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Update npy alignment to 64bit following numpy v1.14 #40

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Update npy alignment to 64bit following numpy v1.14 #40

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10 changes: 6 additions & 4 deletions cnpy.h
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Original file line number Diff line number Diff line change
Expand Up @@ -247,10 +247,12 @@ namespace cnpy {
}
if(shape.size() == 1) dict += ",";
dict += "), }";
//pad with spaces so that preamble+dict is modulo 16 bytes. preamble is 10 bytes. dict needs to end with \n
int remainder = 16 - (10 + dict.size()) % 16;
dict.insert(dict.end(),remainder,' ');
dict.back() = '\n';
// pad with spaces so that preamble+dict is modulo 64 bytes. preamble is
// 10 bytes. dict needs to end with \n
int remainder = 64 - (10 + dict.size() + 1) % 64;
dict.insert(dict.end(), remainder, ' ');
dict.push_back('\n');
assert((dict.size() + 10) % 64 == 0);

std::vector<char> header;
header += (char) 0x93;
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