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|
//------------------------------------------------------------------------------
// GB_apply_op: typecast and apply a unary/binary/idxunop operator to an array
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
// Cx = op (A)
// Cx and A->x may be aliased.
// This function is CSR/CSC agnostic. For positional ops, A is treated as if
// it is in CSC format. The caller has already modified the op if A is in CSR
// format.
#include "apply/GB_apply.h"
#include "binaryop/GB_binop.h"
#include "jitifyer/GB_stringify.h"
#ifndef GBCOMPACT
#include "GB_control.h"
#include "FactoryKernels/GB_uop__include.h"
#include "FactoryKernels/GB_ew__include.h"
#endif
#define GB_FREE_ALL \
{ \
GB_WERK_POP (A_ek_slicing, int64_t) ; \
}
GrB_Info GB_apply_op // apply a unary op, idxunop, or binop, Cx = op (A)
(
GB_void *Cx, // output array
const GrB_Type ctype, // type of C
const GB_iso_code C_code_iso, // C non-iso, or code to compute C iso value
const GB_Operator op_in, // unary/index-unary/binop to apply
const GrB_Scalar scalar, // scalar to bind to binary operator
bool binop_bind1st, // if true, C=binop(s,A), else C=binop(A,s)
bool flipij, // if true, flip i,j for user idxunop
const GrB_Matrix A, // input matrix
GB_Werk Werk
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GrB_Info info ;
GB_Operator op = op_in ;
ASSERT (Cx != NULL) ;
ASSERT_MATRIX_OK (A, "A input for GB_apply_op", GB0) ;
ASSERT (GB_JUMBLED_OK (A)) ; // A can be jumbled
ASSERT (!GB_ZOMBIES (A)) ;
GB_WERK_DECLARE (A_ek_slicing, int64_t) ;
ASSERT (GB_IMPLIES (op != NULL, ctype == op->ztype)) ;
ASSERT_SCALAR_OK_OR_NULL (scalar, "scalar for GB_apply_op", GB0) ;
//--------------------------------------------------------------------------
// get A
//--------------------------------------------------------------------------
// A->x is not const since the operator might be applied in-place, if
// C is aliased to C.
GB_void *Ax = (GB_void *) A->x ; // A->x has type A->type
const int8_t *Ab = A->b ; // only if A is bitmap
const GrB_Type Atype = A->type ; // type of A->x
const int64_t anz = GB_nnz_held (A) ; // size of A->x and Cx
#define GB_A_IS_BITMAP (Ab != NULL)
//--------------------------------------------------------------------------
// determine the maximum number of threads to use
//--------------------------------------------------------------------------
int nthreads_max = GB_Context_nthreads_max ( ) ;
double chunk = GB_Context_chunk ( ) ;
//--------------------------------------------------------------------------
// get the operator
//--------------------------------------------------------------------------
GB_Opcode opcode ;
bool op_is_unop = false ;
bool op_is_binop = false ;
bool opz64 = false ;
bool opz32 = false ;
if (op != NULL)
{
ASSERT_OP_OK (op, "op for GB_apply_op", GB0) ;
opcode = op->opcode ;
op_is_unop = GB_IS_UNARYOP_CODE (opcode) ;
op_is_binop = GB_IS_BINARYOP_CODE (opcode) ;
ASSERT (!GB_IS_INDEXBINARYOP_CODE (opcode)) ;
opz64 = (op->ztype == GrB_INT64) ;
opz32 = (op->ztype == GrB_INT32) ;
if (GB_IS_BUILTIN_BINOP_CODE_POSITIONAL (opcode))
{
// rename builtin positional binary ops to positional unary ops
