Section 3: library functions
SDL_BuildAudioCVT – Initializes a SDL_AudioCVT structure for conversion Synopsis#include "SDL.h" int SDL_BuildAudioCVT(SDL_AudioCVT *cvt, Uint16 src_format, Uint8 src_channels, int src_rate, Uint16 dst_format, Uint8 dst_channels, int dst_rate); DescriptionBefore an SDL_AudioCVT structure can be used to convert audio data it must be initialized with source and destination information. src_format and dst_format are the source and destination format of…
SDL_BlitSurface – This performs a fast blit from the source surface to the destination surface. Synopsis#include "SDL.h" int SDL_BlitSurface(SDL_Surface *src, SDL_Rect *srcrect, SDL_Surface *dst, SDL_Rect *dstrect); DescriptionThis performs a fast blit from the source surface to the destination surface. Only the position is used in the dstrect (the width and height are ignored). If either…
SDL_AudioSpec – Audio Specification Structure Structure Definitiontypedef struct{ int freq; Uint16 format; Uint8 channels; Uint8 silence; Uint16 samples; Uint32 size; void (*callback)(void *userdata, Uint8 *stream, int len); void *userdata; } SDL_AudioSpec;Structure Datafreq Audio frequency in samples per second format Audio data format channels Number of channels: 1 mono, 2 stereo silence Audio buffer silence value…
SDL_AudioCVT – Audio Conversion Structure Structure Definitiontypedef struct{ int needed; Uint16 src_format; Uint16 dest_format; double rate_incr; Uint8 *buf; int len; int len_cvt; int len_mult; double len_ratio; void (*filters[10])(struct SDL_AudioCVT *cvt, Uint16 format); int filter_index; } SDL_AudioCVT;Structure Dataneeded Set to one if the conversion is possible src_format Audio format of the source dest_format Audio format of…
scsum1.f – Synopsis Functions/Subroutines REAL function scsum1 (N, CX, INCX) SCSUM1 forms the 1-norm of the complex vector using the true absolute value. Function/Subroutine Documentation REAL function scsum1 (integerN, complex, dimension( * )CX, integerINCX) SCSUM1 forms the 1-norm of the complex vector using the true absolute value. Purpose: SCSUM1 takes the sum of the absolute…
SCREEN_W, SCREEN_H – Global define to obtain the size of the screen. Allegro game programming library. Synopsis#include <allegro.h> #define SCREEN_W; #define SCREEN_H; DescriptionGlobal defines that return the width and height of the screen, or zero if the screen has not been initialised yet. Example: char buf[100]; … uszprintf(buf, sizeof(buf), "The screen size is %d x…
SCREEN_W, SCREEN_H – Global define to obtain the size of the screen. Allegro game programming library. Synopsis#include <allegro.h> #define SCREEN_W; #define SCREEN_H; DescriptionGlobal defines that return the width and height of the screen, or zero if the screen has not been initialised yet. Example: char buf[100]; … uszprintf(buf, sizeof(buf), "The screen size is %d x…
scopy.f – Synopsis Functions/Subroutines subroutine scopy (N, SX, INCX, SY, INCY) SCOPY Function/Subroutine Documentation subroutine scopy (integerN, real, dimension(*)SX, integerINCX, real, dimension(*)SY, integerINCY) SCOPY Purpose: SCOPY copies a vector, x, to a vector, y. uses unrolled loops for increments equal to 1. Author: Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado Denver…
scnrm2.f – Synopsis Functions/Subroutines REAL function scnrm2 (N, X, INCX) SCNRM2 Function/Subroutine Documentation REAL function scnrm2 (integerN, complex, dimension(*)X, integerINCX) SCNRM2 Purpose: SCNRM2 returns the euclidean norm of a vector via the function name, so that SCNRM2 := sqrt( x**H*x ) Author: Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado Denver NAG…
scasum.f – Synopsis Functions/Subroutines REAL function scasum (N, CX, INCX) SCASUM Function/Subroutine Documentation REAL function scasum (integerN, complex, dimension(*)CX, integerINCX) SCASUM Purpose: SCASUM takes the sum of the absolute values of a complex vector and returns a single precision result. Author: Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado Denver NAG Ltd….
