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Fix division by zero in StopWhenReturnsDiminish criterion #15

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Fix division by zero in StopWhenReturnsDiminish criterion #15

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4 changes: 4 additions & 0 deletions mapmap/source/termination_instances/stop_when_returns_diminish.impl.h
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Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,10 @@ check_termination(
/* determine improvement in the last couple of iterations */
newest_val = history->energy_history->back();

/* terminate if objective is already 0 */
if (newest_val == static_cast<_s_t<COSTTYPE, SIMDWIDTH>>(0))
return true;

luint_t oldest_pos = 0;
if(hist_size > m_iteration_span)
oldest_pos = (hist_size - 1) - m_iteration_span;
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