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expr_log.h
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/* */
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/* This file is part of the program and library */
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/* SCIP --- Solving Constraint Integer Programs */
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/* */
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/* Copyright (c) 2002-2023 Zuse Institute Berlin (ZIB) */
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/* */
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/* Licensed under the Apache License, Version 2.0 (the "License"); */
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/* you may not use this file except in compliance with the License. */
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/* You may obtain a copy of the License at */
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/* */
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/* http://www.apache.org/licenses/LICENSE-2.0 */
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/* */
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/* Unless required by applicable law or agreed to in writing, software */
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/* distributed under the License is distributed on an "AS IS" BASIS, */
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/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. */
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/* See the License for the specific language governing permissions and */
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/* limitations under the License. */
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/* */
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/* You should have received a copy of the Apache-2.0 license */
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/* along with SCIP; see the file LICENSE. If not visit scipopt.org. */
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/* */
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/**@file expr_log.h
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* @ingroup EXPRHDLRS
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* @brief logarithm expression handler
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* @author Stefan Vigerske
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* @author Benjamin Mueller
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*/
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/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
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#ifndef __SCIP_EXPR_LOG_H__
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#define __SCIP_EXPR_LOG_H__
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#include "
scip/scip.h
"
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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/**@addtogroup EXPRHDLRS
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*
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* @{
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*
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* @name Logarithm expression
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*
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* This expression handler provides the natural logarithm function, that is,
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* \f[
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* x \mapsto \ln(x).
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* \f]
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*
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* @{
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*/
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/** creates a logarithmic expression */
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SCIP_EXPORT
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SCIP_RETCODE
SCIPcreateExprLog
(
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SCIP
*
scip
,
/**< SCIP data structure */
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SCIP_EXPR
** expr,
/**< pointer where to store expression */
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SCIP_EXPR
* child,
/**< single child */
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SCIP_DECL_EXPR_OWNERCREATE
((*
ownercreate
)),
/**< function to call to create ownerdata */
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void
*
ownercreatedata
/**< data to pass to ownercreate */
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);
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/** indicates whether expression is of log-type */
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SCIP_EXPORT
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SCIP_Bool
SCIPisExprLog
(
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SCIP
*
scip
,
/**< SCIP data structure */
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SCIP_EXPR
* expr
/**< expression */
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);
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/** @}
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* @}
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*/
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/** creates the handler for logarithmic expression and includes it into SCIP
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*
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* @ingroup ExprhdlrIncludes
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*/
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SCIP_EXPORT
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SCIP_RETCODE
SCIPincludeExprhdlrLog
(
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SCIP
*
scip
/**< SCIP data structure */
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);
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#ifdef __cplusplus
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}
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#endif
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#endif
/* __SCIP_EXPR_LOG_H__ */
SCIPisExprLog
SCIP_Bool SCIPisExprLog(SCIP *scip, SCIP_EXPR *expr)
Definition
expr_log.c:648
SCIPcreateExprLog
SCIP_RETCODE SCIPcreateExprLog(SCIP *scip, SCIP_EXPR **expr, SCIP_EXPR *child, SCIP_DECL_EXPR_OWNERCREATE((*ownercreate)), void *ownercreatedata)
Definition
expr_log.c:630
SCIPincludeExprhdlrLog
SCIP_RETCODE SCIPincludeExprhdlrLog(SCIP *scip)
Definition
expr_log.c:595
i
int i
Definition
heur_rootsoldiving.c:212
scip
Definition
objbenders.h:44
scip.h
SCIP callable library.
SCIP_Expr
Definition
struct_expr.h:105
Scip
Definition
struct_scip.h:69
SCIP_DECL_EXPR_OWNERCREATE
#define SCIP_DECL_EXPR_OWNERCREATE(x)
Definition
type_expr.h:140
SCIP_RETCODE
enum SCIP_Retcode SCIP_RETCODE
Definition
type_retcode.h:63
expr_log.h
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