NAME exp10, exp10f, exp10l – base-10 exponential function SYNOPSIS #define _GNU_SOURCE /* See feature_test_macros(7) */ #include <math.h> double exp10(double x); float exp10f(float x); long double exp10l(long double x); Link with -lm. DESCRIPTION These functions return the value of 10 raised to the power of x. RETURN VALUE On success, these functions return the base-10 exponential…
NAME exmouse – Getting input from the mouse. Allegro game programming library. SYNOPSIS #include <allegro.h> Example exmouse DESCRIPTION This program demonstrates how to get mouse input. The first part of the test retrieves the raw mouse input data and displays it on the screen without using any mouse cursor. When you press a key the…
NAME exmidi – Playing MIDI music. Allegro game programming library. SYNOPSIS #include <allegro.h> Example exmidi DESCRIPTION This program demonstrates how to play MIDI files. SEE ALSO END_OF_MAIN(3), MIDI(3), SCREEN_H(3), SCREEN_W(3), allegro_error(3), allegro_init(3), allegro_message(3), clear_to_color(3), desktop_palette(3), destroy_midi(3), font(3), get_filename(3), get_midi_length(3), install_keyboard(3), install_sound(3), install_timer(3), key(3), keypressed(3), load_midi(3), makecol(3), midi_pause(3), midi_pos(3), midi_resume(3), midi_time(3), play_midi(3), readkey(3), rectfill(3), rest(3), screen(3),…
NAME exmem – Drawing onto memory bitmaps and then blitting them to the screen. Allegro game programming library. SYNOPSIS #include <allegro.h> Example exmem DESCRIPTION This program demonstrates the use of memory bitmaps. It creates a small temporary bitmap in memory, draws some circles onto it, and then blits lots of copies of it onto the…
NAME exlights – One way to do colored lighting effects in a hicolor video mode. Allegro game programming library. SYNOPSIS #include <allegro.h> Example exlights DESCRIPTION This program shows one way to implement colored lighting effects in a hicolor video mode. Warning: it is not for the faint of heart! This is by no means the…
NAME exkeys – How to get input from the keyboard in different ways. Allegro game programming library. SYNOPSIS #include <allegro.h> Example exkeys DESCRIPTION This program demonstrates how to access the keyboard. The first part shows the basic use of readkey(). The second part shows how to extract the ASCII value. Next come the scan codes….
NAME exjoy – Detecting, calibrating and using joystick input. Allegro game programming library. SYNOPSIS #include <allegro.h> Example exjoy DESCRIPTION This program uses the Allegro library to detect and read the value of a joystick. The output of the program is a small target sight on the screen which you can move. At the same time…
QuantLib::NonLinearLeastSquare – Non-linear least-square method. Synopsis #include <ql/math/optimization/leastsquare.hpp> Public Member Functions NonLinearLeastSquare (Constraint &c, Real accuracy=1e-4, Size maxiter=100) Default constructor. NonLinearLeastSquare (Constraint &c, Real accuracy, Size maxiter, boost::shared_ptr< OptimizationMethod > om) Default constructor. ~NonLinearLeastSquare () Destructor. Array & perform (LeastSquareProblem &lsProblem) Solve least square problem using numerix solver. void setInitialValue (const Array &initialValue) Array &…
NAME exit – cause normal process termination SYNOPSIS #include <stdlib.h> void exit(int status); DESCRIPTION The exit() function causes normal process termination and the least significant byte of status (i.e., status & 0xFF) is returned to the parent (see wait(2)). All functions registered with atexit(3) and on_exit(3) are called, in the reverse order of their registration….
