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iceman1001 2021-02-23 23:04:47 +01:00
commit 59cd54e178
1 changed files with 6 additions and 2 deletions
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8
client/src/cmdhfmfhard.c
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@ -660,10 +660,14 @@ static double p_hypergeometric(uint16_t i_K, uint16_t n, uint16_t k) {
if (n - k == N - K) { // special case. The published recursion below would fail with a divide by zero exception if (n - k == N - K) { // special case. The published recursion below would fail with a divide by zero exception
double log_result = 0.0; double log_result = 0.0;
for (int16_t i = k + 1; i <= n; i++) { for (int16_t i = k + 1; i <= n; i++) {
log_result += log(i); if (i) {
log_result += log(i);
}
} }
for (int16_t i = K + 1; i <= N; i++) { for (int16_t i = K + 1; i <= N; i++) {
log_result -= log(i); if (i) {
log_result -= log(i);
}
} }
return exp(log_result); return exp(log_result);
} else { // recursion } else { // recursion