Functions | |
itpp::vec | itpp::gamma (const itpp::vec &x) |
The gamma function. | |
itpp::mat | itpp::gamma (const itpp::mat &x) |
The gamma function. | |
vec | itpp::ceil (const vec &x) |
Round to nearest upper integer. | |
mat | itpp::ceil (const mat &x) |
Round to nearest upper integer. | |
vec | itpp::floor (const vec &x) |
Round to nearest lower integer. | |
mat | itpp::floor (const mat &x) |
Round to nearest lower integer. | |
vec | itpp::round (const vec &x) |
Round to nearest integer. | |
mat | itpp::round (const mat &x) |
Round to nearest integer. | |
ivec | itpp::round_i (const vec &x) |
Round to nearest integer and return ivec. | |
imat | itpp::round_i (const mat &x) |
Round to nearest integer and return imat. | |
vec | itpp::abs (const vec &x) |
Absolute value. | |
mat | itpp::abs (const mat &x) |
Absolute value. | |
ivec | itpp::abs (const ivec &x) |
Absolute value. | |
imat | itpp::abs (const imat &x) |
Absolute value. | |
vec | itpp::sqr (const vec &x) |
Square of elements. | |
mat | itpp::sqr (const mat &x) |
Square of elements. | |
vec | itpp::sqr (const cvec &x) |
Square of elements. | |
mat | itpp::sqr (const cmat &x) |
Square of elements. | |
vec | itpp::sign (const vec &x) |
Signum function. | |
mat | itpp::sign (const mat &x) |
Signum function. | |
vec | itpp::sqrt (const vec &x) |
Square root of the elements. | |
mat | itpp::sqrt (const mat &x) |
Square root of the elements. | |
vec | itpp::rem (const vec &x, const double &y) |
Elementwise reminder of the division x/y for vec and double. | |
vec | itpp::rem (const double &x, const vec &y) |
Elementwise reminder of the division x/y for double and vec. | |
mat | itpp::rem (const mat &x, const double &y) |
Elementwise reminder of the division x/y for mat and double. | |
mat | itpp::rem (const double &x, const mat &y) |
Elementwise reminder of the division x/y for double and mat. | |
vec | itpp::abs (const cvec &x) |
Absolute value. | |
mat | itpp::abs (const cmat &x) |
Absolute value. | |
vec | itpp::real (const cvec &x) |
Real part of complex values. | |
mat | itpp::real (const cmat &x) |
Real part of complex values. | |
vec | itpp::imag (const cvec &x) |
Imaginary part of complex values. | |
mat | itpp::imag (const cmat &x) |
Imaginary part of complex values. | |
vec | itpp::arg (const cvec &x) |
Argument (angle). | |
mat | itpp::arg (const cmat &x) |
Argument (angle). | |
vec | itpp::angle (const cvec &x) |
Angle. | |
mat | itpp::angle (const cmat &x) |
Angle. | |
cvec | itpp::conj (const cvec &x) |
Conjugate of complex value. | |
cmat | itpp::conj (const cmat &x) |
Conjugate of complex value. | |
bool | itpp::all (const Vec< bin > &testvec) |
Returns true if all elements are ones and false otherwise. | |
bool | itpp::any (const Vec< bin > &testvec) |
Returns true if any element is one and false otherwise. | |
vec | itpp::round_to_zero (const vec &x, double threshold=1e-14) |
Round each element to zero if element < threshold. | |
mat | itpp::round_to_zero (const mat &x, double threshold=1e-14) |
Round each element to zero if element < threshold. | |
cvec | itpp::round_to_zero (const cvec &x, double threshold=1e-14) |
Round each element to zero if element < threshold. | |
cmat | itpp::round_to_zero (const cmat &x, double threshold=1e-14) |
Round each element to zero if element < threshold. | |
vec | itpp::vec_function (double(*f)(double), const vec &x) |
Help function to call for a function: vec function(vec). | |
cvec | itpp::cvec_function (std::complex< double >(*f)(const std::complex< double > &), const cvec &x) |
Help function to call for a function: cvec function(cvec). | |
mat | itpp::mat_function (double(*f)(double), const mat &x) |
Help function to call for a function: mat function(mat). | |
cmat | itpp::cmat_function (std::complex< double >(*f)(const std::complex< double > &), const cmat &x) |
Help function to call for a function: cmat function(cmat). | |
vec | itpp::double_vec_function (double(*f)(double, double), const double x, const vec &y) |
Help function to call for a function: vec function(double,vec). | |
mat | itpp::double_mat_function (double(*f)(double, double), const double x, const mat &y) |
