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C
C++
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beta
Common mathematical functions
Compile-time rational arithmetic
densities
densities
FE_ALL_EXCEPT
FE_DFL_ENV
FE_DIVBYZERO
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Floating-point environment
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HUGE_VAL
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Mathematical special functions
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NAN
Numerics library
operators
operators
operators (std::bernoulli_distribution)
operators (std::bernoulli_distribution)
operators (std::binomial_distribution)
operators (std::binomial_distribution)
operators (std::cauchy_distribution)
operators (std::cauchy_distribution)
operators (std::chi_squared_distribution)
operators (std::chi_squared_distribution)
operators (std::complex)
operators (std::complex)
operators (std::discard_block_engine)
operators (std::discard_block_engine)
operators (std::discrete_distribution)
operators (std::discrete_distribution)
operators (std::exponential_distribution)
operators (std::exponential_distribution)
operators (std::extreme_value_distribution)
operators (std::extreme_value_distribution)
operators (std::fisher_f_distribution)
operators (std::fisher_f_distribution)
operators (std::gamma_distribution)
operators (std::gamma_distribution)
operators (std::geometric_distribution)
operators (std::geometric_distribution)
operators (std::independent_bits_engine)
operators (std::independent_bits_engine)
operators (std::linear_congruential_engine)
operators (std::linear_congruential_engine)
operators (std::lognormal_distribution)
operators (std::lognormal_distribution)
operators (std::mersenne_twister_engine)
operators (std::mersenne_twister_engine)
operators (std::negative_binomial_distribution)
operators (std::negative_binomial_distribution)
operators (std::normal_distribution)
operators (std::normal_distribution)
operators (std::piecewise_constant_distribution)
operators (std::piecewise_constant_distribution)
operators (std::piecewise_linear_distribution)
operators (std::piecewise_linear_distribution)
operators (std::poisson_distribution)
operators (std::poisson_distribution)
operators (std::shuffle_order_engine)
operators (std::shuffle_order_engine)
operators (std::student_t_distribution)
operators (std::student_t_distribution)
operators (std::subtract_with_carry_engine)
operators (std::subtract_with_carry_engine)
operators (std::uniform_int_distribution)
operators (std::uniform_int_distribution)
operators (std::uniform_real_distribution)
operators (std::uniform_real_distribution)
operators (std::valarray)
operators (std::weibull_distribution)
operators (std::weibull_distribution)
Pseudo-random number generation
RAND_MAX
std::abs(float)
std::abs(int)
std::abs(std::complex)
std::abs(std::valarray)
std::acos
std::acos(std::complex)
std::acos(std::valarray)
std::acosh
std::acosh(std::complex)
std::arg(std::complex)
std::asin
std::asin(std::complex)
std::asin(std::valarray)
std::asinh
std::asinh(std::complex)
std::assoc_laguerre
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std::assoc_legendre
std::assoc_legendref
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std::atan
std::atan(std::complex)
std::atan(std::valarray)
std::atan2
std::atan2(std::valarray)
std::atanh
std::atanh(std::complex)
std::begin(std::valarray)
std::bernoulli_distribution
std::bernoulli_distribution::bernoulli_distribution
std::bernoulli_distribution::max
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std::bernoulli_distribution::p
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std::binomial_distribution::binomial_distribution
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std::cauchy_distribution
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std::cauchy_distribution::cauchy_distribution
std::cauchy_distribution::max
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std::cauchy_distribution::param
std::cauchy_distribution::reset
std::cbrt
std::ceil
std::chi_squared_distribution
std::chi_squared_distribution::chi_squared_distribution
std::chi_squared_distribution::max
std::chi_squared_distribution::min
std::chi_squared_distribution::n
std::chi_squared_distribution::param
std::chi_squared_distribution::reset
std::complex
std::complex::complex
std::complex::imag
std::complex::operators
std::complex::operators (unary)
std::complex::real
std::comp_ellint_1
std::comp_ellint_1f
std::comp_ellint_1l
std::comp_ellint_2
std::comp_ellint_2f
std::comp_ellint_2l
std::comp_ellint_3
std::comp_ellint_3f
std::comp_ellint_3l
