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#include <benchmark/benchmark.h>
#include <fpm/fixed.hpp>
#include <cnl/fixed_point.h>
#include <fixmath.h>
#define BENCHMARK_TEMPLATE1_CAPTURE(func, test_case_name, a, ...) \
BENCHMARK_PRIVATE_DECLARE(func) = \
(::benchmark::internal::RegisterBenchmarkInternal( \
new ::benchmark::internal::FunctionBenchmark( \
#func "<" #a ">/" #test_case_name, \
[](::benchmark::State& st) { func<a>(st, __VA_ARGS__); })))
// Constants for our arithmetic operands.
// Stored as volatile to force the compiler to read them and
// not optimize the entire expression into a constant.
static volatile int16_t s_x = 1543;
static volatile int16_t s_y = 2552;
template <typename TValue>
static void arithmetic(benchmark::State& state, TValue (*func)(TValue, TValue))
{
for (auto _ : state)
{
TValue x{ static_cast<TValue>(static_cast<int16_t>(s_x)) }, y{ static_cast<TValue>(static_cast<int16_t>(s_y)) };
benchmark::DoNotOptimize(func(x, y));
}
}
#define FUNC(TYPE, OP) \
[](TYPE x, TYPE y) -> TYPE { return x OP y; }
using CnlFixed16 = cnl::fixed_point<std::int32_t, -16>;
BENCHMARK_TEMPLATE1_CAPTURE(arithmetic, add, float, FUNC(float, +));
BENCHMARK_TEMPLATE1_CAPTURE(arithmetic, sub, float, FUNC(float, -));
BENCHMARK_TEMPLATE1_CAPTURE(arithmetic, mul, float, FUNC(float, *));
BENCHMARK_TEMPLATE1_CAPTURE(arithmetic, div, float, FUNC(float, /));
BENCHMARK_TEMPLATE1_CAPTURE(arithmetic, add, double, FUNC(double, +));
BENCHMARK_TEMPLATE1_CAPTURE(arithmetic, sub, double, FUNC(double, -));
BENCHMARK_TEMPLATE1_CAPTURE(arithmetic, mul, double, FUNC(double, *));
BENCHMARK_TEMPLATE1_CAPTURE(arithmetic, div, double, FUNC(double, /));
BENCHMARK_TEMPLATE1_CAPTURE(arithmetic, add, fpm::fixed_16_16, FUNC(fpm::fixed_16_16, +));
BENCHMARK_TEMPLATE1_CAPTURE(arithmetic, sub, fpm::fixed_16_16, FUNC(fpm::fixed_16_16, -));
BENCHMARK_TEMPLATE1_CAPTURE(arithmetic, mul, fpm::fixed_16_16, FUNC(fpm::fixed_16_16, *));
BENCHMARK_TEMPLATE1_CAPTURE(arithmetic, div, fpm::fixed_16_16, FUNC(fpm::fixed_16_16, /));
BENCHMARK_TEMPLATE1_CAPTURE(arithmetic, add, Fix16, FUNC(Fix16, +));
BENCHMARK_TEMPLATE1_CAPTURE(arithmetic, sub, Fix16, FUNC(Fix16, -));
BENCHMARK_TEMPLATE1_CAPTURE(arithmetic, mul, Fix16, FUNC(Fix16, *));
BENCHMARK_TEMPLATE1_CAPTURE(arithmetic, div, Fix16, FUNC(Fix16, /));
BENCHMARK_TEMPLATE1_CAPTURE(arithmetic, add, CnlFixed16, FUNC(CnlFixed16, +));
BENCHMARK_TEMPLATE1_CAPTURE(arithmetic, sub, CnlFixed16, FUNC(CnlFixed16, -));
BENCHMARK_TEMPLATE1_CAPTURE(arithmetic, mul, CnlFixed16, FUNC(CnlFixed16, *));
BENCHMARK_TEMPLATE1_CAPTURE(arithmetic, div, CnlFixed16, FUNC(CnlFixed16, /));
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