about to do longjmp
Error 131: Divide by zero
.*0 / 1\.8e\+308 =    0
.*0 \* 1\.8e\+308 =    0
.*1\.8e\+308 / 1\.8e\+308 =    1
.*1\.8e\+308 \* 1\.8e\+308 = *(inf|1\.#J)