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Improve df arithmetic tests and limits

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This commit is contained in:
Christopher Kormanyos
2021-08-05 13:00:05 +02:00
parent 1700642ee9
commit e27ccc829c
2 changed files with 76 additions and 26 deletions
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9
test/test_cpp_double_float_arithmetic.cpp
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@@ -152,12 +152,15 @@ namespace local
// and base these on the actual range of the exponent10 member of limits.
// The use of the digits member here is a strange workaround that
// still needs to be investigated on GCC's 10-bit x86 long double.
using local_exp10_float_type =
typename std::conditional<std::is_same<long double, float_type>::value, double, float_type>::type;
static std::uniform_int_distribution<unsigned>
dist_exp
(
0,
((std::numeric_limits<float_type>::digits10 < 10) ? 13
: ((std::numeric_limits<float_type>::digits10 < 20) ? 85 : 1035))
(unsigned) ( float( std::numeric_limits<local_exp10_float_type>::max_exponent10)
* float((std::numeric_limits<local_exp10_float_type>::max_exponent10 < 100) ? 0.3F : 0.4F))
);
std::string str_exp = ((exp_is_neg == false) ? "E+" : "E-");
@@ -373,7 +376,7 @@ int main()
#if defined(CPP_DOUBLE_FLOAT_REDUCE_TEST_DEPTH)
constexpr unsigned int test_cases_built_in = 5000U;
#else
constexpr unsigned int test_cases_built_in = 100000U;
constexpr unsigned int test_cases_built_in = 2ULL << 16U;
#endif
#if defined(CPP_DOUBLE_FLOAT_REDUCE_TEST_DEPTH)