SysTutorials Posts

QuantLib::Problem – Constrained optimization problem. Synopsis #include <ql/math/optimization/problem.hpp> Public Member Functions 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…

NAME QuantLib::CostFunction – Cost function abstract class for optimization problem. SYNOPSIS #include <ql/math/optimization/costfunction.hpp> Inherited by AbcdError, SABRError, FrobeniusCostFunction, LeastSquareFunction, PenaltyFunction< Curve >, and ProjectedCostFunction. Public Member Functions virtual Real value (const Array &x) const =0 method to overload to compute the cost function value in x virtual Disposable< Array > values (const Array &x) const…

NAME grab_font_from_bitmap – Grabs a font from a bitmap Allegro game programming library. SYNOPSIS #include <allegro.h> FONT *grab_font_from_bitmap(BITMAP *bmp) DESCRIPTION This function is the work-horse of load_bitmap_font, and can be used to grab a font from a bitmap in memory. You can use this if you want to generate or modify a font at runtime….

NAME gnutls_x509_trust_list_verify_named_crt – API function SYNOPSIS #include <gnutls/x509.h> int gnutls_x509_trust_list_verify_named_crt(gnutls_x509_trust_list_t list, gnutls_x509_crt_t cert, const void * name, size_t name_size, unsigned int flags, unsigned int * voutput, gnutls_verify_output_function func); ARGUMENTS gnutls_x509_trust_list_t list The structure of the list gnutls_x509_crt_t cert is the certificate to be verified const void * name is the certificate’s name size_t name_size is…

NAME gnutls_x509_trust_list_verify_crt2 – API function SYNOPSIS #include <gnutls/x509.h> int gnutls_x509_trust_list_verify_crt2(gnutls_x509_trust_list_t list, gnutls_x509_crt_t * cert_list, unsigned int cert_list_size, gnutls_typed_vdata_st * data, unsigned int elements, unsigned int flags, unsigned int * voutput, gnutls_verify_output_function func); ARGUMENTS gnutls_x509_trust_list_t list The structure of the list gnutls_x509_crt_t * cert_list is the certificate list to be verified unsigned int cert_list_size is the…

NAME gnutls_x509_trust_list_verify_crt – API function SYNOPSIS #include <gnutls/x509.h> int gnutls_x509_trust_list_verify_crt(gnutls_x509_trust_list_t list, gnutls_x509_crt_t * cert_list, unsigned int cert_list_size, unsigned int flags, unsigned int * voutput, gnutls_verify_output_function func); ARGUMENTS gnutls_x509_trust_list_t list The structure of the list gnutls_x509_crt_t * cert_list is the certificate list to be verified unsigned int cert_list_size is the certificate list size unsigned int flags…

NAME gnutls_x509_trust_list_remove_trust_mem – API function SYNOPSIS #include <gnutls/x509.h> int gnutls_x509_trust_list_remove_trust_mem(gnutls_x509_trust_list_t list, const gnutls_datum_t * cas, gnutls_x509_crt_fmt_t type); ARGUMENTS gnutls_x509_trust_list_t list The structure of the list const gnutls_datum_t * cas A buffer containing a list of CAs (optional) gnutls_x509_crt_fmt_t type The format of the certificates DESCRIPTION This function will remove the provided certificate authorities from the…

NAME gnutls_x509_trust_list_remove_trust_file – API function SYNOPSIS #include <gnutls/x509.h> int gnutls_x509_trust_list_remove_trust_file(gnutls_x509_trust_list_t list, const char * ca_file, gnutls_x509_crt_fmt_t type); ARGUMENTS gnutls_x509_trust_list_t list The structure of the list const char * ca_file A file containing a list of CAs gnutls_x509_crt_fmt_t type The format of the certificates DESCRIPTION This function will remove the given certificate authorities from the trusted…

NAME gnutls_x509_trust_list_remove_cas – API function SYNOPSIS #include <gnutls/x509.h> int gnutls_x509_trust_list_remove_cas(gnutls_x509_trust_list_t list, const gnutls_x509_crt_t * clist, int clist_size); ARGUMENTS gnutls_x509_trust_list_t list The structure of the list const gnutls_x509_crt_t * clist A list of CAs int clist_size The length of the CA list DESCRIPTION This function will remove the given certificate authorities from the trusted list. Note…

NAME gnutls_x509_trust_list_init – API function SYNOPSIS #include <gnutls/x509.h> int gnutls_x509_trust_list_init(gnutls_x509_trust_list_t * list, unsigned int size); ARGUMENTS gnutls_x509_trust_list_t * list The structure to be initialized unsigned int size The size of the internal hash table. Use (0) for default size. DESCRIPTION This function will initialize an X.509 trust list structure. RETURNS On success, GNUTLS_E_SUCCESS (0) is…

