11-05-2010
Well, for fp to get interesting, someone would be modeling airflow on a wing or something like that, with huge matrixes of fp (more at home on a SIMD box but $$). Even applications with considerable fp still use many int operations to calculate addresses. Applications more in strings and RDBMS get very little from fp prowess.
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LEARN ABOUT MOJAVE
glutbuttonboxfunc
glutButtonBoxFunc(3GLUT) GLUT glutButtonBoxFunc(3GLUT)
NAME
glutButtonBoxFunc - sets the dial & button box button callback for the current window.
SYNTAX
#include <GLUT/glut.h>
void glutButtonBoxFunc(void (*func)(int button, int state));
ARGUMENTS
func The new button box callback function.
DESCRIPTION
glutButtonBoxFunc sets the dial & button box button callback for the current window. The dial & button box button callback for a window is
called when the window has dial & button box input focus (normally, when the mouse is in the window) and the user generates dial & button
box button presses. The button parameter will be the button number (starting at one). The number of available dial & button box buttons can
be determined with glutDeviceGet(GLUT_NUM_BUTTON_BOX_BUTTONS). The state is either GLUT_UP or GLUT_DOWN indicating whether the callback was
due to a release or press respectively.
Registering a dial & button box button callback when a dial & button box device is not available is ineffectual and not an error. In this
case, no dial & button box button callbacks will be generated.
Passing NULL to glutButtonBoxFunc disables the generation of dial & button box button callbacks. When a new window is created, no dial &
button box button callback is initially registered.
SEE ALSO
glutDialsFunc, glutDeviceGet, glutSpaceballButtonFunc, glutTabletButtonFunc
AUTHOR
Mark J. Kilgard (mjk@nvidia.com)
GLUT
3.7 glutButtonBoxFunc(3GLUT)