16#ifndef HWY_TESTS_TEST_UTIL_H_
17#define HWY_TESTS_TEST_UTIL_H_
45 const uint64_t s0 =
s1_;
46 const uint64_t bits = s1 + s0;
49 s1 ^= s0 ^ (s1 >> 18) ^ (s0 >> 5);
56 z = (z ^ (z >> 30)) * 0xBF58476D1CE4E5B9ull;
57 z = (z ^ (z >> 27)) * 0x94D049BB133111EBull;
66 return static_cast<uint32_t
>((*rng)());
71template <
class T, HWY_IF_FLOAT_OR_SPECIAL(T)>
73 const uint64_t rand_bits =
Random64(rng);
76 constexpr TU kExponentMask = ExponentMask<T>();
77 constexpr TU kSignMantMask =
static_cast<TU
>(~kExponentMask);
78 constexpr TU kMaxExpField =
static_cast<TU
>(MaxExponentField<T>());
79 constexpr int kNumOfMantBits = MantissaBits<T>();
81 const TU orig_exp_field_val =
82 static_cast<TU
>((rand_bits >> kNumOfMantBits) & kMaxExpField);
84 const TU sign_mant_bits =
static_cast<TU
>(rand_bits & kSignMantMask);
86 static_cast<TU
>(
HWY_MIN(
HWY_MAX(orig_exp_field_val, 1), kMaxExpField - 1)
89 return BitCastScalar<T>(
static_cast<TU
>(sign_mant_bits | exp_bits));
92template <
class T, HWY_IF_NOT_FLOAT_NOR_SPECIAL(T)>
94 using TU = MakeUnsigned<T>;
95 return static_cast<T
>(
Random64(rng) & LimitsMax<TU>());
99 size_t* pos =
nullptr);
102 const char* target_name,
const char* filename,
int line);
106template <
typename T,
typename TU = MakeUn
signed<T>>
109 if (expected == actual)
return 0;
113 if (std::isnan(expected) && std::isnan(actual))
return 0;
127 const void* actual_ptr);
130 const TypeInfo& info,
const void* expected_ptr,
const void* actual_ptr,
131 const char* target_name,
const char* filename,
int line,
size_t lane = 0,
132 size_t num_lanes = 1);
135 const void* expected_void,
136 const void* actual_void,
size_t N,
137 const char* target_name,
138 const char* filename,
int line);
154template <
typename T1,
typename T2>
169 return static_cast<T
>(
static_cast<uint64_t
>(value) &
170 ((uint64_t{1} << (
sizeof(TTo) * 8)) - 1));
180template <
typename TTo,
typename T, HWY_IF_FLOAT_OR_SPECIAL(TTo)>
186template <
typename TExpected,
typename TActual>
188 const TActual expected = ConvertScalarTo<TActual>(WrapTo<TActual>(texpected));
189 const auto info = detail::MakeTypeInfo<TActual>();
193template <
typename TExpected,
typename TActual>
195 const char* target_name,
const char* filename,
196 int line,
size_t lane = 0) {
197 const TActual expected = ConvertScalarTo<TActual>(WrapTo<TActual>(texpected));
198 const auto info = detail::MakeTypeInfo<TActual>();
201 filename,
line, lane);
207 size_t count,
const char* target_name,
208 const char* filename,
int line) {
209 const auto info = hwy::detail::MakeTypeInfo<T>();
217 size_t count,
const char* target_name,
218 const char* filename,
int line) {
219 const double tolerance =
220 (hwy::IsSame<RemoveCvRef<T>,
float16_t>() ? 128.0 : 1.0) /
221 (uint64_t{1} << MantissaBits<T>());
222 for (
size_t i = 0; i < count; ++i) {
223 const double exp = ConvertScalarTo<double>(expected[i]);
224 const double act = ConvertScalarTo<double>(actual[i]);
228 if (l1 > tolerance) {
229 HWY_ABORT(
"%s %s:%d %s mismatch %zu of %zu: %E %E l1 %E tol %E\n",
230 target_name, filename,
line,
TypeName(T(), 1).c_str(), i,
231 count, exp, act, l1, tolerance);
234 const double rel = l1 / exp;
235 if (rel > tolerance) {
236 HWY_ABORT(
"%s %s:%d %s mismatch %zu of %zu: %E %E rel %E tol %E\n",
237 target_name, filename,
line,
TypeName(T(), 1).c_str(), i,
238 count, exp, act, rel, tolerance);
#define HWY_MAX(a, b)
Definition base.h:177
#define HWY_IF_T_SIZE_LE(T, bytes)
Definition base.h:647
#define HWY_NORETURN
Definition base.h:105
#define HWY_MIN(a, b)
Definition base.h:176
#define HWY_ABORT(format,...)
