firefox-main/third_party/rust/libm/src/math
Name Description Size Coverage
acos.rs origin: FreeBSD /usr/src/lib/msun/src/e_acos.c 3810 -
acosf.rs origin: FreeBSD /usr/src/lib/msun/src/e_acosf.c 2218 -
acosh.rs 0x3fe62e42, 0xfefa39ef 867 -
acoshf.rs |x| < 2, invalid if x < 1 or nan 823 -
asin.rs origin: FreeBSD /usr/src/lib/msun/src/e_asin.c 4288 -
asinf.rs origin: FreeBSD /usr/src/lib/msun/src/e_asinf.c 2054 -
asinh.rs 0x3fe62e42, 0xfefa39ef 1162 -
asinhf.rs asinh(x) = sign(x)*log(|x|+sqrt(x*x+1)) ~= x - x^3/6 + o(x^5) 1133 -
atan.rs origin: FreeBSD /usr/src/lib/msun/src/s_atan.c 5774 -
atan2.rs origin: FreeBSD /usr/src/lib/msun/src/e_atan2.c 4355 -
atan2f.rs origin: FreeBSD /usr/src/lib/msun/src/e_atan2f.c 2894 -
atanf.rs origin: FreeBSD /usr/src/lib/msun/src/s_atanf.c 3149 -
atanh.rs atanh(x) = log((1+x)/(1-x))/2 = log1p(2x/(1-x))/2 ~= x + x^3/3 + o(x^5) 970 -
atanhf.rs atanh(x) = log((1+x)/(1-x))/2 = log1p(2x/(1-x))/2 ~= x + x^3/3 + o(x^5) 968 -
cbrt.rs origin: FreeBSD /usr/src/lib/msun/src/s_cbrt.c 4343 -
cbrtf.rs origin: FreeBSD /usr/src/lib/msun/src/s_cbrtf.c 2149 -
ceil.rs 2333 -
ceilf.rs 1750 -
copysign.rs 403 -
copysignf.rs 406 -
cos.rs |x| ~< pi/4 2255 -
cosf.rs origin: FreeBSD /usr/src/lib/msun/src/s_cosf.c 2438 -
cosh.rs |x| 993 -
coshf.rs |x| 910 -
erf.rs origin: FreeBSD /usr/src/lib/msun/src/s_erf.c 12633 -
erff.rs origin: FreeBSD /usr/src/lib/msun/src/s_erff.c 7586 -
exp.rs origin: FreeBSD /usr/src/lib/msun/src/e_exp.c 5099 -
exp2.rs 16436 -
exp2f.rs Filter out exceptional cases. 4725 -
exp10.rs fabs(n) < 16 without raising invalid on nan 754 -
exp10f.rs fabsf(n) < 8 without raising invalid on nan 735 -
expf.rs origin: FreeBSD /usr/src/lib/msun/src/e_expf.c 3032 -
expm1.rs origin: FreeBSD /usr/src/lib/msun/src/s_expm1.c 4321 -
expm1f.rs origin: FreeBSD /usr/src/lib/msun/src/s_expm1f.c 3951 -
expo2.rs exp(x)/2 for x >= log(DBL_MAX), slightly better than 0.5*exp(x/2)*exp(x/2) 568 -
fabs.rs 1189 -
fabsf.rs 1302 -
fdim.rs 470 -
fdimf.rs 471 -
fenv.rs Dummy functions for archs lacking fenv implementation 478 -
floor.rs y = int(x) - x, where int(x) is an integer neighbor of x 2333 -
floorf.rs 1783 -
fma.rs normalize so top 10bits and last bit are 0 6968 -
fmaf.rs origin: FreeBSD /usr/src/lib/msun/src/s_fmaf.c 4135 -
fmax.rs 771 -
fmaxf.rs 772 -
fmin.rs 771 -
fminf.rs 772 -
fmod.rs normalize x and y 1637 -
fmodf.rs normalize x and y 1649 -
frexp.rs 492 -
frexpf.rs 485 -
hypot.rs arrange |x| >= |y| 1780 -
hypotf.rs 1000 -
ilogb.rs subnormal x 726 -
ilogbf.rs subnormal x 716 -
j0.rs origin: FreeBSD /usr/src/lib/msun/src/e_j0.c 15469 -
j0f.rs origin: FreeBSD /usr/src/lib/msun/src/e_j0f.c 10448 -
j1.rs origin: FreeBSD /usr/src/lib/msun/src/e_j1.c 14881 -
j1f.rs origin: FreeBSD /usr/src/lib/msun/src/e_j1f.c 10641 -
jn.rs origin: FreeBSD /usr/src/lib/msun/src/e_jn.c 10179 -
jnf.rs origin: FreeBSD /usr/src/lib/msun/src/e_jnf.c 6930 -
k_cos.rs 0x3FA55555, 0x5555554C 2985 -
k_cosf.rs origin: FreeBSD /usr/src/lib/msun/src/k_cosf.c 1132 -
k_expo2.rs k is such that k*ln2 has minimal relative error and x - kln2 > log(FLT_MIN) 566 -
