Section 3: library functions
srotg.f – Synopsis Functions/Subroutines subroutine srotg (SA, SB, C, S) SROTG Function/Subroutine Documentation subroutine srotg (realSA, realSB, realC, realS) SROTG Purpose: SROTG construct givens plane rotation. Author: Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado Denver NAG Ltd. Date: November 2011 Further Details: jack dongarra, linpack, 3/11/78. Definition at line 47…
srot.f – Synopsis Functions/Subroutines subroutine srot (N, SX, INCX, SY, INCY, C, S) SROT Function/Subroutine Documentation subroutine srot (integerN, real, dimension(*)SX, integerINCX, real, dimension(*)SY, integerINCY, realC, realS) SROT Purpose: applies a plane rotation. Author: Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado Denver NAG Ltd. Date: November 2011 Further Details: jack dongarra,…
Sratom – Detailed Description An LV2 Atom RDF serialisation library. Typedefs typedef struct SratomImpl Sratom Enumerations enum SratomObjectMode { SRATOM_OBJECT_MODE_BLANK, SRATOM_OBJECT_MODE_BLANK_SUBJECT } Functions Sratom * sratom_new (LV2_URID_Map *map) void sratom_free (Sratom *sratom) void sratom_set_sink (Sratom *sratom, const char *base_uri, SerdStatementSink sink, SerdEndSink end_sink, void *handle) void sratom_set_pretty_numbers (Sratom *sratom, bool pretty_numbers) void sratom_set_object_mode (Sratom *sratom,…
random_r, srandom_r, initstate_r, setstate_r – reentrant random number generator Synopsis #include <stdlib.h> int random_r(struct random_data *buf, int32_t *result); int srandom_r(unsigned int seed, struct random_data *buf); int initstate_r(unsigned int seed, char *statebuf, size_t statelen, struct random_data *buf); int setstate_r(char *statebuf, struct random_data *buf); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): random_r(), srandom_r(), initstate_r(), setstate_r(): /*…
random, srandom, initstate, setstate – random number generator Synopsis #include <stdlib.h> long random(void); void srandom(unsigned seed); char *initstate(unsigned seed, char *state, size_t n); char *setstate(char *state); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): random(), srandom(), initstate(), setstate(): _XOPEN_SOURCE >= 500 || /* Glibc since 2.19: */ _DEFAULT_SOURCE || /* Glibc versions <= 2.19: */ _SVID_SOURCE || _BSD_SOURCE Description The random() function uses a nonlinear additive feedback random…
drand48_r, erand48_r, lrand48_r, nrand48_r, mrand48_r, jrand48_r, srand48_r, seed48_r, lcong48_r – generate uniformly distributed pseudo-random numbers reentrantly Synopsis #include <stdlib.h> int drand48_r(struct drand48_data *buffer, double *result); int erand48_r(unsigned short xsubi[3], struct drand48_data *buffer, double *result); int lrand48_r(struct drand48_data *buffer, long *result); int nrand48_r(unsigned short xsubi[3], struct drand48_data *buffer, long *result); int mrand48_r(struct drand48_data *buffer, long *result);…
drand48, erand48, lrand48, nrand48, mrand48, jrand48, srand48, seed48, lcong48 – generate uniformly distributed pseudo-random numbers Synopsis #include <stdlib.h> double drand48(void); double erand48(unsigned short xsubi[3]); long lrand48(void); long nrand48(unsigned short xsubi[3]); long mrand48(void); long jrand48(unsigned short xsubi[3]); void srand48(long seedval); unsigned short *seed48(unsigned short seed16v[3]); void lcong48(unsigned short param[7]); Feature Test Macro Requirements for glibc (see…
rand, rand_r, srand – pseudo-random number generator Synopsis #include <stdlib.h> int rand(void); int rand_r(unsigned int *seedp); void srand(unsigned int seed); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): rand_r(): Since glibc 2.24: _POSIX_C_SOURCE >= 199506L Glibc 2.23 and earlier _POSIX_C_SOURCE Description The rand() function returns a pseudo-random integer in the range 0 to RAND_MAX inclusive (i.e., the…
radixsort sradixsort – radix sort Library Lb libbsd Synopsis In limits.h In bsd/stdlib.h Ft int Fn radixsort const unsigned char **base int nmemb const unsigned char *table unsigned endbyte Ft int Fn sradixsort const unsigned char **base int nmemb const unsigned char *table unsigned endbyte Description The Fn radixsort and Fn sradixsort functions are implementations…
QuantLib::Problem – Constrained optimization problem. Synopsis Problem (CostFunction &costFunction, Constraint &constraint, const Array &initialValue=Array()) default constructor void reset () Real value (const Array &x) call cost function computation and increment evaluation counter Disposable< Array > values (const Array &x) call cost values computation and increment evaluation counter void gradient (Array &grad_f, const Array &x) call…
