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//------------------------------------------------------------------------------
// GB_mx_string_to_IndexUnaryOp.c: get GraphBLAS operator from built-in strings
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
#include "GB_mex.h"
// opname_mx: a built-in string defining the operator name:
// rowindex, colindex, diagindex, tril, triu, diag, offdiag, colle, colgt,
// rowle, rowgt, valueeq, valuene, valuelt, valuele, valuegt, valuege
// optype_mx: a built-in string defining one of 11 operator types:
// 'logical', 'int8', 'uint8', 'int16', 'uint16', 'int32', 'uint32', 'int64',
// 'uint64', 'single', 'double', 'single complex', or 'double complex'
// default_optype: default operator type if optype_mx is NULL or if
// the type is not part of the string
bool GB_mx_string_to_IndexUnaryOp // true if successful, false otherwise
(
GrB_IndexUnaryOp *op_handle, // the op
const GrB_Type default_optype, // default operator type
const mxArray *opname_mx, // built-in string with operator name
const mxArray *optype_mx // built-in string with operator type
)
{
(*op_handle) = NULL ;
GrB_IndexUnaryOp op = NULL ;
//--------------------------------------------------------------------------
// get the string
//--------------------------------------------------------------------------
#define LEN 256
char opname [LEN+2] ;
int len = GB_mx_mxArray_to_string (opname, LEN, opname_mx) ;
if (len < 0)
{
return (false) ;
}
if (len == 0)
{
op = NULL ; // op is not present
return (true) ;
}
// get the optype from the optype_mx string, if present
GrB_Type optype = GB_mx_string_to_Type (optype_mx, default_optype) ;
if (optype == NULL)
{
mexWarnMsgIdAndTxt ("GB:warn", "unrecognized op type") ;
return (false) ;
}
if (optype == Complex) optype = GxB_FC64 ;
//--------------------------------------------------------------------------
// convert the string to a builtin GraphBLAS idxunop operator
//--------------------------------------------------------------------------
GB_Opcode opcode ;
// rowindex, colindex, diagindex, tril, triu, diag, offdiag, colle, colgt,
// rowle, rowgt, valueeq, valuene, valuelt, valuele, valuegt, valuege
if (MATCH (opname, "rowindex" )) { opcode = GB_ROWINDEX_idxunop_code ; }
else if (MATCH (opname, "colindex" )) { opcode = GB_COLINDEX_idxunop_code ; }
else if (MATCH (opname, "diagindex")) { opcode = GB_DIAGINDEX_idxunop_code; }
else if (MATCH (opname, "tril" )) { opcode = GB_TRIL_idxunop_code ; }
else if (MATCH (opname, "triu" )) { opcode = GB_TRIU_idxunop_code ; }
else if (MATCH (opname, "diag" )) { opcode = GB_DIAG_idxunop_code ; }
else if (MATCH (opname, "offdiag" )) { opcode = GB_OFFDIAG_idxunop_code ; }
else if (MATCH (opname, "colle" )) { opcode = GB_COLLE_idxunop_code ; }
else if (MATCH (opname, "colgt" )) { opcode = GB_COLGT_idxunop_code ; }
