Commit 6964422c authored by Paul Sokolovsky's avatar Paul Sokolovsky
Browse files

unix time.clock(): Actually return float value.

parent 87e85b7d
......@@ -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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