函数定义
sin
sind
sinpi
asin
asind
asinpi
cos
cosd
cospi
acos
acospi
sincos
sincosd
tan
tanpi
tand
atan
atand
atanpi
atan2
atan2d
atan2pi
cot
cotd
exp
exp2
log
log2
log10
pow
powr
powr?i?/powi?i?
sqrt
invsqrt
cbrt
sinh
cosh
tanh
asinh
acosh
atanh
ceil
floor
rint
lrint
llrint
round
lround
llround
modf
nearbyint
trunc
nextafter
nexttoward
fmod
remainder
remquo
cabs
carg
cdiv
cexp
cexp2
cexp10
cpow
csqrt
clog
clog2
clog10
ccos
ccosh
cacos
cacosh
csin
csinh
casin
casinh
ctan
ctanh
catan
catanh
cis
cisd
conj
cproj
creal
cimag
annuity
compound
erf
erfc
erfcx
erfinv
gamma
gamma_r
tgamma
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