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path: root/support/dktools/dk4mao8dns.c
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/*
Copyright (C) 2017-2020, Dirk Krause
SPDX-License-Identifier: BSD-3-Clause
*/

/*
	WARNING: This file was generated by the dkct program (see
	http://dktools.sourceforge.net/ for details).
	Changes you make here will be lost if dkct is run again!
	You should modify the original source and run dkct on it.
	Original source: dk4mao8dns.ctr
*/

/**	@file dk4mao8dns.c The dk4mao8dns module.
*/


#line 132 "dk4mao8dns.ctr"


#include "dk4conf.h"

#ifndef	DK4MAO8DNS_H_INCLUDED
#include "dk4mao8dns.h"
#endif

#if	DK4_HAVE_STRING_H
#ifndef	STRING_H_INCLUDED
#include <string.h>
#define	STRING_H_INCLUDED	1
#endif
#endif

#if	DK4_HAVE_MATH_H
#ifndef	MATH_H_INCLUDED
#if	DK4_ON_WINDOWS
#ifndef	_USE_MATH_DEFINES
#define	_USE_MATH_DEFINES 1
#endif
#endif
#include <math.h>
#define	MATH_H_INCLUDED 1
#endif
#endif

#ifndef	DK4MAO8DBL_H_INCLUDED
#include "dk4mao8dbl.h"
#endif

#ifndef	DK4MAI8DDI_H_INCLUDED
#include "dk4mai8ddi.h"
#endif

#ifndef	DK4STR8_H_INCLUDED
#include "dk4str8.h"
#endif

#if DK4_HAVE_ASSERT_H
#ifndef	ASSERT_H_INCLUDED
#include <assert.h>
#define	ASSERT_H_INCLUDED 1
#endif
#endif




#line 180 "dk4mao8dns.ctr"



int
dk4ma_write_c8_double_string_no_sci_to_stream(
	dk4_stream_t	*strm,
	char			*buf,
	dk4_er_t		*erp
)
{
	char		*ptrex	= NULL;			/* Start of exponent */
	char		*ptrdd	= NULL;			/* Decimal dot */
	char		*ptrout	= NULL;			/* Character to output */
	const char	*endptr	= NULL;			/* First unusable exponent character */
	dk4_im_t	 dotpos	= (dk4_im_t)0L;	/* Dot position */
	dk4_im_t	 expon	= (dk4_im_t)0L;	/* Exponent */
	dk4_im_t	 i		= (dk4_im_t)0L;	/* Running index */
	int			 isneg	= 0;			/* Flag: Negative value */
	int			 res	= 0;			/* Conversion result */
	int			 back	= 0;			/* Result */
	

#line 201 "dk4mao8dns.ctr"
#if	DK4_USE_ASSERT
  assert(NULL != strm);
  assert(NULL != buf);
#endif
	if ((NULL != strm) && (NULL != buf)) {
		back = 1;
		if ('-' == *buf) {		

#line 208 "dk4mao8dns.ctr"
			isneg = 1;
			buf++;
		}
#if TRACE_DEBUG
		else {					

#line 213 "dk4mao8dns.ctr"
		}
#endif
		/*
			Find exponent
		*/
		ptrex = strchr(buf, 'e');
		if (NULL == ptrex) { ptrex = strchr(buf, 'E'); }
		if (NULL != ptrex) {
			*(ptrex++) = '\0';	

#line 222 "dk4mao8dns.ctr"
			if ('+' == *ptrex) { ptrex++; }
			res = dk4ma_input_c8_dec_dk4_im_t(&expon, ptrex, &endptr, 1, erp);
			if (0 == res) { expon = (dk4_im_t)0L; back = 0; }
			

#line 226 "dk4mao8dns.ctr"
		}
#if TRACE_DEBUG
		else {					

#line 229 "dk4mao8dns.ctr"
		}
#endif
		/*	Find decimal dot
		*/
		ptrdd = strchr(buf, '.');
		if (NULL != ptrdd) {	

