I/O operations refactoring.

3 files changed, 0 insertions, 78 deletions

diff --git a/test/nxt_exp_approximation.c b/test/nxt_exp_approximation.c
deleted file mode 100644
index 1f79c068..00000000
--- a/test/nxt_exp_approximation.c
+++ /dev/null
@@ -1,72 +0,0 @@
-
-/*
- * Copyright (C) Igor Sysoev
- * Copyright (C) NGINX, Inc.
- */
-
-#include <nxt_main.h>
-#include <math.h>
-
-
-nxt_int_t
-nxt_exp_approximation(nxt_thread_t *thr)
-{
-    double      n, e0, e1, diff;
-    nxt_nsec_t  start, end;
-
-    nxt_thread_time_update(thr);
-    nxt_log_error(NXT_LOG_NOTICE, thr->log,
-                  "exp approximation unit test started");
-
-    for (n = 0.0; n > -20.0; n -= 0.00001) {
-
-        e0 = nxt_event_conn_exponential_approximation(n);
-        e1 = exp(n);
-
-        diff = fabs(e0 - e1);
-
-        /* 0.028993 is max difference with libm exp(). */
-        if (diff > 0.028993) {
-            nxt_log_alert(thr->log,
-                          "exp approximation unit test failed: %0.6f %0.6f",
-                          n, diff);
-            return NXT_ERROR;
-        }
-    }
-
-
-    nxt_thread_time_update(thr);
-    start = nxt_thread_monotonic_time(thr);
-
-    e0 = 0;
-    for (n = 0.0; n > -20.0; n -= 0.00001) {
-        e0 += nxt_event_conn_exponential_approximation(n);
-    }
-
-    nxt_thread_time_update(thr);
-    end = nxt_thread_monotonic_time(thr);
-
-    /* e0 is passed but not output to eliminate optimization. */
-    nxt_log_error(NXT_LOG_NOTICE, thr->log, "exp approximation: %0.1fns",
-                  (end - start) / 20000000.0, e0);
-
-
-    nxt_thread_time_update(thr);
-    start = nxt_thread_monotonic_time(thr);
-
-    e0 = 0;
-    for (n = 0.0; n > -20.0; n -= 0.000001) {
-        e0 += exp(n);
-    }
-
-    nxt_thread_time_update(thr);
-    end = nxt_thread_monotonic_time(thr);
-
-    /* e0 is passed but not output to eliminate optimization. */
-    nxt_log_error(NXT_LOG_NOTICE, thr->log, "libm exp(): %0.1fns",
-                  (end - start) / 20000000.0, e0);
-
-    nxt_log_error(NXT_LOG_NOTICE, thr->log,
-                  "exp approximation unit test passed");
-    return NXT_OK;
-}
diff --git a/test/nxt_lib_unit_test.c b/test/nxt_lib_unit_test.c
index 28397187..876416e5 100644
--- a/test/nxt_lib_unit_test.c
+++ b/test/nxt_lib_unit_test.c
@@ -77,10 +77,6 @@ main(int argc, char **argv)
         return 1;
     }
 
-    if (nxt_exp_approximation(thr) != NXT_OK) {
-        return 1;
-    }
-
     if (nxt_rbtree_unit_test(thr, 100 * 1000) != NXT_OK) {
         return 1;
     }
diff --git a/test/nxt_lib_unit_test.h b/test/nxt_lib_unit_test.h
index bbb2d5f4..a6a24855 100644
--- a/test/nxt_lib_unit_test.h
+++ b/test/nxt_lib_unit_test.h
@@ -38,8 +38,6 @@ nxt_rdtsc(void)
 
 nxt_int_t nxt_term_parse_unit_test(nxt_thread_t *thr);
 nxt_int_t nxt_msec_diff_unit_test(nxt_thread_t *thr, nxt_msec_less_t);
-nxt_int_t nxt_exp_approximation(nxt_thread_t *thr);
-double nxt_event_conn_exponential_approximation(double n);
 
 nxt_int_t nxt_rbtree_unit_test(nxt_thread_t *thr, nxt_uint_t n);
 nxt_int_t nxt_rbtree1_unit_test(nxt_thread_t *thr, nxt_uint_t n);