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//===-- MPCUtils.h ----------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIBC_UTILS_MPCWRAPPER_MPCUTILS_H
#define LLVM_LIBC_UTILS_MPCWRAPPER_MPCUTILS_H
#include "src/__support/CPP/type_traits.h"
#include "src/__support/complex_type.h"
#include "src/__support/macros/config.h"
#include "src/__support/macros/properties/complex_types.h"
#include "src/__support/macros/properties/types.h"
#include "test/UnitTest/RoundingModeUtils.h"
#include "test/UnitTest/Test.h"
#include <stdint.h>
namespace LIBC_NAMESPACE_DECL {
namespace testing {
namespace mpc {
enum class Operation {
// Operations which take a single complex floating point number as input
// and produce a single floating point number as output which has the same
// floating point type as the real/imaginary part of the input.
BeginUnaryOperationsSingleOutputDifferentOutputType,
Carg,
Cabs,
EndUnaryOperationsSingleOutputDifferentOutputType,
// Operations which take a single complex floating point number as input
// and produce a single complex floating point number of the same kind
// as output.
BeginUnaryOperationsSingleOutputSameOutputType,
Cproj,
Csqrt,
Clog,
Cexp,
Csinh,
Ccosh,
Ctanh,
Casinh,
Cacosh,
Catanh,
Csin,
Ccos,
Ctan,
Casin,
Cacos,
Catan,
EndUnaryOperationsSingleOutputSameOutputType,
// Operations which take two complex floating point numbers as input
// and produce a single complex floating point number of the same kind
// as output.
BeginBinaryOperationsSingleOutput,
Cpow,
EndBinaryOperationsSingleOutput,
};
using LIBC_NAMESPACE::fputil::testing::RoundingMode;
template <typename T> struct BinaryInput {
static_assert(LIBC_NAMESPACE::cpp::is_complex_v<T>,
"Template parameter of BinaryInput must be a complex floating "
"point type.");
using Type = T;
T x, y;
};
namespace internal {
template <typename InputType, typename OutputType>
bool compare_unary_operation_single_output_same_type(Operation op,
InputType input,
OutputType libc_output,
double ulp_tolerance,
RoundingMode rounding);
template <typename InputType, typename OutputType>
bool compare_unary_operation_single_output_different_type(
Operation op, InputType input, OutputType libc_output, double ulp_tolerance,
RoundingMode rounding);
template <typename InputType, typename OutputType>
bool compare_binary_operation_one_output(Operation op,
const BinaryInput<InputType> &input,
OutputType libc_output,
double ulp_tolerance,
RoundingMode rounding);
template <typename InputType, typename OutputType>
void explain_unary_operation_single_output_same_type_error(
Operation op, InputType input, OutputType match_value, double ulp_tolerance,
RoundingMode rounding);
template <typename InputType, typename OutputType>
void explain_unary_operation_single_output_different_type_error(
Operation op, InputType input, OutputType match_value, double ulp_tolerance,
RoundingMode rounding);
template <typename InputType, typename OutputType>
void explain_binary_operation_one_output_error(
Operation op, const BinaryInput<InputType> &input, OutputType match_value,
double ulp_tolerance, RoundingMode rounding);
template <Operation op, typename InputType, typename OutputType>
class MPCMatcher : public testing::Matcher<OutputType> {
private:
InputType input;
OutputType match_value;
double ulp_tolerance;
RoundingMode rounding;
public:
MPCMatcher(InputType testInput, double ulp_tolerance, RoundingMode rounding)
: input(testInput), ulp_tolerance(ulp_tolerance), rounding(rounding) {}
bool match(OutputType libcResult) {
match_value = libcResult;
return match(input, match_value);
}
void explainError() override { // NOLINT
explain_error(input, match_value);
}
private:
template <typename InType, typename OutType>
bool match(InType in, OutType out) {
if (cpp::is_same_v<InType, OutType>) {
return compare_unary_operation_single_output_same_type(
op, in, out, ulp_tolerance, rounding);
} else {
return compare_unary_operation_single_output_different_type(
op, in, out, ulp_tolerance, rounding);
}
}
template <typename T, typename U>
bool match(const BinaryInput<T> &in, U out) {
return compare_binary_operation_one_output(op, in, out, ulp_tolerance,
rounding);
}
template <typename InType, typename OutType>
void explain_error(InType in, OutType out) {
if (cpp::is_same_v<InType, OutType>) {
explain_unary_operation_single_output_same_type_error(
op, in, out, ulp_tolerance, rounding);
} else {
explain_unary_operation_single_output_different_type_error(
op, in, out, ulp_tolerance, rounding);
}
}
template <typename T, typename U>
void explain_error(const BinaryInput<T> &in, U out) {
explain_binary_operation_one_output_error(op, in, out, ulp_tolerance,
rounding);
}
};
} // namespace internal
// Return true if the input and ouput types for the operation op are valid
// types.