scabs1.f – Synopsis Functions/Subroutines REAL function scabs1 (Z) SCABS1 Function/Subroutine Documentation REAL function scabs1 (complexZ) SCABS1 Purpose: SCABS1 computes absolute value of a complex number Author: Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado Denver NAG Ltd. Date: November 2011 Definition at line 39 of file scabs1.f. Author Generated automatically by Doxygen…
sbdsqr.f – Synopsis Functions/Subroutines subroutine sbdsqr (UPLO, N, NCVT, NRU, NCC, D, E, VT, LDVT, U, LDU, C, LDC, WORK, INFO) SBDSQR Function/Subroutine Documentation subroutine sbdsqr (characterUPLO, integerN, integerNCVT, integerNRU, integerNCC, real, dimension( * )D, real, dimension( * )E, real, dimension( ldvt, * )VT, integerLDVT, real, dimension( ldu, * )U, integerLDU, real, dimension( ldc, *…
sbdsdc.f – Synopsis Functions/Subroutines subroutine sbdsdc (UPLO, COMPQ, N, D, E, U, LDU, VT, LDVT, Q, IQ, WORK, IWORK, INFO) SBDSDC Function/Subroutine Documentation subroutine sbdsdc (characterUPLO, characterCOMPQ, integerN, real, dimension( * )D, real, dimension( * )E, real, dimension( ldu, * )U, integerLDU, real, dimension( ldvt, * )VT, integerLDVT, real, dimension( * )Q, integer, dimension( *…
sbbcsd.f – Synopsis Functions/Subroutines subroutine sbbcsd (JOBU1, JOBU2, JOBV1T, JOBV2T, TRANS, M, P, Q, THETA, PHI, U1, LDU1, U2, LDU2, V1T, LDV1T, V2T, LDV2T, B11D, B11E, B12D, B12E, B21D, B21E, B22D, B22E, WORK, LWORK, INFO) SBBCSD Function/Subroutine Documentation subroutine sbbcsd (characterJOBU1, characterJOBU2, characterJOBV1T, characterJOBV2T, characterTRANS, integerM, integerP, integerQ, real, dimension( * )THETA, real, dimension( *…
saxpy.f – Synopsis Functions/Subroutines subroutine saxpy (N, SA, SX, INCX, SY, INCY) SAXPY Function/Subroutine Documentation subroutine saxpy (integerN, realSA, real, dimension(*)SX, integerINCX, real, dimension(*)SY, integerINCY) SAXPY Purpose: SAXPY constant times a vector plus a vector. uses unrolled loops for increments equal to one. Author: Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado…
sasum.f – Synopsis Functions/Subroutines REAL function sasum (N, SX, INCX) SASUM Function/Subroutine Documentation REAL function sasum (integerN, real, dimension(*)SX, integerINCX) SASUM Purpose: SASUM takes the sum of the absolute values. uses unrolled loops for increment equal to one. Author: Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado Denver NAG Ltd. Date: November…
QuantLib::Sample – weighted sample Synopsis#include <ql/methods/montecarlo/sample.hpp> Public Typestypedef T value_type Public Member FunctionsSample (const T &value, Real weight) Public AttributesT value Real weight Detailed Descriptiontemplate<class T> struct QuantLib::Sample< T >weighted sample AuthorGenerated automatically by Doxygen for QuantLib from the source code.
ql/math/interpolations/sabrinterpolation.hpp – SABR interpolation interpolation between discrete points. Synopsis #include <ql/math/interpolation.hpp> #include <ql/math/optimization/method.hpp> #include <ql/math/optimization/simplex.hpp> #include <ql/math/optimization/levenbergmarquardt.hpp> #include <ql/pricingengines/blackformula.hpp> #include <ql/utilities/null.hpp> #include <ql/utilities/dataformatters.hpp> #include <ql/termstructures/volatility/sabr.hpp> #include <ql/math/optimization/projectedcostfunction.hpp> #include <ql/math/optimization/constraint.hpp> Classes class SABRInterpolation SABR smile interpolation between discrete volatility points. class SABR SABR interpolation factory and traits Detailed Description SABR interpolation interpolation between discrete points. Author…
ql/termstructures/volatility/sabr.hpp – SABR functions. Synopsis #include <ql/types.hpp> Functions Real unsafeSabrVolatility (Rate strike, Rate forward, Time expiryTime, Real alpha, Real beta, Real nu, Real rho) Real sabrVolatility (Rate strike, Rate forward, Time expiryTime, Real alpha, Real beta, Real nu, Real rho) void validateSabrParameters (Real alpha, Real beta, Real nu, Real rho) Detailed Description SABR functions. Author…
QuantLib::SVD – Singular value decomposition. Synopsis#include <ql/math/matrixutilities/svd.hpp> Public Member FunctionsSVD (const Matrix &) const Matrix & U () const const Matrix & V () const const Array & singularValues () const Disposable< Matrix > S () const Real norm2 () Real cond () Integer rank () Disposable< Array > solveFor (const Array &) const Detailed…