std::conj(std::complex)
std::copysign
std::cos
std::cos(std::complex)
std::cos(std::valarray)
std::cosh
std::cosh(std::complex)
std::cosh(std::valarray)
std::cyl_bessel_i
std::cyl_bessel_if
std::cyl_bessel_il
std::cyl_bessel_j
std::cyl_bessel_jf
std::cyl_bessel_jl
std::cyl_bessel_k
std::cyl_bessel_kf
std::cyl_bessel_kl
std::cyl_neumann
std::cyl_neumannf
std::cyl_neumannl
std::discard_block_engine
std::discard_block_engine::base
std::discard_block_engine::discard
std::discard_block_engine::discard_block_engine
std::discard_block_engine::max
std::discard_block_engine::min
std::discard_block_engine::seed
std::discrete_distribution
std::discrete_distribution::discrete_distribution
std::discrete_distribution::max
std::discrete_distribution::min
std::discrete_distribution::param
std::discrete_distribution::probabilities
std::discrete_distribution::reset
std::div
std::ellint_1
std::ellint_1f
std::ellint_1l
std::ellint_2
std::ellint_2f
std::ellint_2l
std::ellint_3
std::ellint_3f
std::ellint_3l
std::end(std::valarray)
std::erf
std::erfc
std::exp
std::exp(std::complex)
std::exp(std::valarray)
std::exp2
std::expint
std::expintf
std::expintl
std::expm1
std::exponential_distribution
std::exponential_distribution::exponential_distribution
std::exponential_distribution::lambda
std::exponential_distribution::max
std::exponential_distribution::min
std::exponential_distribution::param
std::exponential_distribution::reset
std::extreme_value_distribution
std::extreme_value_distribution::a
std::extreme_value_distribution::extreme_value_distribution
std::extreme_value_distribution::max
std::extreme_value_distribution::min
std::extreme_value_distribution::param
std::extreme_value_distribution::reset
std::fabs
std::fdim
std::feclearexcept
std::fegetenv
std::fegetexceptflag
std::fegetround
std::feholdexcept
std::feraiseexcept
std::fesetenv
std::fesetexceptflag
std::fesetround
std::fetestexcept
std::feupdateenv
std::fisher_f_distribution
std::fisher_f_distribution::fisher_f_distribution
std::fisher_f_distribution::m
std::fisher_f_distribution::max
std::fisher_f_distribution::min
std::fisher_f_distribution::param
std::fisher_f_distribution::reset
std::floor
std::fma
std::fmax
std::fmin
std::fmod
std::fpclassify
std::frexp
std::gamma_distribution
std::gamma_distribution::alpha
std::gamma_distribution::gamma_distribution
std::gamma_distribution::max
std::gamma_distribution::min
std::gamma_distribution::param
std::gamma_distribution::reset
std::gcd
std::generate_canonical
std::geometric_distribution
std::geometric_distribution::geometric_distribution
std::geometric_distribution::max
std::geometric_distribution::min
std::geometric_distribution::p
std::geometric_distribution::param
std::geometric_distribution::reset
std::gslice
std::gslice_array
std::gslice_array::gslice_array
std::gslice_array::operators
std::hermite
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std::hermitel
std::hypot
std::ilogb
std::imag(std::complex)
std::imaxabs
std::independent_bits_engine
std::independent_bits_engine::base
std::independent_bits_engine::discard
std::independent_bits_engine::independent_bits_engine
std::independent_bits_engine::max
std::independent_bits_engine::min
std::independent_bits_engine::seed
std::indirect_array
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std::isnan
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std::laguerre
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std::legendrel
std::lgamma
std::linear_congruential_engine
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std::linear_congruential_engine::linear_congruential_engine
std::linear_congruential_engine::max
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std::literals::complex_literals::operators
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std::lognormal_distribution
std::lognormal_distribution::lognormal_distribution
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std::lognormal_distribution::max
std::lognormal_distribution::min
std::lognormal_distribution::param
std::lognormal_distribution::reset
std::lrint
std::lround
std::mask_array
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std::mask_array::operators
std::mersenne_twister_engine
std::mersenne_twister_engine::discard
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std::negative_binomial_distribution
std::negative_binomial_distribution::max
std::negative_binomial_distribution::min
std::negative_binomial_distribution::negative_binomial_distribution
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std::negative_binomial_distribution::reset
std::nextafter
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std::norm(std::complex)
