vec.cpp
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#ifndef _MSC_VER
# include <itpp/config.h>
#else
# include <itpp/config_msvc.h>
#endif
#if defined (HAVE_BLAS)
# include <itpp/base/blas.h>
#endif
#include <itpp/base/vec.h>
#include <itpp/base/converters.h>
#include <cstdio>
#include <limits>
namespace itpp
{
template<>
int Vec<int>::parse_token(const std::string &s) const
{
int out;
std::istringstream buffer(s);
if (s.find('x', 1) != std::string::npos) {
buffer >> std::hex >> out;
}
else if (((s[0] == '0')
|| (((s[0] == '-') || (s[0] == '+')) && (s[1] == '0')))
&& (s.find('8', 1) == std::string::npos)
&& (s.find('9', 1) == std::string::npos)) {
buffer >> std::oct >> out;
}
else {
buffer >> std::dec >> out;
}
return out;
}
template<>
double Vec<double>::parse_token(const std::string &s) const
{
double out;
if ((s == "NaN") || (s == "nan") || (s == "NAN")) {
if (std::numeric_limits<double>::has_quiet_NaN)
out = std::numeric_limits<double>::quiet_NaN();
else if (std::numeric_limits<double>::has_signaling_NaN)
out = std::numeric_limits<double>::signaling_NaN();
else
it_error("Vec<double>::set(): NaN not supported");
}
else if ((s =="-Inf") || (s =="-inf") || (s =="-INF")) {
out = -std::numeric_limits<double>::infinity();
}
else if ((s =="Inf") || (s =="inf") || (s =="INF") ||
(s =="+Inf") || (s =="+inf") || (s =="+INF")) {
out = std::numeric_limits<double>::infinity();
}
else {
std::istringstream buffer(s);
buffer >> out;
it_assert(!buffer.fail(), "Vec<double>::set(): Stream operation failed "
"(buffer >> out)");
}
return out;
}
template<>
void Vec<bin>::set(const std::string &str)
{
bool abc_format;
std::vector<std::string> tokens = tokenize(str, abc_format);
it_assert(!abc_format, "Vec<bin>::set(): \"a:b:c\" format string not "
"supported for binary vectors");
set_size(int(tokens.size()));
for (std::vector<std::string>::size_type i = 0; i < tokens.size(); ++i) {
std::istringstream buffer(tokens[i]);
buffer >> data[i];
it_assert(!buffer.fail(), "Vec<bin>::set(): Stream operation failed "
"(buffer >> data)");
}
}
template<>
void Vec<short int>::set(const std::string &str)
{
// parser for "short int" is the same as for "int", so reuse it here
ivec iv(str);
this->operator=(to_svec(iv));
}
template<>
void Vec<int>::set(const std::string &str)
{
bool abc_format;
std::vector<std::string> tokens = tokenize(str, abc_format);
// no "a:b:c" tokens, so the size of output vector is known
if (!abc_format) {
set_size(int(tokens.size()));
for (std::vector<std::string>::size_type i = 0; i < tokens.size(); ++i)
data[i] = parse_token(tokens[i]);
}
else {
int pos = 0;
set_size((tokens.size() > 20) ? int(tokens.size()) : 20);
for (std::vector<std::string>::size_type i = 0; i < tokens.size(); ++i) {
// check if the current token is in "a:b[:c]" format
if (tokens[i].find(':', 1) == std::string::npos) {
if (++pos > datasize) {
set_size(2 * datasize, true);
}
data[pos-1] = parse_token(tokens[i]);
}
else {
int a, b, c;
parse_abc_token(tokens[i], a, b, c);
if (++pos > datasize) {
set_size(2 * datasize, true);
}
data[pos-1] = a;
if ((b > 0) && (c >= a)) {
while ((data[pos-1] + b) <= c) {
if (++pos > datasize) {
set_size(2 * datasize, true);
}
data[pos-1] = data[pos-2] + b;
}
}