Help function to call for a function: mat function(double,mat). | |
vec | itpp::vec_double_function (double(*f)(double, double), const vec &x, const double y) |
Help function to call for a function: vec function(vec,double). | |
mat | itpp::mat_double_function (double(*f)(double, double), const mat &x, const double y) |
Help function to call for a function: mat function(mat,double). | |
double | asinh (double x) |
Arcus sinhyp. | |
double | acosh (double x) |
Arcus coshyp. | |
double | atanh (double x) |
Arcus tanhyp. | |
double | tgamma (double x) |
True gamma function. | |
double | lgamma (double x) |
Lograrithm of an absolute gamma function. | |
double | itpp::gamma (double x) |
Gamma function. | |
double | itpp::sinc (double x) |
Sinc function. sinc(x) = sin(pi*x)/pi*x. | |
int | itpp::round_i (double x) |
Round to nearest integer. | |
int | itpp::ceil_i (double x) |
The nearest larger integer. | |
int | itpp::floor_i (double x) |
The nearest smaller integer. | |
double | itpp::round (double x) |
Round to nearest integer, return result in double. | |
bool | itpp::is_int (double x) |
Return true if x is an integer. | |
bool | itpp::is_even (int x) |
Return true if x is an even integer. | |
int | itpp::gray_code (int x) |
Convert to Gray Code. | |
double | itpp::binom (int n, int k) |
Compute the binomial coefficient "n over k" as a float. | |
int | itpp::binom_i (int n, int k) |
Compute the binomial coefficient "n over k" as an integer. | |
double | itpp::log_binom (int n, int k) |
Compute the base 10 logarithm of the binomial coefficient "n over k". | |
double | itpp::rad_to_deg (double x) |
Convert radians to degrees. | |
double | itpp::deg_to_rad (double x) |
Convert degrees to radians. | |
double | itpp::sqr (double x) |
Square of x. | |
double | itpp::sqr (std::complex< double > x) |
Square of complex-valued x, ||x||^2. | |
double | itpp::rem (double x, double y) |
The reminder of the division x/y. | |
double | itpp::sign (double x) |
The sign of x. | |
double | itpp::sgn (double x) |
The sign of x. | |
signed char | itpp::abs (signed char x) |
Absolute value. | |
short | itpp::abs (short x) |
Absolute value. | |
int | itpp::abs (int x) |
Absolute value. | |
double | itpp::fact (int index) |
Calculates factorial coefficient for index <= 170. | |
long | itpp::mod (long k, long n) |
Calculates the modulus, i.e. the signed reminder after division. | |
long | itpp::gcd (long a, long b) |
returns the greatest common divisor (GCD) g of the elements a and b. | |
double | itpp::round_to_zero (double x, double threshold=1e-14) |
Round x to zero if abs(x) is smaller than threshold. | |
std::complex< double > | itpp::round_to_zero (const std::complex< double > &x, double threshold=1e-14) |
Round each part of x smaller than threshold to zero. | |
ivec | itpp::find (const bvec &invector) |
Return a integer vector with indicies where bvec == 1. | |
mat | itpp::rotation_matrix (int dim, int plane1, int plane2, double angle) |
Create a rotation matrix that rotates the given plane angle radians. Note that the order of the planes are important! | |
void | itpp::house (const vec &x, vec &v, double &beta) |
Calcualte the Householder vector. | |
void | itpp::givens (double a, double b, double &c, double &s) |
Calculate the Givens rotation values. | |
void | itpp::givens (double a, double b, mat &m) |
Calculate the Givens rotation matrix. | |
mat | itpp::givens (double a, double b) |
Calculate the Givens rotation matrix. | |
void | itpp::givens_t (double a, double b, mat &m) |
Calculate the transposed Givens rotation matrix. | |
mat | itpp::givens_t (double a, double b) |
Calculate the transposed Givens rotation matrix. | |
bmat | itpp::graycode (int m) |
Generate gray code of blocklength m. | |
int | itpp::hamming_distance (const bvec &a, const bvec &b) |
Calculate the Hamming distance between a and b. | |
int | itpp::weight (const bvec &a) |
Calculate the Hamming weight of a. | |
smat | itpp::wcdma_spreading_codes (int SF) |
Generates the OVSF (orthogonal variable spreading factor) spreading codes used in WCDMA. |
itpp::vec itpp::gamma | ( | const itpp::vec & | x | ) | [inline] |
The gamma function.