GrB_UnaryOp op1 = NULL ;
switch (opcode)
{
case GB_FIRSTI_binop_code : // z = first_i(A(i,j),y) == i
case GB_SECONDI_binop_code : // z = second_i(x,A(i,j)) == i
// rename FIRSTI and SECONDI to POSITIONI
op1 = opz64 ? GxB_POSITIONI_INT64 : GxB_POSITIONI_INT32 ;
break ;
case GB_FIRSTI1_binop_code : // z = first_i1(A(i,j),y) == i+1
case GB_SECONDI1_binop_code : // z = second_i1(x,A(i,j)) == i+1
// rename FIRSTI1 and SECONDI1 to POSITIONI1
op1 = opz64 ? GxB_POSITIONI1_INT64 : GxB_POSITIONI1_INT32 ;
break ;
case GB_FIRSTJ_binop_code : // z = first_j(A(i,j),y) == j
case GB_SECONDJ_binop_code : // z = second_j(x,A(i,j)) == j
// rename FIRSTJ and SECONDJ to POSITIONJ
op1 = opz64 ? GxB_POSITIONJ_INT64 : GxB_POSITIONJ_INT32 ;
break ;
case GB_FIRSTJ1_binop_code : // z = first_j1(A(i,j),y) == j+1
case GB_SECONDJ1_binop_code : // z = second_j1(x,A(i,j)) == j+1
// rename FIRSTJ1 and SECONDJ1 to POSITIONJ1
op1 = opz64 ? GxB_POSITIONJ1_INT64 : GxB_POSITIONJ1_INT32 ;
break ;
default:;
}
ASSERT (op1 != NULL) ;
op = (GB_Operator) op1 ;
ASSERT_OP_OK (op, "revised op for GB_apply_op", GB0) ;
opcode = op->opcode ;
op_is_unop = true ;
op_is_binop = false ;
ASSERT (GB_IS_BUILTIN_UNOP_CODE_POSITIONAL (opcode)) ;
}
}
else
{
// C is iso, with no operator to apply; just call GB_unop_iso below.
ASSERT (C_code_iso == GB_ISO_1 || // C iso value is 1
C_code_iso == GB_ISO_S || // C iso value is the scalar
C_code_iso == GB_ISO_A) ; // C iso value is the iso value of A
opcode = GB_NOP_code ;
}
//--------------------------------------------------------------------------
// determine number of threads to use and slice the A matrix if needed
//--------------------------------------------------------------------------
// int64_t anvec = A->nvec ;
int A_ntasks = 0 ;
int A_nthreads = GB_nthreads (anz, chunk, nthreads_max) ;
info = GrB_NO_VALUE ;
bool depends_on_j = (opcode == GB_USER_idxunop_code) ;
int64_t thunk = 0 ;
if (GB_OPCODE_IS_POSITIONAL (opcode))
{
thunk = GB_positional_offset (opcode, scalar, &depends_on_j) ;
}
//--------------------------------------------------------------------------
// apply the operator
//--------------------------------------------------------------------------
if (GB_OPCODE_IS_POSITIONAL (opcode))
{
//----------------------------------------------------------------------
// apply a positional op
//----------------------------------------------------------------------
ASSERT_OP_OK (op, "positional unop/idxunop: GB_apply_op", GB0) ;
//----------------------------------------------------------------------
// positional op via the CUDA kernel
//----------------------------------------------------------------------
#if defined ( GRAPHBLAS_HAS_CUDA )
if (GB_cuda_apply_unop_branch (ctype, A, op))
{
info = GB_cuda_apply_unop (Cx, ctype, op, flipij, A,
(GB_void *) &thunk) ;
}
#endif
//----------------------------------------------------------------------
// positional op via the CPU factory kernel
//----------------------------------------------------------------------
if (info == GrB_NO_VALUE)
{
// get A and C
GB_Ap_DECLARE (Ap, const) ; GB_Ap_PTR (Ap, A) ;
GB_Ah_DECLARE (Ah, const) ; GB_Ah_PTR (Ah, A) ;