template <Operation op, typename InputType, typename OutputType>
constexpr bool is_valid_operation() {
return (Operation::BeginBinaryOperationsSingleOutput < op &&
op < Operation::EndBinaryOperationsSingleOutput &&
cpp::is_complex_type_same<InputType, OutputType>() &&
cpp::is_complex_v<InputType>) ||
(Operation::BeginUnaryOperationsSingleOutputSameOutputType < op &&
op < Operation::EndUnaryOperationsSingleOutputSameOutputType &&
cpp::is_complex_type_same<InputType, OutputType>() &&
cpp::is_complex_v<InputType>) ||
(Operation::BeginUnaryOperationsSingleOutputDifferentOutputType < op &&
op < Operation::EndUnaryOperationsSingleOutputDifferentOutputType &&
cpp::is_same_v<make_real_t<InputType>, OutputType> &&
cpp::is_complex_v<InputType>);
}
template <Operation op, typename InputType, typename OutputType>
cpp::enable_if_t<is_valid_operation<op, InputType, OutputType>(),
internal::MPCMatcher<op, InputType, OutputType>>
get_mpc_matcher(InputType input, [[maybe_unused]] OutputType output,
double ulp_tolerance, RoundingMode rounding) {
return internal::MPCMatcher<op, InputType, OutputType>(input, ulp_tolerance,
rounding);
}
} // namespace mpc
} // namespace testing
} // namespace LIBC_NAMESPACE_DECL
#define EXPECT_MPC_MATCH_DEFAULT(op, input, match_value, ulp_tolerance) \
EXPECT_THAT(match_value, \
LIBC_NAMESPACE::testing::mpc::get_mpc_matcher<op>( \
input, match_value, ulp_tolerance, \
LIBC_NAMESPACE::fputil::testing::RoundingMode::Nearest))
#define EXPECT_MPC_MATCH_ROUNDING(op, input, match_value, ulp_tolerance, \
rounding) \
EXPECT_THAT(match_value, LIBC_NAMESPACE::testing::mpc::get_mpc_matcher<op>( \
input, match_value, ulp_tolerance, rounding))
#define EXPECT_MPC_MATCH_ALL_ROUNDING_HELPER(op, input, match_value, \
ulp_tolerance, rounding) \
{ \
MPCRND::ForceRoundingMode __r(rounding); \
if (__r.success) { \
EXPECT_MPC_MATCH_ROUNDING(op, input, match_value, ulp_tolerance, \
rounding); \
} \
}
#define EXPECT_MPC_MATCH_ALL_ROUNDING(op, input, match_value, ulp_tolerance) \
{ \
namespace MPCRND = LIBC_NAMESPACE::fputil::testing; \
for (int i = 0; i < 4; i++) { \
MPCRND::RoundingMode r_mode = static_cast<MPCRND::RoundingMode>(i); \
EXPECT_MPC_MATCH_ALL_ROUNDING_HELPER(op, input, match_value, \
ulp_tolerance, r_mode); \
} \
}
#define TEST_MPC_MATCH_ROUNDING(op, input, match_value, ulp_tolerance, \
rounding) \
LIBC_NAMESPACE::testing::mpc::get_mpc_matcher<op>(input, match_value, \
ulp_tolerance, rounding) \
.match(match_value)
#define ASSERT_MPC_MATCH_DEFAULT(op, input, match_value, ulp_tolerance) \
ASSERT_THAT(match_value, \
LIBC_NAMESPACE::testing::mpc::get_mpc_matcher<op>( \
input, match_value, ulp_tolerance, \
LIBC_NAMESPACE::fputil::testing::RoundingMode::Nearest))
#define ASSERT_MPC_MATCH_ROUNDING(op, input, match_value, ulp_tolerance, \
rounding) \
ASSERT_THAT(match_value, LIBC_NAMESPACE::testing::mpc::get_mpc_matcher<op>( \
input, match_value, ulp_tolerance, rounding))
#define ASSERT_MPC_MATCH_ALL_ROUNDING_HELPER(op, input, match_value, \
ulp_tolerance, rounding) \
{ \
MPCRND::ForceRoundingMode __r(rounding); \
if (__r.success) { \
ASSERT_MPC_MATCH_ROUNDING(op, input, match_value, ulp_tolerance, \
rounding); \
} \
}
#define ASSERT_MPC_MATCH_ALL_ROUNDING(op, input, match_value, ulp_tolerance) \
{ \
namespace MPCRND = LIBC_NAMESPACE::fputil::testing; \
for (int i = 0; i < 4; i++) { \
MPCRND::RoundingMode r_mode = static_cast<MPCRND::RoundingMode>(i); \
ASSERT_MPC_MATCH_ALL_ROUNDING_HELPER(op, input, match_value, \
ulp_tolerance, r_mode); \
} \
}
#endif // LLVM_LIBC_UTILS_MPCWRAPPER_MPCUTILS_H
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