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  1. Hello all tech-lovers; Do any of you guys have experience using Eigen library (http://eigen.tuxfamily.org/index.php?title=Main_Page) in bared metal OS ? When I try to define a matrix like : xil_printf(" TP CC 0 \r\n "); MatrixXd m1(6,6); MatrixXd m1_inv(6,6); xil_printf(" TP CC 1 \r\n "); the program is compiled and built, but when running it on the board, it HALT happens! I saw the assembly code of the line that exception happens, it is 0010da80: ldr r0, [r0] in which r0= 3758100524 I think the halt is because of referring to the address( decimal: 3758100524, Hex: E000102C )which is out of range of the address bus of Zybo! However this code works fine on PC ( X86) But I don’t know why my c codes convert to this assembly code. I would appreciate if any of you guys have any hint or experience on that.