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fixed new bitpack size detection

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This commit is contained in:
Phuntsok Drak-pa 2018-06-15 23:08:17 +02:00
parent 79770384c1
commit bae6d01bc8
1 changed files with 6 additions and 2 deletions
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8
src/bitpack.cc
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@ -10,6 +10,10 @@ using vuint16 = vector<uint16_t>;
using vuchar = vector<uchar>; using vuchar = vector<uchar>;
using ustring = std::basic_string<unsigned char>; using ustring = std::basic_string<unsigned char>;
int max(const int t_n) {
return ipow(2, t_n) - 1;
}
/////////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////////
// packing // // packing //
/////////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////////
@ -32,7 +36,7 @@ vuchar pack_n(const vuint16::const_iterator t_input_begin,
if (t_n == 16) { if (t_n == 16) {
return pack_16(t_input_begin, t_input_end); return pack_16(t_input_begin, t_input_end);
} }
const int max_value = ipow(2, t_n) - 1; // max value held within t_n bits const int max_value = max(t_n); // max value held within t_n bits
#ifdef Debug #ifdef Debug
std::printf("%d bits! %ld chars remaining\n", t_n, std::printf("%d bits! %ld chars remaining\n", t_n,
@ -141,7 +145,7 @@ vuint16 unpack_n(const ustring::const_iterator t_begin,
int left_shift = 0; int left_shift = 0;
int right_shift = 0; int right_shift = 0;
vuint16 ret{}; vuint16 ret{};
const int max_value = ipow(2, t_n); const int max_value = max(t_n);
for (auto it = t_begin; it < t_end - 1; /* nope */) { for (auto it = t_begin; it < t_end - 1; /* nope */) {
uint16_t current_char = 0; uint16_t current_char = 0;
// left bits // left bits