MATLAB 类型到 C++ 类型的映射

当您将 MATLAB^® 数据作为参量传递给 C++ 方法或函数时，MATLAB 会将数据转换为最适合在 C++ 语言中表示该数据的类型。

下表中的每行显示一种 MATLAB 类型，后跟可能的 C++ 参量匹配项，其接近度从左至右递减。MATLAB 类型（元胞数组除外）可以是标量（1×1）数组或矩阵。C++ 类型可以是标量值或数组。短语 cpparray 指以下 C++ 数组类型：

框数组 ([])
数组缓冲区 (*)
std::vector

MATLAB 参量（标量或数组）	C++ 参数类型（标量或数组）对象之外的类型最接近的类型 <-----------------------> 最不接近的类型
`logical`	`bool` `cpparray bool`	`int8_t` `cpparray int8_t` `uint8_t` `cpparray uint8_t`	`int16_t` `cpparray int16_t` `uint16_t` `cpparray uint16_t`	`int32_t` `cpparray int32_t` `uint32_t` `cpparray uint32_t`	`int64_t` `cpparray int64_t` `uint64_t` `cpparray uint64_t`	`float` `cpparray float`	`double` `cpparray double`
`double`	`double` `cpparray double`	`float` `cpparray float`	`int64_t` `cpparray int64_t` `uint64_t` `cpparray uint64_t`	`int32_t` `cpparray int32_t` `uint32_t` `cpparray uint32_t`	`int16_t` `cpparray int16_t` `uint16_t` `cpparray uint16_t`	`int8_t` `cpparray int8_t` `uint8_t` `cpparray uint8_t`	`std::complex<double>` `cpparray std::complex<double>` `std::complex<float>` `cpparray std::complex<float>` `std::complex<int64_t>` `cpparray std::complex<int64_t>` `std::complex<uint64_t>` `cpparray std::complex<uint64_t>` `std::complex<int32_t>` `cpparray std::complex<int32_t>` `std::complex<uint32_t>` `cpparray std::complex<uint32_t>` `std::complex<int16_t>` `cpparray std::complex<int16_t>` `std::complex<uint16_t>` `cpparray std::complex<uint16_t>` `std::complex<int8_t>` `cpparray std::complex<int8_t>` `std::complex<uint8_t>` `cpparray std::complex<uint8_t>`
`single`	`float` `cpparray float`	`double` `cpparray double`	`std::complex<float>` `cpparray std::complex<float>`	`std::complex<double>` `cpparray std::complex<double>`
`[u]int8`	`[u]int8_t` `cpparray [u]int8_t`	`[u]int16_t` `cpparray [u]int16_t`	`[u]int32_t` `cpparray [u]int32_t`	`[u]int64_t` `cpparray [u]int64_t`	`float` `cpparray float`	`double` `cpparray double`	`std::complex<[u]int8_t>` `cpparray std::complex<[u]int8_t>` `std::complex<[u]int16_t>` `cpparray std::complex<[u]int16_t>` `std::complex<[u]int32_t>` `cpparray std::complex<[u]int32_t>` `std::complex<[u]int64_t>` `cpparray std::complex<[u]int64_t>` `std::complex<float>` `cpparray std::complex<float>` `std::complex<double>` `cpparray std::complex<double>`
`[u]int16`	`[u]int16_t` `cpparray [u]int16_t`	`[u]int32_t` `cpparray [u]int32_t`	`[u]int64_t` `cpparray [u]int64_t`	`float` `cpparray float`	`double` `cpparray double`	`std::complex<[u]int16_t>` `cpparray std::complex<[u]int16_t>` `std::complex<[u]int32_t>` `cpparray std::complex<[u]int32_t>` `std::complex<[u]int64_t>` `cpparray std::complex<[u]int64_t>` `std::complex<float>` `cpparray std::complex<float>` `std::complex<double>` `cpparray std::complex<double>`
`[u]int32`	`[u]int32_t` `cpparray [u]int32_t`	`[u]int64_t` `cpparray [u]int64_t`	`float` `cpparray float`	`double` `cpparray double`	`std::complex<[u]int32_t>` `cpparray std::complex<[u]int32_t>` `std::complex<[u]int64_t>` `cpparray std::complex<[u]int64_t>` `std::complex<float>` `cpparray std::complex<float>` `std::complex<double>` `cpparray std::complex<double>`
`[u]int64`	`[u]int64_t` `cpparray [u]int64_t`	`float` `cpparray float`	`double` `cpparray double`	`std::complex<[u]int64_t>` `cpparray std::complex<[u]int64_t>` `std::complex<float>` `cpparray std::complex<float>` `std::complex<double>` `cpparray std::complex<double>`
复数 `double`	`std::complex<double>` `cpparray std::complex<double>`	`std::complex<float>` `cpparray std::complex<float>`	`std::complex<int64_t>` `cpparray std::complex<int64_t>` `std::complex<uint64_t>` `cpparray std::complex<uint64_t>`	`std::complex<int32_t>` `cpparray std::complex<int32_t>` `std::complex<uint32_t>` `cpparray std::complex<uint32_t>`	`std::complex<int16_t>` `cpparray std::complex<int16_t>` `std::complex<uint16_t>` `cpparray std::complex<uint16_t>`	`std::complex<int8_t>` `cpparray std::complex<int8_t>` `std::complex<uint8_t>` `cpparray std::complex<uint8_t>`
复数 `single`	`std::complex<float>` `cpparray std::complex<float>`	`std::complex<double>` `cpparray std::complex<double>`
复数 `[u]int8`	`std::complex<[u]int8_t>` `cpparray std::complex<[u]int8_t>`	`std::complex<[u]int16_t>` `cpparray std::complex<[u]int16_t>`	`std::complex<[u]int32_t>` `cpparray std::complex<[u]int32_t>`	`std::complex<[u]int64_t>` `cpparray std::complex<[u]int64_t>`	`std::complex<float>` `cpparray std::complex<float>`	`std::complex<double>` `cpparray std::complex<double>`
复数 `[u]int16`	`std::complex<[u]int16_t>` `cpparray std::complex<[u]int16_t>`	`std::complex<[u]int32_t>` `cpparray std::complex<[u]int32_t>`	`std::complex<[u]int64_t>` `cpparray std::complex<[u]int64_t>`	`std::complex<float>` `cpparray std::complex<float>`	`std::complex<double>` `cpparray std::complex<double>`
复数 `[u]int32`	`std::complex<[u]int32_t>` `cpparray std::complex<[u]int32_t>`	`std::complex<[u]int64_t>` `cpparray std::complex<[u]int64_t>`	`std::complex<float>` `cpparray std::complex<float>`	`std::complex<double>` `cpparray std::complex<double>`
复数 `[u]int64`	`std::complex<[u]int64_t>` `cpparray std::complex<[u]int64_t>`	`std::complex<double>` `cpparray std::complex<double>`
`char`	`cpparray char` `char16_t` `cpparray char16_t` `char32_tcpparray char32_t` `wchar_t` `cpparray wchar_t`	`std::string` `std::wstring` `std::u16string` `std::u32string`
`string` 标量请参阅Call Function with Enum Arguments。	`enum`
`string` 数组字符向量元胞数组	`std::vector<std::string>` `std::vector<std::wstring>` `std::vector<std::u16string>` `std::vector<std::u32string>`	`char * []`
C++ 类型 `MyClass` 的 MATLAB 对象	`MyClass` 类型的 C++ 对象

注意

不支持 MATLAB 类的 MATLAB 对象。