diff options
Diffstat (limited to 'src/classifiers/winnow.c')
| -rw-r--r-- | src/classifiers/winnow.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/src/classifiers/winnow.c b/src/classifiers/winnow.c index f8c104a52..c86782d85 100644 --- a/src/classifiers/winnow.c +++ b/src/classifiers/winnow.c @@ -267,9 +267,15 @@ winnow_classify (struct classifier_ctx *ctx, statfile_pool_t * pool, GTree * inp #ifdef WITH_LUA max = call_classifier_post_callbacks (ctx->cfg, task, max); #endif - if (st->normalizer != NULL) { - max = st->normalizer (task->cfg, max, st->normalizer_data); - } +#ifdef HAVE_TANHL + max = tanhl (max); +#else + /* + * As some implementations of libm does not support tanhl, try to use + * tanh + */ + max = tanh ((double) score); +#endif sumbuf = memory_pool_alloc (task->task_pool, 32); rspamd_snprintf (sumbuf, 32, "%.2F", max); cur = g_list_prepend (NULL, sumbuf); @@ -557,7 +563,15 @@ winnow_learn (struct classifier_ctx *ctx, statfile_pool_t *pool, const char *sym end: if (sum) { - *sum = (double)max; +#ifdef HAVE_TANHL + *sum = (double)tanhl (max); +#else + /* + * As some implementations of libm does not support tanhl, try to use + * tanh + */ + *sum = tanh ((double) score); +#endif } return TRUE; } |