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Dispatch.h
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Dispatch.h
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#pragma once
#include <ATen/Type.h>
#include <c10/util/Half.h>
#include <c10/util/Exception.h>
#define AT_PRIVATE_CASE_TYPE(enum_type, type, ...) \
case enum_type: { \
using scalar_t = type; \
return __VA_ARGS__(); \
}
#define AT_DISPATCH_FLOATING_TYPES(TYPE, NAME, ...) \
[&] { \
const at::Type& the_type = TYPE; \
switch (the_type.scalarType()) { \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Double, double, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Float, float, __VA_ARGS__) \
default: \
AT_ERROR(#NAME, " not implemented for '", the_type.toString(), "'"); \
} \
}()
#define AT_DISPATCH_FLOATING_TYPES_AND_HALF(TYPE, NAME, ...) \
[&] { \
const at::Type& the_type = TYPE; \
switch (the_type.scalarType()) { \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Double, double, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Float, float, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Half, at::Half, __VA_ARGS__) \
default: \
AT_ERROR(#NAME, " not implemented for '", the_type.toString(), "'"); \
} \
}()
#define AT_DISPATCH_FLOATING_AND_COMPLEX_TYPES(TYPE, NAME, ...) \
[&] { \
const at::Type& the_type = TYPE; \
switch (the_type.scalarType()) { \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Double, double, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Float, float, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Half, at::Half, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE( \
at::ScalarType::ComplexDouble, std::complex<double>, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE( \
at::ScalarType::ComplexFloat, std::complex<float>, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE( \
at::ScalarType::ComplexHalf, std::complex<at::Half>, __VA_ARGS__) \
default: \
AT_ERROR(#NAME, " not implemented for '", the_type.toString(), "'"); \
} \
}()
#define AT_DISPATCH_INTEGRAL_TYPES(TYPE, NAME, ...) \
[&] { \
const at::Type& the_type = TYPE; \
switch (the_type.scalarType()) { \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Byte, uint8_t, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Char, int8_t, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Int, int32_t, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Long, int64_t, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Short, int16_t, __VA_ARGS__) \
default: \
AT_ERROR(#NAME, " not implemented for '", the_type.toString(), "'"); \
} \
}()
#define AT_DISPATCH_ALL_TYPES(TYPE, NAME, ...) \
[&] { \
const at::Type& the_type = TYPE; \
switch (the_type.scalarType()) { \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Byte, uint8_t, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Char, int8_t, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Double, double, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Float, float, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Int, int32_t, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Long, int64_t, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Short, int16_t, __VA_ARGS__) \
default: \
AT_ERROR(#NAME, " not implemented for '", the_type.toString(), "'"); \
} \
}()
#define AT_DISPATCH_ALL_TYPES_AND_HALF(TYPE, NAME, ...) \
[&] { \
const at::Type& the_type = TYPE; \
switch (the_type.scalarType()) { \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Byte, uint8_t, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Char, int8_t, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Double, double, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Float, float, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Int, int32_t, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Long, int64_t, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Short, int16_t, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Half, at::Half, __VA_ARGS__) \
default: \
AT_ERROR(#NAME, " not implemented for '", the_type.toString(), "'"); \
} \
}()
#define AT_DISPATCH_COMPLEX_TYPES(TYPE, NAME, ...) \
[&] { \
const at::Type& the_type = TYPE; \
switch (the_type.scalarType()) { \
AT_PRIVATE_CASE_TYPE( \
at::ScalarType::ComplexFloat, std::complex<float>, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE( \
at::ScalarType::ComplexDouble, std::complex<double>, __VA_ARGS__) \
default: \
AT_ERROR(#NAME, " not implemented for '", the_type.toString(), "'"); \
} \
}()
#define AT_DISPATCH_ALL_TYPES_AND_COMPLEX(TYPE, NAME, ...) \
[&] { \
const at::Type& the_type = TYPE; \
switch (the_type.scalarType()) { \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Byte, uint8_t, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Char, int8_t, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Double, double, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Float, float, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Int, int32_t, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Long, int64_t, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Short, int16_t, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE( \
at::ScalarType::ComplexFloat, std::complex<float>, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE( \
at::ScalarType::ComplexDouble, std::complex<double>, __VA_ARGS__) \
default: \
AT_ERROR(#NAME, " not implemented for '", the_type.toString(), "'"); \
} \
}()
#define AT_DISPATCH_ALL_TYPES_AND_HALF_AND_COMPLEX(TYPE, NAME, ...) \
[&] { \
const at::Type& the_type = TYPE; \
switch (the_type.scalarType()) { \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Byte, uint8_t, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Char, int8_t, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Double, double, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Float, float, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Int, int32_t, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Long, int64_t, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Short, int16_t, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE(at::ScalarType::Half, at::Half, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE( \
at::ScalarType::ComplexFloat, std::complex<float>, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE( \
at::ScalarType::ComplexDouble, std::complex<double>, __VA_ARGS__) \
default: \
AT_ERROR(#NAME, " not implemented for '", the_type.toString(), "'"); \
} \
}()