Function parse_pow

libavcodec/eval.c:295–299

}

static AVExpr * parse_pow(Parser *p, int *sign){
    *sign= (*p->s == '+') - (*p->s == '-');
    p->s += *sign&1;
    return parse_primary(p);
}

static AVExpr * parse_factor(Parser *p){
    int sign, sign2;