operator.h

/* Copyright (C) 2018 Chris Piker <chris-piker@uiowa.edu>
 *
 * This file is part of libdas2, the Core Das2 C Library.
 *
 * Libdas2 is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License version 2.1 as published
 * by the Free Software Foundation.
 *
 * Libdas2 is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
 * more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 2.1 along with libdas2; if not, see <http://www.gnu.org/licenses/>.
 */

#ifndef _das_operator_h_
#define _das_operator_h_

#ifdef __cplusplus
extern "C" {
#endif

/* Invalid Operator */
#define D2OP_INVALID 0
   
/* Unary operators, before */
#define D2UOP_SIGN     1
#define D2UOP_SQRT     7
#define D2UOP_CURT     8
#define D2UOP_LOG10    9
#define D2UOP_LN      10
#define D2UOP_COS     11
#define D2UOP_SIN     12
#define D2UOP_TAN     13

/* Unary operators after */
#define D2UOP_SQUARE   101
#define D2UOP_CUBE     102
#define D2UOP_INV      103
#define D2UOP_INVSQ    104
#define D2UOP_INVCUBE  105
   
/* Binary operators */
#define D2BOP_ADD    201
#define D2BOP_SUB    202
#define D2BOP_MUL    203
#define D2BOP_DIV    204
#define D2BOP_POW    205
   
/* Operator positions */
#define D2OP_BEFORE   1
#define D2OP_BETWEEN  2
#define D2OP_AFTER    3

int das_op_unary(const char* sOp);

int das_op_binary(const char* sOp);

const char* das_op_toStr(int nOp, int* pos);

bool das_op_isBinary(int nOp);

bool das_op_isUnary(int nOp);

#ifdef __cplusplus
}
#endif

#endif /* _das_operator_h_ */