Definition at line 48 of file elmatfunc.h.
References itpp::vec_function().
Referenced by itpp::gamma(), and itpp::Weibull_RNG::setup().
itpp::mat itpp::gamma | ( | const itpp::mat & | x | ) | [inline] |
The gamma function.
Definition at line 54 of file elmatfunc.h.
References itpp::gamma(), and itpp::mat_function().
Round to nearest upper integer.
Definition at line 222 of file elmatfunc.h.
References itpp::ceil(), and itpp::vec_function().
Referenced by itpp::bin2oct(), itpp::ceil_i(), and itpp::round().
Round to nearest upper integer.
Definition at line 224 of file elmatfunc.h.
References itpp::mat_function().
Referenced by itpp::ceil(), itpp::Sequence_Interleaver< T >::deinterleave(), itpp::Cross_Interleaver< T >::deinterleave(), itpp::Block_Interleaver< T >::deinterleave(), itpp::IFFT_Fading_Generator::generate_Jakes(), itpp::Sequence_Interleaver< T >::interleave(), itpp::Cross_Interleaver< T >::interleave(), itpp::Block_Interleaver< T >::interleave(), itpp::Fix_Base::scale_and_apply_modes(), and itpp::xcorr().
Round to nearest lower integer.
Definition at line 226 of file elmatfunc.h.
References itpp::floor(), and itpp::vec_function().
Referenced by itpp::Reed_Solomon::decode(), itpp::Hamming_Code::decode(), itpp::Extended_Golay::decode(), itpp::BCH::decode(), itpp::Reed_Solomon::encode(), itpp::Hamming_Code::encode(), itpp::Extended_Golay::encode(), itpp::BCH::encode(), itpp::floor_i(), and itpp::mod().
Round to nearest lower integer.
Definition at line 228 of file elmatfunc.h.
References itpp::mat_function().
Referenced by itpp::Multicode_Spread_1d::despread(), itpp::Spread_1d::despread(), itpp::floor(), itpp::jake_filter(), itpp::Fix_Base::scale_and_apply_modes(), itpp::Multicode_Spread_1d::spread(), and itpp::LLR_calc_unit::to_qllr().
Round to nearest integer.
Definition at line 231 of file elmatfunc.h.
References itpp::vec_function().
Referenced by fpica(), itpp::round(), itpp::round_i(), itpp::Fix_Base::scale_and_apply_modes(), itpp::sd(), and itpp::TDL_Channel::set_channel_profile().
Round to nearest integer.
Definition at line 233 of file elmatfunc.h.
References itpp::mat_function(), and itpp::round().
Round to nearest integer and return ivec.
Definition at line 236 of file elmatfunc.h.
References itpp::round(), and itpp::to_ivec().
Referenced by itpp::Cross_Interleaver< T >::deinterleave(), itpp::QAM::demodulate_bits(), itpp::PSK::demodulate_bits(), itpp::PAM::demodulate_bits(), itpp::Modulator_1d::set(), itpp::ND_UPAM::set_Gray_PAM(), itpp::ND_UPSK::set_Gray_PSK(), itpp::ND_UQAM::set_Gray_QAM(), itpp::QAM::set_M(), itpp::PSK::set_M(), itpp::PAM::set_M(), itpp::GF::set_size(), and itpp::sqtrain().