k_expo2f.rs k is such that k*ln2 has minimal relative error and x - kln2 > log(FLT_MIN) 542 -
k_sin.rs 0xBFC55555, 0x55555549 2470 -
k_sinf.rs origin: FreeBSD /usr/src/lib/msun/src/k_sinf.c 1137 -
k_tan.rs 3FD55555, 55555563 4236 -
k_tanf.rs origin: FreeBSD /usr/src/lib/msun/src/k_tan.c 1924 -
ldexp.rs 124 -
ldexpf.rs 126 -
lgamma.rs 133 -
lgamma_r.rs origin: FreeBSD /usr/src/lib/msun/src/e_lgamma_r.c 12707 -
lgammaf.rs 136 -
lgammaf_r.rs origin: FreeBSD /usr/src/lib/msun/src/e_lgammaf_r.c 8573 -
log.rs origin: FreeBSD /usr/src/lib/msun/src/e_log.c 4552 -
log1p.rs origin: FreeBSD /usr/src/lib/msun/src/s_log1p.c 4769 -
log1pf.rs origin: FreeBSD /usr/src/lib/msun/src/s_log1pf.c 2836 -
log2.rs origin: FreeBSD /usr/src/lib/msun/src/e_log2.c 3225 -
log2f.rs origin: FreeBSD /usr/src/lib/msun/src/e_log2f.c 2378 -
log10.rs origin: FreeBSD /usr/src/lib/msun/src/e_log10.c 3767 -
log10f.rs origin: FreeBSD /usr/src/lib/msun/src/e_log10f.c 2561 -
logf.rs origin: FreeBSD /usr/src/lib/msun/src/e_logf.c 2076 -
mod.rs 8036 -
modf.rs no fractional part 730 -
modff.rs no fractional part 739 -
nextafter.rs 886 -
nextafterf.rs 920 -
pow.rs origin: FreeBSD /usr/src/lib/msun/src/e_pow.c 21546 -
powf.rs origin: FreeBSD /usr/src/lib/msun/src/e_powf.c 10039 -
rem_pio2.rs 0x3FE45F30, 0x6DC9C883 7501 -
rem_pio2_large.rs origin: FreeBSD /usr/src/lib/msun/src/k_rem_pio2.c 20354 -
rem_pio2f.rs origin: FreeBSD /usr/src/lib/msun/src/e_rem_pio2f.c 2323 -
remainder.rs 158 -
remainderf.rs 160 -
remquo.rs normalize x and y 2462 -
remquof.rs normalize x and y 2159 -
rint.rs 1186 -
rintf.rs 1193 -
round.rs 635 -
roundf.rs 775 -
scalbn.rs make sure final n < -53 to avoid double rounding in the subnormal range 964 -
scalbnf.rs 807 -
sin.rs High word of x. 2803 -
sincos.rs origin: FreeBSD /usr/src/lib/msun/src/s_sin.c 3569 -
sincosf.rs origin: FreeBSD /usr/src/lib/msun/src/s_sinf.c 5286 -
sinf.rs origin: FreeBSD /usr/src/lib/msun/src/s_sinf.c 2647 -
sinh.rs |x| 1261 -
sinhf.rs |x| 693 -
sqrt.rs origin: FreeBSD /usr/src/lib/msun/src/e_sqrt.c 8841 -
sqrtf.rs origin: FreeBSD /usr/src/lib/msun/src/e_sqrtf.c 4418 -
tan.rs |x| ~< pi/4 2248 -
tanf.rs origin: FreeBSD /usr/src/lib/msun/src/s_tanf.c 2411 -
tanh.rs tanh(x) = (exp(x) - exp(-x))/(exp(x) + exp(-x)) = (exp(2*x) - 1)/(exp(2*x) - 1 + 2) = (1 - exp(-2*x))/(exp(-2*x) - 1 + 2) 1360 -
tanhf.rs x = |x| 902 -
tgamma.rs "A Precision Approximation of the Gamma Function" - Cornelius Lanczos (1964) "Lanczos Implementation of the Gamma Function" - Paul Godfrey (2001) "An Analysis of the Lanczos Gamma Approximation" - Glendon Ralph Pugh (2004) approximation method: (x - 0.5) S(x) Gamma(x) = (x + g - 0.5) * ---------------- exp(x + g - 0.5) with a1 a2 a3 aN S(x) ~= [ a0 + ----- + ----- + ----- + ... + ----- ] x + 1 x + 2 x + 3 x + N with a0, a1, a2, a3,.. aN constants which depend on g. for x < 0 the following reflection formula is used: Gamma(x)*Gamma(-x) = -pi/(x sin(pi x)) most ideas and constants are from boost and python 5518 -
tgammaf.rs 142 -
trunc.rs 962 -
truncf.rs 1078 -