1 files changed, 71 insertions, 0 deletions
diff --git a/extern/libmv/third_party/fast/fast.c b/extern/libmv/third_party/fast/fast.c
new file mode 100644
index 00000000000..c675f0af883
--- /dev/null
+++ b/extern/libmv/third_party/fast/fast.c
@@ -0,0 +1,71 @@
+#include <stdlib.h>
+#include "fast.h"
+
+
+xy* fast9_detect_nonmax(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners)
+{
+	xy* corners;
+	int num_corners;
+	int* scores;
+	xy* nonmax;
+
+	corners = fast9_detect(im, xsize, ysize, stride, b, &num_corners);
+	scores = fast9_score(im, stride, corners, num_corners, b);
+	nonmax = nonmax_suppression(corners, scores, num_corners, ret_num_corners);
+
+	free(corners);
+	free(scores);
+
+	return nonmax;
+}
+
+xy* fast10_detect_nonmax(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners)
+{
+	xy* corners;
+	int num_corners;
+	int* scores;
+	xy* nonmax;
+
+	corners = fast10_detect(im, xsize, ysize, stride, b, &num_corners);
+	scores = fast10_score(im, stride, corners, num_corners, b);
+	nonmax = nonmax_suppression(corners, scores, num_corners, ret_num_corners);
+
+	free(corners);
+	free(scores);
+
+	return nonmax;
+}
+
+xy* fast11_detect_nonmax(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners)
+{
+	xy* corners;
+	int num_corners;
+	int* scores;
+	xy* nonmax;
+
+	corners = fast11_detect(im, xsize, ysize, stride, b, &num_corners);
+	scores = fast11_score(im, stride, corners, num_corners, b);
+	nonmax = nonmax_suppression(corners, scores, num_corners, ret_num_corners);
+
+	free(corners);
+	free(scores);
+
+	return nonmax;
+}
+
+xy* fast12_detect_nonmax(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners)
+{
+	xy* corners;
+	int num_corners;
+	int* scores;
+	xy* nonmax;
+
+	corners = fast12_detect(im, xsize, ysize, stride, b, &num_corners);
+	scores = fast12_score(im, stride, corners, num_corners, b);
+	nonmax = nonmax_suppression(corners, scores, num_corners, ret_num_corners);
+
+	free(corners);
+	free(scores);
+
+	return nonmax;
+}