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Fix for compilers using C++11: the std::plus template without class T specified is only available since C++14

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This commit is contained in:
Carles Fernandez 2020-06-29 12:32:35 +02:00
parent 3bc8595dfe
commit f8656ca9d8
5 changed files with 33 additions and 6 deletions
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11
CMakeLists.txt
View File

@ -460,6 +460,17 @@ else()
endif()
endif()
# Availability of std::plus without class specifier
if(CMAKE_CXX_STANDARD VERSION_GREATER 11)
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 5.4.0)
set(HAVE_STD_PLUS ON)
endif()
else()
set(HAVE_STD_PLUS ON)
endif()
endif()
################################################################################

4
src/tests/CMakeLists.txt
View File

@ -238,6 +238,10 @@ if(ARMADILLO_VERSION_STRING VERSION_GREATER 8.400)
add_definitions(-DARMADILLO_HAVE_MVNRND=1)
endif()
if(HAVE_STD_PLUS)
add_definitions(-DCOMPILER_HAS_STD_PLUS=1)
endif()
find_package(Gnuplot)
if(GNUPLOT_FOUND)
add_definitions(-DGNUPLOT_EXECUTABLE="${GNUPLOT_EXECUTABLE}")

7
src/tests/benchmarks/CMakeLists.txt
View File

@ -103,5 +103,10 @@ macro(add_benchmark)
endmacro()
add_benchmark(benchmark_copy)
add_benchmark(benchmark_detector core_system_parameters)
add_benchmark(benchmark_preamble core_system_parameters)
add_benchmark(benchmark_detector core_system_parameters)
if(HAVE_STD_PLUS)
target_compile_definitions(benchmark_detector PRIVATE -DCOMPILER_HAS_STD_PLUS=1)
endif()

6
src/tests/benchmarks/benchmark_detector.cc
View File

@ -83,7 +83,7 @@ void bm_accumulate(benchmark::State& state)
}
}
#if COMPILER_HAS_STD_PLUS
void bm_inner_product(benchmark::State& state)
{
std::vector<float> d_symbol_history(GPS_CA_PREAMBLE_LENGTH_SYMBOLS, 0.0);
@ -108,9 +108,11 @@ void bm_inner_product(benchmark::State& state)
[&](float a, float b) { return (std::signbit(a) ? -b : b); });
}
}
#endif
BENCHMARK(bm_forloop);
BENCHMARK(bm_accumulate);
#if COMPILER_HAS_STD_PLUS
BENCHMARK(bm_inner_product);
#endif
BENCHMARK_MAIN();

11
src/tests/unit-tests/arithmetic/preamble_correlator_test.cc
View File

@ -84,6 +84,7 @@ TEST(PreambleCorrelationTest, TestMethods)
}
end2 = std::chrono::system_clock::now();
#if COMPILER_HAS_STD_PLUS
// Compute correlation, method 3
start3 = std::chrono::system_clock::now();
for (int64_t iter = 0; iter < n_iter; iter++)
@ -97,16 +98,20 @@ TEST(PreambleCorrelationTest, TestMethods)
sum_corr3 += corr_value3;
}
end3 = std::chrono::system_clock::now();
EXPECT_EQ(corr_value, corr_value2);
std::chrono::duration<double> elapsed_seconds3 = end3 - start3;
EXPECT_EQ(corr_value, corr_value3);
EXPECT_EQ(sum_corr1, sum_corr2);
EXPECT_EQ(sum_corr1, sum_corr3);
#endif
EXPECT_EQ(corr_value, corr_value2);
EXPECT_EQ(sum_corr1, sum_corr2);
std::chrono::duration<double> elapsed_seconds = end - start;
std::chrono::duration<double> elapsed_seconds2 = end2 - start2;
std::chrono::duration<double> elapsed_seconds3 = end3 - start3;
std::cout << "Correlation computed with 'C for' : done in " << elapsed_seconds.count() * 1.0e9 / n_iter << " nanoseconds" << std::endl;
std::cout << "Correlation computed with accumulate : done in " << elapsed_seconds2.count() * 1.0e9 / n_iter << " nanoseconds" << std::endl;
#if COMPILER_HAS_STD_PLUS
std::cout << "Correlation computed with inner_product : done in " << elapsed_seconds3.count() * 1.0e9 / n_iter << " nanoseconds" << std::endl;
#endif
}