GB_Ai_DECLARE (Ai, const) ; GB_Ai_PTR (Ai, A) ;
int64_t avlen = A->vlen ;
if (depends_on_j)
{
// slice the entries for each task
GB_SLICE_MATRIX2 (A, 32) ;
}
//------------------------------------------------------------------
// Cx = positional_op (A)
//------------------------------------------------------------------
if (opz64)
{
//--------------------------------------------------------------
// int64 Cx = positional_op (A)
//--------------------------------------------------------------
int64_t *restrict Cz = (int64_t *) Cx ;
switch (opcode)
{
case GB_POSITIONI_unop_code : // z = pos_i(A(i,j)) == i
case GB_POSITIONI1_unop_code : // z = pos_i1(A(i,j)) == i+1
case GB_ROWINDEX_idxunop_code : // z = i+thunk
#define GB_APPLY_OP(pC,pA) \
int64_t i = GBi_A (Ai, pA, avlen) ; \
Cz [pC] = (i + thunk) ;
#include "apply/template/GB_apply_unop_ip_template.c"
break ;
case GB_POSITIONJ_unop_code : // z = pos_j(A(i,j)) == j
case GB_POSITIONJ1_unop_code : // z = pos_j1(A(i,j)) == j+1
case GB_COLINDEX_idxunop_code : // z = j+thunk
#define GB_APPLY_OP(pC,pA) \
Cz [pC] = (j + thunk) ;
#include "apply/template/GB_apply_unop_ijp_template.c"
break ;
case GB_DIAGINDEX_idxunop_code : // z = (j-(i+thunk)
#define GB_APPLY_OP(pC,pA) \
int64_t i = GBi_A (Ai, pA, avlen) ; \
Cz [pC] = (j - (i+thunk)) ;
#include "apply/template/GB_apply_unop_ijp_template.c"
break ;
case GB_FLIPDIAGINDEX_idxunop_code : // z = (i-(j+thunk)
#define GB_APPLY_OP(pC,pA) \
int64_t i = GBi_A (Ai, pA, avlen) ; \
Cz [pC] = (i - (j+thunk)) ;
#include "apply/template/GB_apply_unop_ijp_template.c"
break ;
default: ;
}
}
else if (opz32)
{
//--------------------------------------------------------------
// int32 Cx = positional_op (A)
//--------------------------------------------------------------
int32_t *restrict Cz = (int32_t *) Cx ;
switch (opcode)
{
case GB_POSITIONI_unop_code : // z = pos_i(A(i,j)) == i
case GB_POSITIONI1_unop_code : // z = pos_i1(A(i,j)) == i+1
case GB_ROWINDEX_idxunop_code : // z = i+thunk
#define GB_APPLY_OP(pC,pA) \
int64_t i = GBi_A (Ai, pA, avlen) ; \
Cz [pC] = (int32_t) (i + thunk) ;
#include "apply/template/GB_apply_unop_ip_template.c"
break ;
case GB_POSITIONJ_unop_code : // z = pos_j(A(i,j)) == j
case GB_POSITIONJ1_unop_code : // z = pos_j1(A(i,j)) == j+1
case GB_COLINDEX_idxunop_code : // z = j+thunk
#define GB_APPLY_OP(pC,pA) \
Cz [pC] = (int32_t) (j + thunk) ;
#include "apply/template/GB_apply_unop_ijp_template.c"
break ;
case GB_DIAGINDEX_idxunop_code : // z = (j-(i+thunk)
#define GB_APPLY_OP(pC,pA) \
int64_t i = GBi_A (Ai, pA, avlen) ; \
Cz [pC] = (int32_t) (j - (i+thunk)) ;
#include "apply/template/GB_apply_unop_ijp_template.c"
break ;
case GB_FLIPDIAGINDEX_idxunop_code : // z = (i-(j+thunk)
#define GB_APPLY_OP(pC,pA) \
int64_t i = GBi_A (Ai, pA, avlen) ; \
Cz [pC] = (int32_t) (i - (j+thunk)) ;
#include "apply/template/GB_apply_unop_ijp_template.c"
break ;
default: ;
}
}
else
{
//--------------------------------------------------------------
// bool Cx = positional_op (A)
//--------------------------------------------------------------
ASSERT (op->ztype == GrB_BOOL) ;
bool *restrict Cz = (bool *) Cx ;
switch (opcode)
{
