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Added a longest sequence finder

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This commit is contained in:
Bill Cox
2014-10-20 14:48:23 -04:00
parent 6113e1dd29
commit 514f7355b6
3 changed files with 20 additions and 15 deletions
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18
software/healthcheck.c
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@@ -108,7 +108,7 @@ bool inmHealthCheckStart(uint8_t N, double K) {
// zeros and ones. Check for this, and scale the stats if needed.
static void scaleStats(void) {
uint32_t i;
printf("Scaling stats...\n");
//printf("Scaling stats...\n");
for(i = 0; i < (1 << inmN); i++) {
inmZerosEven[i] >>= 1;
inmOnesEven[i] >>= 1;
@@ -129,11 +129,13 @@ static void scaleEntropy(void) {
bool inmHealthCheckAddBit(bool bit, bool even) {
inmTotalBits++;
if((inmTotalBits & 0xfffff) == 0) {
printf("Generated %lu bots. Estimated entropy per bit: %f, estimated K: %f\n",
inmTotalBits, inmHealthCheckEstimateEntropyPerBit(), inmHealthCheckEstimateK());
//printf("Generated %lu bits. Estimated entropy per bit: %f, estimated K: %f\n",
//inmTotalBits, inmHealthCheckEstimateEntropyPerBit(), inmHealthCheckEstimateK());
/*
if(inmTotalBits > 3000000) {
exit(0);
}
*/
}
inmPrevBits = (inmPrevBits << 1) & ((1 << inmN)-1);
if(inmPrevBit) {
@@ -145,15 +147,15 @@ bool inmHealthCheckAddBit(bool bit, bool even) {
inmNumSequentialOnes++;
inmNumSequentialZeros = 0;
if(inmNumSequentialOnes > INM_MAX_SEQUENCE) {
printf("Maximum sequence of %d 1's exceeded\n", INM_MAX_SEQUENCE);
//exit(1);
fprintf(stderr, "Maximum sequence of %d 1's exceeded\n", INM_MAX_SEQUENCE);
exit(1);
}
} else {
inmNumSequentialZeros++;
inmNumSequentialOnes = 0;
if(inmNumSequentialZeros > INM_MAX_SEQUENCE) {
printf("Maximum sequence of %d 0's exceeded\n", INM_MAX_SEQUENCE);
//exit(1);
fprintf(stderr, "Maximum sequence of %d 0's exceeded\n", INM_MAX_SEQUENCE);
exit(1);
}
}
}
@@ -230,7 +232,7 @@ double inmHealthCheckEstimateEntropyPerBit(void) {
// Return true if the health checker has enough data to verify proper operation of the INM.
bool inmHealthCheckOkToUseData(void) {
return inmNumBitsSampled >= INM_MIN_DATA;
return inmTotalBits >= INM_MIN_DATA;
}
// Just return the entropy level added so far in bytes;