本文整理汇总了C++中LENGTH函数的典型用法代码示例。如果您正苦于以下问题:C++ LENGTH函数的具体用法?C++ LENGTH怎么用?C++ LENGTH使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了LENGTH函数的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: call_gambim
SEXP call_gambim(SEXP y, SEXP times, SEXP derivfunc, SEXP parms, SEXP rtol,
SEXP atol, SEXP rho, SEXP Tcrit, SEXP jacfunc, SEXP initfunc,
SEXP verbose, SEXP LRW, SEXP rWork, SEXP iWork, SEXP jT,
SEXP nOut, SEXP Nrmas, SEXP masfunc, SEXP ML, SEXP MU, SEXP Hini,
SEXP Rpar, SEXP Ipar, SEXP flist, SEXP Type)
{
/******************************************************************************/
/****** DECLARATION SECTION ******/
/******************************************************************************/
int j, nt, latol, lrtol, imas, mlmas, mumas, type;
int isForcing, runOK;
double *Atol, *Rtol, hini;
int itol, ijac, ml, mu, iout, idid, liw, lrw, sum;
/* pointers to functions passed to FORTRAN */
C_jac_func_type_gb *jac_func_gb = NULL;
C_solout_type *solout = NULL;
C_solout_type_bim *solout_bim = NULL;
C_mas_type *mas_func = NULL;
/******************************************************************************/
/****** STATEMENTS ******/
/******************************************************************************/
/* #### initialisation #### */
init_N_Protect();
type = INTEGER(Type)[0]; /* jacobian type */
ijac = INTEGER(jT)[0]; /* jacobian type */
n_eq = LENGTH(y); /* number of equations */
nt = LENGTH(times); /* number of output times */
maxt = nt;
tt = (double *) R_alloc(nt, sizeof(double));
for (j = 0; j < nt; j++) tt[j] = REAL(times)[j];
// mflag = INTEGER(verbose)[0];
/* is function a dll ?*/
isDll = inherits(derivfunc, "NativeSymbol");
/* initialise output ... */
initOutC(isDll, n_eq, nOut, Rpar, Ipar);
/* copies of variables that will be changed in the FORTRAN subroutine */
xytmp = (double *) R_alloc(n_eq, sizeof(double));
for (j = 0; j < n_eq; j++) xytmp[j] = REAL(y)[j];
ytmp = (double *) R_alloc(n_eq, sizeof(double));
for (j = 0; j < n_eq; j++) ytmp[j] = 0.;
latol = LENGTH(atol);
Atol = (double *) R_alloc((int) latol, sizeof(double));
for (j = 0; j < latol; j++) Atol[j] = REAL(atol)[j];
lrtol = LENGTH(rtol);
Rtol = (double *) R_alloc((int) lrtol, sizeof(double));
for (j = 0; j < lrtol; j++) Rtol[j] = REAL(rtol)[j];
/* tolerance specifications */
if (latol == 1 ) itol = 0;
else itol = 1;
/* mass matrix */
imas = INTEGER(Nrmas)[0];
mlmas = INTEGER(Nrmas)[1];
mumas = INTEGER(Nrmas)[2];
/* work vectors */
if (type == 1) {
liw = 27;
lrw = 21;
} else { // if (type == 2)
liw = n_eq + 40;
lrw = INTEGER(LRW)[0];
}
iwork = (int *) R_alloc(liw, sizeof(int));
for (j=0; j<LENGTH(iWork); j++) iwork[j] = INTEGER(iWork)[j];
for (j=LENGTH(iWork); j<liw; j++) iwork[j] = 0;
rwork = (double *) R_alloc(lrw, sizeof(double));
for (j=0; j<length(rWork); j++) rwork[j] = REAL(rWork)[j];
for (j=length(rWork); j<lrw; j++) rwork[j] = 0.;
ml = INTEGER(ML)[0];
mu = INTEGER(MU)[0];
hini = REAL(Hini)[0];
/* initialise global R-variables... */
initglobals (nt);
/* Initialization of Parameters, Forcings (DLL) */
initParms(initfunc, parms);
isForcing = initForcings(flist);
if (nout > 0 ) {
xdytmp= (double *) R_alloc(n_eq, sizeof(double));
//.........这里部分代码省略.........
开发者ID:cran,项目名称:deTestSet,代码行数:101,代码来源:call_gam.c
示例2: do_init_state
SEXP do_init_state (SEXP object, SEXP params, SEXP t0, SEXP nsim, SEXP gnsi)
{
int nprotect = 0;
SEXP Pnames, Snames;
SEXP x = R_NilValue;
int *dim;
int npar, nrep, nvar, ns;
int definit;
int xdim[2];
const char *dimnms[2] = {"variable","rep"};
ns = *(INTEGER(AS_INTEGER(nsim)));
PROTECT(params = as_matrix(params)); nprotect++;
PROTECT(Pnames = GET_ROWNAMES(GET_DIMNAMES(params))); nprotect++;
dim = INTEGER(GET_DIM(params));
npar = dim[0]; nrep = dim[1];
if (ns % nrep != 0)
errorcall(R_NilValue,"in 'init.state': number of desired state-vectors 'nsim' is not a multiple of ncol('params')");
definit = *(INTEGER(GET_SLOT(object,install("default.init"))));
