C++ ISNA函数代码示例

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本文整理汇总了C++中ISNA函数的典型用法代码示例。如果您正苦于以下问题：C++ ISNA函数的具体用法？C++ ISNA怎么用？C++ ISNA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ISNA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: R_approx

void R_approx(double *x, double *y, int *nxy, double *xout, int *nout,
	      int *method, double *yleft, double *yright, double *f)
{
    int i;
    appr_meth M = {0.0, 0.0, 0.0, 0.0, 0}; /* -Wall */

    /* check interpolation method */

    switch(*method) {
    case 1: /* linear */
	    break;
    case 2: /* constant */
      if(!R_FINITE(*f) || *f < 0 || *f > 1)
        error(_("approx(): invalid f value"));
      M.f2 = *f;
      M.f1 = 1 - *f;
      break;
    default:
    	error(_("approx(): invalid interpolation method"));
	    break;
    }

    for(i = 0 ; i < *nxy ; i++)
	    if(ISNA(x[i]) || ISNA(y[i]))
	      error(_("approx(): attempted to interpolate NA values"));

    M.kind = *method;
    M.ylow = *yleft;
    M.yhigh = *yright;

    for(i = 0 ; i < *nout; i++)
	    if(!ISNA(xout[i]))
	      xout[i] = approx1(xout[i], x, y, *nxy, &M);
}

开发者ID:BlackCar，项目名称:renjin，代码行数:34，代码来源:approx.c

示例2: geoddist_alongpath

SEXP geoddist_alongpath(SEXP lat, SEXP lon, SEXP a, SEXP f)
{
  if (!isReal(lat))
    error("latitude must be a numeric (floating-point) vector");
  if (!isReal(lon))
    error("longitude must be a numeric (floating-point) vector");
  SEXP res;
  //int n = INTEGER(GET_LENGTH(lat));
  //int nlon = INTEGER(GET_LENGTH(lon));
  int n = GET_LENGTH(lat);
  int nlon = GET_LENGTH(lon);
  if (n != nlon)
    error("lengths of latitude and longitude vectors must match, but they are %d and %d, respectively", n, nlon);
  double *latp = REAL(lat);
  double *lonp = REAL(lon);
  double *ap = REAL(a);
  double *fp = REAL(f);
  PROTECT(res = allocVector(REALSXP, n));
  double *resp = REAL(res);
  double last = 0.0;
  resp[0] = ISNA(lonp[0]) ? NA_REAL : 0.0;
  for (int i = 0; i < n-1; i++) {
    double faz, baz, s;
    if (ISNA(latp[i]) || ISNA(lonp[i]) || ISNA(latp[i+1]) || ISNA(lonp[i+1])) {
      resp[i+1] = NA_REAL;
      last = 0.0; // reset
    } else {
      geoddist_core(latp+i, lonp+i, latp+i+1, lonp+i+1, ap, fp, &faz, &baz, &s);
      resp[i+1] = last + s;
      last = resp[i+1];
    }
  }
  UNPROTECT(1);
  return(res);
}

开发者ID:AnneMTreasure，项目名称:oce，代码行数:35，代码来源:geod.c

示例3: rtexpon_rate

// TODO: NEED TO DEAL WITH Inf/NA/NaN
void rtexpon_rate(double *x, double *left, double *right, double *rate, int *num)
{
  RNG r;

  #ifdef USE_R
  GetRNGstate();
  #endif

  for(int i=0; i < *num; ++i){
    #ifdef USE_R
    if (i%SAMPCHECK==0) R_CheckUserInterrupt();

    if (ISNAN(left[i]) || ISNAN(right[i]) || ISNAN(rate[i]) || !R_FINITE(left[i]) ||
	ISNA(left[i])  || ISNA(right[i])  || ISNA(rate[i]) ) 
      {
	x[i] = R_NaN; 
	fprintf(stderr, "rtexpon_rate: caught non finite left value: %g; x[i] = %g.\n", left[i], x[i]);
      }

    #endif

    // TODO: Really, I need to check if it is +/- Inf.
    if (MYFINITE(right[i]))
      x[i] = r.texpon_rate(left[i], right[i], rate[i]);
    else 
      x[i] = r.texpon_rate(left[i], rate[i]);

