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366 B
Common Lisp

/*
* Apply PEC and preconditioner.
*
* Template parameters:
* pec false iff no PEC anywhere
*
* Arguments:
* ctype *E (output) E-field
* ctype *Pr Entries of (diagonal) right preconditioner matrix
* ctype *p (input vector)
*
*/
{%- if pec -%}
if (pec[i] != 0) {
E[i] = zero;
} else
{%- endif -%}
{
E[i] = mul(Pr[i], p[i]);
}