if (definit) { // default initializer
SEXP fcall, pat, repl, val, ivpnames, statenames;
int *pidx, j, k;
double *xp, *pp;
PROTECT(pat = NEW_CHARACTER(1)); nprotect++;
SET_STRING_ELT(pat,0,mkChar("\\.0$"));
PROTECT(repl = NEW_CHARACTER(1)); nprotect++;
SET_STRING_ELT(repl,0,mkChar(""));
PROTECT(val = NEW_LOGICAL(1)); nprotect++;
*(INTEGER(val)) = 1;
// extract names of IVPs
PROTECT(fcall = LCONS(val,R_NilValue)); nprotect++;
SET_TAG(fcall,install("value"));
PROTECT(fcall = LCONS(Pnames,fcall)); nprotect++;
SET_TAG(fcall,install("x"));
PROTECT(fcall = LCONS(pat,fcall)); nprotect++;
SET_TAG(fcall,install("pattern"));
PROTECT(fcall = LCONS(install("grep"),fcall)); nprotect++;
PROTECT(ivpnames = eval(fcall,R_BaseEnv)); nprotect++;
nvar = LENGTH(ivpnames);
if (nvar < 1) {
errorcall(R_NilValue,"in default 'initializer': there are no parameters with suffix '.0'. See '?pomp'.");
}
pidx = INTEGER(PROTECT(match(Pnames,ivpnames,0))); nprotect++;
for (k = 0; k < nvar; k++) pidx[k]--;
// construct names of state variables
PROTECT(fcall = LCONS(ivpnames,R_NilValue)); nprotect++;
SET_TAG(fcall,install("x"));
PROTECT(fcall = LCONS(repl,fcall)); nprotect++;
SET_TAG(fcall,install("replacement"));
PROTECT(fcall = LCONS(pat,fcall)); nprotect++;
SET_TAG(fcall,install("pattern"));
PROTECT(fcall = LCONS(install("sub"),fcall)); nprotect++;
PROTECT(statenames = eval(fcall,R_BaseEnv)); nprotect++;
xdim[0] = nvar; xdim[1] = ns;
PROTECT(x = makearray(2,xdim)); nprotect++;
setrownames(x,statenames,2);
fixdimnames(x,dimnms,2);
for (j = 0, xp = REAL(x); j < ns; j++) {
pp = REAL(params) + npar*(j%nrep);
for (k = 0; k < nvar; k++, xp++)
*xp = pp[pidx[k]];
}
} else { // user-supplied initializer
SEXP pompfun, fcall, fn, tcovar, covar, covars = R_NilValue;
pompfunmode mode = undef;
double *cp = NULL;
// extract the initializer function and its environment
PROTECT(pompfun = GET_SLOT(object,install("initializer"))); nprotect++;
PROTECT(fn = pomp_fun_handler(pompfun,gnsi,&mode)); nprotect++;
// extract covariates and interpolate
PROTECT(tcovar = GET_SLOT(object,install("tcovar"))); nprotect++;
if (LENGTH(tcovar) > 0) { // do table lookup
PROTECT(covar = GET_SLOT(object,install("covar"))); nprotect++;
PROTECT(covars = lookup_in_table(tcovar,covar,t0)); nprotect++;
cp = REAL(covars);
}
// extract userdata
PROTECT(fcall = VectorToPairList(GET_SLOT(object,install("userdata")))); nprotect++;
switch (mode) {
case Rfun: // use R function
{
SEXP par, rho, x1, x2;
double *p, *pp, *xp, *xt;
//.........这里部分代码省略.........
开发者ID:kingaa,项目名称:pomp,代码行数:101,代码来源:initstate.c
示例3: textRect
/* Calculate the bounding rectangle for a string.
* x and y assumed to be in INCHES.
*/
void textRect(double x, double y, SEXP text, int i,
const pGEcontext gc,
double xadj, double yadj,
double rot, pGEDevDesc dd, LRect *r)
{
/* NOTE that we must work in inches for the angles to be correct
*/
LLocation bl, br, tr, tl;
LLocation tbl, tbr, ttr, ttl;
LTransform thisLocation, thisRotation, thisJustification;
LTransform tempTransform, transform;
double w, h;
if (isExpression(text)) {
SEXP expr = VECTOR_ELT(text, i % LENGTH(text));
w = fromDeviceWidth(GEExpressionWidth(expr, gc, dd),
GE_INCHES, dd);
h = fromDeviceHeight(GEExpressionHeight(expr, gc, dd),
GE_INCHES, dd);
} else {
const char* string = CHAR(STRING_ELT(text, i % LENGTH(text)));
w = fromDeviceWidth(GEStrWidth(string,
(gc->fontface == 5) ? CE_SYMBOL :
getCharCE(STRING_ELT(text, i % LENGTH(text))),
gc, dd),
GE_INCHES, dd);
h = fromDeviceHeight(GEStrHeight(string,
(gc->fontface == 5) ? CE_SYMBOL :
getCharCE(STRING_ELT(text, i % LENGTH(text))),
gc, dd),
GE_INCHES, dd);
}
location(0, 0, bl);
location(w, 0, br);
location(w, h, tr);
location(0, h, tl);
translation(-xadj*w, -yadj*h, thisJustification);
translation(x, y, thisLocation);
if (rot != 0)
rotation(rot, thisRotation);
else
identity(thisRotation);
/* Position relative to origin of rotation THEN rotate.