else if ((b < 0) && (c <= a)) {
while ((data[pos-1] + b) >= c) {
if (++pos > datasize) {
set_size(2 * datasize, true);
}
data[pos-1] = data[pos-2] + b;
}
}
else if (b == 0 && c == a) {
break;
}
else {
it_error("Vec<int>::set(): Improper data string (a:b:c)");
}
}
}
set_size(pos, true);
} // if (!abc_format)
}
template<>
void Vec<double>::set(const std::string &str)
{
bool abc_format;
std::vector<std::string> tokens = tokenize(str, abc_format);
// no "a:b:c" tokens, so the size of output vector is known
if (!abc_format) {
set_size(int(tokens.size()));
for (std::vector<std::string>::size_type i = 0; i < tokens.size(); ++i)
data[i] = parse_token(tokens[i]);
}
else {
int pos = 0;
set_size((tokens.size() > 20) ? int(tokens.size()) : 20);
for (std::vector<std::string>::size_type i = 0; i < tokens.size(); ++i) {
// check if the current token is in "a:b[:c]" format
if (tokens[i].find(':', 1) == std::string::npos) {
if (++pos > datasize) {
set_size(2 * datasize, true);
}
data[pos-1] = parse_token(tokens[i]);
}
else {
double a, b, c;
parse_abc_token(tokens[i], a, b, c);
if (++pos > datasize) {
set_size(2 * datasize, true);
}
data[pos-1] = a;
// Adding this margin fixes precision problems in e.g. "0:0.2:3",
// where the last value was 2.8 instead of 3.
double eps_margin = std::fabs((c - a) / b) * eps;
if ((b > 0) && (c >= a)) {
while ((data[pos-1] + b) <= (c + eps_margin)) {
if (++pos > datasize) {
set_size(2 * datasize, true);
}
data[pos-1] = data[pos-2] + b;
}
}
else if ((b < 0) && (c <= a)) {
while ((data[pos-1] + b) >= (c - eps_margin)) {
if (++pos > datasize) {
set_size(2 * datasize, true);
}
data[pos-1] = data[pos-2] + b;
}
}
else if (b == 0 && c == a) {
break;
}
else {
it_error("Vec<double>::set(): Improper data string (a:b:c)");
}
}
}
set_size(pos, true);
} // if (!abc_format)
}
template<>
void Vec<std::complex<double> >::set(const std::string &str)
{
bool abc_format;
std::vector<std::string> tokens = tokenize(str, abc_format);
it_assert(!abc_format, "Vec<bin>::set(): \"a:b:c\" format string not "
"supported for binary vectors");
set_size(int(tokens.size()));
for (std::vector<std::string>::size_type i = 0; i < tokens.size(); ++i) {
std::istringstream buffer(tokens[i]);
buffer >> data[i];
it_assert(!buffer.fail(), "Vec<complex>::set(): Stream operation failed "
"(buffer >> data)");
}
}
#if defined(HAVE_BLAS)
template<>
double dot(const vec &v1, const vec &v2)
{
it_assert_debug(v1.length() == v2.length(), "vec::dot(): Wrong sizes");
int incr = 1; int v1_l = v1.length();
return blas::ddot_(&v1_l, v1._data(), &incr, v2._data(), &incr);
}
#else
template<>
double dot(const vec &v1, const vec &v2)
{
it_assert_debug(v1.length() == v2.length(), "vec::dot(): Wrong sizes");
double r = 0.0;
for (int i = 0; i < v1.length(); ++i)
r += v1._data()[i] * v2._data()[i];
return r;
}
#endif // HAVE_BLAS
#if defined(HAVE_BLAS)
template<>
mat outer_product(const vec &v1, const vec &v2, bool)
{
it_assert_debug((v1.length() > 0) && (v2.length() > 0),
"Vec::outer_product:: Input vector of zero size");
int v1_l = v1.length(); int v2_l = v2.length();
mat out(v1_l, v2_l);
out.zeros();
double alpha = 1.0;
int incr = 1;
blas::dger_(&v1_l, &v2_l, &alpha, v1._data(), &incr,
v2._data(), &incr, out._data(), &v1_l);
return out;
