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//! HIP = Heterogeneous-compute Interface for Portability
//!
//! Define an extremely thin runtime layer that allows source code to be compiled unmodified
//! through either AMD HCC or NVCC.   Key features tend to be in the spirit
//! and terminology of CUDA, but with a portable path to other accelerators as well.
//!
//!  This is the master include file for hipblas-common, providing shared functionality
//!  between hipBLAS and hipBLASLt.

#ifndef HIPBLAS_COMMON_H
#define HIPBLAS_COMMON_H

/*! \brief hipblas status codes definition */
typedef enum
{
    HIPBLAS_STATUS_SUCCESS           = 0, /**< Function succeeds */
    HIPBLAS_STATUS_NOT_INITIALIZED   = 1, /**< HIPBLAS library not initialized */
    HIPBLAS_STATUS_ALLOC_FAILED      = 2, /**< resource allocation failed */
    HIPBLAS_STATUS_INVALID_VALUE     = 3, /**< unsupported numerical value was passed to function */
    HIPBLAS_STATUS_MAPPING_ERROR     = 4, /**< access to GPU memory space failed */
    HIPBLAS_STATUS_EXECUTION_FAILED  = 5, /**< GPU program failed to execute */
    HIPBLAS_STATUS_INTERNAL_ERROR    = 6, /**< an internal HIPBLAS operation failed */
    HIPBLAS_STATUS_NOT_SUPPORTED     = 7, /**< function not implemented */
    HIPBLAS_STATUS_ARCH_MISMATCH     = 8, /**< architecture mismatch */
    HIPBLAS_STATUS_HANDLE_IS_NULLPTR = 9, /**< hipBLAS handle is null pointer */
    HIPBLAS_STATUS_INVALID_ENUM      = 10, /**<  unsupported enum value was passed to function */
    HIPBLAS_STATUS_UNKNOWN           = 11, /**<  back-end returned an unsupported status code */
} hipblasStatus_t;

#ifndef HIPBLAS_OPERATION_DECLARED
#define HIPBLAS_OPERATION_DECLARED
/*! \brief Used to specify whether the matrix is to be transposed or not. */
typedef enum
{
    HIPBLAS_OP_N = 111, /**<  Operate with the matrix. */
    HIPBLAS_OP_T = 112, /**<  Operate with the transpose of the matrix. */
    HIPBLAS_OP_C = 113 /**< Operate with the conjugate transpose of the matrix. */
} hipblasOperation_t;

#elif __cplusplus >= 201103L
static_assert(HIPBLAS_OP_N == 111, "Inconsistent declaration of HIPBLAS_OP_N");
static_assert(HIPBLAS_OP_T == 112, "Inconsistent declaration of HIPBLAS_OP_T");
static_assert(HIPBLAS_OP_C == 113, "Inconsistent declaration of HIPBLAS_OP_C");
#endif // HIPBLAS_OPERATION_DECLARED

/*! \brief The compute type to be used. Currently only used with GemmEx with the HIPBLAS_V2 interface.
 *         Note that support for compute types is largely dependent on backend. */
typedef enum
{
    // Note that these types are taken from cuBLAS. With the rocBLAS backend, currently hipBLAS will
    // convert to rocBLAS types to get equivalent functionality where supported.
    HIPBLAS_COMPUTE_16F           = 0, /**< compute will be at least 16-bit precision */
    HIPBLAS_COMPUTE_16F_PEDANTIC  = 1, /**< compute will be exactly 16-bit precision */
    HIPBLAS_COMPUTE_32F           = 2, /**< compute will be at least 32-bit precision */
    HIPBLAS_COMPUTE_32F_PEDANTIC  = 3, /**< compute will be exactly 32-bit precision */
    HIPBLAS_COMPUTE_32F_FAST_16F  = 4, /**< 32-bit input can use 16-bit compute */
    HIPBLAS_COMPUTE_32F_FAST_16BF = 5, /**< 32-bit input can is bf16 compute */
    HIPBLAS_COMPUTE_32F_FAST_TF32
    = 6, /**< 32-bit input can use tensor cores w/ TF32 compute. Only supported with cuBLAS and hipBLASLT backend currently */
    HIPBLAS_COMPUTE_64F          = 7, /**< compute will be at least 64-bit precision */
    HIPBLAS_COMPUTE_64F_PEDANTIC = 8, /**< compute will be exactly 64-bit precision */
    HIPBLAS_COMPUTE_32I          = 9, /**< compute will be at least 32-bit integer precision */
    HIPBLAS_COMPUTE_32I_PEDANTIC = 10, /**< compute will be exactly 32-bit integer precision */
} hipblasComputeType_t;

#endif
