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//------------------------------------------------------------------------------
// GB_mx_Monoid: construct a monoid from a built-in operator
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
// Also defines the identity of the monoid
#define GET_DEEP_COPY ;
#define FREE_DEEP_COPY ;
#define FREE_ALL ;
#include "GB_mex.h"
bool GB_mx_Monoid // true if successful, false otherwise
(
GrB_Monoid *handle, // monoid to construct
const GrB_BinaryOp add, // monoid operator
const bool malloc_debug // true if malloc debug should be done
)
{
GrB_Monoid M = NULL ;
(*handle) = NULL ;
if (add == NULL)
{
mexWarnMsgIdAndTxt ("GB:warn", "monoid operator missing") ;
return (false) ;
}
switch (add->opcode)
{
case GB_MIN_binop_code :
// 11 MIN monoids
switch (add->xtype->code)
{
// bool case redundant with AND
case GB_BOOL_code : METHOD (GrB_Monoid_new_BOOL_ (&M, add, (bool ) true)) ; break ;
case GB_INT8_code : METHOD (GrB_Monoid_new_INT8_ (&M, add, (int8_t ) INT8_MAX)) ; break ;
case GB_INT16_code : METHOD (GrB_Monoid_new_INT16_ (&M, add, (int16_t ) INT16_MAX)) ; break ;
case GB_INT32_code : METHOD (GrB_Monoid_new_INT32_ (&M, add, (int32_t ) INT32_MAX)) ; break ;
case GB_INT64_code : METHOD (GrB_Monoid_new_INT64_ (&M, add, (int64_t ) INT64_MAX)) ; break ;
case GB_UINT8_code : METHOD (GrB_Monoid_new_UINT8_ (&M, add, (uint8_t ) UINT8_MAX)) ; break ;
case GB_UINT16_code : METHOD (GrB_Monoid_new_UINT16_(&M, add, (uint16_t) UINT16_MAX)) ; break ;
case GB_UINT32_code : METHOD (GrB_Monoid_new_UINT32_(&M, add, (uint32_t) UINT32_MAX)) ; break ;
case GB_UINT64_code : METHOD (GrB_Monoid_new_UINT64_(&M, add, (uint64_t) UINT64_MAX)) ; break ;
case GB_FP32_code : METHOD (GrB_Monoid_new_FP32_ (&M, add, (float ) INFINITY)) ; break ;
case GB_FP64_code : METHOD (GrB_Monoid_new_FP64_ (&M, add, (double ) INFINITY)) ; break ;
default:
mexWarnMsgIdAndTxt ("GB:warn", "unknown type for MIN") ;
return (false) ;
}
break ;
case GB_MAX_binop_code :
// 11 MAX monoids
switch (add->xtype->code)
{
// bool case redundant with OR
case GB_BOOL_code : METHOD (GrB_Monoid_new_BOOL_ (&M, add, (bool ) false)) ; break ;
case GB_INT8_code : METHOD (GrB_Monoid_new_INT8_ (&M, add, (int8_t ) INT8_MIN)) ; break ;
case GB_INT16_code : METHOD (GrB_Monoid_new_INT16_ (&M, add, (int16_t ) INT16_MIN)) ; break ;
case GB_INT32_code : METHOD (GrB_Monoid_new_INT32_ (&M, add, (int32_t ) INT32_MIN)) ; break ;
case GB_INT64_code : METHOD (GrB_Monoid_new_INT64_ (&M, add, (int64_t ) INT64_MIN)) ; break ;
case GB_UINT8_code : METHOD (GrB_Monoid_new_UINT8_ (&M, add, (uint8_t ) 0)) ; break ;
case GB_UINT16_code : METHOD (GrB_Monoid_new_UINT16_(&M, add, (uint16_t) 0)) ; break ;
case GB_UINT32_code : METHOD (GrB_Monoid_new_UINT32_(&M, add, (uint32_t) 0)) ; break ;
case GB_UINT64_code : METHOD (GrB_Monoid_new_UINT64_(&M, add, (uint64_t) 0)) ; break ;
