//------------------------------------------------------------------------------
// GB_union_jit: C=A+B, C<#M>=A+B eWiseUnion method, via the JIT
//------------------------------------------------------------------------------

// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2023, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0

//------------------------------------------------------------------------------

#include "GB.h"
#include "GB_stringify.h"

typedef GB_JIT_KERNEL_UNION_PROTO ((*GB_jit_dl_function)) ;

GrB_Info GB_union_jit      // C=A+B, C<#M>=A+B, eWiseUnion, via the JIT
(
    // input/output:
    GrB_Matrix C,
    // input:
    const int C_sparsity,
    const GrB_Matrix M,
    const bool Mask_struct,
    const bool Mask_comp,
    const GrB_BinaryOp binaryop,
    const GrB_Matrix A,
    const GrB_Matrix B,
    const GB_void *alpha_scalar_in,
    const GB_void *beta_scalar_in,
    const bool Ch_is_Mh,
    const int64_t *restrict C_to_M,
    const int64_t *restrict C_to_A,
    const int64_t *restrict C_to_B,
    const GB_task_struct *restrict TaskList,
    const int C_ntasks,
    const int C_nthreads,
    const int64_t *restrict M_ek_slicing,
    const int M_nthreads,
    const int M_ntasks,
    const int64_t *restrict A_ek_slicing,
    const int A_nthreads,
    const int A_ntasks,
    const int64_t *restrict B_ek_slicing,
    const int B_nthreads,
    const int B_ntasks
)
{ 

    //--------------------------------------------------------------------------
    // encodify the problem
    //--------------------------------------------------------------------------

    GB_jit_encoding encoding ;
    char *suffix ;
    uint64_t hash = GB_encodify_ewise (&encoding, &suffix,
        GB_JIT_KERNEL_UNION, false,
        false, false, C_sparsity, C->type, M, Mask_struct, Mask_comp,
        binaryop, false, A, B) ;

    //--------------------------------------------------------------------------
    // get the kernel function pointer, loading or compiling it if needed
    //--------------------------------------------------------------------------

    void *dl_function ;
    GrB_Info info = GB_jitifyer_load (&dl_function,
        GB_jit_ewise_family, "union",
        hash, &encoding, suffix, NULL, NULL,
        (GB_Operator) binaryop, C->type, A->type, B->type) ;
    if (info != GrB_SUCCESS) return (info) ;

    //--------------------------------------------------------------------------
    // call the jit kernel and return result
    //--------------------------------------------------------------------------

    // for the "easy mask" condition:
    bool M_is_A = GB_all_aliased (M, A) ;
    bool M_is_B = GB_all_aliased (M, B) ;

    GB_jit_dl_function GB_jit_kernel = (GB_jit_dl_function) dl_function ;
    return (GB_jit_kernel (C, M, A, B, alpha_scalar_in, beta_scalar_in,
        Ch_is_Mh, C_to_M, C_to_A, C_to_B, TaskList, C_ntasks, C_nthreads,
        M_ek_slicing, M_nthreads, M_ntasks, A_ek_slicing, A_nthreads, A_ntasks,
        B_ek_slicing, B_nthreads, B_ntasks, M_is_A, M_is_B)) ;
}