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 <gsl/gsl_math.h> 45 #include <boost/iterator/iterator_concepts.hpp> 46 #include <boost/concept_check.hpp> 78 std::string
basename(
const std::string& fn);
99 template<
typename InputIterator,
typename OutputIterator>
101 OutputIterator result);
113 void chdir(
const std::string& dir);
123 void chmod(
const std::string& filename, mode_t mode);
145 T
convert(
const std::string& s);
166 void copy_file(
const std::string& source,
const std::string& target);
179 std::string
dirname(
const std::string& fn);
191 bool fnmatch(
const std::string& pattern,
const std::string& str,
200 bool is(
const std::string& s);
208 bool is_double(
const std::string&) YAT_DEPRECATE;
234 bool is_int(const
std::
string&) YAT_DEPRECATE;
277 void load(
std::istream&
is,
std::vector<
std::vector<T> >& vec,
char sep='\0',
278 char line_sep='\n',
bool ignore_empty=false,
bool rectangle=true);
302 void load(
std::istream& is,
std::vector<T>& vec,
char sep='\0');
315 T
log2(T x) {
return std::log(x)/M_LN2; }
327 void mkdir(
const std::string& dir, mode_t mode=0777);
336 void mkdir_p(
const std::string& dir, mode_t mode=0777);
345 #define YAT_MOVE(arg) std::move(arg) 346 #define YAT_MOVE_IF_NOEXCEPT(arg) std::move_if_noexcept(arg) 349 #define YAT_MOVE(arg) (arg) 351 #define YAT_MOVE_IF_NOEXCEPT(arg) (arg) 368 void print_what(
const std::exception& error, std::ostream& out=std::cerr);
377 void remove(
const std::string& fn);
387 void rename(
const std::string& from,
const std::string& to);
395 void replace(std::string& full_str, std::string old_str, std::string new_str);
410 template<
typename Iterator>
411 double sum_weight(Iterator first, Iterator last);
423 void symlink(
const std::string& path1,
const std::string& path2);
441 void operator()(
const std::string& element, std::vector<T>& vec)
444 vec.push_back(std::numeric_limits<T>::quiet_NaN());
446 vec.push_back(theplu::yat::utility::convert<T>(element));
457 struct VectorPusher<std::string>
462 void operator()(
const std::string& element, std::vector<std::string>& vec)
464 vec.push_back(element);
467 #ifdef YAT_HAVE_RVALUE 468 void operator()(std::string&& element, std::vector<std::string>& vec)
470 vec.push_back(std::move(element));
476 template<
typename Iterator>
479 return std::distance(first, last);
483 template<
typename Iterator>
486 return std::accumulate(weight_iterator(first), weight_iterator(last), 0);
496 template<
typename InputIterator,
typename OutputIterator>
498 OutputIterator result)
500 BOOST_CONCEPT_ASSERT((boost_concepts::SinglePassIterator<InputIterator>));
501 BOOST_CONCEPT_ASSERT((boost_concepts::ReadableIterator<InputIterator>));
502 BOOST_CONCEPT_ASSERT((boost_concepts::IncrementableIterator<OutputIterator>));
503 BOOST_CONCEPT_ASSERT((boost_concepts::WritableIterator<OutputIterator, float>));
506 while (first!=last) {
507 if (std::isnan(*first)) {
523 std::ostringstream ss;
534 throw runtime_error(std::string(
"yat::utility::convert(\"")+s+
541 bool is(
const std::string& s)
549 void load(std::istream& is, std::vector<std::vector<T> >& matrix,
550 char sep,
char line_sep,
bool ignore_empty,
553 size_t nof_columns=0;
555 while(getline(is, line, line_sep)){
556 if (line.empty() && ignore_empty)
558 matrix.push_back(std::vector<T>());
559 std::vector<T>& v=matrix.back();
560 v.reserve(nof_columns);
561 std::stringstream ss(line);
564 detail::VectorPusher<T> pusher;
565 if(sep!=
'\0' && !line.empty() && line[line.size()-1]==sep)
568 if (rectangle && nof_columns && v.size()!=nof_columns) {
569 std::ostringstream s;
570 s <<
"load stream error: " 571 <<
"line " << matrix.size() <<
" has " << v.size()
572 <<
" columns; expected " << nof_columns <<
" columns.";
575 nof_columns =
std::max(nof_columns, v.size());
579 is.clear(std::ios::goodbit);
583 void load(std::istream& is, std::vector<T>& vec,
char sep)
585 detail::VectorPusher<T> pusher;
590 ok=!(is>>element).fail();
592 ok=!getline(is, element, sep).fail();
600 template<
typename Iterator>
604 BOOST_CONCEPT_ASSERT((boost_concepts::ReadableIterator<Iterator>));
605 BOOST_CONCEPT_ASSERT((boost_concepts::SinglePassIterator<Iterator>));
615 if (!std::numeric_limits<T>::is_signed) {
617 std::string::const_iterator iter = s.begin();
618 while (iter!=s.end() && std::isspace(*iter))
622 if (iter==s.end() || *iter==
'-')
625 std::istringstream ss(s);
629 result = std::numeric_limits<T>::quiet_NaN();
633 result = std::numeric_limits<T>::infinity();
638 YAT_ASSERT(std::numeric_limits<T>::is_signed);
639 result = -std::numeric_limits<T>::infinity();
#define YAT_MOVE(arg)
if rvalue not available, do nothing
Definition: utility.h:350
bool is(const std::string &s)
check if string is convertible to (numerical) type T
Definition: utility.h:541
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:601
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: iterator_traits.h:47
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
Definition: iterator_traits.h:55
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)
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:497
T log2(T x)
Definition: utility.h:315
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:549
bool convert_try(const std::string &s, T &t)
try to convert
Definition: utility.h:613
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:521