//===-- include/flang/Runtime/reduce.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
//
//===----------------------------------------------------------------------===//
// Defines the API for implementations of the transformational intrinsic
// function REDUCE(); see F'2023 16.9.173.
//
// Similar to the definition of the APIs for SUM(), &c., in reduction.h,
// there are typed functions here like ReduceInteger4() for total reductions
// to scalars and void functions like ReduceInteger4Dim() for partial
// reductions to smaller arrays.
#ifndef FORTRAN_RUNTIME_REDUCE_H_
#define FORTRAN_RUNTIME_REDUCE_H_
#include "flang/Common/float128.h"
#include "flang/Common/uint128.h"
#include "flang/Runtime/cpp-type.h"
#include "flang/Runtime/entry-names.h"
#include <complex>
#include <cstdint>
namespace Fortran::runtime {
class Descriptor;
template <typename T>
using ReferenceReductionOperation = T (*)(const T *, const T *);
template <typename T> using ValueReductionOperation = T (*)(T, T);
template <typename CHAR>
using ReductionCharOperation = void (*)(CHAR *hiddenResult,
std::size_t resultLen, const CHAR *x, const CHAR *y, std::size_t xLen,
std::size_t yLen);
using ReductionDerivedTypeOperation = void (*)(
void *hiddenResult, const void *x, const void *y);
extern "C" {
std::int8_t RTDECL(ReduceInteger1Ref)(const Descriptor &,
ReferenceReductionOperation<std::int8_t>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const std::int8_t *identity = nullptr, bool ordered = true);
std::int8_t RTDECL(ReduceInteger1Value)(const Descriptor &,
ValueReductionOperation<std::int8_t>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const std::int8_t *identity = nullptr, bool ordered = true);
void RTDECL(ReduceInteger1DimRef)(Descriptor &result, const Descriptor &array,
ReferenceReductionOperation<std::int8_t>, const char *source, int line,
int dim, const Descriptor *mask = nullptr,
const std::int8_t *identity = nullptr, bool ordered = true);
void RTDECL(ReduceInteger1DimValue)(Descriptor &result, const Descriptor &array,
ValueReductionOperation<std::int8_t>, const char *source, int line, int dim,
const Descriptor *mask = nullptr, const std::int8_t *identity = nullptr,
bool ordered = true);
std::int16_t RTDECL(ReduceInteger2Ref)(const Descriptor &,
ReferenceReductionOperation<std::int16_t>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const std::int16_t *identity = nullptr, bool ordered = true);
std::int16_t RTDECL(ReduceInteger2Value)(const Descriptor &,
ValueReductionOperation<std::int16_t>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const std::int16_t *identity = nullptr, bool ordered = true);
void RTDECL(ReduceInteger2DimRef)(Descriptor &result, const Descriptor &array,
ReferenceReductionOperation<std::int16_t>, const char *source, int line,
int dim, const Descriptor *mask = nullptr,
const std::int16_t *identity = nullptr, bool ordered = true);
void RTDECL(ReduceInteger2DimValue)(Descriptor &result, const Descriptor &array,
ValueReductionOperation<std::int16_t>, const char *source, int line,
int dim, const Descriptor *mask = nullptr,
const std::int16_t *identity = nullptr, bool ordered = true);
std::int32_t RTDECL(ReduceInteger4Ref)(const Descriptor &,
ReferenceReductionOperation<std::int32_t>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const std::int32_t *identity = nullptr, bool ordered = true);
std::int32_t RTDECL(ReduceInteger4Value)(const Descriptor &,
ValueReductionOperation<std::int32_t>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const std::int32_t *identity = nullptr, bool ordered = true);
void RTDECL(ReduceInteger4DimRef)(Descriptor &result, const Descriptor &array,
ReferenceReductionOperation<std::int32_t>, const char *source, int line,
int dim, const Descriptor *mask = nullptr,
const std::int32_t *identity = nullptr, bool ordered = true);
void RTDECL(ReduceInteger4DimValue)(Descriptor &result, const Descriptor &array,
ValueReductionOperation<std::int32_t>, const char *source, int line,
int dim, const Descriptor *mask = nullptr,
