUSv3]lrintl(GLIBC_2.2.5)[SUSv3]
atan(GLIBC_2.2.5)[SUSv3]exp10(GLIBC_2.2.5)[LSB]lround(GLIBC_2.2.5)[SUSv3]
atan2(GLIBC_2.2.5)[SUSv3]exp10f(GLIBC_2.2.5)[LSB]lroundf(GLIBC_2.2.5)[SUSv3]
atan2f(GLIBC_2.2.5)[SUSv3]exp10l(GLIBC_2.2.5)[LSB]lroundl(GLIBC_2.2.5)[SUSv3]
atan2l(GLIBC_2.2.5)[SUSv3]exp2(GLIBC_2.2.5)[SUSv3]matherr(GLIBC_2.2.5)[SVID.3]
atanf(GLIBC_2.2.5)[SUSv3]exp2f(GLIBC_2.2.5)[SUSv3]modf(GLIBC_2.2.5)[SUSv3]
atanh(GLIBC_2.2.5)[SUSv3]exp2l(GLIBC_2.2.5)[SUSv3]modff(GLIBC_2.2.5)[SUSv3]
atanhf(GLIBC_2.2.5)[SUSv3]expf(GLIBC_2.2.5)[SUSv3]modfl(GLIBC_2.2.5)[SUSv3]
atanhl(GLIBC_2.2.5)[SUSv3]expl(GLIBC_2.2.5)[SUSv3]nan(GLIBC_2.2.5)[SUSv3]
atanl(GLIBC_2.2.5)[SUSv3]expm1(GLIBC_2.2.5)[SUSv3]nanf(GLIBC_2.2.5)[SUSv3]
cabs(GLIBC_2.2.5)[SUSv3]expm1f(GLIBC_2.2.5)[SUSv3]nanl(GLIBC_2.2.5)[SUSv3]
cabsf(GLIBC_2.2.5)[SUSv3]expm1l(GLIBC_2.2.5)[SUSv3]nearbyint(GLIBC_2.2.5)[SUSv3]
cabsl(GLIBC_2.2.5)[SUSv3]fabs(GLIBC_2.2.5)[SUSv3]nearbyintf(GLIBC_2.2.5)[SUSv3]
cacos(GLIBC_2.2.5)[SUSv3]fabsf(GLIBC_2.2.5)[SUSv3]nearbyintl(GLIBC_2.2.5)[SUSv3]
cacosf(GLIBC_2.2.5)[SUSv3]fabsl(GLIBC_2.2.5)[SUSv3]nextafter(GLIBC_2.2.5)[SUSv3]
cacosh(GLIBC_2.2.5)[SUSv3]fdim(GLIBC_2.2.5)[SUSv3]nextafterf(GLIBC_2.2.5)[SUSv3]
cacoshf(GLIBC_2.2.5)[SUSv3]fdimf(GLIBC_2.2.5)[SUSv3]nextafterl(GLIBC_2.2.5)[SUSv3]
cacoshl(GLIBC_2.2.5)[SUSv3]fdiml(GLIBC_2.2.5)[SUSv3]nexttoward(GLIBC_2.2.5)[SUSv3]
cacosl(GLIBC_2.2.5)[SUSv3]feclearexcept(GLIBC_2.2.5)[SUSv3]nexttowardf(GLIBC_2.2.5)[SUSv3]
carg(GLIBC_2.2.5)[SUSv3]fedisableexcept(GLIBC_2.2.5)[LSB]nexttowardl(GLIBC_2.2.5)[SUSv3]
cargf(GLIBC_2.2.5)[SUSv3]feenableexcept(GLIBC_2.2.5)[LSB]pow(GLIBC_2.2.5)[SUSv3]
cargl(GLIBC_2.2.5)[SUSv3]fegetenv(GLIBC_2.2.5)[SUSv3]pow10(GLIBC_2.2.5)[LSB]
casin(GLIBC_2.2.5)[SUSv3]fegetexcept(GLIBC_2.2.5)[LSB]pow10f(GLIBC_2.2.5)[LSB]
casinf(GLIBC_2.2.5)[SUSv3]fegetexceptflag(GLIBC_2.2.5)[SUSv3]pow10l(GLIBC_2.2.5)[LSB]
casinh(GLIBC_2.2.5)[SUSv3]fegetround(GLIBC_2.2.5)[SUSv3]powf(GLIBC_2.2.5)[SUSv3]
casinhf(GLIBC_2.2.5)[SUSv3]feholdexcept(GLIBC_2.2.5)[SUSv3]powl(GLIBC_2.2.5)[SUSv3]
casinhl(GLIBC_2.2.5)[SUSv3]feraiseexcept(GLIBC_2.2.5)[SUSv3]remainder(GLIBC_2.2.5)[SUSv3]
