Section 3: library functions
NAME ck_array_put – attempt immediate or deferred insertion of a pointer into array LIBRARY Concurrency Kit (libck, -lck) SYNOPSIS In ck_array.h Ft bool Fn ck_array_put ck_array_t *array void *pointer DESCRIPTION The Fn ck_array_put 3 function will attempt to insert the value of Fa pointer into the array pointed to by Fa array . This function…
NAME ck_array_length – returns the number of pointers committed to an array LIBRARY Concurrency Kit (libck, -lck) SYNOPSIS In ck_array.h Ft unsigned int Fn ck_array_length ck_array_t *array DESCRIPTION The Fn ck_array_length 3 function returns the number of items a concurrent traversal operation would encounter at completion time. RETURN VALUES The number of traversal-visible pointers is…
NAME ck_array_initialized – indicates whether an array was recently initialized or deinitialized LIBRARY Concurrency Kit (libck, -lck) SYNOPSIS In ck_array.h Ft bool Fn ck_array_initialized ck_array_t *array DESCRIPTION The Fn ck_array_initialized 3 can be used to determine whether an array was recently initialized with Fn ck_array_init 3 or deinitialized with Fn ck_array_deinit 3 . Behavior is…
NAME ck_array_init – initialize a pointer array LIBRARY Concurrency Kit (libck, -lck) SYNOPSIS In ck_array.h Ft bool Fn ck_array_init ck_array_t *array unsigned int mode struct ck_malloc *allocator unsigned int initial_length DESCRIPTION The Fn ck_array_init 3 function initializes the array pointed to by the argument Fa array . The mode value must be CK_ARRAY_MODE_SPMC The Fa…
NAME ck_array_deinit – destroy and deinitialize a pointer array LIBRARY Concurrency Kit (libck, -lck) SYNOPSIS In ck_array.h Ft void Fn ck_array_deinit ck_array_t *array bool defer DESCRIPTION The Fn ck_array_deinit 3 destroys the memory associated with the array pointed to by Fa array . The Fa defer argument is true if the allocator must destroy the…
NAME ck_array_commit – linearization point for mutations before commit call LIBRARY Concurrency Kit (libck, -lck) SYNOPSIS In ck_array.h Ft bool Fn ck_array_commit ck_array_t *array DESCRIPTION The Fn ck_array_commit 3 function will commit any pending put or remove operations associated with the array. The function may end up requesting the safe reclamation of memory actively being…
NAME ck_array_buffer – return length and pointer to array of reader-visible pointers LIBRARY Concurrency Kit (libck, -lck) SYNOPSIS In ck_array.h Ft void * Fn ck_array_buffer ck_array_t *array unsigned int *length DESCRIPTION The Fn ck_array_buffer 3 returns a pointer to the array of pointers currently visible to readers after the last commit operation in Fa array…
NAME CIRCLEQ_EMPTY, CIRCLEQ_ENTRY, CIRCLEQ_FIRST, CIRCLEQ_FOREACH, CIRCLEQ_FOREACH_REVERSE, CIRCLEQ_HEAD, CIRCLEQ_HEAD_INITIALIZER, CIRCLEQ_INIT, CIRCLEQ_INSERT_AFTER, CIRCLEQ_INSERT_BEFORE, CIRCLEQ_INSERT_HEAD, CIRCLEQ_INSERT_TAIL, CIRCLEQ_LAST, CIRCLEQ_LOOP_NEXT, CIRCLEQ_LOOP_PREV, CIRCLEQ_NEXT, CIRCLEQ_PREV, CIRCLEQ_REMOVE – implementation of a doubly linked circular queue SYNOPSIS #include <sys/queue.h> int CIRCLEQ_EMPTY(CIRCLEQ_HEAD *head); CIRCLEQ_ENTRY(TYPE); struct TYPE *CIRCLEQ_FIRST(CIRCLEQ_HEAD *head); CIRCLEQ_FOREACH(struct TYPE *var, CIRCLEQ_HEAD *head, CIRCLEQ_ENTRY NAME); CIRCLEQ_FOREACH_REVERSE(struct TYPE *var, CIRCLEQ_HEAD *head, CIRCLEQ_ENTRY NAME); CIRCLEQ_HEAD(HEADNAME, TYPE); CIRCLEQ_HEAD…
NAME circlefill – Draws a filled circle. Allegro game programming library. SYNOPSIS #include <allegro.h> void circlefill(BITMAP *bmp, int x, int y, int radius, int color); DESCRIPTION Draws a filled circle with the specified centre and radius. SEE ALSO ellipsefill(3), circle(3), do_circle(3), drawing_mode(3), makecol(3), excolmap(3), excustom(3), exdbuf(3), exflip(3), exlights(3), expal(3), exspline(3), extrans(3) Index
NAME circle – Draws a circle. Allegro game programming library. SYNOPSIS #include <allegro.h> void circle(BITMAP *bmp, int x, int y, int radius, int color); DESCRIPTION Draws a circle with the specified centre and radius. SEE ALSO ellipse(3), arc(3), circlefill(3), do_circle(3), drawing_mode(3), makecol(3), ex12bit(3), exblend(3), excustom(3), exjoy(3), exmem(3), exmouse(3), exquat(3), exsprite(3) Index
