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Program received signal SIGFPE, Arithmetic exception.<br>
0x1202c4e1c in MatMult_SeqBAIJ_1 (A=0x120bbc440, xx=0x120bca010,<br>
&nbsp;&nbsp;&nbsp; zz=0x120cb1dd0) at baij2.c:260<br>
260&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; while (n--) sum += *v++ * x[*idx++];<br>
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