1 files changed, 39 insertions, 0 deletions
diff --git a/extern/libmv/third_party/fast/fast.h b/extern/libmv/third_party/fast/fast.h
new file mode 100644
index 00000000000..06fa90ec98c
--- /dev/null
+++ b/extern/libmv/third_party/fast/fast.h
@@ -0,0 +1,39 @@
+#ifndef FAST_H
+#define FAST_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct { int x, y; } xy; 
+typedef unsigned char byte;
+
+int fast9_corner_score(const byte* p, const int pixel[], int bstart);
+int fast10_corner_score(const byte* p, const int pixel[], int bstart);
+int fast11_corner_score(const byte* p, const int pixel[], int bstart);
+int fast12_corner_score(const byte* p, const int pixel[], int bstart);
+
+xy* fast9_detect(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners);
+xy* fast10_detect(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners);
+xy* fast11_detect(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners);
+xy* fast12_detect(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners);
+
+int* fast9_score(const byte* i, int stride, xy* corners, int num_corners, int b);
+int* fast10_score(const byte* i, int stride, xy* corners, int num_corners, int b);
+int* fast11_score(const byte* i, int stride, xy* corners, int num_corners, int b);
+int* fast12_score(const byte* i, int stride, xy* corners, int num_corners, int b);
+
+
+xy* fast9_detect_nonmax(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners);
+xy* fast10_detect_nonmax(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners);
+xy* fast11_detect_nonmax(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners);
+xy* fast12_detect_nonmax(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners);
+
+xy* nonmax_suppression(const xy* corners, const int* scores, int num_corners, int* ret_num_nonmax);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif