From d46058d75c723402d7d135ff309afe4f00deca0c Mon Sep 17 00:00:00 2001
From: Josh Blum <josh@joshknows.com>
Date: Mon, 31 Jan 2011 15:25:13 -0800
Subject: uhd: simplify the mach time usage based on example from web

---
 host/lib/types/time_spec.cpp | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

(limited to 'host/lib/types')

diff --git a/host/lib/types/time_spec.cpp b/host/lib/types/time_spec.cpp
index 312c161cb..ece3b92f3 100644
--- a/host/lib/types/time_spec.cpp
+++ b/host/lib/types/time_spec.cpp
@@ -47,13 +47,10 @@ time_spec_t time_spec_t::get_system_time(void){
 
 #ifdef TIME_SPEC_USE_MACH_ABSOLUTE_TIME
 #include <mach/mach_time.h>
-static intmax_t get_freq(void){
-    mach_timebase_info_data_t info; mach_timebase_info(&info);
-    return intmax_t(1e9*(double(info.denom)/double(info.numer)));
-}
 time_spec_t time_spec_t::get_system_time(void){
-    static const intmax_t freq = get_freq();
-    return time_spec_t_from_counts(mach_absolute_time(), freq);
+    mach_timebase_info_data_t info; mach_timebase_info(&info);
+    intmax_t nanosecs = mach_absolute_time()*info.numer/info.denom;
+    return time_spec_t_from_counts(nanosecs, intmax_t(1e9));
 }
 #endif /* TIME_SPEC_USE_MACH_ABSOLUTE_TIME */
 
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