several mathematical, statistical, string formatting and error reporting routines
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static void | smile::my_error (const std::string &origin, const std::string &message) |
| the interface routine for error reporting (redirects the call to my_error_ptr if it is defined)
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static void | smile::my_message (const std::string &origin, const std::string &message) |
| the interface routine for message reporting (redirects the call to my_message_ptr if it is defined)
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void | smile::my_stderr_show_message (const std::string &origin, const std::string &message) |
| default routine that dumps text messages to stderr More...
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void | smile::gsl_verbose_error_handler (const char *reason, const char *file, int line, int gsl_errno) |
| error reporting routine which is invoked from inside GSL. More...
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template<typename NumberType , typename ValueType > |
NumberType | smile::convertTo (ValueType val) |
| a shorthand function to convert a string to a number
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template<typename ValueType > |
bool | smile::convertToBool (ValueType val) |
| a shorthand function to convert a string to a bool
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template<typename ValueType > |
std::string | smile::convertToString (ValueType val) |
| a shorthand function to convert a number to a string
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static const char * | smile::convertToString (bool val) |
| a shorthand to convert a bool to a string
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template<typename ValueType > |
std::string | smile::convertToString (ValueType val, unsigned int width) |
| a shorthand function to convert a number to a string with a given precision
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std::string | smile::pp (double num, unsigned int width) |
| Pretty-print: convert floating-point or integer numbers to a string of fixed length.
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void | smile::splitString (const std::string &src, const std::string &delim, std::vector< std::string > *result) |
| routine that splits one line from a text file into several items. More...
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bool | smile::ends_with_str (const std::string &str, const std::string &end) |
| routine that checks if a string ends with another string
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bool | smile::strings_equal (const std::string &str1, const std::string &str2) |
| routine that compares two strings in a case-insensitive way
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bool | smile::strings_equal (const std::string &str1, const char *str2) |
| overloaded routine that compares two strings in a case-insensitive way
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void | smile::randomize () |
| initialize random number generator using current time
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double | smile::getRandomNumber () |
| get a random number uniformly distributed in [0..1]
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void | smile::getNormalRandomNumbers (double *num1, double *num2) |
| generates two random numbers with normal distribution (zero mean, dispersion=1)
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void | smile::getRandomUnitVector (double *x, double *y, double *z) |
| generates 2d or 3d random vector with unit length; if z==NULL then create 2d vector, else 3d
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void | smile::createNonuniformGrid (size_t nnodes, double xmin, double xmax, bool zeroelem, std::vector< double > *grid) |
| generates a grid with exponentially growing spacing. More...
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void | smile::createAlmostUniformGrid (const std::vector< double > &srcpoints, size_t minbin, size_t *gridsize, std::vector< double > *grid) |
| creates an almost uniform grid so that each bin contains at least minbin points from input array. More...
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double | smile::findRoot (gsl_function *F, double xlower, double xupper, double xdefault=0, double reltoler=1e-8) |
| wrapper for GSL root solver running multiple iterations until the convergence is achieved. More...
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double | smile::findMin (gsl_function *F, double xlower, double xupper, double xinit, double reltoler=1e-8) |
| wrapper for GSL minimization routine to find local minimum enclosed between xlower < xinit < xupper. More...
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double | smile::findMinGuess (gsl_function *F, double xlower, double xupper, double reltoler=1e-8) |
| wrapper for GSL minimization routine to find local minimum enclosed between xlower < xupper. More...
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double | smile::gsl_spline_evalx (const gsl_spline *spline, double x, gsl_interp_accel *a) |
| modified functions for spline evaluation that extrapolate last segment linearly beyond the definition region
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double | smile::gsl_spline_eval_derivx (const gsl_spline *spline, double x, gsl_interp_accel *a) |
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double | smile::gsl_spline_eval_deriv2x (const gsl_spline *spline, double x, gsl_interp_accel *a) |
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void | smile::cspline_eval_all (const gsl_spline *spline, double x, double *val, double *der, double *der2) |
| convenience function that evaluates cubic spline value, derivative and 2nd derivative at once (faster than doing it separately)
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bool | smile::check_spline_monotonic (const gsl_spline *spline) |
| check if a cubic spline is everywhere monotonic
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gsl_spline * | smile::copyspline (const gsl_spline *src) |
| create a copy of a spline by allocating new memory to all internal arrays and copying their data
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several mathematical, statistical, string formatting and error reporting routines
- Author
- EV
- Date
- 2009-2014