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Add kDLBComplex type to DLDataTypeCode #187

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Add kDLBComplex type to DLDataTypeCode #187

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864bcb4
Add kDLBComplex type to DLDataTypeCode
rgommers May 3, 2026
28170d8
Rename to kDLBcomplex (lowercase c)
rgommers May 28, 2026
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6 changes: 6 additions & 0 deletions include/dlpack/dlpack.h
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Original file line number Diff line number Diff line change
Expand Up @@ -179,6 +179,10 @@ typedef enum {
* while the consumer must stop importing if the value is unexpected.
*/
kDLFloat4_e2m1fn = 17U,
/*! \brief complex number (2x bfloat16)
* (C/C++/Python layout: same as kDLComplex, compact struct per complex number)
*/
kDLBcomplex = 18U,
} DLDataTypeCode;

/*!
Expand All @@ -191,6 +195,8 @@ typedef enum {
* - float4(vectorized 4 float): type_code = 2, bits = 32, lanes = 4
* - int8: type_code = 0, bits = 8, lanes = 1
* - std::complex<float>: type_code = 5, bits = 64, lanes = 1
* - std::complex<std::float16_t>: type_code = 5, bits = 32, lanes = 1
* - std::complex<std::bfloat16_t>: type_code = 18, bits = 32, lanes = 1
* - bool: type_code = 6, bits = 8, lanes = 1 (as per common array library convention, the underlying storage size of bool is 8 bits)
* - float8_e4m3: type_code = 8, bits = 8, lanes = 1 (packed in memory)
* - float6_e3m2fn: type_code = 16, bits = 6, lanes = 1 (packed in memory)
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