const std::int32_t *identity = nullptr, bool ordered = true);
std::int64_t RTDECL(ReduceInteger8Ref)(const Descriptor &,
ReferenceReductionOperation<std::int64_t>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const std::int64_t *identity = nullptr, bool ordered = true);
std::int64_t RTDECL(ReduceInteger8Value)(const Descriptor &,
ValueReductionOperation<std::int64_t>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const std::int64_t *identity = nullptr, bool ordered = true);
void RTDECL(ReduceInteger8DimRef)(Descriptor &result, const Descriptor &array,
ReferenceReductionOperation<std::int64_t>, const char *source, int line,
int dim, const Descriptor *mask = nullptr,
const std::int64_t *identity = nullptr, bool ordered = true);
void RTDECL(ReduceInteger8DimValue)(Descriptor &result, const Descriptor &array,
ValueReductionOperation<std::int64_t>, const char *source, int line,
int dim, const Descriptor *mask = nullptr,
const std::int64_t *identity = nullptr, bool ordered = true);
#ifdef __SIZEOF_INT128__
common::int128_t RTDECL(ReduceInteger16Ref)(const Descriptor &,
ReferenceReductionOperation<common::int128_t>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const common::int128_t *identity = nullptr, bool ordered = true);
common::int128_t RTDECL(ReduceInteger16Value)(const Descriptor &,
ValueReductionOperation<common::int128_t>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const common::int128_t *identity = nullptr, bool ordered = true);
void RTDECL(ReduceInteger16DimRef)(Descriptor &result, const Descriptor &array,
ReferenceReductionOperation<common::int128_t>, const char *source, int line,
int dim, const Descriptor *mask = nullptr,
const common::int128_t *identity = nullptr, bool ordered = true);
void RTDECL(ReduceInteger16DimValue)(Descriptor &result,
const Descriptor &array, ValueReductionOperation<common::int128_t>,
const char *source, int line, int dim, const Descriptor *mask = nullptr,
const common::int128_t *identity = nullptr, bool ordered = true);
#endif
// REAL/COMPLEX(2 & 3) return 32-bit float results for the caller to downconvert
float RTDECL(ReduceReal2Ref)(const Descriptor &,
ReferenceReductionOperation<float>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const float *identity = nullptr, bool ordered = true);
float RTDECL(ReduceReal2Value)(const Descriptor &,
ValueReductionOperation<float>, const char *source, int line, int dim = 0,
const Descriptor *mask = nullptr, const float *identity = nullptr,
bool ordered = true);
void RTDECL(ReduceReal2DimRef)(Descriptor &result, const Descriptor &array,
ReferenceReductionOperation<float>, const char *source, int line, int dim,
const Descriptor *mask = nullptr, const float *identity = nullptr,
bool ordered = true);
void RTDECL(ReduceReal2DimValue)(Descriptor &result, const Descriptor &array,
ValueReductionOperation<float>, const char *source, int line, int dim,
const Descriptor *mask = nullptr, const float *identity = nullptr,
bool ordered = true);
float RTDECL(ReduceReal3Ref)(const Descriptor &,
ReferenceReductionOperation<float>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const float *identity = nullptr, bool ordered = true);
float RTDECL(ReduceReal3Value)(const Descriptor &,
ValueReductionOperation<float>, const char *source, int line, int dim = 0,
const Descriptor *mask = nullptr, const float *identity = nullptr,
bool ordered = true);
void RTDECL(ReduceReal3DimRef)(Descriptor &result, const Descriptor &array,
ReferenceReductionOperation<float>, const char *source, int line, int dim,
const Descriptor *mask = nullptr, const float *identity = nullptr,
bool ordered = true);
void RTDECL(ReduceReal3DimValue)(Descriptor &result, const Descriptor &array,
ValueReductionOperation<float>, const char *source, int line, int dim,
const Descriptor *mask = nullptr, const float *identity = nullptr,
bool ordered = true);
float RTDECL(ReduceReal4Ref)(const Descriptor &,
ReferenceReductionOperation<float>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const float *identity = nullptr, bool ordered = true);
