Section 3: library functions
WFMath::Ball – A dim dimensional ball. Synopsis#include <ball.h> Public Member FunctionsBall () construct an uninitialized ball Ball (const Point< dim > ¢er, CoordType radius) construct a ball with the given center and radius Ball (const Ball &b) construct a copy of a ball Ball (const AtlasInType &a) Construct a ball from an object passed by…
WFMath::AxisBox – A dim dimensional axis-aligned box. Synopsis#include <axisbox.h> Public Member FunctionsAxisBox () Construct an uninitialized box. AxisBox (const Point< dim > &p1, const Point< dim > &p2, bool ordered=false) Construct a box with opposite corners p1 and p2. AxisBox (const AxisBox &a) Construct a copy of a box. AxisBox (const AtlasInType &a) Construct a…
stpttf.f – Synopsis Functions/Subroutines subroutine stpttf (TRANSR, UPLO, N, AP, ARF, INFO) STPTTF copies a triangular matrix from the standard packed format (TP) to the rectangular full packed format (TF). Function/Subroutine Documentation subroutine stpttf (characterTRANSR, characterUPLO, integerN, real, dimension( 0: * )AP, real, dimension( 0: * )ARF, integerINFO) STPTTF copies a triangular matrix from the…
stptrs.f – Synopsis Functions/Subroutines subroutine stptrs (UPLO, TRANS, DIAG, N, NRHS, AP, B, LDB, INFO) STPTRS Function/Subroutine Documentation subroutine stptrs (characterUPLO, characterTRANS, characterDIAG, integerN, integerNRHS, real, dimension( * )AP, real, dimension( ldb, * )B, integerLDB, integerINFO) STPTRS Purpose: STPTRS solves a triangular system of the form A * X = B or A**T * X…
sla_syrfsx_extended.f – Synopsis Functions/Subroutines subroutine sla_syrfsx_extended (PREC_TYPE, UPLO, N, NRHS, A, LDA, AF, LDAF, IPIV, COLEQU, C, B, LDB, Y, LDY, BERR_OUT, N_NORMS, ERR_BNDS_NORM, ERR_BNDS_COMP, RES, AYB, DY, Y_TAIL, RCOND, ITHRESH, RTHRESH, DZ_UB, IGNORE_CWISE, INFO) SLA_SYRFSX_EXTENDED improves the computed solution to a system of linear equations for symmetric indefinite matrices by performing extra-precise iterative refinement…
sla_syrcond.f – Synopsis Functions/Subroutines REAL function sla_syrcond (UPLO, N, A, LDA, AF, LDAF, IPIV, CMODE, C, INFO, WORK, IWORK) SLA_SYRCOND estimates the Skeel condition number for a symmetric indefinite matrix. Function/Subroutine Documentation REAL function sla_syrcond (characterUPLO, integerN, real, dimension( lda, * )A, integerLDA, real, dimension( ldaf, * )AF, integerLDAF, integer, dimension( * )IPIV, integerCMODE, real,…
slahr2.f – Synopsis Functions/Subroutines subroutine slahr2 (N, K, NB, A, LDA, TAU, T, LDT, Y, LDY) SLAHR2 reduces the specified number of first columns of a general rectangular matrix A so that elements below the specified subdiagonal are zero, and returns auxiliary matrices which are needed to apply the transformation to the unreduced part of…
slahqr.f – Synopsis Functions/Subroutines subroutine slahqr (WANTT, WANTZ, N, ILO, IHI, H, LDH, WR, WI, ILOZ, IHIZ, Z, LDZ, INFO) SLAHQR computes the eigenvalues and Schur factorization of an upper Hessenberg matrix, using the double-shift/single-shift QR algorithm. Function/Subroutine Documentation subroutine slahqr (logicalWANTT, logicalWANTZ, integerN, integerILO, integerIHI, real, dimension( ldh, * )H, integerLDH, real, dimension( *…
sd-daemon, SD_EMERG, SD_ALERT, SD_CRIT, SD_ERR, SD_WARNING, SD_NOTICE, SD_INFO, SD_DEBUG – APIs for new-style daemons Synopsis #include <systemd/sd-daemon.h> pkg-config –cflags –libs libsystemd Description sd-daemon.h provide APIs for new-style daemons, as implemented by the systemd(1) init system. See sd_listen_fds(3), sd_notify(3), sd_booted(3), sd_is_fifo(3), sd_watchdog_enabled(3) for more information about the functions implemented. In addition to these functions, a couple…