case GB_TRIL_idxunop_code : // z = (j <= (i+thunk))
#define GB_APPLY_OP(pC,pA) \
int64_t i = GBi_A (Ai, pA, avlen) ; \
Cz [pC] = (j <= (i + thunk)) ;
#include "apply/template/GB_apply_unop_ijp_template.c"
break ; ;
case GB_TRIU_idxunop_code : // z = (j >= (i+thunk))
#define GB_APPLY_OP(pC,pA) \
int64_t i = GBi_A (Ai, pA, avlen) ; \
Cz [pC] = (j >= (i + thunk)) ;
#include "apply/template/GB_apply_unop_ijp_template.c"
break ; ;
case GB_DIAG_idxunop_code : // z = (j == (i+thunk))
#define GB_APPLY_OP(pC,pA) \
int64_t i = GBi_A (Ai, pA, avlen) ; \
Cz [pC] = (j == (i + thunk)) ;
#include "apply/template/GB_apply_unop_ijp_template.c"
break ; ;
case GB_OFFDIAG_idxunop_code : // z = (j != (i+thunk))
#define GB_APPLY_OP(pC,pA) \
int64_t i = GBi_A (Ai, pA, avlen) ; \
Cz [pC] = (j != (i + thunk)) ;
#include "apply/template/GB_apply_unop_ijp_template.c"
break ; ;
case GB_COLLE_idxunop_code : // z = (j <= thunk)
#define GB_APPLY_OP(pC,pA) \
Cz [pC] = (j <= thunk) ;
#include "apply/template/GB_apply_unop_ijp_template.c"
break ; ;
case GB_COLGT_idxunop_code : // z = (j > thunk)
#define GB_APPLY_OP(pC,pA) \
Cz [pC] = (j > thunk) ;
#include "apply/template/GB_apply_unop_ijp_template.c"
break ; ;
case GB_ROWLE_idxunop_code : // z = (i <= thunk)
#define GB_APPLY_OP(pC,pA) \
int64_t i = GBi_A (Ai, pA, avlen) ; \
Cz [pC] = (i <= thunk) ;
#include "apply/template/GB_apply_unop_ip_template.c"
break ; ;
case GB_ROWGT_idxunop_code : // z = (i > thunk)
#define GB_APPLY_OP(pC,pA) \
int64_t i = GBi_A (Ai, pA, avlen) ; \
Cz [pC] = (i > thunk) ;
#include "apply/template/GB_apply_unop_ip_template.c"
break ; ;
default: ;
}
}
info = GrB_SUCCESS ;
}
}
else if (C_code_iso != GB_NON_ISO)
{
//----------------------------------------------------------------------
// via the iso kernel, in O(1) time
//----------------------------------------------------------------------
GBURBLE ("(iso apply) ") ;
ASSERT_MATRIX_OK (A, "A passing to GB_unop_iso", GB0) ;
if (anz > 0)
{
// Cx [0] = unop (A), binop (scalar,A), or binop (A,scalar)
GB_unop_iso (Cx, ctype, C_code_iso, op, A, scalar) ;
}
info = GrB_SUCCESS ;
}
else if (op_is_unop)
{
//----------------------------------------------------------------------
// apply a unary op
//----------------------------------------------------------------------
ASSERT_OP_OK (op, "unop for GB_apply_op", GB0) ;
ASSERT (!A->iso) ;
//----------------------------------------------------------------------
// unary op via the CUDA kernel
//----------------------------------------------------------------------
#if defined ( GRAPHBLAS_HAS_CUDA )
if (GB_cuda_apply_unop_branch (ctype, A, op))
{
info = GB_cuda_apply_unop (Cx, ctype, op, flipij, A, NULL) ;
}
#endif
//----------------------------------------------------------------------
// unary op via the factory kernel
//----------------------------------------------------------------------
#ifndef GBCOMPACT
if (info == GrB_NO_VALUE)
{
GB_IF_FACTORY_KERNELS_ENABLED
{
if (Atype == op->xtype || opcode == GB_IDENTITY_unop_code)
{
// The switch factory is used if the op is IDENTITY, or if
// no typecasting. IDENTITY operator can do arbitrary
// typecasting (it is not used if no typecasting is done).