*/
multiply(thisJustification, thisRotation, tempTransform);
/* Translate to (x, y)
*/
multiply(tempTransform, thisLocation, transform);
trans(bl, transform, tbl);
trans(br, transform, tbr);
trans(tr, transform, ttr);
trans(tl, transform, ttl);
rect(locationX(tbl), locationX(tbr), locationX(ttr), locationX(ttl),
locationY(tbl), locationY(tbr), locationY(ttr), locationY(ttl),
r);
/* For debugging, the following prints out an R statement to draw the
* bounding box
*/
/*
Rprintf("\ngrid.lines(c(%f, %f, %f, %f, %f), c(%f, %f, %f, %f, %f), default.units=\"inches\")\n",
locationX(tbl), locationX(tbr), locationX(ttr), locationX(ttl),
locationX(tbl),
locationY(tbl), locationY(tbr), locationY(ttr), locationY(ttl),
locationY(tbl)
);
*/
}
开发者ID:janardhanv,项目名称:On-Demand-Analytics,代码行数:69,代码来源:util.c
示例4: FixDetectC
SEXP FixDetectC(SEXP X, SEXP Y, SEXP R, SEXP Dispersion, SEXP MinDur, SEXP Debug)
{
//function input
double *pDisp = REAL(Dispersion);
double *pMinDur = REAL(MinDur);
int fDebug;
//function output
double *res = NULL;
SEXP Res,r_X,r_Y,r_D,r_dur,r_start,r_disp;
SEXP list_names;
//detection parameters =================================================
int MinDuration; //min dispersion duration (samples)
float Threshold; //dispersion threshold
float Xi,Yi; //X & Y coordinates
int bGaze; //valid data flag
//LC detector output =============================================================
float X_d,Y_d,FixX,FixY;
float Deviation_d;
int SaccadeDuration,FixDuration;
int bGaze_d;
int rc; //return code
//=================================
char *names[6] = {"X","Y","R","Dur","Start","Disp"};
int i,len,lmax,iend,istart;
float Ri, dMean; //current and average pupil size
int j, Dcnt; //after-detection pupil size and dispersion calculation
int MaxNFix, NFix;
struct _stFIXdata *pFIX_b, *pFIX;
size_t FIXdata_sz;
float fDx,fDy,dDrSq,fD,fDisp;
fDebug = INTEGER_VALUE(Debug); //Flag - debug
MinDuration = (int) *pMinDur;
Threshold = (float) *pDisp;
len=LENGTH(X);
lmax=len - 1;
i=0;
MaxNFix = len / MinDuration;
if (fDebug > 0) Rprintf("FixDetectC start: len =%d MaxNFix=%d \n",len,MaxNFix);
FIXdata_sz = MaxNFix*sizeof(struct _stFIXdata);
pFIX_b = (struct _stFIXdata *) malloc(FIXdata_sz);
if (pFIX_b == NULL) {
Rprintf("FixDetectC: memory allocation ERROR (fixations BLOCK allocation)\n");
PROTECT(Res = allocVector(REALSXP, 1));
res = REAL(Res);
*res = 0;
UNPROTECT(1);
return Res;
}
pFIX = pFIX_b;
NFix=0;
if (fDebug > 0) Rprintf("FixDetectC: InitFication Call\n");
InitFixation(MinDuration);
if (fDebug > 0) Rprintf("FixDetectC: main while(i < len) \n");
while (i < len) {
Xi = (float) REAL(X)[i];
Yi = (float) REAL(Y)[i];
Ri = (float) REAL(R)[i];
if (Ri > 0) bGaze = 1; else bGaze = 0;
rc=DetectFixation(bGaze,Xi,Yi,Threshold,MinDuration,&bGaze_d,&X_d,&Y_d,&Deviation_d,&FixX,&FixY,&SaccadeDuration,&FixDuration);
if (fDebug > 1) Rprintf("FixDetectC DetectFixation %d,%d,%4.2f,%4.2f\n",i,rc,Xi,Yi);
if ((rc == 2)||((rc == 1)&&(i == lmax)) ) {
//--- Fixation finished -----
iend = i - MinDuration;
istart = iend - FixDuration + 1;
// Вычисляем средний диаметр зрачка
j = 0; Dcnt=0; dMean=0; fD = 0; fDisp=0;
for (j = istart; j < iend; j++) {
Ri = (float) REAL(R)[j];
Xi = (float) REAL(X)[j];
Yi = (float) REAL(Y)[j];
if (Ri > 0) { Dcnt++; dMean += Ri; }
fDx = FixX - Xi;
fDy = FixY - Yi;
dDrSq = fDx * fDx + fDy * fDy;
fD = fD + dDrSq;
}
if (Dcnt >0) dMean = dMean / Dcnt;
if (Dcnt > 1) fDisp = (float)sqrt(fD / (Dcnt - 1));
// Выводим информацию о фиксации
if (fDebug > 0) Rprintf("FixDetectC fixation: %4.2f,%4.2f,%3.5f,%d,%d\n",FixX,FixY,dMean,istart,FixDuration);
if (FixDuration >= MinDuration) {
pFIX->fixx = FixX;
pFIX->fixy = FixY;
pFIX->D = dMean;
pFIX->duration = FixDuration;
pFIX->start = istart;
pFIX->fixdisp = fDisp;
if ( NFix < MaxNFix) {pFIX++; NFix++;}
else {
Rprintf("FixDetectC: ERROR NFix (%d) == MaxNFix (%d)",NFix,MaxNFix);
break;
//.........这里部分代码省略.........
开发者ID:deslion,项目名称:EyeTrackingProject,代码行数:101,代码来源:fixd.c
示例5: stri_escape_unicode
/**
* Escape Unicode code points
*
* @param str character vector
* @return character vector
*
* @version 0.1-?? (Marek Gagolewski, 2013-08-17)
*
* @version 0.2-1 (Marek Gagolewski, 2014-04-01)
* fail on incorrect utf8 byte seqs;
*
* @version 0.3-1 (Marek Gagolewski, 2014-11-04)
* Issue #112: str_prepare_arg* retvals were not PROTECTed from gc
*/
SEXP stri_escape_unicode(SEXP str)
{
PROTECT(str = stri_prepare_arg_string(str, "str")); // prepare string argument
STRI__ERROR_HANDLER_BEGIN(1)
R_len_t str_length = LENGTH(str);
StriContainerUTF8 str_cont(str, str_length);
SEXP ret;
STRI__PROTECT(ret = Rf_allocVector(STRSXP, str_length));
std::string out; // @TODO: estimate len a priori?