}
template<>
cmat outer_product(const cvec &v1, const cvec &v2, bool hermitian)
{
it_assert_debug((v1.length() > 0) && (v2.length() > 0),
"Vec::outer_product:: Input vector of zero size");
int v1_l = v1.length(); int v2_l = v2.length();
cmat out(v1_l, v2_l);
out.zeros();
std::complex<double> alpha(1.0);
int incr = 1;
if (hermitian) {
blas::zgerc_(&v1_l, &v2_l, &alpha, v1._data(), &incr,
v2._data(), &incr, out._data(), &v1_l);
}
else {
blas::zgeru_(&v1_l, &v2_l, &alpha, v1._data(), &incr,
v2._data(), &incr, out._data(), &v1_l);
}
return out;
}
#else
template<>
mat outer_product(const vec &v1, const vec &v2, bool)
{
it_assert_debug((v1.length() > 0) && (v2.length() > 0),
"Vec::outer_product:: Input vector of zero size");
int v1_l = v1.length(); int v2_l = v2.length();
mat out(v1_l, v2_l);
for (int i = 0; i < v1_l; ++i) {
for (int j = 0; j < v2_l; ++j) {
out(i, j) = v1._data()[i] * v2._data()[j];
}
}
return out;
}
template<>
cmat outer_product(const cvec &v1, const cvec &v2, bool hermitian)
{
it_assert_debug((v1.length() > 0) && (v2.length() > 0),
"Vec::outer_product:: Input vector of zero size");
int v1_l = v1.length(); int v2_l = v2.length();
cmat out(v1_l, v2_l);
if (hermitian) {
for (int i = 0; i < v1_l; ++i) {
for (int j = 0; j < v2_l; ++j) {
out(i, j) = v1._data()[i] * conj(v2._data()[j]);
}
}
}
else {
for (int i = 0; i < v1_l; ++i) {
for (int j = 0; j < v2_l; ++j) {
out(i, j) = v1._data()[i] * v2._data()[j];
}
}
}
return out;
}
#endif // HAVE_BLAS
template<>
bvec Vec<std::complex<double> >::operator<=(std::complex<double>) const
{
it_error("operator<=: not implemented for complex");
bvec temp;
return temp;
}
template<>
bvec Vec<std::complex<double> >::operator>(std::complex<double>) const
{
it_error("operator>: not implemented for complex");
bvec temp;
return temp;
}
template<>
bvec Vec<std::complex<double> >::operator<(std::complex<double>) const
{
it_error("operator<: not implemented for complex");
bvec temp;
return temp;
}
template<>
bvec Vec<std::complex<double> >::operator>=(std::complex<double>) const
{
it_error("operator>=: not implemented for complex");
bvec temp;
return temp;
}
template<>
Mat<std::complex<double> > Vec<std::complex<double> >::hermitian_transpose() const
{
Mat<std::complex<double> > temp(1, datasize);
for (int i = 0; i < datasize; i++)
temp(i) = std::conj(data[i]);
return temp;
}
//---------------------------------------------------------------------
// Instantiations
//---------------------------------------------------------------------
template class ITPP_EXPORT Vec<double>;
template class ITPP_EXPORT Vec<int>;
template class ITPP_EXPORT Vec<short int>;
template class ITPP_EXPORT Vec<std::complex<double> >;
template class ITPP_EXPORT Vec<bin>;
// addition operator
template ITPP_EXPORT vec operator+(const vec &v1, const vec &v2);
template ITPP_EXPORT cvec operator+(const cvec &v1, const cvec &v2);
template ITPP_EXPORT ivec operator+(const ivec &v1, const ivec &v2);
template ITPP_EXPORT svec operator+(const svec &v1, const svec &v2);
template ITPP_EXPORT bvec operator+(const bvec &v1, const bvec &v2);
template ITPP_EXPORT vec operator+(const vec &v1, double t);
template ITPP_EXPORT cvec operator+(const cvec &v1, std::complex<double> t);