casinl(GLIBC_2.2.5)[SUSv3]fesetenv(GLIBC_2.2.5)[SUSv3]remainderf(GLIBC_2.2.5)[SUSv3]
catan(GLIBC_2.2.5)[SUSv3]fesetexceptflag(GLIBC_2.2.5)[SUSv3]remainderl(GLIBC_2.2.5)[SUSv3]
catanf(GLIBC_2.2.5)[SUSv3]fesetround(GLIBC_2.2.5)[SUSv3]remquo(GLIBC_2.2.5)[SUSv3]
catanh(GLIBC_2.2.5)[SUSv3]fetestexcept(GLIBC_2.2.5)[SUSv3]remquof(GLIBC_2.2.5)[SUSv3]
catanhf(GLIBC_2.2.5)[SUSv3]feupdateenv(GLIBC_2.2.5)[SUSv3]remquol(GLIBC_2.2.5)[SUSv3]
catanhl(GLIBC_2.2.5)[SUSv3]finite(GLIBC_2.2.5)[LSB]rint(GLIBC_2.2.5)[SUSv3]
catanl(GLIBC_2.2.5)[SUSv3]finitef(GLIBC_2.2.5)[LSB]rintf(GLIBC_2.2.5)[SUSv3]
cbrt(GLIBC_2.2.5)[SUSv3]finitel(GLIBC_2.2.5)[LSB]rintl(GLIBC_2.2.5)[SUSv3]
cbrtf(GLIBC_2.2.5)[SUSv3]floor(GLIBC_2.2.5)[SUSv3]round(GLIBC_2.2.5)[SUSv3]
cbrtl(GLIBC_2.2.5)[SUSv3]floorf(GLIBC_2.2.5)[SUSv3]roundf(GLIBC_2.2.5)[SUSv3]
ccos(GLIBC_2.2.5)[SUSv3]floorl(GLIBC_2.2.5)[SUSv3]roundl(GLIBC_2.2.5)[SUSv3]
ccosf(GLIBC_2.2.5)[SUSv3]fma(GLIBC_2.2.5)[SUSv3]scalb(GLIBC_2.2.5)[SUSv3]
ccosh(GLIBC_2.2.5)[SUSv3]fmaf(GLIBC_2.2.5)[SUSv3]scalbf(GLIBC_2.2.5)[ISOC99]
ccoshf(GLIBC_2.2.5)[SUSv3]fmal(GLIBC_2.2.5)[SUSv3]scalbl(GLIBC_2.2.5)[ISOC99]
ccoshl(GLIBC_2.2.5)[SUSv3]fmax(GLIBC_2.2.5)[SUSv3]scalbln(GLIBC_2.2.5)[SUSv3]
ccosl(GLIBC_2.2.5)[SUSv3]fmaxf(GLIBC_2.2.5)[SUSv3]scalblnf(GLIBC_2.2.5)[SUSv3]
ceil(GLIBC_2.2.5)[SUSv3]fmaxl(GLIBC_2.2.5)[SUSv3]scalblnl(GLIBC_2.2.5)[SUSv3]
ceilf(GLIBC_2.2.5)[SUSv3]fmin(GLIBC_2.2.5)[SUSv3]scalbn(GLIBC_2.2.5)[SUSv3]
ceill(GLIBC_2.2.5)[SUSv3]fminf(GLIBC_2.2.5)[SUSv3]scalbnf(GLIBC_2.2.5)[SUSv3]
cexp(GLIBC_2.2.5)[SUSv3]fminl(GLIBC_2.2.5)[SUSv3]scalbnl(GLIBC_2.2.5)[SUSv3]
cexpf(GLIBC_2.2.5)[SUSv3]fmod(GLIBC_2.2.5)[SUSv3]significand(GLIBC_2.2.5)[LSB]
cexpl(GLIBC_2.2.5)[SUSv3]fmodf(GLIBC_2.2.5)[SUSv3]significandf(GLIBC_2.2.5)[LSB]
cimag(GLIBC_2.2.5)[SUSv3]fmodl(GLIBC_2.2.5)[SUSv3]significandl(GLIBC_2.2.5)[LSB]
cimagf(GLIBC_2.2.5)[SUSv3]frexp(GLIBC_2.2.5)[SUSv3]sin(GLIBC_2.2.5)[SUSv3]
cimagl(GLIBC_2.2.5)[SUSv3]frexpf(GLIBC_2.2.5)[SUSv3]sincos(GLIBC_2.2.5)[LSB]
clog(GLIBC_2.2.5)[SUSv3]frexpl(GLIBC_2.2.5)[SUSv3]sincosf(GLIBC_2.2.5)[LSB]
clog10(GLIBC_2.2.5)[LSB]gamma(GLIBC_2.2.5)[LSB]sincosl(GLIBC_2.2.5)[LSB]
clog10f(GLIBC_2.2.5)[LSB]gammaf(GLIBC_2.2.5)[LSB]sinf(GLIBC_2.2.5)[SUSv3]