  }

  #ifdef USE_R
  PutRNGstate();
  #endif
}

开发者ID:jwindle，项目名称:BayesBridge，代码行数:34，代码来源:BridgeWrapper.cpp

示例4: pearson_distances_pairwise_complete_obs_variant

// variant: means by /nrow rather than /npairs when dealing with missing data
// deviates from R's pairwise.complete.obs, but highly similar.
// good results in context of particular biological validations,
// but formal correctness undetermined
void
pearson_distances_pairwise_complete_obs_variant(
	double * const d,
	const double * const matrix,
	int const nrow,
	int const ncol
){
	std::ptrdiff_t p(0);
	t_float EX(0), EY(0), EXX(0), EYY(0), EXY(0), x(0), y(0);
	for(int col1(0), end(ncol); col1<(end-1); ++col1){
		for(int col2(col1+1); col2<end; ++col2){
			// Pearson correlation distance
			EX=0, EY=0, EXX=0, EYY=0, EXY=0, x=0, y=0;
			unsigned npairs(0);
			for(int row(0); row<nrow; ++row){
				// R indexes its arrays BY COLUMN
				x = matrix[col1*nrow+row];
				y = matrix[col2*nrow+row];
				if(ISNA(x) || ISNA(y)) continue;
				++npairs;
				EX += x;
				EY += y;
				EXX += x*x;
				EYY += y*y;
				EXY += x*y;
			}
			if(npairs<1) d[p++] = 2.0;
			else d[p++] = 1.0 - (EXY - EX*EY/nrow) / sqrt( (EXX - EX*EX/nrow)*(EYY - EY*EY/nrow) );
		}
	}
}

开发者ID:justinashworth，项目名称:fastcluster_mod，代码行数:35，代码来源:fastcluster_R.cpp

示例5: min

const char
*EncodeComplex(Rcomplex x, int wr, int dr, int er, int wi, int di, int ei,
	       const char *dec)
{
    static char buff[NB];

    /* IEEE allows signed zeros; strip these here */
    if (x.r == 0.0) x.r = 0.0;
    if (x.i == 0.0) x.i = 0.0;

    if (ISNA(x.r) || ISNA(x.i)) {
	snprintf(buff, NB,
		 "%*s", /* was "%*s%*s", R_print.gap, "", */
		 min(wr+wi+2, (NB-1)), CHAR(R_print.na_string));
    } else {
	char Re[NB];
	const char *Im, *tmp;
	int flagNegIm = 0;
	Rcomplex y;
	/* formatComplex rounded, but this does not, and we need to
	   keep it that way so we don't get strange trailing zeros.
	   But we do want to avoid printing small exponentials that
	   are probably garbage.
	 */
	z_prec_r(&y, &x, R_print.digits);
	/* EncodeReal has static buffer, so copy */
	tmp = EncodeReal0(y.r == 0. ? y.r : x.r, wr, dr, er, dec);
	strcpy(Re, tmp);
	if ( (flagNegIm = (x.i < 0)) ) x.i = -x.i;
	Im = EncodeReal0(y.i == 0. ? y.i : x.i, wi, di, ei, dec);
	snprintf(buff, NB, "%s%s%si", Re, flagNegIm ? "-" : "+", Im);
    }
    buff[NB-1] = '\0';
    return buff;
}

开发者ID:LeviosaPumpkin，项目名称:picard-1.138，代码行数:35，代码来源:printutils.c

示例6: rtnorm

void rtnorm(double *x, double *left, double* right, double *mu, double *sig, int *num)
{
  // TODO: NEED TO DEAL WITH Inf/NA/NaN

  RNG r;
  
  #ifdef USE_R
  GetRNGstate();
  #endif
  
  for(int i=0; i < *num; ++i){
    #ifdef USE_R
    if (i%SAMPCHECK==0) R_CheckUserInterrupt(); 

    if (ISNAN(left[i]) || ISNAN(right[i]) || ISNAN(mu[i]) || ISNAN(sig[i]))
      x[i] = R_NaN;

    if (ISNA(left[i]) || ISNA(right[i]) || ISNA(mu[i]) || ISNA(sig[i]))
      x[i] = NA_REAL;
    