else if (MATCH (opname, "rowle" )) { opcode = GB_ROWLE_idxunop_code ; }
else if (MATCH (opname, "rowgt" )) { opcode = GB_ROWGT_idxunop_code ; }
else if (MATCH (opname, "valueeq" )) { opcode = GB_VALUEEQ_idxunop_code ; }
else if (MATCH (opname, "valuene" )) { opcode = GB_VALUENE_idxunop_code ; }
else if (MATCH (opname, "valuegt" )) { opcode = GB_VALUEGT_idxunop_code ; }
else if (MATCH (opname, "valuege" )) { opcode = GB_VALUEGE_idxunop_code ; }
else if (MATCH (opname, "valuelt" )) { opcode = GB_VALUELT_idxunop_code ; }
else if (MATCH (opname, "valuele" )) { opcode = GB_VALUELE_idxunop_code ; }
else
{
mexWarnMsgIdAndTxt ("GB:warn", "unrecognized function name") ;
return (false) ;
}
GB_Type_code xcode = optype->code ;
switch (opcode)
{
// Result is INT32 or INT64, depending on i and/or j, and thunk:
case GB_ROWINDEX_idxunop_code : // (i+thunk): row index - thunk
switch (xcode)
{
case GB_INT32_code : op = GrB_ROWINDEX_INT32 ; break ;
case GB_INT64_code : op = GrB_ROWINDEX_INT64 ; break ;
default :
mexWarnMsgIdAndTxt ("GB:warn","unknown operator") ;
return (false) ;
}
break ;
case GB_COLINDEX_idxunop_code : // (j+thunk): col index - thunk
switch (xcode)
{
case GB_INT32_code : op = GrB_COLINDEX_INT32 ; break ;
case GB_INT64_code : op = GrB_COLINDEX_INT64 ; break ;
default :
mexWarnMsgIdAndTxt ("GB:warn","unknown operator") ;
return (false) ;
}
break ;
case GB_DIAGINDEX_idxunop_code : // (j-(i+thunk)): diag index + thunk
switch (xcode)
{
case GB_INT32_code : op = GrB_DIAGINDEX_INT32 ; break ;
case GB_INT64_code : op = GrB_DIAGINDEX_INT64 ; break ;
default :
mexWarnMsgIdAndTxt ("GB:warn","unknown operator") ;
return (false) ;
}
break ;
// Result is BOOL, depending on i and/or j, and thunk:
case GB_TRIL_idxunop_code : // (j <= (i+thunk)): tril (A,thunk)
switch (xcode)
{
case GB_INT64_code : op = GrB_TRIL ; break ;
default :
mexWarnMsgIdAndTxt ("GB:warn","unknown operator") ;
return (false) ;
}
break ;
case GB_TRIU_idxunop_code : // (j >= (i+thunk)): triu (A,thunk)
switch (xcode)
{
case GB_INT64_code : op = GrB_TRIU ; break ;
default :
mexWarnMsgIdAndTxt ("GB:warn","unknown operator") ;
return (false) ;
}
break ;
case GB_DIAG_idxunop_code : // (j == (i+thunk)): diag(A,thunk)
switch (xcode)
{
case GB_INT64_code : op = GrB_DIAG; break ;
default :
mexWarnMsgIdAndTxt ("GB:warn","unknown operator") ;
return (false) ;
}
break ;
case GB_OFFDIAG_idxunop_code : // (j != (i+thunk)): offdiag(A,thunk)
switch (xcode)
{
case GB_INT64_code : op = GrB_OFFDIAG; break ;
default :
mexWarnMsgIdAndTxt ("GB:warn","unknown operator") ;
return (false) ;
}
break ;
case GB_COLLE_idxunop_code : // (j <= thunk): A (:,0:thunk)
switch (xcode)
{
case GB_INT64_code : op = GrB_COLLE; break ;
default :
mexWarnMsgIdAndTxt ("GB:warn","unknown operator") ;
return (false) ;
}
break ;
case GB_COLGT_idxunop_code : // (j > thunk): A (:,thunk+1:ncols-1)
switch (xcode)
{
