1 #ifndef _theplu_yat_utility_utility_ 2 #define _theplu_yat_utility_utility_ 36 #include "concept_check.h" 38 #include "Exception.h" 39 #include "iterator_traits.h" 40 #include "WeightIterator.h" 41 #include "yat_assert.h" 43 #include <boost/iterator/iterator_concepts.hpp> 44 #include <boost/concept_check.hpp> 77 std::string
basename(
const std::string& fn);
92 const unsigned char type_size=
sizeof(T);
93 YAT_ASSERT(type_size <= 16);
95 is.read(buffer, type_size);
96 memcpy(&x, buffer, type_size);
115 const unsigned char type_size=
sizeof(T);
116 YAT_ASSERT(type_size <= 16);
118 memcpy(buffer, &x, type_size);
119 os.write(buffer, type_size);
141 template<
typename InputIterator,
typename OutputIterator>
143 OutputIterator result);
155 void chdir(
const std::string& dir);
165 void chmod(
const std::string& filename, mode_t mode);
187 T
convert(
const std::string& s);
208 void copy_file(
const std::string& source,
const std::string& target);
221 std::string
dirname(
const std::string& fn);
233 bool fnmatch(
const std::string& pattern,
const std::string& str,
255 int line,
int gsl_errno);
263 bool is(
const std::string& s);
271 bool is_double(
const std::string&) YAT_DEPRECATE;
281 bool is_equal(std::string s, std::string other);
289 bool is_float(
const std::string&) YAT_DEPRECATE;
297 bool is_int(
const std::string&) YAT_DEPRECATE;
302 bool is_nan(
const std::string& s);
340 void load(std::istream&
is, std::vector<std::vector<T> >& vec,
char sep=
'\0',
341 char line_sep=
'\n',
bool ignore_empty=
false,
bool rectangle=
true);
365 void load(std::istream&
is, std::vector<T>& vec,
char sep=
'\0');
386 void mkdir(
const std::string& dir, mode_t mode=0777);
395 void mkdir_p(
const std::string& dir, mode_t mode=0777);
403 #define YAT_MOVE(arg) std::move(arg) 404 #define YAT_MOVE_IF_NOEXCEPT(arg) std::move_if_noexcept(arg) 418 void print_what(
const std::exception& error, std::ostream& out=std::cerr);
427 void remove(
const std::string& fn);
437 void rename(
const std::string& from,
const std::string& to);
445 void replace(std::string& full_str, std::string old_str, std::string new_str);
460 template<
typename Iterator>
461 double sum_weight(Iterator first, Iterator last);
473 void symlink(
const std::string& path1,
const std::string& path2);
491 void operator()(
const std::string& element, std::vector<T>& vec)
494 vec.push_back(std::numeric_limits<T>::quiet_NaN());
496 vec.push_back(theplu::yat::utility::convert<T>(element));
507 struct VectorPusher<
std::string>
512 void operator()(
const std::string& element, std::vector<std::string>& vec)
514 vec.push_back(element);
517 void operator()(std::string&& element, std::vector<std::string>& vec)
519 vec.push_back(std::move(element));
524 template<
typename Iterator>
525 double sum_weight(Iterator first, Iterator last, unweighted_iterator_tag tag)
527 return std::distance(first, last);
531 template<
typename Iterator>
532 double sum_weight(Iterator first, Iterator last, weighted_iterator_tag tag)
534 return std::accumulate(weight_iterator(first), weight_iterator(last), 0);
544 template<
typename InputIterator,
typename OutputIterator>
546 OutputIterator result)
548 BOOST_CONCEPT_ASSERT((boost_concepts::SinglePassIterator<InputIterator>));
549 BOOST_CONCEPT_ASSERT((boost_concepts::ReadableIterator<InputIterator>));
550 BOOST_CONCEPT_ASSERT((boost_concepts::IncrementableIterator<OutputIterator>));
551 BOOST_CONCEPT_ASSERT((boost_concepts::WritableIterator<OutputIterator, float>));
554 while (first!=last) {
555 if (std::isnan(*first)) {
571 std::ostringstream ss;
582 throw runtime_error(std::string(
"yat::utility::convert(\"")+s+
589 bool is(
const std::string& s)
597 void load(std::istream&
is, std::vector<std::vector<T> >& matrix,
598 char sep,
char line_sep,
bool ignore_empty,
601 size_t nof_columns=0;