float RTDECL(ReduceReal4Value)(const Descriptor &,
ValueReductionOperation<float>, const char *source, int line, int dim = 0,
const Descriptor *mask = nullptr, const float *identity = nullptr,
bool ordered = true);
void RTDECL(ReduceReal4DimRef)(Descriptor &result, const Descriptor &array,
ReferenceReductionOperation<float>, const char *source, int line, int dim,
const Descriptor *mask = nullptr, const float *identity = nullptr,
bool ordered = true);
void RTDECL(ReduceReal4DimValue)(Descriptor &result, const Descriptor &array,
ValueReductionOperation<float>, const char *source, int line, int dim,
const Descriptor *mask = nullptr, const float *identity = nullptr,
bool ordered = true);
double RTDECL(ReduceReal8Ref)(const Descriptor &,
ReferenceReductionOperation<double>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const double *identity = nullptr, bool ordered = true);
double RTDECL(ReduceReal8Value)(const Descriptor &,
ValueReductionOperation<double>, const char *source, int line, int dim = 0,
const Descriptor *mask = nullptr, const double *identity = nullptr,
bool ordered = true);
void RTDECL(ReduceReal8DimRef)(Descriptor &result, const Descriptor &array,
ReferenceReductionOperation<double>, const char *source, int line, int dim,
const Descriptor *mask = nullptr, const double *identity = nullptr,
bool ordered = true);
void RTDECL(ReduceReal8DimValue)(Descriptor &result, const Descriptor &array,
ValueReductionOperation<double>, const char *source, int line, int dim,
const Descriptor *mask = nullptr, const double *identity = nullptr,
bool ordered = true);
#if LDBL_MANT_DIG == 64
long double RTDECL(ReduceReal10Ref)(const Descriptor &,
ReferenceReductionOperation<long double>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const long double *identity = nullptr, bool ordered = true);
long double RTDECL(ReduceReal10Value)(const Descriptor &,
ValueReductionOperation<long double>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const long double *identity = nullptr, bool ordered = true);
void RTDECL(ReduceReal10DimRef)(Descriptor &result, const Descriptor &array,
ReferenceReductionOperation<long double>, const char *source, int line,
int dim, const Descriptor *mask = nullptr,
const long double *identity = nullptr, bool ordered = true);
void RTDECL(ReduceReal10DimValue)(Descriptor &result, const Descriptor &array,
ValueReductionOperation<long double>, const char *source, int line, int dim,
const Descriptor *mask = nullptr, const long double *identity = nullptr,
bool ordered = true);
#endif
#if LDBL_MANT_DIG == 113 || HAS_FLOAT128
CppFloat128Type RTDECL(ReduceReal16Ref)(const Descriptor &,
ReferenceReductionOperation<CppFloat128Type>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const CppFloat128Type *identity = nullptr, bool ordered = true);
CppFloat128Type RTDECL(ReduceReal16Value)(const Descriptor &,
ValueReductionOperation<CppFloat128Type>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const CppFloat128Type *identity = nullptr, bool ordered = true);
void RTDECL(ReduceReal16DimRef)(Descriptor &result, const Descriptor &array,
ReferenceReductionOperation<CppFloat128Type>, const char *source, int line,
int dim, const Descriptor *mask = nullptr,
const CppFloat128Type *identity = nullptr, bool ordered = true);
void RTDECL(ReduceReal16DimValue)(Descriptor &result, const Descriptor &array,
ValueReductionOperation<CppFloat128Type>, const char *source, int line,
int dim, const Descriptor *mask = nullptr,
const CppFloat128Type *identity = nullptr, bool ordered = true);
#endif
void RTDECL(CppReduceComplex2Ref)(std::complex<float> &, const Descriptor &,
ReferenceReductionOperation<std::complex<float>>, const char *source,
int line, int dim = 0, const Descriptor *mask = nullptr,
const std::complex<float> *identity = nullptr, bool ordered = true);
void RTDECL(CppReduceComplex2Value)(std::complex<float> &, const Descriptor &,