#line 235 "dk4mao8dns.ctr"
			*ptrdd = '\0';
			dotpos = strlen(buf);
			dk4str8_cpy_to_left(ptrdd, &(ptrdd[1]));
		}
		else {					

#line 240 "dk4mao8dns.ctr"
			dotpos = strlen(buf);
		}
		/*	Calculate dot position from original position and exponent
		*/
		dotpos += expon;		

#line 245 "dk4mao8dns.ctr"
		/*
			Write leading zero(s)
		*/
		if ((dk4_im_t)0L >= dotpos) {	

#line 249 "dk4mao8dns.ctr"
			if (0 != isneg) {
				if (0 == dk4stream_write_byte(strm, '-', erp)) { back = 0; }
				isneg = 0;
			}
			if (0 == dk4stream_write_byte(strm, '0', erp)) { back = 0; }
			if (0 == dk4stream_write_byte(strm, '.', erp)) { back = 0; }
			i = dotpos;
			while ((dk4_im_t)0L > i++) {
				if (0 == dk4stream_write_byte(strm, '0', erp)) { back = 0; }
			}
		}
#if TRACE_DEBUG
		else {							

#line 262 "dk4mao8dns.ctr"
		}
#endif
		/*	Write digits from buffer
		*/
		if (0 != isneg) {				

#line 267 "dk4mao8dns.ctr"
			if (0 == dk4stream_write_byte(strm, '-', erp)) { back = 0; }
		}
#if TRACE_DEBUG
		else {							

#line 271 "dk4mao8dns.ctr"
		}
#endif
		i = (dk4_im_t)0L;
		ptrout = buf;
		while ('\0' != *ptrout) {
			

#line 277 "dk4mao8dns.ctr"
			

#line 278 "dk4mao8dns.ctr"
			if ((dotpos == i) && ((dk4_im_t)0L != dotpos)) {
				

#line 280 "dk4mao8dns.ctr"
				if (0 == dk4stream_write_byte(strm, '.', erp)) {
					back = 0;		

#line 282 "dk4mao8dns.ctr"
				}
			}
			

#line 285 "dk4mao8dns.ctr"
			if (0 == dk4stream_write_byte(strm, *(ptrout++), erp)) {
				back = 0;			

#line 287 "dk4mao8dns.ctr"
			}
			

#line 289 "dk4mao8dns.ctr"
			i++;
		}
		/*	Append trailing zero(s)
		*/
		

#line 294 "dk4mao8dns.ctr"
		while (i++ < dotpos) {
			if (0 == dk4stream_write_byte(strm, '0', erp)) {
				back = 0;			

#line 297 "dk4mao8dns.ctr"
			}
		}
	}
	else {
		dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
	}
	

#line 304 "dk4mao8dns.ctr"
	return  back;
}



int
dk4ma_write_c8_double_no_sci_to_stream(
	dk4_stream_t	*strm,
	double			 v,
	double			 eps,
	int				 ex,
	int				 min,
	dk4_er_t		*erp
)
{
	char	 buf[16*sizeof(double)];
	size_t	 szbuf	= sizeof(buf);
	int		 back	= 0;
	

#line 323 "dk4mao8dns.ctr"
#if	DK4_USE_ASSERT
  assert(NULL != strm);
#endif
	if (NULL != strm) {
		if (fabs(v) < eps) {	

#line 328 "dk4mao8dns.ctr"
			back = dk4stream_write_byte(strm, '0', erp);
		}
		else {					

#line 331 "dk4mao8dns.ctr"
			if (0 != dk4ma_write_c8_double(buf, szbuf, v, ex, min, erp)) {
				

#line 333 "dk4mao8dns.ctr"
				back = dk4ma_write_c8_double_string_no_sci_to_stream(
					strm, buf, erp
				);
			}
#if TRACE_DEBUG
			else {				

#line 339 "dk4mao8dns.ctr"
			}
#endif
		}
	}
	else {
		dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
	}
	

#line 347 "dk4mao8dns.ctr"
	return back;
}


/* vim: set ai sw=4 ts=4 : */