Round to nearest integer and return imat.
Definition at line 238 of file elmatfunc.h.
References itpp::round(), and itpp::to_imat().
Absolute value.
Definition at line 60 of file elmatfunc.cpp.
References itpp::abs().
Referenced by itpp::cerf_series(), itpp::cerfc_continued_fraction(), itpp::diag(), itpp::erf(), itpp::filter_spectrum(), fpica(), itpp::norm(), itpp::polystab(), itpp::sd(), itpp::Newton_Search::search(), itpp::spectrum(), itpp::within_tolerance(), and itpp::xcorr().
Square of elements.
Definition at line 250 of file elmatfunc.h.
References itpp::sqr(), and itpp::vec_function().
Square of elements.
Definition at line 252 of file elmatfunc.h.
References itpp::mat_function(), and itpp::sqr().
Square of elements.
Definition at line 38 of file elmatfunc.cpp.
Referenced by itpp::TDL_Channel::calc_mean_excess_delay(), itpp::TDL_Channel::calc_rms_delay_spread(), itpp::Channel_Specification::calc_rms_delay_spread(), itpp::QAM::demodulate_soft_bits(), itpp::PSK::demodulate_soft_bits(), itpp::PAM::demodulate_soft_bits(), itpp::Modulator_2d::demodulate_soft_bits(), itpp::QAM::demodulate_soft_bits_approx(), itpp::PSK::demodulate_soft_bits_approx(), itpp::PAM::demodulate_soft_bits_approx(), itpp::Modulator_2d::demodulate_soft_bits_approx(), itpp::energy(), itpp::filter_design_autocorrelation(), itpp::filter_spectrum(), itpp::AWGN_Channel::get_noise(), itpp::gmmtrain(), itpp::house(), itpp::kmeansiter(), itpp::GMM::likelihood_aposteriori(), itpp::Modulator_NCD::map_demod(), itpp::Modulator_NRD::map_demod(), itpp::norm(), itpp::poly2ac(), itpp::sd(), itpp::Line_Search::search(), itpp::Channel_Specification::set_channel_profile(), itpp::PAM::set_M(), itpp::Root_Raised_Cosine< T1 >::set_pulse_shape(), itpp::Raised_Cosine< T1 >::set_pulse_shape(), itpp::spectrum(), itpp::sqr(), itpp::Modulator_NCD::update_norm(), itpp::Modulator_NRD::update_norm(), and itpp::vqtrain().
Signum function.
Definition at line 258 of file elmatfunc.h.
References itpp::vec_function().
Referenced by itpp::quadl(), itpp::Vec< Num_T >::set(), and itpp::sign().
Signum function.
Definition at line 260 of file elmatfunc.h.
References itpp::mat_function(), and itpp::sign().
Square root of the elements.
Definition at line 263 of file elmatfunc.h.
References itpp::sqrt(), and itpp::vec_function().
Referenced by itpp::cerf_series(), itpp::cerfc_continued_fraction(), itpp::GMM::draw_sample(), itpp::erfinv(), itpp::quadl(), itpp::quadlstep(), itpp::Turbo_Codec::set_awgn_channel_parameters(), and itpp::Rec_Syst_Conv_Code::set_awgn_channel_parameters().
Square root of the elements.
Definition at line 265 of file elmatfunc.h.
References itpp::mat_function().