//----------------------------------------------------------
// define the worker for the switch factory
//----------------------------------------------------------
#define GB_uop_apply(unop,zname,aname) \
GB (_uop_apply_ ## unop ## zname ## aname)
#define GB_WORKER(unop,zname,ztype,aname,atype) \
{ \
info = GB_uop_apply (unop,zname,aname) (Cx, Ax, Ab, \
anz, A_nthreads) ; \
} \
break ;
//----------------------------------------------------------
// launch the switch factory
//----------------------------------------------------------
#include "apply/factory/GB_unop_factory.c"
}
}
}
#endif
//----------------------------------------------------------------------
// unary op via the JIT or PreJIT kernel
//----------------------------------------------------------------------
if (info == GrB_NO_VALUE)
{
info = GB_apply_unop_jit (Cx, ctype, op, flipij, A,
NULL, NULL, 0, A_nthreads) ;
}
//----------------------------------------------------------------------
// unary op via the generic kernel
//----------------------------------------------------------------------
if (info == GrB_NO_VALUE)
{
GB_BURBLE_N (anz, "(generic unop apply: %s) ", op->name) ;
size_t asize = Atype->size ;
size_t zsize = op->ztype->size ;
size_t xsize = op->xtype->size ;
GB_Type_code acode = Atype->code ;
GB_Type_code xcode = op->xtype->code ;
GB_cast_function cast_A_to_X = GB_cast_factory (xcode, acode) ;
GxB_unary_function fop = op->unop_function ;
#define GB_APPLY_OP(pC,pA) \
/* xwork = (xtype) Ax [pA] */ \
GB_void xwork [GB_VLA(xsize)] ; \
cast_A_to_X (xwork, Ax +(pA)*asize, asize) ; \
/* Cx [pC] = fop (xwork) */ \
fop (Cx +((pC)*zsize), xwork) ;
#include "apply/template/GB_apply_unop_ip_template.c"
info = GrB_SUCCESS ;
}
}
else if (op_is_binop)
{
//----------------------------------------------------------------------
// apply a binary operator (bound to a scalar)
//----------------------------------------------------------------------
ASSERT_OP_OK (op, "standard binop for GB_apply_op", GB0) ;
ASSERT_SCALAR_OK (scalar, "scalar for GB_apply_op", GB0) ;
GB_Type_code xcode, ycode, zcode ;
ASSERT (opcode != GB_FIRST_binop_code) ;
ASSERT (opcode != GB_SECOND_binop_code) ;
ASSERT (opcode != GB_PAIR_binop_code) ;
ASSERT (opcode != GB_ANY_binop_code) ;
ASSERT (opcode != GB_USER_idxbinop_code) ;
size_t asize = Atype->size ;
size_t ssize = scalar->type->size ;
size_t zsize = op->ztype->size ;
size_t xsize = op->xtype->size ;
size_t ysize = op->ytype->size ;
GB_Type_code scalar_code = scalar->type->code ;
xcode = op->xtype->code ;
ycode = op->ytype->code ;
// typecast the scalar to the operator input
size_t ssize_cast ;
GB_Type_code scalar_code_cast ;
if (binop_bind1st)
{
ssize_cast = xsize ;
scalar_code_cast = xcode ;
}
else
{
ssize_cast = ysize ;
scalar_code_cast = ycode ;
}
GB_void swork [GB_VLA(ssize_cast)] ;
GB_void *scalarx = (GB_void *) scalar->x ;
if (scalar_code_cast != scalar_code)
{
// typecast the scalar to the operator input, in swork
GB_cast_function cast_s =
GB_cast_factory (scalar_code_cast, scalar_code) ;
cast_s (swork, scalar->x, ssize) ;
scalarx = swork ;
}
if (binop_bind1st)
{
//------------------------------------------------------------------
// binary op (bind 1st) via the CUDA kernel
//------------------------------------------------------------------
#if defined ( GRAPHBLAS_HAS_CUDA )
if (GB_cuda_apply_binop_branch (ctype, (GrB_BinaryOp) op, A))
{
info = GB_cuda_apply_binop (Cx, ctype, (GrB_BinaryOp) op, A,
scalarx, true) ;
}
#endif
//------------------------------------------------------------------
// binary op (bind 1st) via the CPU factory kernel
//------------------------------------------------------------------
#ifndef GBCOMPACT
if (info == GrB_NO_VALUE)
{
GB_IF_FACTORY_KERNELS_ENABLED
{
if (GB_binop_builtin (op->xtype, false, Atype, false,
(GrB_BinaryOp) op, false, &opcode, &xcode, &ycode,
&zcode))
{
//------------------------------------------------------
// define the worker for the switch factory
//------------------------------------------------------
#define GB_bind1st(binop,xname) \
GB (_bind1st_ ## binop ## xname)
#define GB_BINOP_WORKER(binop,xname) \