    #endif
    
    #ifdef USE_R

    if (left[i] != R_NegInf && right[i] != R_PosInf) {
      x[i] = r.tnorm(left[i], right[i], mu[i], sig[i]);
    } else if (left[i] != R_NegInf && right[i] == R_PosInf) {
      x[i] = r.tnorm(left[i], mu[i], sig[i]);
    } else if (left[i] == R_NegInf && right[i] != R_PosInf) {
      x[i] = -1.0 * r.tnorm(-1.0 * right[i], -1.0 * mu[i], sig[i]);
    } else if (left[i] == R_NegInf && right[i] == R_PosInf) {
      x[i] = r.norm(mu[i], sig[i]);
    } else {
      x[i] = R_NaN;
    }

    #else

    // TODO: Need to adjust so that we deal with +/- inf.

    if (MYFINITE(left[i]) && MYFINITE(right[i]))
      x[i] = r.tnorm(left[i], right[i], mu[i], sig[i]);
    else if (MYFINITE(left[i]))
      x[i] = r.tnorm(left[i], mu[i], sig[i]);
    else if (MYFINITE(right[i]))
      x[i] = -1.0 * r.tnorm(-1.0 * right[i], -1.0 * mu[i], sig[i]);
    else 
      x[i] = r.norm(mu[i], sig[i]);

    #endif
	
  }
  
  #ifdef USE_R
  PutRNGstate();
  #endif
}

开发者ID:jwindle，项目名称:BayesBridge，代码行数:57，代码来源:BridgeWrapper.cpp

示例7: zeroin2

/* zeroin2(f, ax, bx, f.ax, f.bx, tol, maxiter) */
SEXP zeroin2(SEXP call, SEXP op, SEXP args, SEXP rho)
{
    double f_ax, f_bx;
    double xmin, xmax, tol;
    int iter;
    SEXP v, res;
    struct callinfo info;

    args = CDR(args);
    PrintDefaults();

    /* the function to be minimized */
    v = CAR(args);
    if (!isFunction(v)) error(_("attempt to minimize non-function"));
    args = CDR(args);

    /* xmin */
    xmin = asReal(CAR(args));
    if (!R_FINITE(xmin)) error(_("invalid '%s' value"), "xmin");
    args = CDR(args);

    /* xmax */
    xmax = asReal(CAR(args));
    if (!R_FINITE(xmax)) error(_("invalid '%s' value"), "xmax");
    if (xmin >= xmax) error(_("'xmin' not less than 'xmax'"));
    args = CDR(args);

    /* f(ax) = f(xmin) */
    f_ax = asReal(CAR(args));
    if (ISNA(f_ax)) error(_("NA value for '%s' is not allowed"), "f.lower");
    args = CDR(args);

    /* f(bx) = f(xmax) */
    f_bx = asReal(CAR(args));
    if (ISNA(f_bx)) error(_("NA value for '%s' is not allowed"), "f.upper");
    args = CDR(args);

    /* tol */
    tol = asReal(CAR(args));
    if (!R_FINITE(tol) || tol <= 0.0) error(_("invalid '%s' value"), "tol");
    args = CDR(args);

    /* maxiter */
    iter = asInteger(CAR(args));
    if (iter <= 0) error(_("'maxiter' must be positive"));

    info.R_env = rho;
    PROTECT(info.R_fcall = lang2(v, R_NilValue)); /* the info used in fcn2() */
    PROTECT(res = allocVector(REALSXP, 3));
    REAL(res)[0] =
	R_zeroin2(xmin, xmax, f_ax, f_bx, (double (*)(double, void*)) fcn2,
		 (void *) &info, &tol, &iter);
    REAL(res)[1] = (double)iter;
    REAL(res)[2] = tol;
    UNPROTECT(2);
    return res;
}

开发者ID:FatManCoding，项目名称:r-source，代码行数:58，代码来源:optimize.c

示例8:

GBMRESULT CDataset::SetData
(
    double *adX,
    int *aiXOrder,
    double *adY,
    double *adOffset,
    double *adWeight,
    double *adMisc,
    int cRows,
    int cCols,
    int *acVarClasses,
    int *alMonotoneVar
)
{
    GBMRESULT hr = GBM_OK;

    if((adX == NULL) || (adY == NULL))
    {
        hr = GBM_INVALIDARG;
        goto Error;
    }

    this->cRows = cRows;
    this->cCols = cCols;

    this->adX = adX;
    this->aiXOrder = aiXOrder;
    this->adY = adY;
    this->adOffset = adOffset;
    this->adWeight = adWeight;
    this->acVarClasses = acVarClasses;
    this->alMonotoneVar = alMonotoneVar;

    if((adOffset != NULL) && !ISNA(*adOffset))
    {
        this->adOffset = adOffset;
        fHasOffset = true;
    }
    else
    {
        this->adOffset = NULL;
        fHasOffset = false;
    }
    if((adMisc != NULL) && !ISNA(*adMisc))
    {
        this->adMisc = adMisc;
    }
    else
    {
        this->adMisc = NULL;
    }