Referenced by acosh(), asinh(), itpp::AWGN_Channel::AWGN_Channel(), itpp::TDL_Channel::calc_rms_delay_spread(), itpp::Channel_Specification::calc_rms_delay_spread(), itpp::QPSK::demodulate_soft_bits(), itpp::dht(), itpp::IFFT_Fading_Generator::generate(), itpp::FIR_Fading_Generator::generate(), itpp::Rice_Fading_Generator::generate(), itpp::IFFT_Fading_Generator::generate_Jakes(), itpp::Fading_Generator::generate_zero_doppler(), itpp::givens(), itpp::givens_t(), itpp::gmmtrain(), itpp::house(), itpp::Rice_Fading_Generator::init_MEDS(), itpp::jake_filter(), itpp::norm(), itpp::quadl(), itpp::Complex_Normal_RNG::sample(), itpp::Laplace_RNG::sample(), itpp::Normal_RNG::sample(), itpp::sd(), itpp::Newton_Search::search(), itpp::self_dht(), itpp::ND_UPAM::set_Gray_PAM(), itpp::ND_UQAM::set_Gray_QAM(), itpp::QAM::set_M(), itpp::PAM::set_M(), itpp::AWGN_Channel::set_noise(), itpp::Root_Raised_Cosine< T1 >::set_pulse_shape(), itpp::Complex_Normal_RNG::setup(), itpp::Normal_RNG::setup(), itpp::Stat::sigma(), itpp::sqrt(), itpp::sqrt_win(), itpp::sqrtm(), whitenv(), itpp::xcorr(), and itpp::xcorr_old().
Elementwise reminder of the division x/y for vec and double.
Definition at line 270 of file elmatfunc.h.
References itpp::vec_double_function().
Referenced by itpp::rem().
Elementwise reminder of the division x/y for double and vec.
Definition at line 272 of file elmatfunc.h.
References itpp::double_vec_function(), and itpp::rem().
Elementwise reminder of the division x/y for mat and double.
Definition at line 274 of file elmatfunc.h.
References itpp::mat_double_function(), and itpp::rem().
Elementwise reminder of the division x/y for double and mat.
Definition at line 276 of file elmatfunc.h.
References itpp::double_mat_function(), and itpp::rem().
Real part of complex values.
Definition at line 106 of file elmatfunc.cpp.
Referenced by itpp::arma_estimator(), itpp::cmat2mxArray(), itpp::Multicode_Spread_2d::despread(), itpp::Spread_2d::despread(), itpp::it_file::low_level_write(), itpp::norm(), itpp::CFixed< w, e, o, q >::operator=(), itpp::Freq_Filt< Num_T >::overlap_add(), itpp::polystab(), itpp::set_fix(), itpp::Multicode_Spread_2d::spread(), itpp::Spread_2d::spread(), itpp::to(), itpp::to_cmat(), itpp::to_cvec(), itpp::Modulator_NCD::update_norm(), and itpp::xcorr().
Imaginary part of complex values.
Definition at line 129 of file elmatfunc.cpp.
Referenced by itpp::cmat2mxArray(), itpp::Multicode_Spread_2d::despread(), itpp::Spread_2d::despread(), itpp::CFixed< w, e, o, q >::operator=(), itpp::set_fix(), itpp::Multicode_Spread_2d::spread(), itpp::Spread_2d::spread(), itpp::to(), itpp::to_cmat(), and itpp::to_cvec().
Argument (angle).
Definition at line 151 of file elmatfunc.cpp.
References itpp::arg().
Referenced by itpp::angle().
Argument (angle).
Definition at line 161 of file elmatfunc.cpp.
Referenced by itpp::arg(), and itpp::PSK::demodulate_bits().
Conjugate of complex value.
Definition at line 174 of file elmatfunc.cpp.
References itpp::conj().
Referenced by itpp::Modulator_NCD::map_demod(), itpp::polystab(), itpp::sqrtm(), itpp::toeplitz(), itpp::Modulator_NCD::update_norm(), and itpp::xcorr().
bool itpp::all | ( | const Vec< bin > & | testvec | ) |
Returns true if all elements are ones and false otherwise.
Definition at line 197 of file elmatfunc.cpp.
References itpp::Vec< Num_T >::length().
bool itpp::any | ( | const Vec< bin > & | testvec | ) |
Returns true if any element is one and false otherwise.
Definition at line 204 of file elmatfunc.cpp.
References itpp::Vec< Num_T >::length().
Referenced by itpp::levinson(), itpp::poly2ac(), itpp::poly2rc(), and itpp::rc2poly().
Round each element to zero if element < threshold.
Definition at line 309 of file elmatfunc.h.
References itpp::round_to_zero(), and itpp::vec_double_function().
