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restored short and long codes

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This commit is contained in:
Ahmet Inan 2025-07-18 09:38:57 +02:00
commit 3765da54ff
5 changed files with 25 additions and 1 deletions
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2
common.hh
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@ -13,7 +13,7 @@ Copyright 2025 Ahmet Inan <inan@aicodix.de>
struct Common
{
static const int mod_max = 8;
static const int code_max = 15;
static const int code_max = 16;
static const int bits_max = 1 << code_max;
static const int data_max = 2048;
static const int symbols_max = 22 + 1;

10
decode.cc
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@ -147,6 +147,11 @@ struct Decoder : Common
dest[0] = src[0];
for (int i = 1; i < 256; ++i)
dest[seq()] = src[i];
} else if (order == 11) {
CODE::XorShiftMask<int, 11, 1, 3, 4, 1> seq;
dest[0] = src[0];
for (int i = 1; i < 2048; ++i)
dest[seq()] = src[i];
} else if (order == 12) {
CODE::XorShiftMask<int, 12, 1, 1, 4, 1> seq;
dest[0] = src[0];
@ -167,6 +172,11 @@ struct Decoder : Common
dest[0] = src[0];
for (int i = 1; i < 32768; ++i)
dest[seq()] = src[i];
} else if (order == 16) {
CODE::XorShiftMask<int, 16, 1, 1, 14, 1> seq;
dest[0] = src[0];
for (int i = 1; i < 65536; ++i)
dest[seq()] = src[i];
}
}
const cmplx *next_sample()

10
encode.cc
View file

@ -226,6 +226,11 @@ struct Encoder : public Common
dest[0] = src[0];
for (int i = 1; i < 256; ++i)
dest[i] = src[seq()];
} else if (order == 11) {
CODE::XorShiftMask<int, 11, 1, 3, 4, 1> seq;
dest[0] = src[0];
for (int i = 1; i < 2048; ++i)
dest[i] = src[seq()];
} else if (order == 12) {
CODE::XorShiftMask<int, 12, 1, 1, 4, 1> seq;
dest[0] = src[0];
@ -246,6 +251,11 @@ struct Encoder : public Common
dest[0] = src[0];
for (int i = 1; i < 32768; ++i)
dest[i] = src[seq()];
} else if (order == 16) {
CODE::XorShiftMask<int, 16, 1, 1, 14, 1> seq;
dest[0] = src[0];
for (int i = 1; i < 65536; ++i)
dest[i] = src[seq()];
}
}
void guard_interval_weights()

2
freezer.cc
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@ -27,10 +27,12 @@ void code(int N, int K, double P)
int main()
{
code<16>(65536, 32768+32, 0.42);
code<15>(32768, 16384+32, 0.40);
code<14>(16384, 8192+32, 0.39);
code<13>(8192, 4096+32, 0.38);
code<12>(4096, 2048+32, 0.37);
code<11>(2048, 1024+32, 0.34);
code<8>(256, 47+8+16, 0.5);
return 0;
}

2
polar_tables.hh
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