ValueReductionOperation<std::complex<float>>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const std::complex<float> *identity = nullptr, bool ordered = true);
void RTDECL(CppReduceComplex2DimRef)(Descriptor &result,
const Descriptor &array, ReferenceReductionOperation<std::complex<float>>,
const char *source, int line, int dim, const Descriptor *mask = nullptr,
const std::complex<float> *identity = nullptr, bool ordered = true);
void RTDECL(CppReduceComplex2DimValue)(Descriptor &result,
const Descriptor &array, ValueReductionOperation<std::complex<float>>,
const char *source, int line, int dim, const Descriptor *mask = nullptr,
const std::complex<float> *identity = nullptr, bool ordered = true);
void RTDECL(CppReduceComplex3Ref)(std::complex<float> &, const Descriptor &,
ReferenceReductionOperation<std::complex<float>>, const char *source,
int line, int dim = 0, const Descriptor *mask = nullptr,
const std::complex<float> *identity = nullptr, bool ordered = true);
void RTDECL(CppReduceComplex3Value)(std::complex<float> &, const Descriptor &,
ValueReductionOperation<std::complex<float>>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const std::complex<float> *identity = nullptr, bool ordered = true);
void RTDECL(CppReduceComplex3DimRef)(Descriptor &result,
const Descriptor &array, ReferenceReductionOperation<std::complex<float>>,
const char *source, int line, int dim, const Descriptor *mask = nullptr,
const std::complex<float> *identity = nullptr, bool ordered = true);
void RTDECL(CppReduceComplex3DimValue)(Descriptor &result,
const Descriptor &array, ValueReductionOperation<std::complex<float>>,
const char *source, int line, int dim, const Descriptor *mask = nullptr,
const std::complex<float> *identity = nullptr, bool ordered = true);
void RTDECL(CppReduceComplex4Ref)(std::complex<float> &, const Descriptor &,
ReferenceReductionOperation<std::complex<float>>, const char *source,
int line, int dim = 0, const Descriptor *mask = nullptr,
const std::complex<float> *identity = nullptr, bool ordered = true);
void RTDECL(CppReduceComplex4Value)(std::complex<float> &, const Descriptor &,
ValueReductionOperation<std::complex<float>>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const std::complex<float> *identity = nullptr, bool ordered = true);
void RTDECL(CppReduceComplex4DimRef)(Descriptor &result,
const Descriptor &array, ReferenceReductionOperation<std::complex<float>>,
const char *source, int line, int dim, const Descriptor *mask = nullptr,
const std::complex<float> *identity = nullptr, bool ordered = true);
void RTDECL(CppReduceComplex4DimValue)(Descriptor &result,
const Descriptor &array, ValueReductionOperation<std::complex<float>>,
const char *source, int line, int dim, const Descriptor *mask = nullptr,
const std::complex<float> *identity = nullptr, bool ordered = true);
void RTDECL(CppReduceComplex8Ref)(std::complex<double> &, const Descriptor &,
ReferenceReductionOperation<std::complex<double>>, const char *source,
int line, int dim = 0, const Descriptor *mask = nullptr,
const std::complex<double> *identity = nullptr, bool ordered = true);
void RTDECL(CppReduceComplex8Value)(std::complex<double> &, const Descriptor &,
ValueReductionOperation<std::complex<double>>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const std::complex<double> *identity = nullptr, bool ordered = true);
void RTDECL(CppReduceComplex8DimRef)(Descriptor &result,
const Descriptor &array, ReferenceReductionOperation<std::complex<double>>,
const char *source, int line, int dim, const Descriptor *mask = nullptr,
const std::complex<double> *identity = nullptr, bool ordered = true);
void RTDECL(CppReduceComplex8DimValue)(Descriptor &result,
const Descriptor &array, ValueReductionOperation<std::complex<double>>,
const char *source, int line, int dim, const Descriptor *mask = nullptr,
const std::complex<double> *identity = nullptr, bool ordered = true);
#if LDBL_MANT_DIG == 64
void RTDECL(CppReduceComplex10Ref)(std::complex<long double> &,
const Descriptor &, ReferenceReductionOperation<std::complex<long double>>,