Round each element to zero if element < threshold.
Definition at line 313 of file elmatfunc.h.
References itpp::mat_double_function(), and itpp::round_to_zero().
Round each element to zero if element < threshold.
Definition at line 211 of file elmatfunc.cpp.
Referenced by itpp::round_to_zero().
Round each element to zero if element < threshold.
Definition at line 220 of file elmatfunc.cpp.
References itpp::round_to_zero().
Help function to call for a function: vec function(vec).
Definition at line 46 of file help_functions.h.
Referenced by itpp::abs(), itpp::acos(), itpp::acosh(), itpp::asin(), itpp::asinh(), itpp::atan(), itpp::atanh(), itpp::ceil(), itpp::cos(), itpp::cosh(), itpp::dB(), itpp::erf(), itpp::erfc(), itpp::erfinv(), itpp::exp(), itpp::floor(), itpp::gamma(), itpp::inv_dB(), itpp::log(), itpp::log10(), itpp::log2(), itpp::pow10(), itpp::pow2(), itpp::Qfunc(), itpp::quad(), itpp::quadl(), itpp::quadlstep(), itpp::quadstep(), itpp::round(), itpp::sign(), itpp::sin(), itpp::sinc(), itpp::sinh(), itpp::sqr(), itpp::sqrt(), itpp::tan(), and itpp::tanh().
cvec itpp::cvec_function | ( | std::complex< double >(*)(const std::complex< double > &) | f, | |
const cvec & | x | |||
) | [inline] |
Help function to call for a function: cvec function(cvec).
Definition at line 58 of file help_functions.h.
Referenced by itpp::erf(), itpp::exp(), and itpp::log().
Help function to call for a function: mat function(mat).
Definition at line 70 of file help_functions.h.
Referenced by itpp::abs(), itpp::acos(), itpp::acosh(), itpp::asin(), itpp::asinh(), itpp::atan(), itpp::atanh(), itpp::ceil(), itpp::cos(), itpp::cosh(), itpp::dB(), itpp::erf(), itpp::erfc(), itpp::erfinv(), itpp::exp(), itpp::floor(), itpp::gamma(), itpp::inv_dB(), itpp::log(), itpp::log10(), itpp::log2(), itpp::pow10(), itpp::pow2(), itpp::Qfunc(), itpp::round(), itpp::sign(), itpp::sin(), itpp::sinc(), itpp::sinh(), itpp::sqr(), itpp::sqrt(), itpp::tan(), and itpp::tanh().
cmat itpp::cmat_function | ( | std::complex< double >(*)(const std::complex< double > &) | f, | |
const cmat & | x | |||
) | [inline] |
Help function to call for a function: cmat function(cmat).
Definition at line 85 of file help_functions.h.
Referenced by itpp::erf(), itpp::exp(), and itpp::log().
vec itpp::double_vec_function | ( | double(*)(double, double) | f, | |
const double | x, | |||
const vec & | y | |||
) | [inline] |
Help function to call for a function: vec function(double,vec).
Definition at line 100 of file help_functions.h.
Referenced by itpp::logb(), itpp::pow(), and itpp::rem().
mat itpp::double_mat_function | ( | double(*)(double, double) | f, | |
const double | x, | |||
const mat & | y | |||
) | [inline] |
Help function to call for a function: mat function(double,mat).
Definition at line 112 of file help_functions.h.
Referenced by itpp::logb(), itpp::pow(), and itpp::rem().
vec itpp::vec_double_function | ( | double(*)(double, double) | f, | |
const vec & | x, | |||
const double | y | |||
) | [inline] |
Help function to call for a function: vec function(vec,double).
Definition at line 127 of file help_functions.h.
Referenced by itpp::pow(), itpp::rem(), and itpp::round_to_zero().
mat itpp::mat_double_function | ( | double(*)(double, double) | f, | |
const mat & | x, | |||
const double | y | |||
) | [inline] |
Help function to call for a function: mat function(mat,double).
Definition at line 139 of file help_functions.h.