NAME gnutls_x509_trust_list_get_issuer – API function SYNOPSIS #include <gnutls/x509.h> int gnutls_x509_trust_list_get_issuer(gnutls_x509_trust_list_t list, gnutls_x509_crt_t cert, gnutls_x509_crt_t * issuer, unsigned int flags); ARGUMENTS gnutls_x509_trust_list_t list The structure of the list gnutls_x509_crt_t cert is the certificate to find issuer for gnutls_x509_crt_t * issuer Will hold the issuer if any. Should be treated as constant. unsigned int flags Use zero…

NAME gnutls_x509_trust_list_deinit – API function SYNOPSIS #include <gnutls/x509.h> void gnutls_x509_trust_list_deinit(gnutls_x509_trust_list_t list, unsigned int all); ARGUMENTS gnutls_x509_trust_list_t list The structure to be deinitialized unsigned int all if non-zero it will deinitialize all the certificates and CRLs contained in the structure. DESCRIPTION This function will deinitialize a trust list. Note that the  all flag should be typically non-zero…

NAME gnutls_x509_trust_list_add_trust_mem – API function SYNOPSIS #include <gnutls/x509.h> int gnutls_x509_trust_list_add_trust_mem(gnutls_x509_trust_list_t list, const gnutls_datum_t * cas, const gnutls_datum_t * crls, gnutls_x509_crt_fmt_t type, unsigned int tl_flags, unsigned int tl_vflags); ARGUMENTS gnutls_x509_trust_list_t list The structure of the list const gnutls_datum_t * cas A buffer containing a list of CAs (optional) const gnutls_datum_t * crls A buffer containing a…

NAME gnutls_x509_trust_list_add_trust_file – API function SYNOPSIS #include <gnutls/x509.h> int gnutls_x509_trust_list_add_trust_file(gnutls_x509_trust_list_t list, const char * ca_file, const char * crl_file, gnutls_x509_crt_fmt_t type, unsigned int tl_flags, unsigned int tl_vflags); ARGUMENTS gnutls_x509_trust_list_t list The structure of the list const char * ca_file A file containing a list of CAs (optional) const char * crl_file A file containing a…

NAME gnutls_x509_trust_list_add_trust_dir – API function SYNOPSIS #include <gnutls/x509.h> int gnutls_x509_trust_list_add_trust_dir(gnutls_x509_trust_list_t list, const char * ca_dir, const char * crl_dir, gnutls_x509_crt_fmt_t type, unsigned int tl_flags, unsigned int tl_vflags); ARGUMENTS gnutls_x509_trust_list_t list The structure of the list const char * ca_dir A directory containing the CAs (optional) const char * crl_dir A directory containing a list of…

NAME gnutls_x509_trust_list_add_system_trust – API function SYNOPSIS #include <gnutls/x509.h> int gnutls_x509_trust_list_add_system_trust(gnutls_x509_trust_list_t list, unsigned int tl_flags, unsigned int tl_vflags); ARGUMENTS gnutls_x509_trust_list_t list The structure of the list unsigned int tl_flags GNUTLS_TL_* unsigned int tl_vflags gnutls_certificate_verify_flags if flags specifies GNUTLS_TL_VERIFY_CRL DESCRIPTION This function adds the system’s default trusted certificate authorities to the trusted list. Note that on unsupported…

NAME gnutls_x509_trust_list_add_named_crt – API function SYNOPSIS #include <gnutls/x509.h> int gnutls_x509_trust_list_add_named_crt(gnutls_x509_trust_list_t list, gnutls_x509_crt_t cert, const void * name, size_t name_size, unsigned int flags); ARGUMENTS gnutls_x509_trust_list_t list The structure of the list gnutls_x509_crt_t cert A certificate const void * name An identifier for the certificate size_t name_size The size of the identifier unsigned int flags should be…

NAME gnutls_x509_trust_list_add_crls – API function SYNOPSIS #include <gnutls/x509.h> int gnutls_x509_trust_list_add_crls(gnutls_x509_trust_list_t list, const gnutls_x509_crl_t * crl_list, int crl_size, unsigned int flags, unsigned int verification_flags); ARGUMENTS gnutls_x509_trust_list_t list The structure of the list const gnutls_x509_crl_t * crl_list A list of CRLs int crl_size The length of the CRL list unsigned int flags if GNUTLS_TL_VERIFY_CRL is given the…

NAME gnutls_x509_trust_list_add_cas – API function SYNOPSIS #include <gnutls/x509.h> int gnutls_x509_trust_list_add_cas(gnutls_x509_trust_list_t list, const gnutls_x509_crt_t * clist, unsigned clist_size, unsigned int flags); ARGUMENTS gnutls_x509_trust_list_t list The structure of the list const gnutls_x509_crt_t * clist A list of CAs unsigned clist_size The length of the CA list unsigned int flags should be 0 or an or’ed sequence of…

NAME gnutls_x509_rdn_get_oid – API function SYNOPSIS #include <gnutls/x509.h> int gnutls_x509_rdn_get_oid(const gnutls_datum_t * idn, int indx, void * buf, size_t * buf_size); ARGUMENTS const gnutls_datum_t * idn should contain a DER encoded RDN sequence int indx Indicates which OID to return. Use 0 for the first one. void * buf a pointer to a structure to…