{ \
info = GB_bind1st (binop, xname) (Cx, scalarx, Ax, \
Ab, anz, A_nthreads) ; \
} \
break ;
//------------------------------------------------------
// launch the switch factory
//------------------------------------------------------
#define GB_NO_FIRST
#define GB_NO_SECOND
#define GB_NO_PAIR
#include "binaryop/factory/GB_binop_factory.c"
}
}
}
#endif
//------------------------------------------------------------------
// binary op (bind 1st) via the JIT or PreJIT kernel
//------------------------------------------------------------------
if (info == GrB_NO_VALUE)
{
info = GB_apply_bind1st_jit (Cx, ctype,
(GrB_BinaryOp) op, scalarx, A, A_nthreads) ;
}
}
else
{
//------------------------------------------------------------------
// binary op (bind 2nd) via the CUDA kernel
//------------------------------------------------------------------
#if defined ( GRAPHBLAS_HAS_CUDA )
if (GB_cuda_apply_binop_branch (ctype, (GrB_BinaryOp) op, A))
{
info = GB_cuda_apply_binop (Cx, ctype, (GrB_BinaryOp) op, A,
scalarx, false) ;
}
#endif
//------------------------------------------------------------------
// binary op (bind 2nd) via the CPU factory kernel
//------------------------------------------------------------------
#ifndef GBCOMPACT
if (info == GrB_NO_VALUE)
{
GB_IF_FACTORY_KERNELS_ENABLED
{
if (GB_binop_builtin (Atype, false, op->ytype, false,
(GrB_BinaryOp) op, false, &opcode, &xcode, &ycode,
&zcode))
{
//------------------------------------------------------
// define the worker for the switch factory
//------------------------------------------------------
#define GB_bind2nd(binop,xname) \
GB (_bind2nd_ ## binop ## xname)
#undef GB_BINOP_WORKER
#define GB_BINOP_WORKER(binop,xname) \
{ \
info = GB_bind2nd (binop, xname) (Cx, Ax, scalarx,\
Ab, anz, A_nthreads) ; \
} \
break ;
//------------------------------------------------------
// launch the switch factory
//------------------------------------------------------
#define GB_NO_FIRST
#define GB_NO_SECOND
#define GB_NO_PAIR
#include "binaryop/factory/GB_binop_factory.c"
}
}
}
#endif
//------------------------------------------------------------------
// binary op (bind 2nd) via the JIT or PreJIT kernel
//------------------------------------------------------------------
if (info == GrB_NO_VALUE)
{
info = GB_apply_bind2nd_jit (Cx, ctype,
(GrB_BinaryOp) op, A, scalarx, A_nthreads) ;
}
}
//----------------------------------------------------------------------
// binary op (bind 1st or 2nd) via the generic kernel
//----------------------------------------------------------------------
if (info == GrB_NO_VALUE)
{
GB_BURBLE_N (anz, "(generic binop apply: %s) ", op->name) ;
GB_Type_code acode = Atype->code ;
GxB_binary_function fop = op->binop_function ;
ASSERT (fop != NULL) ;
ASSERT (!A->iso) ;
if (binop_bind1st)
{
// Cx = binop (scalar,Ax) with bind1st
GB_cast_function cast_A_to_Y = GB_cast_factory (ycode, acode) ;
#define GB_APPLY_OP(pC,pA) \
/* ywork = (ytype) Ax [pA] */ \
GB_void ywork [GB_VLA(ysize)] ; \
cast_A_to_Y (ywork, Ax +(pA)*asize, asize) ; \
/* Cx [pC] = fop (scalarx, ywork) */ \
fop (Cx +((pC)*zsize), scalarx, ywork) ;
#include "apply/template/GB_apply_unop_ip_template.c"
}
else
{
// Cx = binop (Ax,scalar) with bind2nd
GB_cast_function cast_A_to_X = GB_cast_factory (xcode, acode) ;
#define GB_APPLY_OP(pC,pA) \
/* xwork = (xtype) Ax [pA] */ \
GB_void xwork [GB_VLA(xsize)] ; \
cast_A_to_X (xwork, Ax +(pA)*asize, asize) ; \
/* Cx [pC] = fop (xwork, scalarx) */ \
fop (Cx +((pC)*zsize), xwork, scalarx) ;
#include "apply/template/GB_apply_unop_ip_template.c"
}
info = GrB_SUCCESS ;
}
}
else
{
//----------------------------------------------------------------------
// apply a user-defined index_unary op
//----------------------------------------------------------------------
// All valued GrB_IndexUnaryOps (GrB_VALUE*) have already been
// renamed to their corresponding binary op (GrB_VALUEEQ_FP32
// became GrB_EQ_FP32, for example). The only remaining index
// unary ops are positional, and user-defined. Positional ops have
// been handled above, so only user-defined index unary ops are
// left.
