public RRaw op(RRaw a, RRaw b, ASTNode ast) {
int na = a.size();
int nb = b.size();
int[] dimensions = Arithmetic.resultDimensions(ast, a, b);
Names names = Arithmetic.resultNames(ast, a, b);
if (na == 0 || nb == 0) {
return RRaw.EMPTY;
}
int n = (na > nb) ? na : nb;
byte[] content = new byte[n];
int ai = 0;
int bi = 0;
for (int i = 0; i < n; i++) {
byte araw = a.getRaw(ai++);
if (ai == na) {
ai = 0;
}
byte braw = b.getRaw(bi++);
if (bi == nb) {
bi = 0;
}
content[i] = op(araw, braw);
}
if (ai != 0 || bi != 0) {
RContext.warning(ast, RError.LENGTH_NOT_MULTI);
}
return RRaw.RRawFactory.getFor(content, dimensions, names);
}
public static RRaw doubleToRaw(
RDouble value, ConversionStatus warn) { // eager to keep error semantics eager
int size = value.size();
byte[] content = new byte[size];
for (int i = 0; i < size; i++) {
double dval = value.getDouble(i);
content[i] = Convert.double2raw(dval, warn);
}
return RRaw.RRawFactory.getFor(content, value.dimensions(), value.names());
}