case GB_FP32_code : METHOD (GrB_Monoid_new_FP32_ (&M, add, (float ) -INFINITY)) ; break ;
case GB_FP64_code : METHOD (GrB_Monoid_new_FP64_ (&M, add, (double ) -INFINITY)) ; break ;
default:
mexWarnMsgIdAndTxt ("GB:warn", "unknown type for MAX") ;
return (false) ;
}
break ;
case GB_PLUS_binop_code :
// 13 PLUS monoids
switch (add->xtype->code)
{
// bool case redundant with OR
case GB_BOOL_code : METHOD (GrB_Monoid_new_BOOL_ (&M, add, (bool ) 0)) ; break ;
case GB_INT8_code : METHOD (GrB_Monoid_new_INT8_ (&M, add, (int8_t ) 0)) ; break ;
case GB_INT16_code : METHOD (GrB_Monoid_new_INT16_ (&M, add, (int16_t ) 0)) ; break ;
case GB_INT32_code : METHOD (GrB_Monoid_new_INT32_ (&M, add, (int32_t ) 0)) ; break ;
case GB_INT64_code : METHOD (GrB_Monoid_new_INT64_ (&M, add, (int64_t ) 0)) ; break ;
case GB_UINT8_code : METHOD (GrB_Monoid_new_UINT8_ (&M, add, (uint8_t ) 0)) ; break ;
case GB_UINT16_code : METHOD (GrB_Monoid_new_UINT16_(&M, add, (uint16_t) 0)) ; break ;
case GB_UINT32_code : METHOD (GrB_Monoid_new_UINT32_(&M, add, (uint32_t) 0)) ; break ;
case GB_UINT64_code : METHOD (GrB_Monoid_new_UINT64_(&M, add, (uint64_t) 0)) ; break ;
case GB_FP32_code : METHOD (GrB_Monoid_new_FP32_ (&M, add, (float ) 0)) ; break ;
case GB_FP64_code : METHOD (GrB_Monoid_new_FP64_ (&M, add, (double ) 0)) ; break ;
case GB_FC32_code : METHOD (GxB_Monoid_new_FC32_ (&M, add, (GxB_CMPLXF(0,0)))) ; break ;
case GB_FC64_code : METHOD (GxB_Monoid_new_FC64_ (&M, add, (GxB_CMPLX (0,0)))) ; break ;
default:
mexWarnMsgIdAndTxt ("GB:warn", "unknown type for (PLUS)") ;
return (false) ;
}
break ;
case GB_TIMES_binop_code :
// 13 TIMES monoids
switch (add->xtype->code)
{
// bool case redundant with AND
case GB_BOOL_code : METHOD (GrB_Monoid_new_BOOL_ (&M, add, (bool ) true)) ; break ;
case GB_INT8_code : METHOD (GrB_Monoid_new_INT8_ (&M, add, (int8_t ) 1)) ; break ;
case GB_INT16_code : METHOD (GrB_Monoid_new_INT16_ (&M, add, (int16_t ) 1)) ; break ;
case GB_INT32_code : METHOD (GrB_Monoid_new_INT32_ (&M, add, (int32_t ) 1)) ; break ;
case GB_INT64_code : METHOD (GrB_Monoid_new_INT64_ (&M, add, (int64_t ) 1)) ; break ;
case GB_UINT8_code : METHOD (GrB_Monoid_new_UINT8_ (&M, add, (uint8_t ) 1)) ; break ;
case GB_UINT16_code : METHOD (GrB_Monoid_new_UINT16_(&M, add, (uint16_t) 1)) ; break ;
case GB_UINT32_code : METHOD (GrB_Monoid_new_UINT32_(&M, add, (uint32_t) 1)) ; break ;
case GB_UINT64_code : METHOD (GrB_Monoid_new_UINT64_(&M, add, (uint64_t) 1)) ; break ;
case GB_FP32_code : METHOD (GrB_Monoid_new_FP32_ (&M, add, (float ) 1)) ; break ;
case GB_FP64_code : METHOD (GrB_Monoid_new_FP64_ (&M, add, (double ) 1)) ; break ;
case GB_FC32_code : METHOD (GxB_Monoid_new_FC32_ (&M, add, (GxB_CMPLXF(1,0)))) ; break ;
case GB_FC64_code : METHOD (GxB_Monoid_new_FC64_ (&M, add, (GxB_CMPLX (1,0)))) ; break ;
default:
mexWarnMsgIdAndTxt ("GB:warn", "unknown type for (TIMES)") ;
