src/test/scripts/functions/misc/FunInExpression4.dml

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foo = function(Matrix[Double] A) return(Matrix[Double] B) {
   if( sum(A) != 0 )
      B = A + A;
   else
      B = A + 2;
}

A = matrix(0.07, 10, 10);
R0 = matrix(0, 11, 11);
R0[1:10,1:10] = (1 + foo(1.5*A) - foo(A/2) - 1) / 2;
while(FALSE){}

R = as.matrix(sum(R0));

write(R, $1);