Cleanup:
   return hr;
Error:
    goto Cleanup;
}

开发者ID:FeiYeYe，项目名称:gbm，代码行数:57，代码来源:dataset.cpp

示例9: ou2_dmeasure

// bivariate normal measurement error density
void ou2_dmeasure (double *lik, double *y, double *x, double *p, int give_log, 
		   int *obsindex, int *stateindex, int *parindex, int *covindex,
		   int covdim, double *covar, double t) 
{
  double sd = fabs(TAU);
  double f = 0.0;
  f += (ISNA(Y1)) ? 0.0 : dnorm(Y1,x[X1],sd,1);
  f += (ISNA(Y2)) ? 0.0 : dnorm(Y2,x[X2],sd,1);
  *lik = (give_log) ? f : exp(f);
}

开发者ID:hoehleatsu，项目名称:pomp，代码行数:11，代码来源:ou2.c

示例10: complex_math2

SEXP attribute_hidden complex_math2(SEXP call, SEXP op, SEXP args, SEXP env)
{
    R_xlen_t i, n, na, nb;
    Rcomplex ai, bi, *a, *b, *y;
    SEXP sa, sb, sy;
    Rboolean naflag = FALSE;
    cm2_fun f;

    switch (PRIMVAL(op)) {
    case 0: /* atan2 */
	f = z_atan2; break;
    case 10001: /* round */
	f = z_rround; break;
    case 2: /* passed from do_log1arg */
    case 10:
    case 10003: /* passed from do_log */
	f = z_logbase; break;
    case 10004: /* signif */
	f = z_prec; break;
    default:
	errorcall_return(call, _("unimplemented complex function"));
    }

    PROTECT(sa = coerceVector(CAR(args), CPLXSXP));
    PROTECT(sb = coerceVector(CADR(args), CPLXSXP));
    na = XLENGTH(sa); nb = XLENGTH(sb);
    if ((na == 0) || (nb == 0)) {
        UNPROTECT(2);
        return(allocVector(CPLXSXP, 0));
    }
    n = (na < nb) ? nb : na;
    PROTECT(sy = allocVector(CPLXSXP, n));
    a = COMPLEX(sa); b = COMPLEX(sb); y = COMPLEX(sy);
    for (i = 0; i < n; i++) {
	ai = a[i % na]; bi = b[i % nb];
	if(ISNA(ai.r) && ISNA(ai.i) &&
	   ISNA(bi.r) && ISNA(bi.i)) {
	    y[i].r = NA_REAL; y[i].i = NA_REAL;
	} else {
	    f(&y[i], &ai, &bi);
	    if ( (ISNAN(y[i].r) || ISNAN(y[i].i)) &&
		 !(ISNAN(ai.r) || ISNAN(ai.i) || ISNAN(bi.r) || ISNAN(bi.i)) )
		naflag = TRUE;
	}
    }
    if (naflag)
	warningcall(call, "NaNs produced in function \"%s\"", PRIMNAME(op));
    if(n == na) {
	DUPLICATE_ATTRIB(sy, sa);
    } else if(n == nb) {
	DUPLICATE_ATTRIB(sy, sb);
    }
    UNPROTECT(3);
    return sy;
}

开发者ID:SvenDowideit，项目名称:clearlinux，代码行数:55，代码来源:complex.c

示例11: printComplexMatrix

static void printComplexMatrix(SEXP sx, int offset, int r_pr, int r, int c,
                               SEXP rl, SEXP cl, const char *rn, const char *cn)
{
    _PRINT_INIT_rl_rn;
    Rcomplex *x = COMPLEX(sx) + offset;

    int *dr = (int *) R_alloc(c, sizeof(int)),
         *er = (int *) R_alloc(c, sizeof(int)),
          *wr = (int *) R_alloc(c, sizeof(int)),
           *di = (int *) R_alloc(c, sizeof(int)),
            *ei = (int *) R_alloc(c, sizeof(int)),
             *wi = (int *) R_alloc(c, sizeof(int));

