DeforaNetworks/deepstate
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change the code and input range

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This commit is contained in:
Alex Groce 2018-12-31 15:11:10 -07:00
parent cd7f6daaf9
commit ec31d0b799
1 changed files with 17 additions and 34 deletions
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51
examples/Runlen.cpp
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@ -3,48 +3,31 @@
using namespace deepstate;
char* encode(const char* input) {
unsigned int l = strlen(input);
char* encoded = (char*)malloc((l*2)+1);
if (l == 0) {
encoded[0] = '\0';
return encoded;
}
unsigned char last = input[0];
unsigned char current = input[0];
int count = 1;
char* encoded = (char*)malloc((strlen(input)*2)+1);
int pos = 0;
for (int i = 1; i < l; i++) {
current = input[i];
if ((current == last) && (count < 26)) {
count++;
} else {
encoded[pos++] = last;
encoded[pos++] = 64 + count;
last = current;
count = 1;
if (strlen(input) > 0) {
unsigned char last = input[0]; int count = 1;
for (int i = 1; i < strlen(input); i++) {
if (((unsigned char)input[i] == last) && (count < 26))
count++;
else {
encoded[pos++] = last; encoded[pos++] = 64 + count;
last = (unsigned char)input[i]; count = 1;
}
}
encoded[pos++] = last; encoded[pos++] = 65;
}
encoded[pos++] = last;
encoded[pos++] = 65;
encoded[pos] = '\0';
return encoded;
}
char* decode(const char* output) {
unsigned int l = strlen(output);
char* decoded = (char*)malloc(((l/2)*26)+1);
if (l == 0) {
decoded[0] = '\0';
return decoded;
}
char* decoded = (char*)malloc(((strlen(output))/2)*26);
int pos = 0;
unsigned char current;
for (int i = 0; i < l; i++) {
current = output[i++];
unsigned int count = output[i] - 64;
for (int j = 0; j < count; j++) {
decoded[pos++] = current;
}
if (strlen(output) > 0) {
for (int i = 0; i < strlen(output); i += 2)
for (int j = 0; j < (output[i+1] - 64); j++)
decoded[pos++] = output[i];
}
decoded[pos] = '\0';
return decoded;
@ -53,7 +36,7 @@ char* decode(const char* output) {
#define MAX_STR_LEN 10
TEST(Runlength, EncodeDecode) {
char* original = DeepState_CStrUpToLen(MAX_STR_LEN, "abcde");
char* original = DeepState_CStrUpToLen(MAX_STR_LEN, "ab");
LOG(TRACE) << "original = `" << original << "`";
char* encoded = encode(original);
char* roundtrip = decode(encoded);