sd-daemon, SD_EMERG, SD_ALERT, SD_CRIT, SD_ERR, SD_WARNING, SD_NOTICE, SD_INFO, SD_DEBUG – APIs for new-style daemons Synopsis #include <systemd/sd-daemon.h> pkg-config –cflags –libs libsystemd Description sd-daemon.h provide APIs for new-style daemons, as implemented by the systemd(1) init system. See sd_listen_fds(3), sd_notify(3), sd_booted(3), sd_is_fifo(3), sd_watchdog_enabled(3) for more information about the functions implemented. In addition to these functions, a couple…
SDL_SaveBMP – Save an SDL_Surface as a Windows BMP file. Synopsis #include "SDL.h" int SDL_SaveBMP(SDL_Surface *surface, const char *file); Description Saves the SDL_Surface surface as a Windows BMP file named file. Return Value Returns 0 if successful or -1 if there was an error. See Also SDL_LoadBMP
SDL_ResizeEvent – Window resize event structure Structure Definition typedef struct{ Uint8 type; int w, h; } SDL_ResizeEvent; Structure Data type SDL_VIDEORESIZE w, h New width and height of the window Description SDL_ResizeEvent is a member of the SDL_Event union and is used when an event of type SDL_VIDEORESIZE is reported. When SDL_RESIZABLE is passed as…
SDL_RemoveTimer – Remove a timer which was added with SDL_AddTimer. Synopsis #include "SDL.h" SDL_bool SDL_RemoveTimer(SDL_TimerID id); Description Removes a timer callback previously added with SDL_AddTimer. Return Value Returns a boolean value indicating success. Examples SDL_RemoveTimer(my_timer_id); See Also SDL_AddTimer
SDL_GetCursor – Get the currently active mouse cursor. Synopsis #include "SDL.h" SDL_Cursor *SDL_GetCursor(void); Description Returns the currently active mouse cursor. See Also SDL_SetCursor, SDL_CreateCursor, SDL_ShowCursor
SDL_GetClipRect – Gets the clipping rectangle for a surface. Synopsis #include "SDL.h" void SDL_GetClipRect(SDL_Surface *surface, SDL_Rect *rect); Description Gets the clipping rectangle for a surface. When this surface is the destination of a blit, only the area within the clip rectangle is drawn into. The rectangle pointed to by rect will be filled with the…
SDL_EnableKeyRepeat – Set keyboard repeat rate. Synopsis #include "SDL.h" int SDL_EnableKeyRepeat(int delay, int interval); Description Enables or disables the keyboard repeat rate. delay specifies how long the key must be pressed before it begins repeating, it then repeats at the speed specified by interval. Both delay and interval are expressed in milliseconds. Setting delay to…
SDL_DisplayYUVOverlay – Blit the overlay to the display Synopsis #include "SDL.h" int SDL_DisplayYUVOverlay(SDL_Overlay *overlay, SDL_Rect *dstrect); Description Blit the overlay to the surface specified when it was created. The SDL_Rect structure, dstrect, specifies the position and size of the destination. If the dstrect is a larger or smaller than the overlay then the overlay will…
SDL_DisplayFormatAlpha – Convert a surface to the display format Synopsis #include "SDL.h" SDL_Surface *SDL_DisplayFormatAlpha(SDL_Surface *surface); Description This function takes a surface and copies it to a new surface of the pixel format and colors of the video framebuffer plus an alpha channel, suitable for fast blitting onto the display surface. It calls SDL_ConvertSurface If you…
SDL_DisplayFormat – Convert a surface to the display format Synopsis #include "SDL.h" SDL_Surface *SDL_DisplayFormat(SDL_Surface *surface); Description This function takes a surface and copies it to a new surface of the pixel format and colors of the video framebuffer, suitable for fast blitting onto the display surface. It calls SDL_ConvertSurface If you want to take advantage…
SDL_DestroySemaphore – Destroys a semaphore that was created by SDL_CreateSemaphore. Synopsis #include "SDL.h" #include "SDL_thread.h" void SDL_DestroySemaphore(SDL_sem *sem); Description SDL_DestroySemaphore destroys the semaphore pointed to by sem that was created by SDL_CreateSemaphore. It is not safe to destroy a semaphore if there are threads currently blocked waiting on it. Examples if (my_sem != NULL) {…