template ITPP_EXPORT ivec operator+(const ivec &v1, int t);
template ITPP_EXPORT svec operator+(const svec &v1, short t);
template ITPP_EXPORT bvec operator+(const bvec &v1, bin t);
template ITPP_EXPORT vec operator+(double t, const vec &v1);
template ITPP_EXPORT cvec operator+(std::complex<double> t, const cvec &v1);
template ITPP_EXPORT ivec operator+(int t, const ivec &v1);
template ITPP_EXPORT svec operator+(short t, const svec &v1);
template ITPP_EXPORT bvec operator+(bin t, const bvec &v1);
// subraction operator
template ITPP_EXPORT vec operator-(const vec &v1, const vec &v2);
template ITPP_EXPORT cvec operator-(const cvec &v1, const cvec &v2);
template ITPP_EXPORT ivec operator-(const ivec &v1, const ivec &v2);
template ITPP_EXPORT svec operator-(const svec &v1, const svec &v2);
template ITPP_EXPORT bvec operator-(const bvec &v1, const bvec &v2);
template ITPP_EXPORT vec operator-(const vec &v, double t);
template ITPP_EXPORT cvec operator-(const cvec &v, std::complex<double> t);
template ITPP_EXPORT ivec operator-(const ivec &v, int t);
template ITPP_EXPORT svec operator-(const svec &v, short t);
template ITPP_EXPORT bvec operator-(const bvec &v, bin t);
template ITPP_EXPORT vec operator-(double t, const vec &v);
template ITPP_EXPORT cvec operator-(std::complex<double> t, const cvec &v);
template ITPP_EXPORT ivec operator-(int t, const ivec &v);
template ITPP_EXPORT svec operator-(short t, const svec &v);
template ITPP_EXPORT bvec operator-(bin t, const bvec &v);
// unary minus
template ITPP_EXPORT vec operator-(const vec &v);
template ITPP_EXPORT cvec operator-(const cvec &v);
template ITPP_EXPORT ivec operator-(const ivec &v);
template ITPP_EXPORT svec operator-(const svec &v);
template ITPP_EXPORT bvec operator-(const bvec &v);
// multiplication operator
template ITPP_EXPORT std::complex<double> dot(const cvec &v1, const cvec &v2);
template ITPP_EXPORT int dot(const ivec &v1, const ivec &v2);
template ITPP_EXPORT short dot(const svec &v1, const svec &v2);
template ITPP_EXPORT bin dot(const bvec &v1, const bvec &v2);
template ITPP_EXPORT double operator*(const vec &v1, const vec &v2);
template ITPP_EXPORT std::complex<double> operator*(const cvec &v1, const cvec &v2);
template ITPP_EXPORT int operator*(const ivec &v1, const ivec &v2);
template ITPP_EXPORT short operator*(const svec &v1, const svec &v2);
template ITPP_EXPORT bin operator*(const bvec &v1, const bvec &v2);
template ITPP_EXPORT imat outer_product(const ivec &v1, const ivec &v2, bool hermitian);
template ITPP_EXPORT smat outer_product(const svec &v1, const svec &v2, bool hermitian);
template ITPP_EXPORT bmat outer_product(const bvec &v1, const bvec &v2, bool hermitian);
template ITPP_EXPORT vec operator*(const vec &v, double t);
template ITPP_EXPORT cvec operator*(const cvec &v, std::complex<double> t);
template ITPP_EXPORT ivec operator*(const ivec &v, int t);
template ITPP_EXPORT svec operator*(const svec &v, short t);
template ITPP_EXPORT bvec operator*(const bvec &v, bin t);
template ITPP_EXPORT vec operator*(double t, const vec &v);
template ITPP_EXPORT cvec operator*(std::complex<double> t, const cvec &v);
template ITPP_EXPORT ivec operator*(int t, const ivec &v);
template ITPP_EXPORT svec operator*(short t, const svec &v);
