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Use current time as seed for random generator

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This commit is contained in:
Carles Fernandez 2016-10-02 12:57:01 +02:00
parent 3e716df88b
commit cd0cec131b
1 changed files with 5 additions and 4 deletions
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9
src/tests/system-tests/ttff_gps_l1.cc
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@ -30,9 +30,9 @@
* ------------------------------------------------------------------------- * -------------------------------------------------------------------------
*/ */
#include <ctime>
#include <chrono> #include <chrono>
#include <cstdlib> #include <cstdlib>
#include <ctime>
#include <numeric> #include <numeric>
#include <string> #include <string>
#include <sys/types.h> #include <sys/types.h>
@ -42,11 +42,11 @@
#include <gflags/gflags.h> #include <gflags/gflags.h>
#include <glog/logging.h> #include <glog/logging.h>
#include <gtest/gtest.h> #include <gtest/gtest.h>
#include "in_memory_configuration.h"
#include "file_configuration.h"
#include "concurrent_queue.h"
#include "concurrent_map.h" #include "concurrent_map.h"
#include "concurrent_queue.h"
#include "control_thread.h" #include "control_thread.h"
#include "file_configuration.h"
#include "in_memory_configuration.h"
#include "gnss_flowgraph.h" #include "gnss_flowgraph.h"
#include "gps_acq_assist.h" #include "gps_acq_assist.h"
@ -343,6 +343,7 @@ TEST_F(TTFF_GPS_L1_CA_Test, ColdStart)
std::cout << "Just finished measurement " << num_measurements << ", which took " << ttff << " seconds." << std::endl; std::cout << "Just finished measurement " << num_measurements << ", which took " << ttff << " seconds." << std::endl;
if(n < FLAGS_num_measurements - 1) if(n < FLAGS_num_measurements - 1)
{ {
std::srand(std::time(0)); // use current time as seed for random generator
int random_variable = std::rand(); int random_variable = std::rand();
float random_variable_0_1 = static_cast<float>(random_variable) / static_cast<float>( RAND_MAX ); float random_variable_0_1 = static_cast<float>(random_variable) / static_cast<float>( RAND_MAX );
int random_delay_s = static_cast<int>(random_variable_0_1 * 25.0); int random_delay_s = static_cast<int>(random_variable_0_1 * 25.0);