for (R_len_t i = str_cont.vectorize_init();
i != str_cont.vectorize_end();
i = str_cont.vectorize_next(i))
{
if (str_cont.isNA(i)) {
SET_STRING_ELT(ret, i, NA_STRING);
continue;
}
const char* str_cur_s = str_cont.get(i).c_str();
R_len_t str_cur_n = str_cont.get(i).length();
// estimate buf size
R_len_t bufsize = 0;
UChar32 c;
R_len_t j = 0;
while (j < str_cur_n) {
U8_NEXT(str_cur_s, j, str_cur_n, c);
if (c < 0)
throw StriException(MSG__INVALID_UTF8);
else if ((char)c >= 32 || (char)c <= 126)
bufsize += 1;
else if (c <= 0xff)
bufsize += 6; // for \a, \n this will be overestimated
else
bufsize += 10;
}
out.clear();
if ((size_t)bufsize > (size_t)out.size())
out.reserve(bufsize);
// do escape
j = 0;
char buf[11];
while (j < str_cur_n) {
U8_NEXT(str_cur_s, j, str_cur_n, c);
/* if (c < 0)
throw StriException(MSG__INVALID_UTF8); // this has already been checked :)
else */ if (c <= ASCII_MAXCHARCODE) {
switch ((char)c) {
case 0x07: out.append("\\a"); break;
case 0x08: out.append("\\b"); break;
case 0x09: out.append("\\t"); break;
case 0x0a: out.append("\\n"); break;
case 0x0b: out.append("\\v"); break;
case 0x0c: out.append("\\f"); break;
case 0x0d: out.append("\\r"); break;
// case 0x1b: out.append("\\e"); break; // R doesn't know that
case 0x22: out.append("\\\""); break;
case 0x27: out.append("\\'"); break;
case 0x5c: out.append("\\\\"); break;
default:
if ((char)c >= 32 || (char)c <= 126) // printable characters
out.append(1, (char)c);
else {
sprintf(buf, "\\u%4.4x", (uint16_t)c);
out.append(buf, 6);
}
}
}
else if (c <= 0xffff) {
sprintf(buf, "\\u%4.4x", (uint16_t)c);
out.append(buf, 6);
}
else {
sprintf(buf, "\\U%8.8x", (uint32_t)c);
out.append(buf, 10);
}
}
SET_STRING_ELT(ret, i,
Rf_mkCharLenCE(out.c_str(), (int)out.size(), (cetype_t)CE_UTF8)
//.........这里部分代码省略.........
开发者ID:balagopalraj,项目名称:clearlinux,代码行数:101,代码来源:stri_escape.cpp
示例6: port_ivset
SEXP port_ivset(SEXP kind, SEXP iv, SEXP v)
{
Rf_divset(asInteger(kind), INTEGER(iv), LENGTH(iv), LENGTH(v), REAL(v));
return R_NilValue;
}
开发者ID:Bgods,项目名称:r-source,代码行数:5,代码来源:port.c
示例7: port_nlsb
SEXP port_nlsb(SEXP m, SEXP d, SEXP gg, SEXP iv, SEXP v,
SEXP lowerb, SEXP upperb)
{
int *dims = INTEGER(getAttrib(gg, R_DimSymbol));
int i, n = LENGTH(d), p = LENGTH(d), nd = dims[0];
SEXP getPars, setPars, resid, gradient,
rr = PROTECT(allocVector(REALSXP, nd)),
x = PROTECT(allocVector(REALSXP, n));
// This used to use Calloc, but that will leak if
// there is a premature return (and did in package drfit)
double *b = (double *) NULL,
*rd = (double *)R_alloc(nd, sizeof(double));
if (!isReal(d) || n < 1)
error(_("'d' must be a nonempty numeric vector"));
if(!isNewList(m)) error(_("m must be a list"));
/* Initialize parameter vector */
getPars = PROTECT(lang1(getFunc(m, "getPars", "m")));
eval_check_store(getPars, R_GlobalEnv, x);
/* Create the setPars call */
setPars = PROTECT(lang2(getFunc(m, "setPars", "m"), x));
/* Evaluate residual and gradient */
resid = PROTECT(lang1(getFunc(m, "resid", "m")));
eval_check_store(resid, R_GlobalEnv, rr);
gradient = PROTECT(lang1(getFunc(m, "gradient", "m")));
neggrad(gradient, R_GlobalEnv, gg);
if ((LENGTH(lowerb) == n) && (LENGTH(upperb) == n)) {
if (isReal(lowerb) && isReal(upperb)) {
double *rl = REAL(lowerb), *ru = REAL(upperb);
b = (double *)R_alloc(2*n, sizeof(double));
for (i = 0; i < n; i++) {
b[2*i] = rl[i];
b[2*i + 1] = ru[i];
}
} else error(_("'lowerb' and 'upperb' must be numeric vectors"));
}
do {
nlsb_iterate(b, REAL(d), REAL(gg), INTEGER(iv), LENGTH(iv),
LENGTH(v), n, nd, p, REAL(rr), rd,
REAL(v), REAL(x));
switch(INTEGER(iv)[0]) {
case -3:
eval(setPars, R_GlobalEnv);
eval_check_store(resid, R_GlobalEnv, rr);
neggrad(gradient, R_GlobalEnv, gg);
break;
case -2:
eval_check_store(resid, R_GlobalEnv, rr);
neggrad(gradient, R_GlobalEnv, gg);
break;
case -1:
eval(setPars, R_GlobalEnv);
eval_check_store(resid, R_GlobalEnv, rr);
neggrad(gradient, R_GlobalEnv, gg);
break;
case 0:
Rprintf("nlsb_iterate returned %d", INTEGER(iv)[0]);
break;
case 1:
eval(setPars, R_GlobalEnv);
eval_check_store(resid, R_GlobalEnv, rr);
break;
case 2:
eval(setPars, R_GlobalEnv);
neggrad(gradient, R_GlobalEnv, gg);
break;
}
} while(INTEGER(iv)[0] < 3);
UNPROTECT(6);
return R_NilValue;
}
开发者ID:Bgods,项目名称:r-source,代码行数:74,代码来源:port.c
示例8: REG_SYSC
char *name;
bool active;
int option;
int maxcalls;
int numcalls;
char *s;
// ... whatever else
};
#define REG_SYSC(x) [x] = {x, #x, false, 0, 0, 0, NULL}
static struct one_call global_call_list[] = {
#include "reg_sysc.c"
{-1, NULL, false, 0, 0, 0, NULL}
};
static const int NUMCALLS = LENGTH(global_call_list);
static char *call_name(int syscall)
{
int i = 0;
struct one_call *c = global_call_list;
while (i < NUMCALLS) {
if (c[i].syscall == syscall)
return c[i].name;
i += 1;
}
return NULL;
}
/*
* signal stuff
开发者ID:mnhrdt,项目名称:nurse,代码行数:31,代码来源:traça.c
示例9: pollSocket
SEXP pollSocket(SEXP sockets_, SEXP events_, SEXP timeout_) {
SEXP result;
if(TYPEOF(timeout_) != INTSXP) {
error("poll timeout must be an integer.");
}
if(TYPEOF(sockets_) != VECSXP || LENGTH(sockets_) == 0) {
error("A non-empy list of sockets is required as first argument.");
}
int nsock = LENGTH(sockets_);
PROTECT(result = allocVector(VECSXP, nsock));
if (TYPEOF(events_) != VECSXP) {
error("event list must be a list of strings or a list of vectors of strings.");
}
if(LENGTH(events_) != nsock) {
error("event list must be the same length as socket list.");
}
zmq_pollitem_t *pitems = (zmq_pollitem_t*)R_alloc(nsock, sizeof(zmq_pollitem_t));
if (pitems == NULL) {
error("failed to allocate memory for zmq_pollitem_t array.");
}
try {
for (int i = 0; i < nsock; i++) {
zmq::socket_t* socket = reinterpret_cast<zmq::socket_t*>(checkExternalPointer(VECTOR_ELT(sockets_, i), "zmq::socket_t*"));
pitems[i].socket = (void*)*socket;
pitems[i].events = rzmq_build_event_bitmask(VECTOR_ELT(events_, i));
}
int rc = zmq::poll(pitems, nsock, *INTEGER(timeout_));
if(rc >= 0) {
for (int i = 0; i < nsock; i++) {
SEXP events, names;
// Pre count number of polled events so we can
// allocate appropriately sized lists.