    /* Determine the column widths */

    for (j = 0; j < c; j++) {
        formatComplex(&x[j * r], (R_xlen_t) r,
                      &wr[j], &dr[j], &er[j],
                      &wi[j], &di[j], &ei[j], 0);
        _PRINT_SET_clabw;
        w[j] = wr[j] + wi[j] + 2;
        if (w[j] < clabw)
            w[j] = clabw;
        w[j] += R_print.gap;
    }

    _PRINT_DEAL_c_eq_0;
    while (jmin < c) {
        width = rlabw;
        do {
            width += w[jmax];
            jmax++;
        }
        while (jmax < c && width + w[jmax] < R_print.width);

        _PRINT_ROW_LAB;

        for (j = jmin; j < jmax ; j++)
            MatrixColumnLabel(cl, j, w[j]);
        for (i = 0; i < r_pr; i++) {
            MatrixRowLabel(rl, i, rlabw, lbloff);
            for (j = jmin; j < jmax; j++) {
                if (ISNA(x[i + j * r].r) || ISNA(x[i + j * r].i))
                    Rprintf("%s", EncodeReal(NA_REAL, w[j], 0, 0, OutDec));
                else
                    Rprintf("%s",
                            EncodeComplex(x[i + j * r],
                                          wr[j] + R_print.gap, dr[j], er[j],
                                          wi[j], di[j], ei[j], OutDec));
            }
        }
        Rprintf("\n");
        jmin = jmax;
    }
}

开发者ID:Patsylou，项目名称:Web-Classification，代码行数:55，代码来源:printarray.c

示例12: adjRatios

SEXP adjRatios (SEXP split, SEXP div, SEXP close) {

    /* Initialize REAL pointers to function arguments */
    double *real_close = REAL(close);
    double *real_split = REAL(split);
    double *real_div   = REAL(div);
    
    /* Initalize loop and PROTECT counters */
    int i, P = 0;
    /* Initalize object length (NOTE: all arguments are the same length) */
    int N = length(close);

    /* Initalize result R objects */
    SEXP result;    PROTECT(result  = allocVector(VECSXP, 2)); P++;
    SEXP s_ratio;   PROTECT(s_ratio = allocVector(REALSXP,N)); P++;
    SEXP d_ratio;   PROTECT(d_ratio = allocVector(REALSXP,N)); P++;
    
    /* Initialize REAL pointers to R objects and set their last value to '1' */
    double *rs_ratio = REAL(s_ratio);
    double *rd_ratio = REAL(d_ratio);
    rs_ratio[N-1] = 1;
    rd_ratio[N-1] = 1;

    /* Loop over split/div vectors from newest period to oldest */
    for(i = N-1; i > 0; i--) {
        /* Carry newer ratio value backward */
        if(ISNA(real_split[i])) {
            rs_ratio[i-1] = rs_ratio[i];
        /* Update split ratio */
        } else {
            rs_ratio[i-1] = rs_ratio[i] * real_split[i];
        }
        /* Carry newer ratio value backward */
        if(ISNA(real_div[i])) {
            rd_ratio[i-1] = rd_ratio[i];
        } else {
        /* Update dividend ratio */
            rd_ratio[i-1] = rd_ratio[i] *
                (1.0 - real_div[i] / real_close[i-1]);
        }
    }
    
    /* Assign results to list */
    SET_VECTOR_ELT(result, 0, s_ratio);
    SET_VECTOR_ELT(result, 1, d_ratio);

    /* UNPROTECT R objects and return result */
    UNPROTECT(P);
    return(result);
}

