SEXP do_cum(SEXP call, SEXP op, SEXP args, SEXP env)
{
SEXP s, t, ans;
int i;
checkArity(op, args);
if (DispatchGroup("Math", call, op, args, env, &ans))
return ans;
if (isComplex(CAR(args))) {
t = CAR(args);
s = allocVector(CPLXSXP, LENGTH(t));
setAttrib(s, R_NamesSymbol, getAttrib(t, R_NamesSymbol));
for (i = 0 ; i < length(t) ; i++) {
COMPLEX(s)[i].r = NA_REAL;
COMPLEX(s)[i].i = NA_REAL;
}
switch (PRIMVAL(op) ) {
case 1: /* cumsum */
return ccumsum(t, s);
break;
case 2: /* cumprod */
return ccumprod(t, s);
break;
case 3: /* cummax */
case 4: /* cummin */
errorcall(call, _("min/max not defined for complex numbers"));
break;
default:
errorcall(call, _("unknown cumxxx function"));
}
}
else { /* Non-Complex: here, (sh|c)ould differentiate real / int */
PROTECT(t = coerceVector(CAR(args), REALSXP));
s = allocVector(REALSXP, LENGTH(t));
setAttrib(s, R_NamesSymbol, getAttrib(t, R_NamesSymbol));
for(i = 0 ; i < length(t) ; i++)
REAL(s)[i] = NA_REAL;
UNPROTECT(1);
switch (PRIMVAL(op) ) {
case 1: /* cumsum */
return cumsum(t,s);
break;
case 2: /* cumprod */
return cumprod(t,s);
break;
case 3: /* cummax */
return cummax(t,s);
break;
case 4: /* cummin */
return cummin(t,s);
break;
default:
errorcall(call, _("unknown cumxxx function"));
}
}
return R_NilValue; /* for -Wall */
}
SEXP attribute_hidden do_cum(SEXP call, SEXP op, SEXP args, SEXP env)
{
SEXP s, t, ans;
R_xlen_t i, n;
checkArity(op, args);
if (DispatchGroup("Math", call, op, args, env, &ans))
return ans;
if (isComplex(CAR(args))) {
t = CAR(args);
n = XLENGTH(t);
PROTECT(s = allocVector(CPLXSXP, n));
setAttrib(s, R_NamesSymbol, getAttrib(t, R_NamesSymbol));
UNPROTECT(1);
if(n == 0) return s;
for (i = 0 ; i < n ; i++) {
COMPLEX(s)[i].r = NA_REAL;
COMPLEX(s)[i].i = NA_REAL;
}
switch (PRIMVAL(op) ) {
case 1: /* cumsum */
return ccumsum(t, s);
break;
case 2: /* cumprod */
return ccumprod(t, s);
break;
case 3: /* cummax */
errorcall(call, _("'cummax' not defined for complex numbers"));
break;
case 4: /* cummin */
errorcall(call, _("'cummin' not defined for complex numbers"));
break;
default:
errorcall(call, "unknown cumxxx function");
}
} else if( ( isInteger(CAR(args)) || isLogical(CAR(args)) ) &&
PRIMVAL(op) != 2) {
PROTECT(t = coerceVector(CAR(args), INTSXP));
n = XLENGTH(t);
PROTECT(s = allocVector(INTSXP, n));
setAttrib(s, R_NamesSymbol, getAttrib(t, R_NamesSymbol));
if(n == 0) {
UNPROTECT(2); /* t, s */
return s;
}
for(i = 0 ; i < n ; i++) INTEGER(s)[i] = NA_INTEGER;
switch (PRIMVAL(op) ) {
case 1: /* cumsum */
ans = icumsum(t,s);
break;
case 3: /* cummax */
ans = icummax(t,s);
break;
case 4: /* cummin */
ans = icummin(t,s);
break;
default:
errorcall(call, _("unknown cumxxx function"));
ans = R_NilValue;
}
UNPROTECT(2); /* t, s */
return ans;
} else {
PROTECT(t = coerceVector(CAR(args), REALSXP));
n = XLENGTH(t);
PROTECT(s = allocVector(REALSXP, n));
setAttrib(s, R_NamesSymbol, getAttrib(t, R_NamesSymbol));
UNPROTECT(2);
if(n == 0) return s;
for(i = 0 ; i < n ; i++) REAL(s)[i] = NA_REAL;
switch (PRIMVAL(op) ) {
case 1: /* cumsum */
return cumsum(t,s);
break;
case 2: /* cumprod */
return cumprod(t,s);
break;
case 3: /* cummax */
return cummax(t,s);
break;
case 4: /* cummin */
return cummin(t,s);
break;
default:
errorcall(call, _("unknown cumxxx function"));
}
}
return R_NilValue; /* for -Wall */
}
