Function TEST

tests/power.cpp:4–18

#include <fpm/math.hpp>

TEST(power, exp)
{
    // For several values, verify that fpm::exp is close to std::exp.
    using P = fpm::fixed<std::int32_t, std::int64_t, 12>;

    // Maximum relative error (percentage) we allow
    constexpr auto MAX_ERROR_PERC = 0.02;

    for (double value = -5; value <= 5; value += 0.1)
    {
        auto exp_real = std::exp(value);
        auto exp_fixed = static_cast<double>(exp(P(value)));
        EXPECT_TRUE(HasMaximumError(exp_fixed, exp_real, MAX_ERROR_PERC));
    }
}

TEST(power, exp2)
{