short eventcount = 0;
if (pitems[i].events & ZMQ_POLLIN) eventcount++;
if (pitems[i].events & ZMQ_POLLOUT) eventcount++;
if (pitems[i].events & ZMQ_POLLERR) eventcount++;
PROTECT(events = allocVector(VECSXP, eventcount));
PROTECT(names = allocVector(VECSXP, eventcount));
eventcount = 0;
if (pitems[i].events & ZMQ_POLLIN) {
SET_VECTOR_ELT(events, eventcount, ScalarLogical(pitems[i].revents & ZMQ_POLLIN));
SET_VECTOR_ELT(names, eventcount, mkChar("read"));
eventcount++;
}
if (pitems[i].events & ZMQ_POLLOUT) {
SET_VECTOR_ELT(names, eventcount, mkChar("write"));
SET_VECTOR_ELT(events, eventcount, ScalarLogical(pitems[i].revents & ZMQ_POLLOUT));
eventcount++;
}
if (pitems[i].events & ZMQ_POLLERR) {
SET_VECTOR_ELT(names, eventcount, mkChar("error"));
SET_VECTOR_ELT(events, eventcount, ScalarLogical(pitems[i].revents & ZMQ_POLLERR));
}
setAttrib(events, R_NamesSymbol, names);
SET_VECTOR_ELT(result, i, events);
}
} else {
error("polling zmq sockets failed.");
}
} catch(std::exception& e) {
error(e.what());
}
// Release the result list (1), and per socket
// events lists with associated names (2*nsock).
UNPROTECT(1 + 2*nsock);
return result;
}
开发者ID:joemphilips,项目名称:rzmq,代码行数:81,代码来源:interface.cpp
示例10: do_relop_dflt
SEXP attribute_hidden do_relop_dflt(SEXP call, SEXP op, SEXP x, SEXP y)
{
SEXP klass = R_NilValue, dims, tsp=R_NilValue, xnames, ynames;
int nx, ny, xarray, yarray, xts, yts;
Rboolean mismatch = FALSE, iS;
PROTECT_INDEX xpi, ypi;
PROTECT_WITH_INDEX(x, &xpi);
PROTECT_WITH_INDEX(y, &ypi);
nx = length(x);
ny = length(y);
/* pre-test to handle the most common case quickly.
Used to skip warning too ....
*/
if (ATTRIB(x) == R_NilValue && ATTRIB(y) == R_NilValue &&
TYPEOF(x) == REALSXP && TYPEOF(y) == REALSXP &&
LENGTH(x) > 0 && LENGTH(y) > 0) {
SEXP ans = real_relop((RELOP_TYPE) PRIMVAL(op), x, y);
if (nx > 0 && ny > 0)
mismatch = ((nx > ny) ? nx % ny : ny % nx) != 0;
if (mismatch) {
PROTECT(ans);
warningcall(call, _("longer object length is not a multiple of shorter object length"));
UNPROTECT(1);
}
UNPROTECT(2);
return ans;
}
/* That symbols and calls were allowed was undocumented prior to
R 2.5.0. We deparse them as deparse() would, minus attributes */
if ((iS = isSymbol(x)) || TYPEOF(x) == LANGSXP) {
SEXP tmp = allocVector(STRSXP, 1);
PROTECT(tmp);
SET_STRING_ELT(tmp, 0, (iS) ? PRINTNAME(x) :
STRING_ELT(deparse1(x, 0, DEFAULTDEPARSE), 0));
REPROTECT(x = tmp, xpi);
UNPROTECT(1);
}
if ((iS = isSymbol(y)) || TYPEOF(y) == LANGSXP) {
SEXP tmp = allocVector(STRSXP, 1);
PROTECT(tmp);
SET_STRING_ELT(tmp, 0, (iS) ? PRINTNAME(y) :
STRING_ELT(deparse1(y, 0, DEFAULTDEPARSE), 0));
REPROTECT(y = tmp, ypi);
UNPROTECT(1);
}
if (!isVector(x) || !isVector(y)) {
if (isNull(x) || isNull(y)) {
UNPROTECT(2);
return allocVector(LGLSXP,0);
}
errorcall(call,
_("comparison (%d) is possible only for atomic and list types"),
PRIMVAL(op));
}
if (TYPEOF(x) == EXPRSXP || TYPEOF(y) == EXPRSXP)
errorcall(call, _("comparison is not allowed for expressions"));
/* ELSE : x and y are both atomic or list */
if (LENGTH(x) <= 0 || LENGTH(y) <= 0) {
UNPROTECT(2);
return allocVector(LGLSXP,0);
}
mismatch = FALSE;
xarray = isArray(x);
yarray = isArray(y);
xts = isTs(x);
yts = isTs(y);
if (nx > 0 && ny > 0)
mismatch = ((nx > ny) ? nx % ny : ny % nx) != 0;
if (xarray || yarray) {
if (xarray && yarray) {
if (!conformable(x, y))
errorcall(call, _("non-conformable arrays"));
PROTECT(dims = getAttrib(x, R_DimSymbol));
}
else if (xarray) {
PROTECT(dims = getAttrib(x, R_DimSymbol));
}
else /*(yarray)*/ {
PROTECT(dims = getAttrib(y, R_DimSymbol));
}
PROTECT(xnames = getAttrib(x, R_DimNamesSymbol));
PROTECT(ynames = getAttrib(y, R_DimNamesSymbol));
}
else {
PROTECT(dims = R_NilValue);
PROTECT(xnames = getAttrib(x, R_NamesSymbol));
PROTECT(ynames = getAttrib(y, R_NamesSymbol));
}
if (xts || yts) {
if (xts && yts) {
if (!tsConform(x, y))
//.........这里部分代码省略.........
