From 6964422cf426164b39abdc66f260be4f582309e0 Mon Sep 17 00:00:00 2001
From: Paul Sokolovsky <pfalcon@users.sourceforge.net>
Date: Sun, 2 Feb 2014 08:56:20 +0200
Subject: [PATCH] unix time.clock(): Actually return float value.
---
unix/time.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/unix/time.c b/unix/time.c
index acea69178..9d8cf497c 100644
--- a/unix/time.c
+++ b/unix/time.c
@@ -14,7 +14,12 @@ static MP_DEFINE_CONST_FUN_OBJ_0(mod_time_time_obj, mod_time_time);
// Note: this is deprecated since CPy3.3, but pystone still uses it.
static mp_obj_t mod_time_clock() {
- return mp_obj_new_int((machine_int_t)clock());
+// return mp_obj_new_int((machine_int_t)clock());
+ // POSIX requires CLOCKS_PER_SEC equals 1000000, so that's what we assume
+ // float cannot represent full range of int32 precisely, so we pre-divide
+ // int to reduce resolution, and then actually do float division hoping
+ // to preserve integer part resolution.
+ return mp_obj_new_float((float)(clock() / 1000) / 1000.0);
}
static MP_DEFINE_CONST_FUN_OBJ_0(mod_time_clock_obj, mod_time_clock);
--
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