clog10l(GLIBC_2.2.5)[LSB]gammal(GLIBC_2.2.5)[LSB]sinh(GLIBC_2.2.5)[SUSv3]
clogf(GLIBC_2.2.5)[SUSv3]hypot(GLIBC_2.2.5)[SUSv3]sinhf(GLIBC_2.2.5)[SUSv3]
clogl(GLIBC_2.2.5)[SUSv3]hypotf(GLIBC_2.2.5)[SUSv3]sinhl(GLIBC_2.2.5)[SUSv3]
conj(GLIBC_2.2.5)[SUSv3]hypotl(GLIBC_2.2.5)[SUSv3]sinl(GLIBC_2.2.5)[SUSv3]
conjf(GLIBC_2.2.5)[SUSv3]ilogb(GLIBC_2.2.5)[SUSv3]sqrt(GLIBC_2.2.5)[SUSv3]
conjl(GLIBC_2.2.5)[SUSv3]ilogbf(GLIBC_2.2.5)[SUSv3]sqrtf(GLIBC_2.2.5)[SUSv3]
copysign(GLIBC_2.2.5)[SUSv3]ilogbl(GLIBC_2.2.5)[SUSv3]sqrtl(GLIBC_2.2.5)[SUSv3]
copysignf(GLIBC_2.2.5)[SUSv3]j0(GLIBC_2.2.5)[SUSv3]tan(GLIBC_2.2.5)[SUSv3]
copysignl(GLIBC_2.2.5)[SUSv3]j0f(GLIBC_2.2.5)[LSB]tanf(GLIBC_2.2.5)[SUSv3]
cos(GLIBC_2.2.5)[SUSv3]j0l(GLIBC_2.2.5)[LSB]tanh(GLIBC_2.2.5)[SUSv3]
cosf(GLIBC_2.2.5)[SUSv3]j1(GLIBC_2.2.5)[SUSv3]tanhf(GLIBC_2.2.5)[SUSv3]
cosh(GLIBC_2.2.5)[SUSv3]j1f(GLIBC_2.2.5)[LSB]tanhl(GLIBC_2.2.5)[SUSv3]
coshf(GLIBC_2.2.5)[SUSv3]j1l(GLIBC_2.2.5)[LSB]tanl(GLIBC_2.2.5)[SUSv3]
coshl(GLIBC_2.2.5)[SUSv3]jn(GLIBC_2.2.5)[SUSv3]tgamma(GLIBC_2.2.5)[SUSv3]
cosl(GLIBC_2.2.5)[SUSv3]jnf(GLIBC_2.2.5)[LSB]tgammaf(GLIBC_2.2.5)[SUSv3]
cpow(GLIBC_2.2.5)[SUSv3]jnl(GLIBC_2.2.5)[LSB]tgammal(GLIBC_2.2.5)[SUSv3]
cpowf(GLIBC_2.2.5)[SUSv3]ldexp(GLIBC_2.2.5)[SUSv3]trunc(GLIBC_2.2.5)[SUSv3]
cpowl(GLIBC_2.2.5)[SUSv3]ldexpf(GLIBC_2.2.5)[SUSv3]truncf(GLIBC_2.2.5)[SUSv3]
cproj(GLIBC_2.2.5)[SUSv3]ldexpl(GLIBC_2.2.5)[SUSv3]truncl(GLIBC_2.2.5)[SUSv3]
cprojf(GLIBC_2.2.5)[SUSv3]lgamma(GLIBC_2.2.5)[SUSv3]y0(GLIBC_2.2.5)[SUSv3]
cprojl(GLIBC_2.2.5)[SUSv3]lgamma_r(GLIBC_2.2.5)[LSB]y0f(GLIBC_2.2.5)[LSB]
creal(GLIBC_2.2.5)[SUSv3]lgammaf(GLIBC_2.2.5)[SUSv3]y0l(GLIBC_2.2.5)[LSB]
crealf(GLIBC_2.2.5)[SUSv3]lgammaf_r(GLIBC_2.2.5)[LSB]y1(GLIBC_2.2.5)[SUSv3]
creall(GLIBC_2.2.5)[SUSv3]lgammal(GLIBC_2.2.5)[SUSv3]y1f(GLIBC_2.2.5)[LSB]
csin(GLIBC_2.2.5)[SUSv3]lgammal_r(GLIBC_2.2.5)[LSB]y1l(GLIBC_2.2.5)[LSB]
csinf(GLIBC_2.2.5)[SUSv3]llrint(GLIBC_2.2.5)[SUSv3]yn(GLIBC_2.2.5)[SUSv3]
csinh(GLIBC_2.2.5)[SUSv3]llrintf(GLIBC_2.2.5)[SUSv3]ynf(GLIBC_2.2.5)[LSB]
csinhf(GLIBC_2.2.5)[SUSv3]llrintl(GLIBC_2.2.5)[SUSv3]ynl(GLIBC_2.2.5)[LSB]

Table A-7. libm Data Interfaces

signgam[SUSv3]