src/test/scripts/functions/parfor/parfor_bcdatapartitioning_neg.dml

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X = read($1);
N = 200;

if( sum(X)<0 ) #cause unknown sparsity
   X = matrix(1, rows=100000000, cols=ncol(X));

R = matrix(0, rows=ceil(ncol(X)/N), cols=1); 

parfor( bi in 1:ceil(ncol(X)/N), opt=CONSTRAINED, datapartitioner=$2, mode=$3, log=DEBUG) {
   Xbi = X[,(7+(bi-1)*N+1):min(bi*N,ncol(X))];   
   print(sum(Xbi));
   R[bi,1] = sum(Xbi); 
}   

write(R, $4);