Draft implementation:HEADmain

- f must be divisors of 44100 and be positive
- 44100 hardcoded

1 files changed, 75 insertions, 0 deletions

diff --git a/lib/tests/ut.c b/lib/tests/ut.c
new file mode 100644
index 0000000..78f05ab
--- /dev/null
+++ b/lib/tests/ut.c
@@ -0,0 +1,75 @@
+#include "fct.h"
+
+#include <stdio.h>
+#include <libfshift.h>
+
+////////////////////////////////////////////////////////////////////////////////
+/*
+static float* create_chirp(int sz)
+{
+    int i = 0;
+    float* buf = malloc(sizeof(float) * sz);
+    static int done = 0;
+    for(i = 0; i < sz; i++) {
+        float t = i;
+        buf[i] = sinf((t + t * t * 0.5 / 2.0) * 2.0 * M_PI/(float)sz);
+    }
+    return buf;
+}
+*/
+
+static void create_sin(float* p, int sz)
+{
+	int i;
+	for (i = 0; i < sz; i++) {
+		*(p + i) = sinf((float)i * 32 * M_PI / (float)sz);
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+FCT_BGN()
+{
+FCT_SUITE_BGN(fshift)
+{
+	FCT_TEST_BGN(ctx-create-free)
+	{
+		fshift_ctx_t ctx = fshift_create_ctx(1.0, 8);
+		fshift_free_ctx(ctx);
+	}
+	FCT_TEST_END();
+/*
+	FCT_TEST_BGN(zero-one-frame)
+	{
+		fshift_ctx_t ctx = fshift_create_ctx(1.0, 8, NULL);
+		static float data_in[256];
+		for (int i = 0; i < 256; i++)
+			data_in[i] = 1;
+		float data_out[512];
+		fshift_run(ctx, data_in, data_out);
+		fshift_run(ctx, data_in, data_out + 256);
+		fshift_free_ctx(ctx);
+	}
+	FCT_TEST_END();
+*/
+	FCT_TEST_BGN(sin)
+	{
+		fshift_ctx_t ctx = fshift_create_ctx(1.0, 11);
+		float data_in[4096];
+		create_sin(data_in, 4096);
+		float data_out1[4096];
+		float data_out2[4096];
+		fshift_run(ctx, data_in, data_out1, data_out2);
+		fshift_run(ctx, data_in + 2048, data_out1, data_out2);
+		fshift_run(ctx, data_in, data_out1 + 2048, data_out2 + 2048);
+		for (int i = 0; i < 2048; i++) {
+			fprintf(stderr, "%d <> %f = %f     %f\n", i, data_in[i], data_out1[i], data_out2[i]);
+		}
+		fshift_free_ctx(ctx);
+
+	}
+	FCT_TEST_END();
+}
+FCT_SUITE_END();
+}
+FCT_END();