const char *source, int line, int dim = 0, const Descriptor *mask = nullptr,
const std::complex<long double> *identity = nullptr, bool ordered = true);
void RTDECL(CppReduceComplex10Value)(std::complex<long double> &,
const Descriptor &, ValueReductionOperation<std::complex<long double>>,
const char *source, int line, int dim = 0, const Descriptor *mask = nullptr,
const std::complex<long double> *identity = nullptr, bool ordered = true);
void RTDECL(CppReduceComplex10DimRef)(Descriptor &result,
const Descriptor &array,
ReferenceReductionOperation<std::complex<long double>>, const char *source,
int line, int dim, const Descriptor *mask = nullptr,
const std::complex<long double> *identity = nullptr, bool ordered = true);
void RTDECL(CppReduceComplex10DimValue)(Descriptor &result,
const Descriptor &array, ValueReductionOperation<std::complex<long double>>,
const char *source, int line, int dim, const Descriptor *mask = nullptr,
const std::complex<long double> *identity = nullptr, bool ordered = true);
#endif
#if LDBL_MANT_DIG == 113 || HAS_FLOAT128
void RTDECL(CppReduceComplex16Ref)(std::complex<CppFloat128Type> &,
const Descriptor &,
ReferenceReductionOperation<std::complex<CppFloat128Type>>,
const char *source, int line, int dim = 0, const Descriptor *mask = nullptr,
const std::complex<CppFloat128Type> *identity = nullptr,
bool ordered = true);
void RTDECL(CppReduceComplex16Value)(std::complex<CppFloat128Type> &,
const Descriptor &, ValueReductionOperation<std::complex<CppFloat128Type>>,
const char *source, int line, int dim = 0, const Descriptor *mask = nullptr,
const std::complex<CppFloat128Type> *identity = nullptr,
bool ordered = true);
void RTDECL(CppReduceComplex16DimRef)(Descriptor &result,
const Descriptor &array,
ReferenceReductionOperation<std::complex<CppFloat128Type>>,
const char *source, int line, int dim, const Descriptor *mask = nullptr,
const std::complex<CppFloat128Type> *identity = nullptr,
bool ordered = true);
void RTDECL(CppReduceComplex16DimValue)(Descriptor &result,
const Descriptor &array,
ValueReductionOperation<std::complex<CppFloat128Type>>, const char *source,
int line, int dim, const Descriptor *mask = nullptr,
const std::complex<CppFloat128Type> *identity = nullptr,
bool ordered = true);
#endif
bool RTDECL(ReduceLogical1Ref)(const Descriptor &,
ReferenceReductionOperation<std::int8_t>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const std::int8_t *identity = nullptr, bool ordered = true);
bool RTDECL(ReduceLogical1Value)(const Descriptor &,
ValueReductionOperation<std::int8_t>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const std::int8_t *identity = nullptr, bool ordered = true);
void RTDECL(ReduceLogical1DimRef)(Descriptor &result, const Descriptor &array,
ReferenceReductionOperation<std::int8_t>, const char *source, int line,
int dim, const Descriptor *mask = nullptr,
const std::int8_t *identity = nullptr, bool ordered = true);
void RTDECL(ReduceLogical1DimValue)(Descriptor &result, const Descriptor &array,
ValueReductionOperation<std::int8_t>, const char *source, int line, int dim,
const Descriptor *mask = nullptr, const std::int8_t *identity = nullptr,
bool ordered = true);
bool RTDECL(ReduceLogical2Ref)(const Descriptor &,
ReferenceReductionOperation<std::int16_t>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const std::int16_t *identity = nullptr, bool ordered = true);
bool RTDECL(ReduceLogical2Value)(const Descriptor &,
ValueReductionOperation<std::int16_t>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const std::int16_t *identity = nullptr, bool ordered = true);
void RTDECL(ReduceLogical2DimRef)(Descriptor &result, const Descriptor &array,
ReferenceReductionOperation<std::int16_t>, const char *source, int line,
int dim, const Descriptor *mask = nullptr,
const std::int16_t *identity = nullptr, bool ordered = true);
void RTDECL(ReduceLogical2DimValue)(Descriptor &result, const Descriptor &array,
ValueReductionOperation<std::int16_t>, const char *source, int line,
