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Fix numerical abs usage in primal-dual residual gap computation #61

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Fix numerical abs usage in primal-dual residual gap computation #61

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2 changes: 1 addition & 1 deletion src/solver.cu
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Original file line number Diff line number Diff line change
Expand Up @@ -820,7 +820,7 @@ static void perform_restart(pdhg_solver_state_t *state,
state->primal_weight_last_error = 0.0;
}

double primal_dual_residual_gap = abs(
double primal_dual_residual_gap = fabs(
log10(state->relative_dual_residual / state->relative_primal_residual));
if (primal_dual_residual_gap < state->best_primal_dual_residual_gap)
{
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