---
tests/checkasm/lpc.c | 36 ++++++++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/tests/checkasm/lpc.c b/tests/checkasm/lpc.c
index 592e34c03d..8e92a9e1b4 100644
--- a/tests/checkasm/lpc.c
+++ b/tests/checkasm/lpc.c
@@ -57,10 +57,40 @@ static void test_window(int len)
bench_new(src, len, dst1);
}
+static void test_compute_autocorr(int lag)
+{
+ LOCAL_ALIGNED(16, double, src, [5000]);
+ LOCAL_ALIGNED(16, double, dst0, [32]);
+ LOCAL_ALIGNED(16, double, dst1, [32]);
+ const size_t len = 5000;
+
+ declare_func(void, const double *in, ptrdiff_t len, int lag, double *out);
+
+ for (size_t i = 0; i < len; i++) {
+ src[i] = (double)rnd() / (double)UINT_MAX;
+ }
+
+ call_ref(src, len, lag, dst0);
+ call_new(src, len, lag, dst1);
+
+ for (size_t i = 0; i < lag; i++) {
+ if (!double_near_abs_eps(dst0[i], dst1[i], EPS)) {
+ fprintf(stderr, "%zu: %- .12f - %- .12f = % .12g\n",
+ i, dst0[i], dst1[i], dst0[i] - dst1[i]);
+ fail();
+ break;
+ }
+ }
+
+ bench_new(src, len, lag, dst1);
+}
+
void checkasm_check_lpc(void)
{
LPCContext ctx;
int len = rnd() % 5000;
+ static const int lags[] = { 10, 30, 32 };
+
ff_lpc_init(&ctx, 32, 16, FF_LPC_TYPE_DEFAULT);
if (check_func(ctx.lpc_apply_welch_window, "apply_welch_window_even")) {
@@ -73,5 +103,11 @@ void checkasm_check_lpc(void)
}
report("apply_welch_window_odd");
+ for (size_t i = 0; i < FF_ARRAY_ELEMS(lags); i++) {
+ if (check_func(ctx.lpc_compute_autocorr, "autocorr_%d", lags[i]))
+ test_compute_autocorr(lags[i]);
+ report("compute_autocorr_%d", lags[i]);
+ }
+
ff_lpc_end(&ctx);
}
--
2.43.0
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