NAME exists – Shortcut version of file_exists() for normal files. Allegro game programming library. SYNOPSIS #include <allegro.h> int exists(const char *filename); DESCRIPTION Shortcut version of file_exists(), which checks for normal files, which may have the archive or read-only bits set, but are not hidden, directories, system files, etc. RETURN VALUE Returns non-zero if the file…
NAME exhello – Simple graphical "hello world" program. Allegro game programming library. SYNOPSIS #include <allegro.h> Example exhello DESCRIPTION This is a very simple program showing how to get into graphics mode and draw text onto the screen. SEE ALSO END_OF_MAIN(3), SCREEN_H(3), SCREEN_W(3), acquire_screen(3), allegro_error(3), allegro_init(3), allegro_message(3), clear_to_color(3), desktop_palette(3), font(3), install_keyboard(3), key(3), makecol(3), readkey(3), release_screen(3), screen(3),…
NAME exgui – Using the GUI routines. Allegro game programming library. SYNOPSIS #include <allegro.h> Example exgui DESCRIPTION This program demonstrates how to use the GUI routines. From the simple dialog controls that display a text or a bitmap to more complex multiple choice selection lists, Allegro provides a framework which can be customised to suit…
NAME exfont – Allegro game programming library. SYNOPSIS #include <allegro.h> Example exfont DESCRIPTION This is a very simple program showing how to load and manipulate fonts. SEE ALSO END_OF_MAIN(3), FONT(3), SCREEN_H(3), SCREEN_W(3), acquire_screen(3), allegro_error(3), allegro_init(3), allegro_message(3), clear_to_color(3), desktop_palette(3), destroy_font(3), extract_font_range(3), font(3), install_keyboard(3), key(3), load_font(3), makecol(3), merge_fonts(3), readkey(3), release_screen(3), screen(3), set_gfx_mode(3), set_palette(3), textout_centre_ex(3) Index
NAME exflip – Comparison of double buffering and page flipping. Allegro game programming library. SYNOPSIS #include <allegro.h> Example exflip DESCRIPTION This program moves a circle across the screen, first with a double buffer and then using page flips. SEE ALSO BITMAP(3), END_OF_MAIN(3), SCREEN_H(3), SCREEN_W(3), allegro_error(3), allegro_init(3), allegro_message(3), blit(3), circlefill(3), clear_keybuf(3), clear_to_color(3), create_bitmap(3), create_video_bitmap(3), desktop_palette(3), destroy_bitmap(3),…
NAME exflame – How to write directly to video memory improving performance. Allegro game programming library. SYNOPSIS #include <allegro.h> Example exflame DESCRIPTION This program demonstrates how to write directly to video memory. It implements a simple fire effect, first by calling getpixel() and putpixel(), then by accessing video memory directly a byte at a time,…
NAME exfixed – Using fixed point maths. Allegro game programming library. SYNOPSIS #include <allegro.h> Example exfixed DESCRIPTION This program demonstrates how to use fixed point numbers, which are signed 32-bit integers storing the integer part in the upper 16 bits and the decimal part in the 16 lower bits. This example also uses the unusual…
NAME exexedat – Appending datafiles onto your executable. Allegro game programming library. SYNOPSIS #include <allegro.h> Example exexedat DESCRIPTION This program demonstrates how to access the contents of an Allegro datafile (created by the grabber utility) linked to the executable by the exedat tool. It is basically the exdata example with minor modifications. You may ask:…
NAME QuantLib::Option – base option class SYNOPSIS #include <ql/option.hpp> Inherits QuantLib::Instrument. Inherited by MultiAssetOption, OneAssetOption, and Swaption. Classes class arguments basic option arguments Public Types enum Type { Put = -1, Call = 1 } Public Member Functions Option (const boost::shared_ptr< Payoff > &payoff, const boost::shared_ptr< Exercise > &exercise) void setupArguments (PricingEngine::arguments *) const boost::shared_ptr<…
QuantLib::DiscretizedOption – Discretized option on a given asset. Synopsis #include <ql/discretizedasset.hpp> Inherits QuantLib::DiscretizedAsset. Inherited by DiscretizedSwaption. Public Member Functions DiscretizedOption (const boost::shared_ptr< DiscretizedAsset > &underlying, Exercise::Type exerciseType, const std::vector< Time > &exerciseTimes) void reset (Size size) std::vector< Time > mandatoryTimes () const Protected Member Functions void postAdjustValuesImpl () void applyExerciseCondition () Protected Attributes boost::shared_ptr< DiscretizedAsset…
QuantLib::DiscretizedOption – Discretized option on a given asset. Synopsis #include <ql/discretizedasset.hpp> Inherits QuantLib::DiscretizedAsset. Inherited by DiscretizedSwaption. Public Member Functions DiscretizedOption (const boost::shared_ptr< DiscretizedAsset > &underlying, Exercise::Type exerciseType, const std::vector< Time > &exerciseTimes) void reset (Size size) std::vector< Time > mandatoryTimes () const Protected Member Functions void postAdjustValuesImpl () void applyExerciseCondition () Protected Attributes boost::shared_ptr< DiscretizedAsset…