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Cover the test line(s) themselves

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This commit is contained in:
Christopher Kormanyos
2024-02-11 17:35:29 +01:00
parent fd917982df
commit 9aabd9a072
1 changed files with 55 additions and 1 deletions
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56
test/test_gamma_edge.cpp
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@@ -6,8 +6,13 @@
#include <boost/core/lightweight_test.hpp>
#include <boost/multiprecision/cpp_dec_float.hpp>
#include <random>
namespace local
{
std::mt19937 eng(static_cast<typename std::mt19937::result_type>(UINT8_C(42)));
std::uniform_int_distribution<int> dst_one(1, 1);
template<typename NumericType>
auto is_close_fraction(const NumericType& a,
const NumericType& b,
@@ -82,7 +87,7 @@ namespace local
if(!result_tgamma_x_small_is_ok)
{
break;
break; // LCOV_EXCL_LINE
}
}
}
@@ -99,8 +104,32 @@ namespace local
using local_float_type = boost::multiprecision::number<boost::multiprecision::cpp_dec_float<250>, boost::multiprecision::et_off>;
{
const local_float_type my_tol { std::numeric_limits<local_float_type>::epsilon() * 256 };
for(auto index = static_cast<unsigned>(UINT8_C(0)); index < static_cast<unsigned>(UINT8_C(3)); ++index)
{
static_cast<void>(index);
const local_float_type zero_ctrl { 0 };
local_float_type zero { 0 };
zero *= dst_one(eng);
const auto result_zero_is_ok = is_close_fraction(zero, zero_ctrl, my_tol);
BOOST_TEST(result_zero_is_ok);
}
}
for(auto index = static_cast<unsigned>(UINT8_C(0)); index < static_cast<unsigned>(UINT8_C(3)); ++index)
{
static_cast<void>(index);
local_float_type zero { 0 };
zero *= dst_one(eng);
bool domain_error_is_ok { false };
try
@@ -117,9 +146,14 @@ namespace local
BOOST_TEST(domain_error_is_ok);
}
for(auto index = static_cast<unsigned>(UINT8_C(0)); index < static_cast<unsigned>(UINT8_C(3)); ++index)
{
static_cast<void>(index);
local_float_type my_nan = std::numeric_limits<local_float_type>::quiet_NaN();
my_nan *= dst_one(eng);
bool domain_error_is_ok { false };
try
@@ -136,9 +170,14 @@ namespace local
BOOST_TEST(domain_error_is_ok);
}
for(auto index = static_cast<unsigned>(UINT8_C(0)); index < static_cast<unsigned>(UINT8_C(3)); ++index)
{
static_cast<void>(index);
local_float_type my_inf = -std::numeric_limits<local_float_type>::infinity();
my_inf *= dst_one(eng);
bool domain_error_is_ok { false };
try
@@ -202,9 +241,14 @@ namespace local
using local_float_type = boost::multiprecision::number<boost::multiprecision::cpp_dec_float<250>, boost::multiprecision::et_off>;
for(auto index = static_cast<unsigned>(UINT8_C(0)); index < static_cast<unsigned>(UINT8_C(3)); ++index)
{
static_cast<void>(index);
local_float_type zero { 0 };
zero *= dst_one(eng);
bool domain_error_is_ok { false };
try
@@ -221,9 +265,14 @@ namespace local
BOOST_TEST(domain_error_is_ok);
}
for(auto index = static_cast<unsigned>(UINT8_C(0)); index < static_cast<unsigned>(UINT8_C(3)); ++index)
{
static_cast<void>(index);
local_float_type my_nan = std::numeric_limits<local_float_type>::quiet_NaN();
my_nan *= dst_one(eng);
bool domain_error_is_ok { false };
try
@@ -240,9 +289,14 @@ namespace local
BOOST_TEST(domain_error_is_ok);
}
for(auto index = static_cast<unsigned>(UINT8_C(0)); index < static_cast<unsigned>(UINT8_C(3)); ++index)
{
static_cast<void>(index);
local_float_type my_inf = -std::numeric_limits<local_float_type>::infinity();
my_inf *= dst_one(eng);
bool overflow_error_is_ok { false };
try