template ITPP_EXPORT bvec operator*(bin t, const bvec &v);
// elementwise multiplication
template ITPP_EXPORT vec elem_mult(const vec &a, const vec &b);
template ITPP_EXPORT cvec elem_mult(const cvec &a, const cvec &b);
template ITPP_EXPORT ivec elem_mult(const ivec &a, const ivec &b);
template ITPP_EXPORT svec elem_mult(const svec &a, const svec &b);
template ITPP_EXPORT bvec elem_mult(const bvec &a, const bvec &b);
template ITPP_EXPORT void elem_mult_out(const vec &a, const vec &b, vec &out);
template ITPP_EXPORT void elem_mult_out(const cvec &a, const cvec &b, cvec &out);
template ITPP_EXPORT void elem_mult_out(const ivec &a, const ivec &b, ivec &out);
template ITPP_EXPORT void elem_mult_out(const svec &a, const svec &b, svec &out);
template ITPP_EXPORT void elem_mult_out(const bvec &a, const bvec &b, bvec &out);
template ITPP_EXPORT vec elem_mult(const vec &a, const vec &b, const vec &c);
template ITPP_EXPORT cvec elem_mult(const cvec &a, const cvec &b, const cvec &c);
template ITPP_EXPORT ivec elem_mult(const ivec &a, const ivec &b, const ivec &c);
template ITPP_EXPORT svec elem_mult(const svec &a, const svec &b, const svec &c);
template ITPP_EXPORT bvec elem_mult(const bvec &a, const bvec &b, const bvec &c);
template ITPP_EXPORT void elem_mult_out(const vec &a, const vec &b, const vec &c,
vec &out);
template ITPP_EXPORT void elem_mult_out(const cvec &a, const cvec &b, const cvec &c,
cvec &out);
template ITPP_EXPORT void elem_mult_out(const ivec &a, const ivec &b, const ivec &c,
ivec &out);
template ITPP_EXPORT void elem_mult_out(const svec &a, const svec &b, const svec &c,
svec &out);
template ITPP_EXPORT void elem_mult_out(const bvec &a, const bvec &b, const bvec &c,
bvec &out);
template ITPP_EXPORT vec elem_mult(const vec &a, const vec &b, const vec &c,
const vec &d);
template ITPP_EXPORT cvec elem_mult(const cvec &a, const cvec &b, const cvec &c,
const cvec &d);
template ITPP_EXPORT ivec elem_mult(const ivec &a, const ivec &b, const ivec &c,
const ivec &d);
template ITPP_EXPORT svec elem_mult(const svec &a, const svec &b, const svec &c,
const svec &d);
template ITPP_EXPORT bvec elem_mult(const bvec &a, const bvec &b, const bvec &c,
const bvec &d);
template ITPP_EXPORT void elem_mult_out(const vec &a, const vec &b, const vec &c,
const vec &d, vec &out);
template ITPP_EXPORT void elem_mult_out(const cvec &a, const cvec &b, const cvec &c,
const cvec &d, cvec &out);
template ITPP_EXPORT void elem_mult_out(const ivec &a, const ivec &b, const ivec &c,
const ivec &d, ivec &out);
template ITPP_EXPORT void elem_mult_out(const svec &a, const svec &b, const svec &c,
const svec &d, svec &out);
template ITPP_EXPORT void elem_mult_out(const bvec &a, const bvec &b, const bvec &c,
const bvec &d, bvec &out);
// in-place elementwise multiplication
template ITPP_EXPORT void elem_mult_inplace(const vec &a, vec &b);
template ITPP_EXPORT void elem_mult_inplace(const cvec &a, cvec &b);
template ITPP_EXPORT void elem_mult_inplace(const ivec &a, ivec &b);
template ITPP_EXPORT void elem_mult_inplace(const svec &a, svec &b);
template ITPP_EXPORT void elem_mult_inplace(const bvec &a, bvec &b);
// elementwise multiplication followed by summation