ASSERT (opcode == GB_USER_idxunop_code) ;
size_t ssize = scalar->type->size ;
size_t ysize = op->ytype->size ;
GB_Type_code scalar_code = scalar->type->code ;
GB_Type_code ycode = op->ytype->code ;
GB_void ywork [GB_VLA(ysize)] ;
GB_void *ythunk = (GB_void *) scalar->x ;
if (ycode != scalar_code)
{
// typecast the scalar to the operator input, in ywork
GB_cast_function cast_s = GB_cast_factory (ycode, scalar_code) ;
cast_s (ywork, scalar->x, ssize) ;
ythunk = ywork ;
}
//----------------------------------------------------------------------
// user-defined index-unary op via the CUDA kernel
//----------------------------------------------------------------------
#if defined ( GRAPHBLAS_HAS_CUDA )
if (GB_cuda_apply_unop_branch (ctype, A, op))
{
info = GB_cuda_apply_unop (Cx, ctype, op, flipij, A, ythunk) ;
}
#endif
//----------------------------------------------------------------------
// user-defined index-unary op via the JIT or PreJIT kernel
//----------------------------------------------------------------------
if (info == GrB_NO_VALUE)
{
if (depends_on_j)
{
// slice the entries for each task
GB_SLICE_MATRIX2 (A, 32) ;
}
info = GB_apply_unop_jit (Cx, ctype, op, flipij, A,
ythunk, A_ek_slicing, A_ntasks, A_nthreads) ;
}
//----------------------------------------------------------------------
// user-defined index-unary op via the generic kernel
//----------------------------------------------------------------------
if (info == GrB_NO_VALUE)
{
GB_BURBLE_N (anz, "(generic apply: user-defined idxunop) ") ;
// get A and C
GB_Ap_DECLARE (Ap, const) ; GB_Ap_PTR (Ap, A) ;
GB_Ah_DECLARE (Ah, const) ; GB_Ah_PTR (Ah, A) ;
GB_Ai_DECLARE (Ai, const) ; GB_Ai_PTR (Ai, A) ;
int64_t avlen = A->vlen ;
GB_Type_code acode = Atype->code ;
// A can be iso-valued, but C is not
bool A_iso = A->iso ;
ASSERT (C_code_iso == GB_NON_ISO) ;
if (A_iso)
{
GB_BURBLE_N (anz, "(A iso; C non-iso) ") ;
}
GxB_index_unary_function fop = op->idxunop_function ;
size_t asize = Atype->size ;
size_t zsize = op->ztype->size ;
size_t xsize = op->xtype->size ;
GB_Type_code xcode = op->xtype->code ;
GB_cast_function cast_A_to_X = GB_cast_factory (xcode, acode) ;
// Cx [pC] = op (Ax [A_iso ? 0 : pA], i, j, ythunk)
#define GB_APPLY_OP(pC,pA) \
int64_t i = GBi_A (Ai, pA, avlen) ; \
GB_void xwork [GB_VLA(xsize)] ; \
cast_A_to_X (xwork, Ax +(A_iso ? 0 : (pA))*asize, asize) ; \
fop (Cx +((pC)*zsize), xwork, \
flipij ? j : i, flipij ? i : j, ythunk) ;
#include "apply/template/GB_apply_unop_ijp_template.c"
info = GrB_SUCCESS ;
}
}
//--------------------------------------------------------------------------
// free workspace and return result
//--------------------------------------------------------------------------
GB_FREE_ALL ;
return (info) ;
}
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