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/* $Id: decimal.h,v 1.4 2002/08/04 23:34:08 wwg Exp $
* Copyright (C) 2002, Warren W. Gay VE3WWG
*
* Licensed under the ACL (Ada Community License)
* or
* GNU Public License 2 (GPL2)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _DECIMAL_H_
#define _DECIMAL_H_ 1
#include "pgtypes.h"
#include "numeric.h"
enum Num_Exception {
No_Error = 0,
Numeric_Format,
Numeric_Overflow,
Undefined_Result,
Divide_By_Zero
};
typedef enum Num_Exception Decimal_Exception;
extern int numeric_global_rscale(void); /* Initial value for global_rscale */
extern void numeric_free(Numeric num); /* Free storage used by Numeric */
extern int numeric_isnan(Numeric num); /* Test for NaN */
extern Numeric numeric_nan(void); /* Create a NaN */
extern Numeric numeric_in(const char *str,int precision,int scale,Decimal_Exception *ex);
extern char * numeric_out(Numeric num); /* Numeric to String */
extern Numeric numeric(Numeric num, int precision, int scale, Decimal_Exception *ex);
extern Numeric numeric_abs(Numeric num); /* Absolute value */
extern Numeric numeric_uminus(Numeric num); /* Unary minus */
extern Numeric numeric_uplus(Numeric num); /* Copy value */
extern Numeric numeric_sign(Numeric num); /* Determine sign */
extern Numeric numeric_round(Numeric num,int scale); /* Round */
extern Numeric numeric_trunc(Numeric num,int scale); /* Truncate */
extern Numeric numeric_ceil(Numeric num); /* Ceiling */
extern Numeric numeric_floor(Numeric num); /* Floor */
extern int numeric_cmp(Numeric num1, Numeric num2); /* Compare */
extern int numeric_eq(Numeric num1, Numeric num2); /* = */
extern int numeric_ne(Numeric num1, Numeric num2); /* != */
extern int numeric_gt(Numeric num1, Numeric num2); /* > */
extern int numeric_ge(Numeric num1, Numeric num2); /* >= */
extern int numeric_lt(Numeric num1, Numeric num2); /* < */
extern int numeric_le(Numeric num1, Numeric num2); /* <= */
extern Numeric numeric_add(Numeric num1, Numeric num2); /* + */
extern Numeric numeric_sub(Numeric num1, Numeric num2); /* - */
extern Numeric numeric_mul(Numeric num1, Numeric num2, int *global_rscale); /* * */
extern Numeric numeric_div(Numeric num1, Numeric num2, int *global_rscale, Decimal_Exception *ex); /* / */
extern Numeric numeric_mod(Numeric num1, Numeric num2, int *global_rscale, Decimal_Exception *ex); /* % */
extern Numeric numeric_smaller(Numeric num1, Numeric num2); /* min(a,b) */
extern Numeric numeric_larger(Numeric num1, Numeric num2); /* max(a,b) */
extern Numeric numeric_sqrt(Numeric num, int *global_rscale,Decimal_Exception *ex); /* Square root */
extern Numeric numeric_exp(Numeric num, int *global_rscale, Decimal_Exception *ex); /* Exponent */
extern Numeric numeric_ln(Numeric num, int *global_rscale, Decimal_Exception *ex); /* Ln */
extern Numeric numeric_log(Numeric num1, Numeric num2, int *global_rscale, Decimal_Exception *ex); /* Log */
extern Numeric numeric_power(Numeric num1, Numeric num2, int *global_rscale, Decimal_Exception *ex); /* Power */
#endif /* _DECIMAL_H_ */
/* End $Source: /cvsroot/apq/apq/decimal.h,v $ */
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