/*
 * demo.c - second translation unit of the integration fixture.
 *
 * Gives the fixture a real multi-file shape (the header demo.h is part of
 * the deliverable "sources + headers"). Deliberately libm-free: the only
 * libm dependency lives in main.c (sin), so a broken -lm accumulation is
 * caught at LINK time there.
 */

#include "demo.h"

int
demo_compute(int x)
{
    return x * 3 + 1;
}