603 while(getline(
is, line, line_sep)){
604 if (line.empty() && ignore_empty)
607 v.reserve(nof_columns);
608 bool empty_last_element = !line.empty() && line.back()==sep;
609 std::stringstream ss(std::move(line));
612 detail::VectorPusher<T> pusher;
613 if (empty_last_element && sep!=
'\0')
616 if (rectangle && nof_columns && v.size()!=nof_columns) {
617 std::ostringstream s;
618 s <<
"load stream error: " 619 <<
"line " << matrix.size() <<
" has " << v.size()
620 <<
" columns; expected " << nof_columns <<
" columns.";
623 nof_columns =
std::max(nof_columns, v.size());
624 matrix.push_back(std::move(v));
628 is.clear(std::ios::goodbit);
632 void load(std::istream&
is, std::vector<T>& vec,
char sep)
634 detail::VectorPusher<T> pusher;
640 getline(
is, element, sep);
643 pusher(std::move(element), vec);
648 template<
typename Iterator>
652 BOOST_CONCEPT_ASSERT((boost_concepts::ReadableIterator<Iterator>));
653 BOOST_CONCEPT_ASSERT((boost_concepts::SinglePassIterator<Iterator>));
663 if (!std::numeric_limits<T>::is_signed) {
665 std::string::const_iterator iter = s.begin();
666 while (iter!=s.end() && std::isspace(*iter))
670 if (iter==s.end() || *iter==
'-')
673 std::istringstream ss(s);
677 result = std::numeric_limits<T>::quiet_NaN();
681 result = std::numeric_limits<T>::infinity();
686 YAT_ASSERT(std::numeric_limits<T>::is_signed);
687 result = -std::numeric_limits<T>::infinity();
bool is(const std::string &s)
check if string is convertible to (numerical) type T
Definition: utility.h:589
bool is_int(const std::string &)
detail::weighted_iterator_traits_detail< value >::type type
Definition: iterator_traits.h:114
void chdir(const std::string &dir)
std::string dirname(const std::string &fn)
void symlink(const std::string &path1, const std::string &path2)
Concept check for Data Iterator.
Definition: concept_check.h:240
double sum_weight(Iterator first, Iterator last)
Definition: utility.h:649
void rename(const std::string &from, const std::string &to)
The Department of Theoretical Physics namespace as we define it.
void copy_file(const std::string &source, const std::string &target)
Copy file source to target.
Definition: stl_utility.h:64
void replace(std::string &full_str, std::string old_str, std::string new_str)
bool is_double(const std::string &)
bool is_float(const std::string &)
void mkdir_p(const std::string &dir, mode_t mode=0777)
T max(const T &a, const T &b, const T &c)
Definition: stl_utility.h:699
void print_what(const std::exception &error, std::ostream &out=std::cerr)
recursively print exception what
Class used for all runtime error detected within yat library.
Definition: Exception.h:38
void chmod(const std::string &filename, mode_t mode)
bool is_nan(const std::string &s)
std::string getcwd(void)
current directory
void gsl_error_handler(const char *reason, const char *file, int line, int gsl_errno)
bool is_equal(std::string s, std::string other)
bool fnmatch(const std::string &pattern, const std::string &str, int flags=0)
Class to report errors associated with IO operations.
Definition: Exception.h:109
bool binary_weight(InputIterator first, InputIterator last, OutputIterator result)
Definition: utility.h:545
T log2(T x)
Definition: utility.h:375
void binary_write(std::ostream &os, T x)
Definition: utility.h:113
void load(std::istream &is, std::vector< std::vector< T > > &vec, char sep='\0', char line_sep='\n', bool ignore_empty=false, bool rectangle=true)
Definition: utility.h:597
bool convert_try(const std::string &s, T &t)
try to convert
Definition: utility.h:661
std::string basename(const std::string &fn)
void mkdir(const std::string &dir, mode_t mode=0777)
create a directory dir
std::string convert(T input)
convert T to a string
Definition: utility.h:569
std::istream & binary_read(std::istream &is, T &x)
Definition: utility.h:90