开发者ID:RockingR，项目名称:TTR，代码行数:50，代码来源:adjRatios.c

示例13: x1

int Engine::gradient()
{
    double repsL, repsR;
    std::vector<double> x1(xBuffer_.size());
    std::vector<double> x2(xBuffer_.size());

    for (unsigned int i = 0; i < xBuffer_.size(); ++i)
    {
        std::copy(xBuffer_.begin(), xBuffer_.end(), x1.begin());
        std::copy(xBuffer_.begin(), xBuffer_.end(), x2.begin());
        repsL = reps_;
        repsR = reps_;

        x1[i] = xBuffer_[i] + repsR;
        if (x1[i] > upper_[i])
        {
            x1[i] = upper_[i];
            repsR = x1[i] - xBuffer_[i];
        }

        x2[i] = xBuffer_[i] - repsL;
        if (x2[i] < lower_[i])
        {
            x2[i] = lower_[i];
            repsL = xBuffer_[i] - x2[i];
        }
        g_[i] = (fObjective(x1) - fObjective(x2)) / (repsL + repsR);

        if (ISNA(g_[i]) || !R_FINITE(g_[i]))
        {
            g_[i] = 101.;
        }
    }
    return 0;
}

开发者ID:aaronjfisher，项目名称:GenSA，代码行数:35，代码来源:Engine.cpp

示例14: if

attribute_hidden
const char *EncodeReal2(double x, int w, int d, int e)
{
    static char buff[NB];
    char fmt[20];

    /* IEEE allows signed zeros (yuck!) */
    if (x == 0.0) x = 0.0;
    if (!R_FINITE(x)) {
	if(ISNA(x)) snprintf(buff, NB, "%*s", w, CHAR(R_print.na_string));
	else if(ISNAN(x)) snprintf(buff, NB, "%*s", w, "NaN");
	else if(x > 0) snprintf(buff, NB, "%*s", w, "Inf");
	else snprintf(buff, NB, "%*s", w, "-Inf");
    }
    else if (e) {
	if(d) {
	    sprintf(fmt,"%%#%d.%de", min(w, (NB-1)), d);
	    snprintf(buff, NB, fmt, x);
	}
	else {
	    sprintf(fmt,"%%%d.%de", min(w, (NB-1)), d);
	    snprintf(buff, NB, fmt, x);
	}
    }
    else { /* e = 0 */
	sprintf(fmt,"%%#%d.%df", min(w, (NB-1)), d);
	snprintf(buff, NB, fmt, x);
    }
    buff[NB-1] = '\0';
    return buff;
}

开发者ID:SensePlatform，项目名称:R，代码行数:31，代码来源:printutils.c

示例15: StringFromReal

SEXP attribute_hidden StringFromReal(double x, int *warn)
{
    int w, d, e;
    formatReal(&x, 1, &w, &d, &e, 0);
    if (ISNA(x)) return NA_STRING;
    else return mkChar(EncodeRealDrop0(x, w, d, e, OutDec));
}

开发者ID:LeviosaPumpkin，项目名称:picard-1.138，代码行数:7，代码来源:printutils.c

示例16: tmin

Rboolean tmin(double *x, index_type n, double *value, Rboolean narm, 
              double NA_VALUE)
{
  double s = 0.0; /* -Wall */
  Rboolean updated = (Rboolean)FALSE;

  for (index_type i = 0; i < n; i++) {
    if (ISNAN(x[i])) {/* Na(N) */
      if (!narm) {
        if(!ISNA(s)) s = x[i]; /* so any NA trumps all NaNs */
        if(!updated) updated = (Rboolean)TRUE;
      } // narm = TRUE then nothing.
    } // When for all i: (ISNAN && narm) = TRUE then updated = FALSE
    else if (!updated || x[i] < s) {/* Never true if s is NA/NaN */
      s = x[i];
      if(!updated) updated = (Rboolean)TRUE;
    }
  }
  
  if (!updated) {
    // *value = NA_REAL;
    if (narm) {  // To Make consistent w/ R-min
      *value = R_PosInf;
    } else {
      *value = NA_REAL;
    }
  } else {
    *value = s;
  }
  return((Rboolean)TRUE);
}