case GB_INT64_code : op = GrB_COLGT; break ;
default :
mexWarnMsgIdAndTxt ("GB:warn","unknown operator") ;
return (false) ;
}
break ;
case GB_ROWLE_idxunop_code : // (i <= thunk): A (0:thunk,:)
switch (xcode)
{
case GB_INT64_code : op = GrB_ROWLE; break ;
default :
mexWarnMsgIdAndTxt ("GB:warn","unknown operator") ;
return (false) ;
}
break ;
case GB_ROWGT_idxunop_code : // (i > thunk): A (thunk+1:nrows-1,:)
switch (xcode)
{
case GB_INT64_code : op = GrB_ROWGT; break ;
default :
mexWarnMsgIdAndTxt ("GB:warn","unknown operator") ;
return (false) ;
}
break ;
// Result is BOOL, depending on the value aij and thunk:
case GB_VALUENE_idxunop_code : // (aij != thunk)
switch (xcode)
{
case GB_BOOL_code : op = GrB_VALUENE_BOOL ; break ;
case GB_INT8_code : op = GrB_VALUENE_INT8 ; break ;
case GB_INT16_code : op = GrB_VALUENE_INT16 ; break ;
case GB_INT32_code : op = GrB_VALUENE_INT32 ; break ;
case GB_INT64_code : op = GrB_VALUENE_INT64 ; break ;
case GB_UINT8_code : op = GrB_VALUENE_UINT8 ; break ;
case GB_UINT16_code : op = GrB_VALUENE_UINT16 ; break ;
case GB_UINT32_code : op = GrB_VALUENE_UINT32 ; break ;
case GB_UINT64_code : op = GrB_VALUENE_UINT64 ; break ;
case GB_FP32_code : op = GrB_VALUENE_FP32 ; break ;
case GB_FP64_code : op = GrB_VALUENE_FP64 ; break ;
case GB_FC32_code : op = GxB_VALUENE_FC32 ; break ;
case GB_FC64_code : op = GxB_VALUENE_FC64 ; break ;
default :
mexWarnMsgIdAndTxt ("GB:warn","unknown operator") ;
return (false) ;
}
break ;
case GB_VALUEEQ_idxunop_code : // (aij == thunk)
switch (xcode)
{
case GB_BOOL_code : op = GrB_VALUEEQ_BOOL ; break ;
case GB_INT8_code : op = GrB_VALUEEQ_INT8 ; break ;
case GB_INT16_code : op = GrB_VALUEEQ_INT16 ; break ;
case GB_INT32_code : op = GrB_VALUEEQ_INT32 ; break ;
case GB_INT64_code : op = GrB_VALUEEQ_INT64 ; break ;
case GB_UINT8_code : op = GrB_VALUEEQ_UINT8 ; break ;
case GB_UINT16_code : op = GrB_VALUEEQ_UINT16 ; break ;
case GB_UINT32_code : op = GrB_VALUEEQ_UINT32 ; break ;
case GB_UINT64_code : op = GrB_VALUEEQ_UINT64 ; break ;
case GB_FP32_code : op = GrB_VALUEEQ_FP32 ; break ;
case GB_FP64_code : op = GrB_VALUEEQ_FP64 ; break ;
case GB_FC32_code : op = GxB_VALUEEQ_FC32 ; break ;
case GB_FC64_code : op = GxB_VALUEEQ_FC64 ; break ;
default :
mexWarnMsgIdAndTxt ("GB:warn","unknown operator") ;
return (false) ;
}
break ;
case GB_VALUEGT_idxunop_code : // (aij > thunk)
switch (xcode)
{
case GB_BOOL_code : op = GrB_VALUEGT_BOOL ; break ;
case GB_INT8_code : op = GrB_VALUEGT_INT8 ; break ;
case GB_INT16_code : op = GrB_VALUEGT_INT16 ; break ;
case GB_INT32_code : op = GrB_VALUEGT_INT32 ; break ;
case GB_INT64_code : op = GrB_VALUEGT_INT64 ; break ;
case GB_UINT8_code : op = GrB_VALUEGT_UINT8 ; break ;
case GB_UINT16_code : op = GrB_VALUEGT_UINT16 ; break ;
case GB_UINT32_code : op = GrB_VALUEGT_UINT32 ; break ;
case GB_UINT64_code : op = GrB_VALUEGT_UINT64 ; break ;