return (false) ;
}
break ;
case GB_ANY_binop_code :
// 13 ANY monoids
switch (add->xtype->code)
{
case GB_BOOL_code : METHOD (GrB_Monoid_new_BOOL (&M, add, (bool ) false)) ; break ;
case GB_INT8_code : METHOD (GrB_Monoid_new_INT8_ (&M, add, (int8_t ) 0)) ; break ;
case GB_INT16_code : METHOD (GrB_Monoid_new_INT16_ (&M, add, (int16_t ) 0)) ; break ;
case GB_INT32_code : METHOD (GrB_Monoid_new_INT32_ (&M, add, (int32_t ) 0)) ; break ;
case GB_INT64_code : METHOD (GrB_Monoid_new_INT64_ (&M, add, (int64_t ) 0)) ; break ;
case GB_UINT8_code : METHOD (GrB_Monoid_new_UINT8_ (&M, add, (uint8_t ) 0)) ; break ;
case GB_UINT16_code : METHOD (GrB_Monoid_new_UINT16_(&M, add, (uint16_t) 0)) ; break ;
case GB_UINT32_code : METHOD (GrB_Monoid_new_UINT32_(&M, add, (uint32_t) 0)) ; break ;
case GB_UINT64_code : METHOD (GrB_Monoid_new_UINT64_(&M, add, (uint64_t) 0)) ; break ;
case GB_FP32_code : METHOD (GrB_Monoid_new_FP32_ (&M, add, (float ) 0)) ; break ;
case GB_FP64_code : METHOD (GrB_Monoid_new_FP64_ (&M, add, (double ) 0)) ; break ;
case GB_FC32_code : METHOD (GxB_Monoid_new_FC32_ (&M, add, (GxB_CMPLXF(0,0)))) ; break ;
case GB_FC64_code : METHOD (GxB_Monoid_new_FC64_ (&M, add, (GxB_CMPLX (0,0)))) ; break ;
default:
mexWarnMsgIdAndTxt ("GB:warn", "unknown type for (ANY)") ;
return (false) ;
}
break ;
case GB_LOR_binop_code :
// both GrB_LOR and GxB_LOR_BOOL (same opcode)
switch (add->xtype->code)
{
case GB_BOOL_code : METHOD (GrB_Monoid_new_BOOL_(&M, add, (bool ) false)) ; break ;
default:
mexWarnMsgIdAndTxt ("GB:warn", "invalid monoid for (OR)") ;
return (false) ;
}
break ;
case GB_LAND_binop_code :
// both GrB_LAND and GxB_LAND_BOOL (same opcode)
switch (add->xtype->code)
{
case GB_BOOL_code : METHOD (GrB_Monoid_new_BOOL_(&M, add, (bool ) true)) ; break ;
default:
mexWarnMsgIdAndTxt ("GB:warn", "invalid monoid for (AND)") ;
return (false) ;
}
break ;
case GB_LXOR_binop_code :
// both GrB_LXOR and GxB_LXOR_BOOL (same opcode)
switch (add->xtype->code)
{
case GB_BOOL_code : METHOD (GrB_Monoid_new_BOOL_(&M, add, (bool ) false)) ; break ;
default:
mexWarnMsgIdAndTxt ("GB:warn", "invalid monoid for (XOR)") ;
return (false) ;
}
break ;
case GB_ISEQ_binop_code :
case GB_EQ_binop_code :
// both GrB_EQ_BOOL and GxB_ISEQ_BOOL (same opcode), also GrB_LXNOR
switch (add->xtype->code)
{
case GB_BOOL_code : METHOD (GrB_Monoid_new_BOOL_(&M, add, (bool ) true)) ; break ;
default:
mexWarnMsgIdAndTxt ("GB:warn", "invalid monoid for (EQ)") ;
return (false) ;
}
break ;
case GB_BOR_binop_code :
// BOR monoids (bitwise or):
// GxB_BOR_UINT8_MONOID, // identity: 0 terminal: 0xFF
// GxB_BOR_UINT16_MONOID, // identity: 0 terminal: 0xFFFF
// GxB_BOR_UINT32_MONOID, // identity: 0 terminal: 0xFFFFFFFF
// GxB_BOR_UINT64_MONOID, // identity: 0 terminal: 0xFFFFFFFFFFFFFFFF
switch (add->xtype->code)
{
case GB_UINT8_code : METHOD (GrB_Monoid_new_UINT8_ (&M, add, (uint8_t ) 0)) ; break ;