Referenced by itpp::pow(), itpp::rem(), and itpp::round_to_zero().
double asinh | ( | double | x | ) |
double acosh | ( | double | x | ) |
Arcus coshyp.
Definition at line 81 of file scalfunc.cpp.
References it_error_if, itpp::log(), and itpp::sqrt().
double atanh | ( | double | x | ) |
double tgamma | ( | double | x | ) |
True gamma function.
Definition at line 40 of file scalfunc.cpp.
References itpp::exp(), and itpp::log().
Referenced by itpp::gamma(), and lgamma().
double lgamma | ( | double | x | ) |
Lograrithm of an absolute gamma function.
Definition at line 57 of file scalfunc.cpp.
References itpp::log(), signgam, and tgamma().
double itpp::gamma | ( | double | x | ) |
double itpp::sinc | ( | double | x | ) | [inline] |
Sinc function. sinc(x) = sin(pi*x)/pi*x.
Definition at line 226 of file scalfunc.h.
References itpp::pi, and itpp::sin().
int itpp::round_i | ( | double | x | ) | [inline] |
int itpp::ceil_i | ( | double | x | ) | [inline] |
The nearest larger integer.
Definition at line 239 of file scalfunc.h.
References itpp::ceil().
Referenced by itpp::FIR_Fading_Generator::generate(), and itpp::needed_bits().
int itpp::floor_i | ( | double | x | ) | [inline] |
The nearest smaller integer.
Definition at line 241 of file scalfunc.h.
References itpp::floor().
Referenced by itpp::filter_design_autocorrelation(), itpp::I_Uniform_RNG::sample(), and itpp::GF2mat::T_fact().
double itpp::round | ( | double | x | ) | [inline] |
bool itpp::is_int | ( | double | x | ) | [inline] |
bool itpp::is_even | ( | int | x | ) | [inline] |
Return true if x is an even integer.
Definition at line 250 of file scalfunc.h.
Referenced by itpp::Modulator_2d::set(), itpp::QAM::set_M(), itpp::Root_Raised_Cosine< T1 >::set_pulse_shape(), and itpp::Raised_Cosine< T1 >::set_pulse_shape().
int itpp::gray_code | ( | int | x | ) | [inline] |
Convert to Gray Code.
Definition at line 314 of file scalfunc.h.
Referenced by itpp::ND_UQAM::set_Gray_QAM(), and itpp::QAM::set_M().
double itpp::binom | ( | int | n, | |
int | k | |||
) |
Compute the binomial coefficient "n over k" as a float.
Definition at line 406 of file scalfunc.cpp.
References it_assert.
int itpp::binom_i | ( | int | n, | |
int | k | |||
) |
Compute the binomial coefficient "n over k" as an integer.
Definition at line 421 of file scalfunc.cpp.
References it_assert.
double itpp::log_binom | ( | int | n, | |
int | k | |||
) |
Compute the base 10 logarithm of the binomial coefficient "n over k".
Definition at line 436 of file scalfunc.cpp.
References it_assert, and itpp::log10().
double itpp::rad_to_deg | ( | double | x | ) | [inline] |
double itpp::deg_to_rad | ( | double | x | ) | [inline] |
double itpp::sqr | ( | double | x | ) | [inline] |
double itpp::sqr | ( | std::complex< double > | x | ) | [inline] |
double itpp::rem | ( | double | x, | |
double | y | |||
) | [inline] |
double itpp::sign | ( | double | x | ) | [inline] |
double itpp::sgn | ( | double | x | ) | [inline] |
signed char itpp::abs | ( | signed char | x | ) | [inline] |
short itpp::abs | ( | short | x | ) | [inline] |
int itpp::abs | ( | int | x | ) | [inline] |
double itpp::fact | ( | int | index | ) |
Calculates factorial coefficient for index <= 170.
Definition at line 367 of file scalfunc.cpp.
References it_error_if, and itpp::prod().
long itpp::mod | ( | long | k, | |
long | n | |||
) |
Calculates the modulus, i.e. the signed reminder after division.
Definition at line 377 of file scalfunc.cpp.
References itpp::floor().