int dim, const Descriptor *mask = nullptr,
const std::int16_t *identity = nullptr, bool ordered = true);
bool RTDECL(ReduceLogical4Ref)(const Descriptor &,
ReferenceReductionOperation<std::int32_t>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const std::int32_t *identity = nullptr, bool ordered = true);
bool RTDECL(ReduceLogical4Value)(const Descriptor &,
ValueReductionOperation<std::int32_t>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const std::int32_t *identity = nullptr, bool ordered = true);
void RTDECL(ReduceLogical4DimRef)(Descriptor &result, const Descriptor &array,
ReferenceReductionOperation<std::int32_t>, const char *source, int line,
int dim, const Descriptor *mask = nullptr,
const std::int32_t *identity = nullptr, bool ordered = true);
void RTDECL(ReduceLogical4DimValue)(Descriptor &result, const Descriptor &array,
ValueReductionOperation<std::int32_t>, const char *source, int line,
int dim, const Descriptor *mask = nullptr,
const std::int32_t *identity = nullptr, bool ordered = true);
bool RTDECL(ReduceLogical8Ref)(const Descriptor &,
ReferenceReductionOperation<std::int64_t>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const std::int64_t *identity = nullptr, bool ordered = true);
bool RTDECL(ReduceLogical8Value)(const Descriptor &,
ValueReductionOperation<std::int64_t>, const char *source, int line,
int dim = 0, const Descriptor *mask = nullptr,
const std::int64_t *identity = nullptr, bool ordered = true);
void RTDECL(ReduceLogical8DimRef)(Descriptor &result, const Descriptor &array,
ReferenceReductionOperation<std::int64_t>, const char *source, int line,
int dim, const Descriptor *mask = nullptr,
const std::int64_t *identity = nullptr, bool ordered = true);
void RTDECL(ReduceLogical8DimValue)(Descriptor &result, const Descriptor &array,
ValueReductionOperation<std::int64_t>, const char *source, int line,
int dim, const Descriptor *mask = nullptr,
const std::int64_t *identity = nullptr, bool ordered = true);
void RTDECL(ReduceChar1)(char *result, const Descriptor &array,
ReductionCharOperation<char>, const char *source, int line, int dim = 0,
const Descriptor *mask = nullptr, const char *identity = nullptr,
bool ordered = true);
void RTDECL(ReduceCharacter1Dim)(Descriptor &result, const Descriptor &array,
ReductionCharOperation<char>, const char *source, int line, int dim,
const Descriptor *mask = nullptr, const char *identity = nullptr,
bool ordered = true);
void RTDECL(ReduceChar2)(char16_t *result, const Descriptor &array,
ReductionCharOperation<char16_t>, const char *source, int line, int dim = 0,
const Descriptor *mask = nullptr, const char16_t *identity = nullptr,
bool ordered = true);
void RTDECL(ReduceCharacter2Dim)(Descriptor &result, const Descriptor &array,
ReductionCharOperation<char16_t>, const char *source, int line, int dim,
const Descriptor *mask = nullptr, const char16_t *identity = nullptr,
bool ordered = true);
void RTDECL(ReduceChar4)(char32_t *result, const Descriptor &array,
ReductionCharOperation<char32_t>, const char *source, int line, int dim = 0,
const Descriptor *mask = nullptr, const char32_t *identity = nullptr,
bool ordered = true);
void RTDECL(ReduceCharacter4Dim)(Descriptor &result, const Descriptor &array,
ReductionCharOperation<char32_t>, const char *source, int line, int dim,
const Descriptor *mask = nullptr, const char32_t *identity = nullptr,
bool ordered = true);
void RTDECL(ReduceDerivedType)(char *result, const Descriptor &array,
ReductionDerivedTypeOperation, const char *source, int line, int dim = 0,
const Descriptor *mask = nullptr, const char *identity = nullptr,
bool ordered = true);
void RTDECL(ReduceDerivedTypeDim)(Descriptor &result, const Descriptor &array,
ReductionDerivedTypeOperation, const char *source, int line, int dim,
const Descriptor *mask = nullptr, const char *identity = nullptr,
bool ordered = true);
} // extern "C"
} // namespace Fortran::runtime
#endif // FORTRAN_RUNTIME_REDUCE_H_
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