template ITPP_EXPORT double elem_mult_sum(const vec &a, const vec &b);
template ITPP_EXPORT std::complex<double> elem_mult_sum(const cvec &a, const cvec &b);
template ITPP_EXPORT int elem_mult_sum(const ivec &a, const ivec &b);
template ITPP_EXPORT short elem_mult_sum(const svec &a, const svec &b);
template ITPP_EXPORT bin elem_mult_sum(const bvec &a, const bvec &b);
// division operator
template ITPP_EXPORT vec operator/(const vec &v, double t);
template ITPP_EXPORT cvec operator/(const cvec &v, std::complex<double> t);
template ITPP_EXPORT ivec operator/(const ivec &v, int t);
template ITPP_EXPORT svec operator/(const svec &v, short t);
template ITPP_EXPORT bvec operator/(const bvec &v, bin t);
template ITPP_EXPORT vec operator/(double t, const vec &v);
template ITPP_EXPORT cvec operator/(std::complex<double> t, const cvec &v);
template ITPP_EXPORT ivec operator/(int t, const ivec &v);
template ITPP_EXPORT svec operator/(short t, const svec &v);
template ITPP_EXPORT bvec operator/(bin t, const bvec &v);
// elementwise division operator
template ITPP_EXPORT vec elem_div(const vec &a, const vec &b);
template ITPP_EXPORT cvec elem_div(const cvec &a, const cvec &b);
template ITPP_EXPORT ivec elem_div(const ivec &a, const ivec &b);
template ITPP_EXPORT svec elem_div(const svec &a, const svec &b);
template ITPP_EXPORT bvec elem_div(const bvec &a, const bvec &b);
template ITPP_EXPORT vec elem_div(double t, const vec &v);
template ITPP_EXPORT cvec elem_div(std::complex<double> t, const cvec &v);
template ITPP_EXPORT ivec elem_div(int t, const ivec &v);
template ITPP_EXPORT svec elem_div(short t, const svec &v);
template ITPP_EXPORT bvec elem_div(bin t, const bvec &v);
template ITPP_EXPORT void elem_div_out(const vec &a, const vec &b, vec &out);
template ITPP_EXPORT void elem_div_out(const cvec &a, const cvec &b, cvec &out);
template ITPP_EXPORT void elem_div_out(const ivec &a, const ivec &b, ivec &out);
template ITPP_EXPORT void elem_div_out(const svec &a, const svec &b, svec &out);
template ITPP_EXPORT void elem_div_out(const bvec &a, const bvec &b, bvec &out);
// elementwise division followed by summation
template ITPP_EXPORT double elem_div_sum(const vec &a, const vec &b);
template ITPP_EXPORT std::complex<double> elem_div_sum(const cvec &a, const cvec &b);
template ITPP_EXPORT int elem_div_sum(const ivec &a, const ivec &b);
template ITPP_EXPORT short elem_div_sum(const svec &a, const svec &b);
template ITPP_EXPORT bin elem_div_sum(const bvec &a, const bvec &b);
// concat operator
template ITPP_EXPORT vec concat(const vec &v, double a);
template ITPP_EXPORT cvec concat(const cvec &v, std::complex<double> a);
template ITPP_EXPORT ivec concat(const ivec &v, int a);
template ITPP_EXPORT svec concat(const svec &v, short a);
template ITPP_EXPORT bvec concat(const bvec &v, bin a);
template ITPP_EXPORT vec concat(double a, const vec &v);
template ITPP_EXPORT cvec concat(std::complex<double> a, const cvec &v);
template ITPP_EXPORT ivec concat(int a, const ivec &v);
template ITPP_EXPORT svec concat(short a, const svec &v);
template ITPP_EXPORT bvec concat(bin a, const bvec &v);
template ITPP_EXPORT vec concat(const vec &v1, const vec &v2);
template ITPP_EXPORT cvec concat(const cvec &v1, const cvec &v2);
