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Avoid unnecessary copies of string

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Avoid C-style castings
This commit is contained in:
Carles Fernandez 2021-12-06 20:58:33 +01:00
parent da9d0122d7
commit a9538c81f3
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GPG Key ID: 4C583C52B0C3877D
1 changed files with 13 additions and 9 deletions
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22
src/algorithms/signal_source/libs/gnss_sdr_timestamp.cc
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@ -17,7 +17,6 @@
#include "gnss_sdr_timestamp.h"
#include "command_event.h"
#include <glog/logging.h> // for LOG
#include <gnuradio/io_signature.h> // for io_signature
#include <pmt/pmt.h> // for make_any
#include <pmt/pmt_sugar.h> // for mp
@ -25,13 +24,16 @@
#include <cmath>
#include <cstring> // for memcpy
#include <memory>
#include <utility>
Gnss_Sdr_Timestamp::Gnss_Sdr_Timestamp(size_t sizeof_stream_item,
std::string timestamp_file, double clock_offset_ms) : gr::sync_block("Timestamp",
gr::io_signature::make(1, 20, sizeof_stream_item),
gr::io_signature::make(1, 20, sizeof_stream_item)),
d_timefile(timestamp_file),
d_clock_offset_ms(clock_offset_ms)
std::string timestamp_file, double clock_offset_ms)
: gr::sync_block("Timestamp",
gr::io_signature::make(1, 20, sizeof_stream_item),
gr::io_signature::make(1, 20, sizeof_stream_item)),
d_timefile(std::move(timestamp_file)),
d_clock_offset_ms(clock_offset_ms)
{
d_fraction_ms_offset = modf(d_clock_offset_ms, &d_integer_ms_offset); // optional clockoffset parameter to convert UTC timestamps to GPS time in some receiver's configuration
get_next_timetag = true;
@ -41,10 +43,11 @@ Gnss_Sdr_Timestamp::Gnss_Sdr_Timestamp(size_t sizeof_stream_item,
gnss_shared_ptr<Gnss_Sdr_Timestamp> gnss_sdr_make_Timestamp(size_t sizeof_stream_item, std::string timestamp_file, double clock_offset_ms)
{
gnss_shared_ptr<Gnss_Sdr_Timestamp> Timestamp_(new Gnss_Sdr_Timestamp(sizeof_stream_item, timestamp_file, clock_offset_ms));
gnss_shared_ptr<Gnss_Sdr_Timestamp> Timestamp_(new Gnss_Sdr_Timestamp(sizeof_stream_item, std::move(timestamp_file), clock_offset_ms));
return Timestamp_;
}
bool Gnss_Sdr_Timestamp::read_next_timetag()
{
d_timefilestream.read(reinterpret_cast<char*>(&next_timetag_samplecount), sizeof(uint64_t));
@ -65,6 +68,7 @@ bool Gnss_Sdr_Timestamp::read_next_timetag()
return true;
}
bool Gnss_Sdr_Timestamp::start()
{
d_timefilestream.open(d_timefile, std::ios::in | std::ios::binary);
@ -80,11 +84,12 @@ bool Gnss_Sdr_Timestamp::start()
}
}
int64_t Gnss_Sdr_Timestamp::uint64diff(uint64_t first, uint64_t second)
{
uint64_t abs_diff = (first > second) ? (first - second) : (second - first);
assert(abs_diff <= INT64_MAX);
return (first > second) ? (int64_t)abs_diff : -(int64_t)abs_diff;
return (first > second) ? static_cast<int64_t>(abs_diff) : -static_cast<int64_t>(abs_diff);
}
@ -121,6 +126,5 @@ int Gnss_Sdr_Timestamp::work(int noutput_items,
}
}
return noutput_items;
}