NAME cimag, cimagf, cimagl – get imaginary part of a complex number SYNOPSIS #include <complex.h> double cimag(double complex z); float cimagf(float complex z); long double cimagl(long double complex z); Link with -lm. DESCRIPTION These functions return the imaginary part of the complex number z. One has: z = creal(z) + I * cimag(z) VERSIONS These…
NAME cimag, cimagf, cimagl – get imaginary part of a complex number SYNOPSIS #include <complex.h> double cimag(double complex z); float cimagf(float complex z); long double cimagl(long double complex z); Link with -lm. DESCRIPTION These functions return the imaginary part of the complex number z. One has: z = creal(z) + I * cimag(z) VERSIONS These…
NAME cimag, cimagf, cimagl – get imaginary part of a complex number SYNOPSIS #include <complex.h> double cimag(double complex z); float cimagf(float complex z); long double cimagl(long double complex z); Link with -lm. DESCRIPTION These functions return the imaginary part of the complex number z. One has: z = creal(z) + I * cimag(z) VERSIONS These…
chseqr.f – Synopsis Functions/Subroutines subroutine chseqr (JOB, COMPZ, N, ILO, IHI, H, LDH, W, Z, LDZ, WORK, LWORK, INFO) CHSEQR Function/Subroutine Documentation subroutine chseqr (characterJOB, characterCOMPZ, integerN, integerILO, integerIHI, complex, dimension( ldh, * )H, integerLDH, complex, dimension( * )W, complex, dimension( ldz, * )Z, integerLDZ, complex, dimension( * )WORK, integerLWORK, integerINFO) CHSEQR Purpose: CHSEQR computes…
chsein.f – Synopsis Functions/Subroutines subroutine chsein (SIDE, EIGSRC, INITV, SELECT, N, H, LDH, W, VL, LDVL, VR, LDVR, MM, M, WORK, RWORK, IFAILL, IFAILR, INFO) CHSEIN Function/Subroutine Documentation subroutine chsein (characterSIDE, characterEIGSRC, characterINITV, logical, dimension( * )SELECT, integerN, complex, dimension( ldh, * )H, integerLDH, complex, dimension( * )W, complex, dimension( ldvl, * )VL, integerLDVL, complex,…
chptrs.f – Synopsis Functions/Subroutines subroutine chptrs (UPLO, N, NRHS, AP, IPIV, B, LDB, INFO) CHPTRS Function/Subroutine Documentation subroutine chptrs (characterUPLO, integerN, integerNRHS, complex, dimension( * )AP, integer, dimension( * )IPIV, complex, dimension( ldb, * )B, integerLDB, integerINFO) CHPTRS Purpose: CHPTRS solves a system of linear equations A*X = B with a complex Hermitian matrix A…
chptri.f – Synopsis Functions/Subroutines subroutine chptri (UPLO, N, AP, IPIV, WORK, INFO) CHPTRI Function/Subroutine Documentation subroutine chptri (characterUPLO, integerN, complex, dimension( * )AP, integer, dimension( * )IPIV, complex, dimension( * )WORK, integerINFO) CHPTRI Purpose: CHPTRI computes the inverse of a complex Hermitian indefinite matrix A in packed storage using the factorization A = U*D*U**H or…
chptrf.f – Synopsis Functions/Subroutines subroutine chptrf (UPLO, N, AP, IPIV, INFO) CHPTRF Function/Subroutine Documentation subroutine chptrf (characterUPLO, integerN, complex, dimension( * )AP, integer, dimension( * )IPIV, integerINFO) CHPTRF Purpose: CHPTRF computes the factorization of a complex Hermitian packed matrix A using the Bunch-Kaufman diagonal pivoting method: A = U*D*U**H or A = L*D*L**H where U…
chptrd.f – Synopsis Functions/Subroutines subroutine chptrd (UPLO, N, AP, D, E, TAU, INFO) CHPTRD Function/Subroutine Documentation subroutine chptrd (characterUPLO, integerN, complex, dimension( * )AP, real, dimension( * )D, real, dimension( * )E, complex, dimension( * )TAU, integerINFO) CHPTRD Purpose: CHPTRD reduces a complex Hermitian matrix A stored in packed form to real symmetric tridiagonal form…
chpsvx.f – Synopsis Functions/Subroutines subroutine chpsvx (FACT, UPLO, N, NRHS, AP, AFP, IPIV, B, LDB, X, LDX, RCOND, FERR, BERR, WORK, RWORK, INFO) CHPSVX computes the solution to system of linear equations A * X = B for OTHER matrices Function/Subroutine Documentation subroutine chpsvx (characterFACT, characterUPLO, integerN, integerNRHS, complex, dimension( * )AP, complex, dimension( *…