template ITPP_EXPORT ivec concat(const ivec &v1, const ivec &v2);
template ITPP_EXPORT svec concat(const svec &v1, const svec &v2);
template ITPP_EXPORT bvec concat(const bvec &v1, const bvec &v2);
template ITPP_EXPORT vec concat(const vec &v1, const vec &v2, const vec &v3);
template ITPP_EXPORT cvec concat(const cvec &v1, const cvec &v2, const cvec &v3);
template ITPP_EXPORT ivec concat(const ivec &v1, const ivec &v2, const ivec &v3);
template ITPP_EXPORT svec concat(const svec &v1, const svec &v2, const svec &v3);
template ITPP_EXPORT bvec concat(const bvec &v1, const bvec &v2, const bvec &v3);
template ITPP_EXPORT vec concat(const vec &v1, const vec &v2,
const vec &v3, const vec &v4);
template ITPP_EXPORT cvec concat(const cvec &v1, const cvec &v2,
const cvec &v3, const cvec &v4);
template ITPP_EXPORT ivec concat(const ivec &v1, const ivec &v2,
const ivec &v3, const ivec &v4);
template ITPP_EXPORT svec concat(const svec &v1, const svec &v2,
const svec &v3, const svec &v4);
template ITPP_EXPORT bvec concat(const bvec &v1, const bvec &v2,
const bvec &v3, const bvec &v4);
template ITPP_EXPORT vec concat(const vec &v1, const vec &v2, const vec &v3,
const vec &v4, const vec &v5);
template ITPP_EXPORT cvec concat(const cvec &v1, const cvec &v2, const cvec &v3,
const cvec &v4, const cvec &v5);
template ITPP_EXPORT ivec concat(const ivec &v1, const ivec &v2, const ivec &v3,
const ivec &v4, const ivec &v5);
template ITPP_EXPORT svec concat(const svec &v1, const svec &v2, const svec &v3,
const svec &v4, const svec &v5);
template ITPP_EXPORT bvec concat(const bvec &v1, const bvec &v2, const bvec &v3,
const bvec &v4, const bvec &v5);
// I/O streams
template ITPP_EXPORT std::ostream &operator<<(std::ostream& os, const vec &vect);
template ITPP_EXPORT std::ostream &operator<<(std::ostream& os, const cvec &vect);
template ITPP_EXPORT std::ostream &operator<<(std::ostream& os, const svec &vect);
template ITPP_EXPORT std::ostream &operator<<(std::ostream& os, const ivec &vect);
template ITPP_EXPORT std::ostream &operator<<(std::ostream& os, const bvec &vect);
template ITPP_EXPORT std::istream &operator>>(std::istream& is, vec &vect);
template ITPP_EXPORT std::istream &operator>>(std::istream& is, cvec &vect);
template ITPP_EXPORT std::istream &operator>>(std::istream& is, svec &vect);
template ITPP_EXPORT std::istream &operator>>(std::istream& is, ivec &vect);
template ITPP_EXPORT std::istream &operator>>(std::istream& is, bvec &vect);
} // namespace itpp
itpp::Array::operator=
Array< T > & operator=(const T &e)
Assignment operator.
Definition array.h:338
itpp::Array::data
T * data
A pointer to the data area.
Definition array.h:189
itpp::Array::set_size
void set_size(int n, bool copy=false)
Resizing an Array<T>.
Definition array.h:257
converters.h
Definitions of converters between different vector and matrix types.
it_error
#define it_error(s)
Abort unconditionally.
Definition itassert.h:126
it_assert_debug
#define it_assert_debug(t, s)
Abort if t is not true and NDEBUG is not defined.
Definition itassert.h:107
it_assert
#define it_assert(t, s)
Abort if t is not true.
Definition itassert.h:94
itpp::Vec::set
void set(const char *str)
Set the vector equal to the values in the str string.