Definition base.h:233
#define HWY_INLINE
Definition base.h:101
#define HWY_IF_T_SIZE_GT(T, bytes)
Definition base.h:649
#define HWY_MAYBE_UNUSED
Definition base.h:113
#define HWY_IF_NOT_FLOAT_NOR_SPECIAL(T)
Definition base.h:635
Definition test_util.h:36
static uint64_t SplitMix64(uint64_t z)
Definition test_util.h:55
HWY_INLINE uint64_t operator()()
Definition test_util.h:43
uint64_t s0_
Definition test_util.h:61
uint64_t s1_
Definition test_util.h:62
RandomState(const uint64_t seed=0x123456789ull)
Definition test_util.h:38
#define HWY_TEST_DLLEXPORT
Definition highway_export.h:15
HWY_DLLEXPORT void TypeName(const TypeInfo &info, size_t N, char *string100)
TU ComputeUlpDelta(const T expected, const T actual)
Definition test_util.h:107
HWY_TEST_DLLEXPORT HWY_NORETURN void PrintMismatchAndAbort(const TypeInfo &info, const void *expected_ptr, const void *actual_ptr, const char *target_name, const char *filename, int line, size_t lane=0, size_t num_lanes=1)
HWY_TEST_DLLEXPORT bool IsEqual(const TypeInfo &info, const void *expected_ptr, const void *actual_ptr)
HWY_TEST_DLLEXPORT void AssertArrayEqual(const TypeInfo &info, const void *expected_void, const void *actual_void, size_t N, const char *target_name, const char *filename, int line)
void AssertStringEqual(const char *expected, const char *actual, const char *target_name, const char *filename, int line)
HWY_INLINE void AssertEqual(const TExpected texpected, const TActual actual, const char *target_name, const char *filename, int line, size_t lane=0)
Definition test_util.h:194
typename detail::Relations< T >::Unsigned MakeUnsigned
Definition base.h:2078
HWY_API void CopySameSize(const From *HWY_RESTRICT from, To *HWY_RESTRICT to)
Definition base.h:346
HWY_INLINE void AssertArrayEqual(const T *expected, const T *actual, size_t count, const char *target_name, const char *filename, int line)
Definition test_util.h:206
typename IfT< Condition, Then, Else >::type If
Definition base.h:520
typename detail::TypeFromSize< N >::Unsigned UnsignedFromSize
Definition base.h:2092
static HWY_INLINE T RandomFiniteValue(RandomState *rng)
Definition test_util.h:72
typename detail::TypeFromSize< N >::Signed SignedFromSize
Definition base.h:2094
static HWY_INLINE uint64_t Random64(RandomState *rng)
Definition test_util.h:69
std::string TypeName(T, size_t N)
Definition test_util.h:147
typename detail::TypeFromSize< N >::Float FloatFromSize
Definition base.h:2096
If< IsFloat< T1 >()||IsFloat< T2 >(), FloatFromSize< HWY_MAX(sizeof(T1), sizeof(T2))>, If< IsSigned< T1 >()||IsSigned< T2 >(), SignedFromSize< HWY_MAX(sizeof(T1), sizeof(T2))>, UnsignedFromSize< HWY_MAX(sizeof(T1), sizeof(T2))> > > LargestType
Definition test_util.h:155
static HWY_INLINE uint32_t Random32(RandomState *rng)
Definition test_util.h:65
HWY_INLINE bool IsEqual(const TExpected texpected, const TActual actual)
Definition test_util.h:187
HWY_API HWY_BITCASTSCALAR_CONSTEXPR RemoveCvRef< T > ScalarAbs(T val)
Definition base.h:2815
HWY_INLINE void AssertArraySimilar(const T *expected, const T *actual, size_t count, const char *target_name, const char *filename, int line)
Definition test_util.h:216
HWY_TEST_DLLEXPORT bool BytesEqual(const void *p1, const void *p2, size_t size, size_t *pos=nullptr)
T WrapTo(T value)
Definition test_util.h:168
HWY_MAYBE_UNUSED constexpr size_t kTestMaxVectorSize
Definition test_util.h:32
HWY_DLLEXPORT HWY_NORETURN void int line
Definition base.h:231