case GB_UINT16_code : METHOD (GrB_Monoid_new_UINT16_(&M, add, (uint16_t) 0)) ; break ;
case GB_UINT32_code : METHOD (GrB_Monoid_new_UINT32_(&M, add, (uint32_t) 0)) ; break ;
case GB_UINT64_code : METHOD (GrB_Monoid_new_UINT64_(&M, add, (uint64_t) 0)) ; break ;
default:
mexWarnMsgIdAndTxt ("GB:warn", "invalid monoid for (BOR)") ;
return (false) ;
}
break ;
case GB_BAND_binop_code :
// BAND monoids (bitwise and):
// GxB_BAND_UINT8_MONOID, // identity: 0xFF terminal: 0
// GxB_BAND_UINT16_MONOID, // identity: 0xFFFF terminal: 0
// GxB_BAND_UINT32_MONOID, // identity: 0xFFFFFFFF terminal: 0
// GxB_BAND_UINT64_MONOID, // identity: 0xFFFFFFFFFFFFFFFF terminal: 0
switch (add->xtype->code)
{
case GB_UINT8_code : METHOD (GrB_Monoid_new_UINT8_ (&M, add, (uint8_t ) 0xFF)) ; break ;
case GB_UINT16_code : METHOD (GrB_Monoid_new_UINT16_(&M, add, (uint16_t) 0xFFFF)) ; break ;
case GB_UINT32_code : METHOD (GrB_Monoid_new_UINT32_(&M, add, (uint32_t) 0xFFFFFFFF)) ; break ;
case GB_UINT64_code : METHOD (GrB_Monoid_new_UINT64_(&M, add, (uint64_t) 0xFFFFFFFFFFFFFFFF)) ; break ;
default:
mexWarnMsgIdAndTxt ("GB:warn", "invalid monoid for (BAND)") ;
return (false) ;
}
break ;
case GB_BXOR_binop_code :
// BXOR monoids (bitwise xor):
// GxB_BXOR_UINT8_MONOID, // identity: 0
// GxB_BXOR_UINT16_MONOID, // identity: 0
// GxB_BXOR_UINT32_MONOID, // identity: 0
// GxB_BXOR_UINT64_MONOID, // identity: 0
switch (add->xtype->code)
{
case GB_UINT8_code : METHOD (GrB_Monoid_new_UINT8_ (&M, add, (uint8_t ) 0)) ; break ;
case GB_UINT16_code : METHOD (GrB_Monoid_new_UINT16_(&M, add, (uint16_t) 0)) ; break ;
case GB_UINT32_code : METHOD (GrB_Monoid_new_UINT32_(&M, add, (uint32_t) 0)) ; break ;
case GB_UINT64_code : METHOD (GrB_Monoid_new_UINT64_(&M, add, (uint64_t) 0)) ; break ;
default:
mexWarnMsgIdAndTxt ("GB:warn", "invalid monoid for (BXOR)") ;
return (false) ;
}
break ;
case GB_BXNOR_binop_code :
// BXNOR monoids (bitwise xnor):
// GxB_BXNOR_UINT8_MONOID, // identity: 0xFF
// GxB_BXNOR_UINT16_MONOID, // identity: 0xFFFF
// GxB_BXNOR_UINT32_MONOID, // identity: 0xFFFFFFFF
// GxB_BXNOR_UINT64_MONOID ; // identity: 0xFFFFFFFFFFFFFFFF
switch (add->xtype->code)
{
case GB_UINT8_code : METHOD (GrB_Monoid_new_UINT8_ (&M, add, (uint8_t ) 0xFF)) ; break ;
case GB_UINT16_code : METHOD (GrB_Monoid_new_UINT16_(&M, add, (uint16_t) 0xFFFF)) ; break ;
case GB_UINT32_code : METHOD (GrB_Monoid_new_UINT32_(&M, add, (uint32_t) 0xFFFFFFFF)) ; break ;
case GB_UINT64_code : METHOD (GrB_Monoid_new_UINT64_(&M, add, (uint64_t) 0xFFFFFFFFFFFFFFFF)) ; break ;
default:
mexWarnMsgIdAndTxt ("GB:warn", "invalid monoid for (BXNOR)") ;
return (false) ;
}
break ;
default:
mexWarnMsgIdAndTxt ("GB:warn", "unsupported add operator") ;
return (false) ;
}
ASSERT_MONOID_OK (M, "monoid", GB0) ;
(*handle) = M ;
return (true) ;
}
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