Referenced by fpica(), itpp::operator<<(), and itpp::wcdma_turbo_interleaver_sequence().
long itpp::gcd | ( | long | a, | |
long | b | |||
) |
returns the greatest common divisor (GCD) g of the elements a and b.
a and b must be non-negative integers. gdc(0,0) is 0 by convention; all other GCDs are positive integers.
Definition at line 386 of file scalfunc.cpp.
References itpp::abs(), and it_assert.
Referenced by itpp::wcdma_turbo_interleaver_sequence().
double itpp::round_to_zero | ( | double | x, | |
double | threshold = 1e-14 | |||
) | [inline] |
Round x to zero if abs(x) is smaller than threshold.
Definition at line 370 of file scalfunc.h.
References itpp::abs().
std::complex< double > itpp::round_to_zero | ( | const std::complex< double > & | x, | |
double | threshold = 1e-14 | |||
) |
Round each part of x smaller than threshold to zero.
Definition at line 449 of file scalfunc.cpp.
References itpp::round_to_zero().
Return a integer vector with indicies where bvec == 1.
Definition at line 41 of file specmat.cpp.
References it_assert.
Referenced by itpp::roots().
mat itpp::rotation_matrix | ( | int | dim, | |
int | plane1, | |||
int | plane2, | |||
double | angle | |||
) |
Create a rotation matrix that rotates the given plane angle
radians. Note that the order of the planes are important!
Definition at line 265 of file specmat.cpp.
References itpp::cos(), it_assert, and itpp::sin().
Calcualte the Householder vector.
Definition at line 287 of file specmat.cpp.
References itpp::energy(), itpp::sqr(), and itpp::sqrt().
void itpp::givens | ( | double | a, | |
double | b, | |||
double & | c, | |||
double & | s | |||
) |
Calculate the Givens rotation values.
Definition at line 313 of file specmat.cpp.
References itpp::sqrt().
Referenced by itpp::givens().
void itpp::givens | ( | double | a, | |
double | b, | |||
mat & | m | |||
) |
Calculate the Givens rotation matrix.
Definition at line 335 of file specmat.cpp.
References itpp::sqrt().
mat itpp::givens | ( | double | a, | |
double | b | |||
) |
Calculate the Givens rotation matrix.
Definition at line 365 of file specmat.cpp.
References itpp::givens().
void itpp::givens_t | ( | double | a, | |
double | b, | |||
mat & | m | |||
) |
Calculate the transposed Givens rotation matrix.
Definition at line 373 of file specmat.cpp.
References itpp::sqrt().
Referenced by itpp::givens_t().
mat itpp::givens_t | ( | double | a, | |
double | b | |||
) |
Calculate the transposed Givens rotation matrix.
Definition at line 403 of file specmat.cpp.
References itpp::givens_t().
bmat itpp::graycode | ( | int | m | ) |
Generate gray code of blocklength m.
The codes are contained as binary codewords {0,1} in the rows of the returned matrix. See also the gray()
function in math/scalfunc.h
.
Definition at line 42 of file commfunc.cpp.
References itpp::concat(), itpp::ones_b(), itpp::reverse(), itpp::to_bmat(), and itpp::zeros_b().
Referenced by itpp::ND_UPAM::set_Gray_PAM(), itpp::ND_UPSK::set_Gray_PSK(), itpp::ND_UQAM::set_Gray_QAM(), itpp::QAM::set_M(), itpp::PSK::set_M(), and itpp::PAM::set_M().
Calculate the Hamming distance between a and b.
Definition at line 61 of file commfunc.cpp.
References it_assert1.
int itpp::weight | ( | const bvec & | a | ) |
Calculate the Hamming weight of a.
Definition at line 73 of file commfunc.cpp.
Referenced by itpp::Extended_Golay::decode().
smat itpp::wcdma_spreading_codes | ( | int | SF | ) |
Generates the OVSF (orthogonal variable spreading factor) spreading codes used in WCDMA.
The codes are written row-wise in the return matrix.
Definition at line 170 of file sequence.cpp.
References itpp::concat(), and it_assert.
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