| 82 | } |
| 83 | |
| 84 | inline void read_magic( |
| 85 | std::istream& istream, unsigned char& v_major, unsigned char& v_minor) { |
| 86 | char buf[magic_string_length + 2]; |
| 87 | istream.read(buf, magic_string_length + 2); |
| 88 | |
| 89 | if (!istream) { |
| 90 | fprintf(stderr, "io error: failed reading file"); |
| 91 | } |
| 92 | |
| 93 | if (0 != std::memcmp(buf, magic_string, magic_string_length)) { |
| 94 | fprintf(stderr, "this file does not have a valid npy format."); |
| 95 | } |
| 96 | |
| 97 | v_major = buf[magic_string_length]; |
| 98 | v_minor = buf[magic_string_length + 1]; |
| 99 | } |
| 100 | |
| 101 | // typestring magic |
| 102 | struct Typestring { |