std::normal_distribution
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std::normal_distribution::min
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std::normal_distribution::param
std::normal_distribution::reset
std::piecewise_constant_distribution
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std::piecewise_constant_distribution::piecewise_constant_distribution
std::piecewise_constant_distribution::reset
std::piecewise_linear_distribution
std::piecewise_linear_distribution::intervals
std::piecewise_linear_distribution::max
std::piecewise_linear_distribution::min
std::piecewise_linear_distribution::param
std::piecewise_linear_distribution::piecewise_linear_distribution
std::piecewise_linear_distribution::reset
std::poisson_distribution
std::poisson_distribution::max
std::poisson_distribution::mean
std::poisson_distribution::min
std::poisson_distribution::param
std::poisson_distribution::poisson_distribution
std::poisson_distribution::reset
std::pow
std::pow(std::complex)
std::pow(std::valarray)
std::proj(std::complex)
std::rand
std::random_device
std::random_device::entropy
std::random_device::max
std::random_device::min
std::random_device::random_device
std::ratio
std::ratio_add
std::ratio_divide
std::ratio_equal
std::ratio_greater
std::ratio_greater_equal
std::ratio_less
std::ratio_less_equal
std::ratio_multiply
std::ratio_not_equal
std::ratio_subtract
std::real(std::complex)
std::remainder
std::remquo
std::riemann_zeta
std::riemann_zetaf
std::riemann_zetal
std::rint
std::round
std::scalbln
std::scalbn
std::seed_seq
std::seed_seq::generate
std::seed_seq::param
std::seed_seq::seed_seq
std::seed_seq::size
std::shuffle_order_engine
std::shuffle_order_engine::base
std::shuffle_order_engine::discard
std::shuffle_order_engine::max
std::shuffle_order_engine::min
std::shuffle_order_engine::seed
std::shuffle_order_engine::shuffle_order_engine
std::signbit
std::sin
std::sin(std::complex)
std::sin(std::valarray)
std::sinh
std::sinh(std::complex)
std::sinh(std::valarray)
std::slice
std::slice_array
std::slice_array::operators
std::slice_array::slice_array
std::sph_bessel
std::sph_besself
std::sph_bessell
std::sph_legendre
std::sph_legendref
std::sph_legendrel
std::sph_neumann
std::sph_neumannf
std::sph_neumannl
std::sqrt
std::sqrt(std::complex)
std::sqrt(std::valarray)
std::srand
std::student_t_distribution
std::student_t_distribution::max
std::student_t_distribution::min
std::student_t_distribution::n
std::student_t_distribution::param
std::student_t_distribution::reset
std::student_t_distribution::student_t_distribution
std::subtract_with_carry_engine
std::subtract_with_carry_engine::discard
std::subtract_with_carry_engine::max
std::subtract_with_carry_engine::min
std::subtract_with_carry_engine::seed
std::subtract_with_carry_engine::subtract_with_carry_engine
std::swap(std::valarray)
std::tan
std::tan(std::complex)
std::tan(std::valarray)
std::tanh
std::tanh(std::complex)
std::tanh(std::valarray)
std::tgamma
std::trunc
std::uniform_int_distribution
std::uniform_int_distribution::a
std::uniform_int_distribution::max
std::uniform_int_distribution::min
std::uniform_int_distribution::param
std::uniform_int_distribution::reset
std::uniform_int_distribution::uniform_int_distribution
std::uniform_real_distribution
std::uniform_real_distribution::a
std::uniform_real_distribution::max
std::uniform_real_distribution::min
std::uniform_real_distribution::param
std::uniform_real_distribution::reset
std::uniform_real_distribution::uniform_real_distribution
std::valarray
std::valarray::apply
std::valarray::cshift
std::valarray::max
std::valarray::min
std::valarray::operators
std::valarray::operators
std::valarray::operator[]
std::valarray::resize
std::valarray::shift
std::valarray::size
std::valarray::sum
std::valarray::swap
std::valarray::valarray
std::weibull_distribution
std::weibull_distribution::a
std::weibull_distribution::max
std::weibull_distribution::min
std::weibull_distribution::param
std::weibull_distribution::reset
std::weibull_distribution::weibull_distribution
stddev
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std::polar(std::complex)

极性%28 std：：复合%29

Defined in header ​​
template< class T > complex<T> polar( const T& r, const T& theta = 0 ​​

返回一个具有大小的复数。r相角theta...

The behavior is undefined if r is negative or NaN, or if theta is infinite(since C++17)

参数

r-magnitude
theta-phase angle

返回值

由r和theta...

另见

abs(std::complex)returns the magnitude of a complex number (function template)
argreturns the phase angle (function template)

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