case GB_FP32_code : op = GrB_VALUEGT_FP32 ; break ;
case GB_FP64_code : op = GrB_VALUEGT_FP64 ; break ;
default :
mexWarnMsgIdAndTxt ("GB:warn","unknown operator") ;
return (false) ;
}
break ;
case GB_VALUEGE_idxunop_code : // (aij >= thunk)
switch (xcode)
{
case GB_BOOL_code : op = GrB_VALUEGE_BOOL ; break ;
case GB_INT8_code : op = GrB_VALUEGE_INT8 ; break ;
case GB_INT16_code : op = GrB_VALUEGE_INT16 ; break ;
case GB_INT32_code : op = GrB_VALUEGE_INT32 ; break ;
case GB_INT64_code : op = GrB_VALUEGE_INT64 ; break ;
case GB_UINT8_code : op = GrB_VALUEGE_UINT8 ; break ;
case GB_UINT16_code : op = GrB_VALUEGE_UINT16 ; break ;
case GB_UINT32_code : op = GrB_VALUEGE_UINT32 ; break ;
case GB_UINT64_code : op = GrB_VALUEGE_UINT64 ; break ;
case GB_FP32_code : op = GrB_VALUEGE_FP32 ; break ;
case GB_FP64_code : op = GrB_VALUEGE_FP64 ; break ;
default :
mexWarnMsgIdAndTxt ("GB:warn","unknown operator") ;
return (false) ;
}
break ;
case GB_VALUELT_idxunop_code : // (aij < thunk)
switch (xcode)
{
case GB_BOOL_code : op = GrB_VALUELT_BOOL ; break ;
case GB_INT8_code : op = GrB_VALUELT_INT8 ; break ;
case GB_INT16_code : op = GrB_VALUELT_INT16 ; break ;
case GB_INT32_code : op = GrB_VALUELT_INT32 ; break ;
case GB_INT64_code : op = GrB_VALUELT_INT64 ; break ;
case GB_UINT8_code : op = GrB_VALUELT_UINT8 ; break ;
case GB_UINT16_code : op = GrB_VALUELT_UINT16 ; break ;
case GB_UINT32_code : op = GrB_VALUELT_UINT32 ; break ;
case GB_UINT64_code : op = GrB_VALUELT_UINT64 ; break ;
case GB_FP32_code : op = GrB_VALUELT_FP32 ; break ;
case GB_FP64_code : op = GrB_VALUELT_FP64 ; break ;
default :
mexWarnMsgIdAndTxt ("GB:warn","unknown operator") ;
return (false) ;
}
break ;
case GB_VALUELE_idxunop_code : // (aij <= thunk)
switch (xcode)
{
case GB_BOOL_code : op = GrB_VALUELE_BOOL ; break ;
case GB_INT8_code : op = GrB_VALUELE_INT8 ; break ;
case GB_INT16_code : op = GrB_VALUELE_INT16 ; break ;
case GB_INT32_code : op = GrB_VALUELE_INT32 ; break ;
case GB_INT64_code : op = GrB_VALUELE_INT64 ; break ;
case GB_UINT8_code : op = GrB_VALUELE_UINT8 ; break ;
case GB_UINT16_code : op = GrB_VALUELE_UINT16 ; break ;
case GB_UINT32_code : op = GrB_VALUELE_UINT32 ; break ;
case GB_UINT64_code : op = GrB_VALUELE_UINT64 ; break ;
case GB_FP32_code : op = GrB_VALUELE_FP32 ; break ;
case GB_FP64_code : op = GrB_VALUELE_FP64 ; break ;
default :
mexWarnMsgIdAndTxt ("GB:warn","unknown operator") ;
return (false) ;
}
break ;
default :
mexWarnMsgIdAndTxt ("GB:warn","unknown idxunop operator") ;
return (false) ;
}
//--------------------------------------------------------------------------
// return result
//--------------------------------------------------------------------------
// return the idxunop operator to the caller
ASSERT_INDEXUNARYOP_OK (op, "got idxunop op", GB0) ;
(*op_handle) = op ;
return (true) ;
}
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