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-rw-r--r--utils/Utils.cpp37
1 files changed, 37 insertions, 0 deletions
diff --git a/utils/Utils.cpp b/utils/Utils.cpp
index 5316690a3d..b99afb441c 100644
--- a/utils/Utils.cpp
+++ b/utils/Utils.cpp
@@ -167,5 +167,42 @@ std::tuple<unsigned int, unsigned int, int> parse_ppm_header(std::ifstream &fs)
return std::make_tuple(width, height, max_val);
}
+
+std::tuple<std::vector<unsigned long>, bool, std::string> parse_npy_header(std::ifstream &fs) //NOLINT
+{
+ std::vector<unsigned long> shape; // NOLINT
+
+ // Check magic bytes and version number
+ unsigned char v_major = 0;
+ unsigned char v_minor = 0;
+ npy::read_magic(fs, &v_major, &v_minor);
+
+ // Read header
+ std::string header;
+ if(v_major == 1 && v_minor == 0)
+ {
+ header = npy::read_header_1_0(fs);
+ }
+ else if(v_major == 2 && v_minor == 0)
+ {
+ header = npy::read_header_2_0(fs);
+ }
+ else
+ {
+ ARM_COMPUTE_ERROR("Unsupported file format version");
+ }
+
+ // Parse header
+ bool fortran_order = false;
+ std::string typestr;
+ npy::ParseHeader(header, typestr, &fortran_order, shape);
+
+ if(!fortran_order)
+ {
+ std::reverse(shape.begin(), shape.end());
+ }
+
+ return std::make_tuple(shape, fortran_order, typestr);
+}
} // namespace utils
} // namespace arm_compute