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authorDaniil Cherednik <dan.cherednik@gmail.com>2018-11-24 22:01:41 +0300
committerDaniil Cherednik <dan.cherednik@gmail.com>2018-11-29 00:23:01 +0300
commit4275785ac40b12584277e2fb7b31ef6ec1fceed8 (patch)
treefe339da88ac04d28c377af4ccdb6d91e4e45dfb2 /test/dtmf.c
parent5b176978c464b4d60ccd8b4d576eb31e3039f9a8 (diff)
downloadlibgha-4275785ac40b12584277e2fb7b31ef6ec1fceed8.tar.gz
Initiall implementation of multi dimentional Newton optimization
Diffstat (limited to 'test/dtmf.c')
-rw-r--r--test/dtmf.c31
1 files changed, 29 insertions, 2 deletions
diff --git a/test/dtmf.c b/test/dtmf.c
index a2146be..ae73a6b 100644
--- a/test/dtmf.c
+++ b/test/dtmf.c
@@ -12,6 +12,17 @@ void usage(const char* selfname) {
fprintf(stderr, "EXPECTED_MAGNITUDE_(LOW|HIGH) - expected magnitude (0 - 1)\n");
}
+static void calc_resuidal(float* resuidal, size_t size, void* user_ctx)
+{
+ int i;
+ double s = 0.0;
+ float* result = (float*)user_ctx;
+ for (i = 0; i < size; i++) {
+ s += resuidal[i] * resuidal[i];
+ }
+ *result = sqrt(s / size);
+}
+
int main(int argc, char** argv) {
if (argc != 4 && argc != 8) {
usage(argv[0]);
@@ -23,7 +34,8 @@ int main(int argc, char** argv) {
gha_ctx_t ctx;
float* buf = malloc(len * sizeof(float));
- if (!buf)
+ float* buf2 = malloc(len * sizeof(float));
+ if (!buf || !buf2)
abort();
if (load_file(argv[1], len, atoi(argv[2]), 8, buf)) {
@@ -32,8 +44,12 @@ int main(int argc, char** argv) {
return 1;
}
-
+ //Make copy of data to adjust extracted params
+ memcpy(buf2, buf, sizeof(float) * len);
ctx = gha_create_ctx(len);
+
+ float resuidal;
+ gha_set_user_resuidal_cb(&calc_resuidal, &resuidal, ctx);
if (!ctx) {
fprintf(stderr, "Unable to create gha ctx\n");
free(buf);
@@ -43,6 +59,8 @@ int main(int argc, char** argv) {
struct gha_info res[2];
gha_extract_many_simple(buf, &res[0], 2, ctx);
+ float resuidal_1 = resuidal;
+
if (res[0].frequency > res[1].frequency) {
struct gha_info tmp;
memcpy(&tmp, &res[0], sizeof(struct gha_info));
@@ -50,6 +68,14 @@ int main(int argc, char** argv) {
memcpy(&res[1], &tmp, sizeof(struct gha_info));
}
+ gha_adjust_info(buf2, res, 2, ctx);
+
+ if (resuidal > resuidal_1) {
+ fprintf(stderr, "gha_adjust_info wrong result\n");
+ return 1;
+ }
+
+
gha_free_ctx(ctx);
free(buf);
@@ -69,5 +95,6 @@ int main(int argc, char** argv) {
} else {
fprintf(stderr, "dtmf result: low freq: %f, magn: %f, high freq: %f, magn: %f\n",
res[0].frequency, res[0].magnitude, res[1].frequency, res[1].magnitude);
+ return 0;
}
}