开发者ID:SensePlatform,项目名称:R,代码行数:101,代码来源:relop.c
示例11: rthhist
extern "C" SEXP rthhist(SEXP x, SEXP nbins_, SEXP nch_, SEXP nthreads)
{
const int n = LENGTH(x);
const int nbins = INTEGER(nbins_)[0];
const int nch = INTEGER(nch_)[0];
floublevec dx(REAL(x), REAL(x)+n);
SEXP bincounts, R_left, R_binwidth;
PROTECT(bincounts = allocVector(INTSXP, nbins));
PROTECT(R_left = allocVector(REALSXP, 1));
PROTECT(R_binwidth = allocVector(REALSXP, 1));
SEXP ret, retnames;
RTH_GEN_NTHREADS(nthreads);
// determine binwidth etc.
thrust::pair<floubleveciter, floubleveciter> mm =
thrust::minmax_element(dx.begin(), dx.end());
flouble left = *(mm.first), right = *(mm.second);
flouble binwidth = (right - left) / nbins;
// form matrix of bin counts, one row per chunk
intvec dbincounts(nch*nbins);
// the heart of the computation, a for_each() loop, one iteration per
// chunk
thrust::counting_iterator<int> seqa(0);
thrust::counting_iterator<int> seqb = seqa + nch;
thrust::for_each(seqa,seqb,
do1chunk(dx.begin(),dbincounts.begin(
), n, nbins, nch, left, binwidth));
// copy result to host and combine the subhistograms
int hbincounts[nch*nbins];
thrust::copy(dbincounts.begin(), dbincounts.end(), hbincounts);
int binnum,chunknum;
for (binnum = 0; binnum < nbins; binnum++) {
int sum = 0;
for (chunknum = 0; chunknum < nch; chunknum++)
sum += hbincounts[chunknum*nbins + binnum];
INTEGER(bincounts)[binnum] = sum;
}
REAL(R_left)[0] = (double) left;
REAL(R_binwidth)[0] = (double) binwidth;
PROTECT(retnames = allocVector(STRSXP, 3));
SET_STRING_ELT(retnames, 0, mkChar("counts"));
SET_STRING_ELT(retnames, 1, mkChar("left"));
SET_STRING_ELT(retnames, 2, mkChar("binwidth"));
PROTECT(ret = allocVector(VECSXP, 3));
SET_VECTOR_ELT(ret, 0, bincounts);
SET_VECTOR_ELT(ret, 1, R_left);
SET_VECTOR_ELT(ret, 2, R_binwidth);
setAttrib(ret, R_NamesSymbol, retnames);
UNPROTECT(5);
return ret;
}
开发者ID:Rth-org,项目名称:Rth,代码行数:66,代码来源:rthhist.cpp
示例12: setup
void setup(void)
{
ewmh_init();
screen = xcb_setup_roots_iterator(xcb_get_setup(dpy)).data;
if (!screen)
err("error: cannot aquire screen\n");
screen_width = screen->width_in_pixels;
screen_height = screen->height_in_pixels;
root_depth = screen->root_depth;
xcb_atom_t net_atoms[] = {ewmh->_NET_SUPPORTED,
ewmh->_NET_DESKTOP_NAMES,
ewmh->_NET_NUMBER_OF_DESKTOPS,
ewmh->_NET_CURRENT_DESKTOP,
ewmh->_NET_CLIENT_LIST,
ewmh->_NET_ACTIVE_WINDOW,
ewmh->_NET_WM_DESKTOP,
ewmh->_NET_WM_STATE,
ewmh->_NET_WM_STATE_FULLSCREEN,
ewmh->_NET_WM_WINDOW_TYPE,
ewmh->_NET_WM_WINDOW_TYPE_DOCK,
ewmh->_NET_WM_WINDOW_TYPE_NOTIFICATION,
ewmh->_NET_WM_WINDOW_TYPE_DIALOG,
ewmh->_NET_WM_WINDOW_TYPE_UTILITY,
ewmh->_NET_WM_WINDOW_TYPE_TOOLBAR};
xcb_ewmh_set_supported(ewmh, default_screen, LENGTH(net_atoms), net_atoms);
monitor_uid = desktop_uid = client_uid = 0;
mon = last_mon = mon_head = mon_tail = NULL;
bool xinerama_is_active = false;
if (xcb_get_extension_data(dpy, &xcb_xinerama_id)->present) {
xcb_xinerama_is_active_reply_t *xia = xcb_xinerama_is_active_reply(dpy, xcb_xinerama_is_active(dpy), NULL);
if (xia != NULL) {
xinerama_is_active = xia->state;
free(xia);
}
}
if (xinerama_is_active) {
xcb_xinerama_query_screens_reply_t *xsq = xcb_xinerama_query_screens_reply(dpy, xcb_xinerama_query_screens(dpy), NULL);
xcb_xinerama_screen_info_t *xsi = xcb_xinerama_query_screens_screen_info(xsq);
int n = xcb_xinerama_query_screens_screen_info_length(xsq);
PRINTF("number of monitors: %d\n", n);
for (int i = 0; i < n; i++) {
xcb_xinerama_screen_info_t info = xsi[i];
xcb_rectangle_t rect = (xcb_rectangle_t) {info.x_org, info.y_org, info.width, info.height};
add_monitor(&rect);
}
free(xsq);
} else {
warn("Xinerama is inactive");
xcb_rectangle_t rect = (xcb_rectangle_t) {0, 0, screen_width, screen_height};
add_monitor(&rect);
}
for (monitor_t *m = mon_head; m != NULL; m = m->next)
add_desktop(m, NULL);
ewmh_update_number_of_desktops();
ewmh_update_desktop_names();
rule_head = make_rule();
frozen_pointer = make_pointer_state();
get_pointer_position(&pointer_position);
split_mode = MODE_AUTOMATIC;
}
开发者ID:sunaku,项目名称:bspwm,代码行数:69,代码来源:bspwm.c
示例13: do_sprintf
//.........这里部分代码省略.........