Definition vec.h:814
itpp::hermitian_transpose
void hermitian_transpose(const Mat< T > &m, Mat< T > &out)
Definition matfunc.h:318
itpp::find
ivec find(const bvec &invector)
Return a integer vector with indicies where bvec == 1.
Definition specmat.cpp:40
itpp::conj
cvec conj(const cvec &x)
Conjugate of complex value.
Definition elem_math.h:226
bmat
Mat< bin > bmat
bin matrix
Definition mat.h:508
itpp
itpp namespace
Definition itmex.h:37
itpp::to_svec
svec to_svec(const Vec< T > &v)
Converts a Vec<T> to svec.
Definition converters.h:65
itpp::elem_mult_inplace
void elem_mult_inplace(const Mat< Num_T > &m1, Mat< Num_T > &m2)
In-place element wise multiplication of two matrices. Fast version of B = elem_mult(A,...
Definition mat.h:1630
itpp::operator<<
std::ostream & operator<<(std::ostream &output, const bin &inbin)
Output stream of bin.
Definition binary.cpp:36
itpp::operator-
Mat< Num_T > operator-(const Mat< Num_T > &m1, const Mat< Num_T > &m2)
Subtraction of two matrices.
Definition mat.h:1382
itpp::concat
const Array< T > concat(const Array< T > &a, const T &e)
Append element e to the end of the Array a.
Definition array.h:486
itpp::operator*
GF2mat operator*(const GF2mat &X, const GF2mat &Y)
GF(2) matrix multiplication.
Definition gf2mat.cpp:847
itpp::operator/
Mat< Num_T > operator/(const Mat< Num_T > &m, Num_T t)
Element-wise division by a scalar.
Definition mat.h:1670
itpp::dot
Num_T dot(const Vec< Num_T > &v1, const Vec< Num_T > &v2)
Inner (dot) product of two vectors v1 and v2.
Definition vec.h:1005
itpp::elem_div_out
void elem_div_out(const Mat< Num_T > &m1, const Mat< Num_T > &m2, Mat< Num_T > &out)
Element wise division of two matrices, storing the result in matrix out.
Definition mat.h:1696
itpp::operator>>
std::istream & operator>>(std::istream &input, bin &outbin)
Input stream of bin.
Definition binary.cpp:42
itpp::eps
const double eps
Constant eps.
Definition misc.h:109
itpp::elem_div
Mat< Num_T > elem_div(const Mat< Num_T > &m1, const Mat< Num_T > &m2)
Element wise division of two matrices.
Definition mat.h:1688
itpp::elem_div_sum
Num_T elem_div_sum(const Mat< Num_T > &m1, const Mat< Num_T > &m2)
Element wise division of two matrices, followed by summation of the resultant elements....
Definition mat.h:1710
itpp::operator+
GF2mat operator+(const GF2mat &X, const GF2mat &Y)
GF(2) matrix addition.
Definition gf2mat.cpp:948
itpp::elem_mult
Mat< Num_T > elem_mult(const Mat< Num_T > &m1, const Mat< Num_T > &m2)
Element wise multiplication of two matrices.
Definition mat.h:1582
itpp::elem_mult_sum
Num_T elem_mult_sum(const Mat< Num_T > &m1, const Mat< Num_T > &m2)
Element wise multiplication of two matrices, followed by summation of the resultant elements....
Definition mat.h:1639
itpp::elem_mult_out
void elem_mult_out(const Mat< Num_T > &m1, const Mat< Num_T > &m2, Mat< Num_T > &out)
Element wise multiplication of two matrices, storing the result in matrix out.
Definition mat.h:1590
itpp::outer_product
Mat< Num_T > outer_product(const Vec< Num_T > &v1, const Vec< Num_T > &v2, bool hermitian=false)
Outer product of two vectors v1 and v2.
Definition vec.h:1021
vec.h
Templated Vector Class Definitions.

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