开发者ID:kaneplusplus，项目名称:biganalytics，代码行数:31，代码来源:summary_stat.cpp

示例17: any_na

// [[register]]
SEXP any_na( SEXP x ) {
	SEXP out;
	PROTECT(out = allocVector(LGLSXP, 1));
	int len = length(x);
	switch( TYPEOF(x) ) {
	case REALSXP: {
		double* ptr = REAL(x);
		for( int i=0; i < len; ++i ) {
			if( ISNA( ptr[i] ) || ISNAN( ptr[i] ) ) {
				LOGICAL(out)[0] = TRUE;
				UNPROTECT(1);
				return out;
			}
		}
		LOGICAL(out)[0] = FALSE;
		UNPROTECT(1);
		return out;
	}
	case INTSXP: {
		int* ptr = INTEGER(x);
		for( int i=0; i < len; ++i ) {
			if( ptr[i] == NA_INTEGER ) {
				LOGICAL(out)[0] = TRUE;
				UNPROTECT(1);
				return out;
			}
		}
		LOGICAL(out)[0] = FALSE;
		UNPROTECT(1);
		return out;
	}
	case LGLSXP: {
		int* ptr = LOGICAL(x);
		for( int i=0; i < len; ++i ) {
			if( ptr[i] == NA_LOGICAL ) {
				LOGICAL(out)[0] = TRUE;
				UNPROTECT(1);
				return out;
			}
		}
		LOGICAL(out)[0] = FALSE;
		UNPROTECT(1);
		return out;
	}
	case STRSXP: {
		for( int i=0; i < len; ++i ) {
			if( STRING_ELT(x, i) == NA_STRING ) {
				LOGICAL(out)[0] = TRUE;
				UNPROTECT(1);
				return out;
			}
		}
		LOGICAL(out)[0] = FALSE;
		UNPROTECT(1);
		return out;
	}
	}
	error("argument is of incompatible type '%s'", type2char( TYPEOF(x) ) );
	return x;
}

开发者ID:Libardo1，项目名称:Kmisc，代码行数:61，代码来源:any_na.c

示例18: cmath1

static Rboolean cmath1(double complex (*f)(double complex),
		       Rcomplex *x, Rcomplex *y, R_xlen_t n)
{
    R_xlen_t i;
    Rboolean naflag = FALSE;
    for (i = 0 ; i < n ; i++) {
	if (ISNA(x[i].r) || ISNA(x[i].i)) {
	    y[i].r = NA_REAL; y[i].i = NA_REAL;
	} else {
	    SET_C99_COMPLEX(y, i, f(toC99(x + i)));
	    if ( (ISNAN(y[i].r) || ISNAN(y[i].i)) &&
		!(ISNAN(x[i].r) || ISNAN(x[i].i)) ) naflag = TRUE;
	}
    }
    return naflag;
}

开发者ID:SvenDowideit，项目名称:clearlinux，代码行数:16，代码来源:complex.c

示例19:

signed char CNodeContinuous::WhichNode
(
    double *adX,
    unsigned long cRow,
    unsigned long cCol,
    unsigned long iRow
)
{
    signed char ReturnValue = 0;
    double dX = adX[iSplitVar*cRow + iRow];

    if(!ISNA(dX))
    {
        if(dX < dSplitValue)
        {
            ReturnValue = -1;
        }
        else
        {
            ReturnValue = 1;
        }
    }
    // if missing value returns 0

    return ReturnValue;
}

开发者ID:ChenglongChen，项目名称:gbm，代码行数:26，代码来源:node_continuous.cpp

示例20: gini_matrix

extern SEXP gini_matrix(SEXP value,
		 SEXP nrowR,
		 SEXP ncolR) {
  double *pmat = REAL(value);
  int nrow = INTEGER(nrowR)[0];
  int ncol = INTEGER(ncolR)[0];
  double rowvec[ncol];
  double curr;
  int i, j, k;
  
  SEXP res;
  PROTECT(res = allocVector(REALSXP,
			    nrow));
  for (i=0; i<nrow; i++) {
    k=0;
    for(j=0; j<ncol; j++) {
      curr=pmat[i+j*nrow];
      if(!ISNA(curr)) {
	rowvec[k++]=curr;
      }
    }
    REAL(res)[i] = stat_gini(rowvec, k);
  }
  UNPROTECT(1);
  return(res);
}

开发者ID:Accio，项目名称:BioQC，代码行数:26，代码来源:gini.c

注：本文中的ISNA函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ ISNA函数代码示例

示例1: R_approx

示例2: geoddist_alongpath

示例3: rtexpon_rate

示例4: pearson_distances_pairwise_complete_obs_variant

示例5: min

示例6: rtnorm

示例7: zeroin2

示例8:

示例9: ou2_dmeasure

示例10: complex_math2

示例11: printComplexMatrix

示例12: adjRatios

示例13: x1

示例14: if

示例15: StringFromReal

示例16: tmin

示例17: any_na

示例18: cmath1

示例19:

示例20: gini_matrix

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