if (starc) { /* handle * format if present */
nstar = -1;
if (strlen(starc) > 3 && starc[1] >= '1' && starc[1] <= '9') {
v = starc[1] - '0';
if(starc[2] == '$') {
if(v > nargs)
error(_("reference to non-existent argument %d"), v);
nstar = v-1;
memmove(starc+1, starc+3, strlen(starc)-2);
} else if(starc[2] >= '0' && starc[2] <= '9'
&& starc[3] == '$') {
v = 10*v + starc[2] - '0';
if(v > nargs)
error(_("reference to non-existent argument %d"), v);
nstar = v-1;
memmove(starc+1, starc+4, strlen(starc)-3);
}
}
if(nstar < 0) {
if (cnt >= nargs) error(_("too few arguments"));
nstar = cnt++;
}
if (Rf_strchr(starc+1, '*'))
error(_("at most one asterisk '*' is supported in each conversion specification"));
_this = a[nstar];
if(ns == 0 && TYPEOF(_this) == REALSXP) {
_this = coerceVector(_this, INTSXP);
PROTECT(a[nstar] = _this);
nprotect++;
}
if(TYPEOF(_this) != INTSXP || LENGTH(_this)<1 ||
INTEGER(_this)[ns % LENGTH(_this)] == NA_INTEGER)
error(_("argument for '*' conversion specification must be a number"));
star_arg = INTEGER(_this)[ns % LENGTH(_this)];
has_star = TRUE;
}
else
has_star = FALSE;
if (fmt[strlen(fmt) - 1] == '%') {
/* handle % with formatting options */
if (has_star)
snprintf(bit, MAXLINE+1, fmt, star_arg);
else
strcpy(bit, fmt);
/* was sprintf(..) for which some compiler warn */
} else {
Rboolean did_this = FALSE;
if(nthis < 0) {
if (cnt >= nargs) error(_("too few arguments"));
nthis = cnt++;
}
_this = a[nthis];
if (has_star) {
size_t nf; char *p, *q = fmt2;
for (p = fmt; *p; p++)
if (*p == '*') q += sprintf(q, "%d", star_arg);
else *q++ = *p;
*q = '\0';
nf = strlen(fmt2);
if (nf > MAXLINE)
error(_("'fmt' length exceeds maximal format length %d"),
MAXLINE);
开发者ID:jeffreyhorner,项目名称:cxxr,代码行数:67,代码来源:sprintf.cpp
示例14: map_check_polygons
SEXP map_check_polygons(SEXP x, SEXP y, SEXP z, SEXP xokspan, SEXP usr) // returns new x vector
{
//int nrow = INTEGER(GET_DIM(z))[0];
//int ncol = INTEGER(GET_DIM(z))[1];
PROTECT(x = AS_NUMERIC(x));
PROTECT(y = AS_NUMERIC(y));
PROTECT(z = AS_NUMERIC(z));
PROTECT(xokspan = AS_NUMERIC(xokspan));
PROTECT(usr = AS_NUMERIC(usr));
int nusr = LENGTH(usr);
if (nusr != 4) error("'usr' must hold 4 values");
double *usrp = REAL(usr); // left right bottom top
double *xp = REAL(x);
double *yp = REAL(y);
//double *zp = REAL(z);
double *xokspanp = REAL(xokspan);
int nx = length(x);
int ny = length(y);
int nz = length(z);
if (nx < 2) error("must have at least two x values");
if (ny < 2) error("must have at least two y values");
if (nz < 1) error("must have at least one z value");
int npoly = nx / 5;
SEXP okPoint, okPolygon, clippedPoint, clippedPolygon;
PROTECT(okPolygon = allocVector(LGLSXP, npoly));
PROTECT(okPoint = allocVector(LGLSXP, nx));
PROTECT(clippedPoint = allocVector(LGLSXP, nx));
PROTECT(clippedPolygon = allocVector(LGLSXP, npoly));
int *okPointp = INTEGER(okPoint);
int *okPolygonp = INTEGER(okPolygon);
int *clippedPointp = INTEGER(clippedPoint);
int *clippedPolygonp = INTEGER(clippedPolygon);
// Initialize (not be needed if below catches all cases)
for (int ipoly = 0; ipoly < npoly; ipoly++) {
okPolygonp[ipoly] = 1;
clippedPolygonp[ipoly] = 0;
}
for (int ix = 0; ix < nx; ix++) {
okPointp[ix] = 1;
clippedPointp[ix] = 0;
}
// x1 x2 x3 x4 NA x1 x2 x3 x4 NA ...
double dxPermitted = fabs(*xokspanp);
#ifdef DEBUG
int count = 0, ncount=100000;
#endif
for (int ipoly = 0; ipoly < npoly; ipoly++) {
int start = 5 * ipoly;
// Check for bad polygons, in three phases.