sqrt, sqrtf, sqrtl – square root function Synopsis #include <math.h> double sqrt(double x); float sqrtf(float x); long double sqrtl(long double x); Link with -lm. Feature Test Macro Requirements for glibc (see feature_test_macros(7)): sqrtf(), sqrtl(): _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L || /* Since glibc 2.19: */ _DEFAULT_SOURCE || /* Glibc versions <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE Description These functions return the nonnegative square root of x. Return Value…
sqrt, sqrtf, sqrtl – square root function Synopsis #include <math.h> double sqrt(double x); float sqrtf(float x); long double sqrtl(long double x); Link with -lm. Feature Test Macro Requirements for glibc (see feature_test_macros(7)): sqrtf(), sqrtl(): _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L || /* Since glibc 2.19: */ _DEFAULT_SOURCE || /* Glibc versions <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE Description These functions return the nonnegative square root of x. Return Value…
QuantLib::StochasticProcessArray – Array of correlated 1-D stochastic processes Synopsis #include <ql/processes/stochasticprocessarray.hpp> Inherits QuantLib::StochasticProcess. Public Member Functions StochasticProcessArray (const std::vector< boost::shared_ptr< StochasticProcess1D > > &, const Matrix &correlation) Size size () const returns the number of dimensions of the stochastic process Disposable< Array > initialValues () const returns the initial values of the state variables Disposable<…
sptts2.f – Synopsis Functions/Subroutines subroutine sptts2 (N, NRHS, D, E, B, LDB) SPTTS2 solves a tridiagonal system of the form AX=B using the L D LH factorization computed by spttrf. Function/Subroutine Documentation subroutine sptts2 (integerN, integerNRHS, real, dimension( * )D, real, dimension( * )E, real, dimension( ldb, * )B, integerLDB) SPTTS2 solves a tridiagonal system…
spttrs.f – Synopsis Functions/Subroutines subroutine spttrs (N, NRHS, D, E, B, LDB, INFO) SPTTRS Function/Subroutine Documentation subroutine spttrs (integerN, integerNRHS, real, dimension( * )D, real, dimension( * )E, real, dimension( ldb, * )B, integerLDB, integerINFO) SPTTRS Purpose: SPTTRS solves a tridiagonal system of the form A * X = B using the L*D*L**T factorization of…
spttrf.f – Synopsis Functions/Subroutines subroutine spttrf (N, D, E, INFO) SPTTRF Function/Subroutine Documentation subroutine spttrf (integerN, real, dimension( * )D, real, dimension( * )E, integerINFO) SPTTRF Purpose: SPTTRF computes the L*D*L**T factorization of a real symmetric positive definite tridiagonal matrix A. The factorization may also be regarded as having the form A = U**T*D*U. …
sptsvx.f – Synopsis Functions/Subroutines subroutine sptsvx (FACT, N, NRHS, D, E, DF, EF, B, LDB, X, LDX, RCOND, FERR, BERR, WORK, INFO) SPTSVX computes the solution to system of linear equations A * X = B for PT matrices Function/Subroutine Documentation subroutine sptsvx (characterFACT, integerN, integerNRHS, real, dimension( * )D, real, dimension( * )E, real,…
sptsv.f – Synopsis Functions/Subroutines subroutine sptsv (N, NRHS, D, E, B, LDB, INFO) SPTSV computes the solution to system of linear equations A * X = B for PT matrices Function/Subroutine Documentation subroutine sptsv (integerN, integerNRHS, real, dimension( * )D, real, dimension( * )E, real, dimension( ldb, * )B, integerLDB, integerINFO) SPTSV computes the solution…
sptrfs.f – Synopsis Functions/Subroutines subroutine sptrfs (N, NRHS, D, E, DF, EF, B, LDB, X, LDX, FERR, BERR, WORK, INFO) SPTRFS Function/Subroutine Documentation subroutine sptrfs (integerN, integerNRHS, real, dimension( * )D, real, dimension( * )E, real, dimension( * )DF, real, dimension( * )EF, real, dimension( ldb, * )B, integerLDB, real, dimension( ldx, * )X, integerLDX,…
spteqr.f – Synopsis Functions/Subroutines subroutine spteqr (COMPZ, N, D, E, Z, LDZ, WORK, INFO) SPTEQR Function/Subroutine Documentation subroutine spteqr (characterCOMPZ, integerN, real, dimension( * )D, real, dimension( * )E, real, dimension( ldz, * )Z, integerLDZ, real, dimension( * )WORK, integerINFO) SPTEQR Purpose: SPTEQR computes all eigenvalues and, optionally, eigenvectors of a symmetric positive definite tridiagonal…