// 1. Find polygons that have some NA values for vertices
#ifdef DEBUG
if (ipoly < 3)
Rprintf("start: %d; okPointp= %d %d ...\n", start, okPointp[start], okPointp[start+1]);
#endif
for (int j = 0; j < 4; j++) { // skip 5th point which is surely NA
// Check for x or y being NA
if (ISNA(xp[start + j]) || ISNA(yp[start + j])) {
#ifdef DEBUG
if (count++ < ncount) { // FIXME: remove when working
Rprintf("(1.) x or y is NA -- ipoly: %d, j: %d, span: %f (limit to span: %f)\n",
ipoly, j, fabs(xp[start+j]-xp[start+j-1]), dxPermitted);
}
#endif
for (int k = 0; k < 5; k++)
okPointp[start + k] = 0;
okPolygonp[ipoly] = 0;
break;
}
}
// 2. Find polygons with all vertices outside the plot region
double xmin = xp[start], xmax = xp[start], ymin = yp[start], ymax=yp[start];
for (int j = 1; j < 4; j++) {
if (xp[start + j] < xmin) xmin = xp[start + j];
if (yp[start + j] < ymin) ymin = yp[start + j];
if (xp[start + j] > xmax) xmax = xp[start + j];
if (yp[start + j] > ymax) ymax = yp[start + j];
}
if (xmax < usrp[0] || usrp[1] < xmin || ymax < usrp[2] || usrp[3] < ymin) {
#ifdef DEBUG
if (count < ncount) {
count++;
Rprintf("clipping points %d to %d\n", start, start+4);
}
#endif
for (int k = 0; k < 5; k++) {
clippedPointp[start + k] = 1;
}
clippedPolygonp[ipoly] = 1;
}
// 3. Find polygons with excessive x range (an error in projection)
for (int j = 1; j < 4; j++) { // skip 5th point which is surely NA
if (dxPermitted < fabs(xp[start + j] - xp[start + j - 1])) {
#ifdef DEBUG
if (count++ < ncount) { // FIXME: remove when working
Rprintf("(3.) ipoly: %d, j: %d, span: %f (limit to span: %f)\n",
ipoly, j, fabs(xp[start+j]-xp[start+j-1]), dxPermitted);
}
#endif
//.........这里部分代码省略.........
开发者ID:AnneMTreasure,项目名称:oce,代码行数:101,代码来源:map.c
示例15: loc_get_target
unsigned int loc_get_target(void)
{
if (gTarget != (unsigned int)-1)
return gTarget;
static const char hw_platform[] = "/sys/devices/soc0/hw_platform";
static const char id[] = "/sys/devices/soc0/soc_id";
static const char hw_platform_dep[] =
"/sys/devices/system/soc/soc0/hw_platform";
static const char id_dep[] = "/sys/devices/system/soc/soc0/id";
static const char mdm[] = "/dev/mdm"; // No such file or directory
char rd_hw_platform[LINE_LEN];
char rd_id[LINE_LEN];
char rd_mdm[LINE_LEN];
char baseband[LINE_LEN];
if (is_qca1530()) {
gTarget = TARGET_QCA1530;
goto detected;
}
loc_get_target_baseband(baseband, sizeof(baseband));
if (!access(hw_platform, F_OK)) {
read_a_line(hw_platform, rd_hw_platform, LINE_LEN);
} else {
read_a_line(hw_platform_dep, rd_hw_platform, LINE_LEN);
}
if (!access(id, F_OK)) {
read_a_line(id, rd_id, LINE_LEN);
} else {
read_a_line(id_dep, rd_id, LINE_LEN);
}
if( !memcmp(baseband, STR_APQ, LENGTH(STR_APQ)) ){
if( !memcmp(rd_id, MPQ8064_ID_1, LENGTH(MPQ8064_ID_1))
&& IS_STR_END(rd_id[LENGTH(MPQ8064_ID_1)]) )
gTarget = TARGET_MPQ;
else
gTarget = TARGET_APQ_SA;
}
else {
if( (!memcmp(rd_hw_platform, STR_LIQUID, LENGTH(STR_LIQUID))
&& IS_STR_END(rd_hw_platform[LENGTH(STR_LIQUID)])) ||
(!memcmp(rd_hw_platform, STR_SURF, LENGTH(STR_SURF))
&& IS_STR_END(rd_hw_platform[LENGTH(STR_SURF)])) ||
(!memcmp(rd_hw_platform, STR_MTP, LENGTH(STR_MTP))
&& IS_STR_END(rd_hw_platform[LENGTH(STR_MTP)]))) {
if (!read_a_line( mdm, rd_mdm, LINE_LEN))
gTarget = TARGET_MDM;
}
else if( (!memcmp(rd_id, MSM8930_ID_1, LENGTH(MSM8930_ID_1))
&& IS_STR_END(rd_id[LENGTH(MSM8930_ID_1)])) ||
(!memcmp(rd_id, MSM8930_ID_2, LENGTH(MSM8930_ID_2))
&& IS_STR_END(rd_id[LENGTH(MSM8930_ID_2)])) )
gTarget = TARGET_MSM_NO_SSC;
else
gTarget = TARGET_UNKNOWN;
}
detected:
LOC_LOGD("HAL: %s returned %d", __FUNCTION__, gTarget);
return gTarget;
}
开发者ID:F4k,项目名称:android_device_samsung_serrano-common,代码行数:66,代码来源:loc_target.cpp
示例16: call_mebdfi
SEXP call_mebdfi(SEXP y, SEXP yprime, SEXP times, SEXP resfunc, SEXP parms,
SEXP rtol, SEXP atol, SEXP itol, SEXP rho, SEXP Tcrit, SEXP Hini,
SEXP Maxord, SEXP maxIt, SEXP nind, SEXP jacfunc, SEXP initfunc,
SEXP verbose, SEXP Mf, SEXP Mbnd, SEXP Liw, SEXP Lrw,
SEXP nOut, SEXP Rpar, SEXP Ipar, SEXP flist, SEXP Funtype, SEXP Mass)
{
/******************************************************************************/
/****** DECLARATION SECTION ******/
/******************************************************************************/
/* These R-structures will be allocated and returned to R*/
SEXP yout, yout2=NULL, dyout=NULL, ISTATE, RWORK;
int i, j, k, nt, latol, lrtol, lrw, liw, isDll;
int isForcing , Itol, *mbnd, mf, maxord, isOut;
double *xytmp, *xdytmp, *rwork, tin, tout, *Atol, *Rtol, tcrit, hini;
double *delta=NULL, cj;
int idid, *iwork, ires, ierr, funtype;
C_res_func_type *res_func = NULL;
C_jac_func_type *jac_func = NULL;
/******************************************************************************/
/****** STATEMENTS ******/
/******************************************************************************/
/* #### initialisation #### */
init_N_Pr
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