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#if HAVE_CONFIG_H
#include <conf.h>
#endif
#include <stdio.h>
#include <ctype.h>
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#if HAVE_STDLIB_H
#include <stdlib.h>
#else
double strtod();
#endif
#include <math.h>
int SAOdtype=0;
double SAOstrtod(str, ptr)
char *str;
char **ptr;
{
double d = 0.0;
double m = 0.0;
double s = 0.0;
char *p, *px;
char c;
SAOdtype = 0;
if ( ptr == NULL ) ptr = &p;
while ( *str == ' ' ) str++;
/* No base implied (yet).
*/
d = strtod(str, ptr);
px = *ptr;
if( strchr(str, (int)'.') )
SAOdtype = '.';
if ( ( c = **ptr )
&& ( c == 'h' || c == 'd' || c == ':' || c == ' ' || c == 'm' )
&& ( (*ptr - str) <= 4 )
&& ( ( isdigit((int)*((*ptr)+1)) )
|| ( (*((*ptr)+1)) == ' ' && isdigit((int)*((*ptr)+2)) ) ) ) {
double sign = 1.0;
SAOdtype = c;
(*ptr)++;
if ( *str == '-' ) {
sign = -1.0;
d = -d;
}
m = strtod(*ptr, ptr);
if ( c == 'm' ) {
s = m;
m = d;
d = 0.0;
} else
if ( ( c = **ptr )
&& ( c == ':' || c == ' ' || c == 'm' )
&& ( (*ptr - px) <= 3 )
&& ( ( isdigit((int)*((*ptr)+1)) )
|| ( (*((*ptr)+1)) == ' ' && isdigit((int)*((*ptr)+2))))) {
(*ptr)++;
s = strtod(*ptr, ptr);
}
return sign * (d + m / 60 + s / 3600);
}
/* I guess that there wern't really any units.
*/
return d;
}
char *SAOconvert(buff, val, type, prec)
char *buff;
double val;
int type;
int prec;
{
char fmt[32];
char *sign = "";
float degrees = val;
float minutes;
float seconds;
char ch1, ch2;
switch ( type ) {
case 'b': {
int v = val;
unsigned int i;
int c = 2;
buff[0] = '0';
buff[1] = 'b';
for ( i = 0x8000; i; i /= 2 ) {
if ( v & i || c > 2 ) {
buff[c] = v & i ? '1' : '0';
c++;
}
}
buff[c] = '\0';
return buff;
}
case 'o':
sprintf(buff, "0o%o", (int) val);
return buff;
case 'x':
sprintf(buff, "0x%x", (int) val);
return buff;
case ':': ch1 = ':'; ch2 = ':'; break;
case ' ': ch1 = ' '; ch2 = ' '; break;
case 'h': ch1 = 'h'; ch2 = 'm'; break;
case 'd': ch1 = 'd'; ch2 = 'm'; break;
case 'm': ch1 = 'm'; ch2 = 'm'; break;
default: return 0;
}
if ( degrees < 0.0 ) {
sign = "-";
degrees = - degrees;
}
minutes = (degrees - ((int) degrees)) * 60;
if ( minutes < 0 ) minutes = 0.0;
seconds = (minutes - ((int) minutes)) * 60;
if ( seconds < 0 ) seconds = 0.0;
if ( prec == -1 ){
if ( type == 'h' ) prec = 4;
else prec = 3;
}
if ( prec == -2 ) {
if ( type == 'm' ){
if ( seconds < 10.0 )
sprintf(buff, "%s%d%c0%g"
, sign, (int)(minutes+degrees*60), ch2, seconds);
else
sprintf(buff, "%s%d%c%g"
, sign, (int)(minutes+degrees*60), ch2, seconds);
}
else if ( seconds < 10.0 )
sprintf(buff, "%s%d%c0%2d%c0%g"
, sign, (int) (degrees)
, ch1 , (int) (minutes)
, ch2, seconds);
else
sprintf(buff, "%s%d%c%2d%c%g"
, sign, (int) (degrees)
, ch1 , (int) (minutes)
, ch2, seconds);
} else {
double p = pow(10.0, (double) prec);
int m = minutes;
int d = degrees;
if ( (((int)(seconds * p + .5))/ p) >= 60 ) {
seconds = 0.0;
m++;
if ( m >= 60 ) {
m = 0;
d++;
}
}
if ( (((int)(seconds * p + .5))/ p) < 10.0 )
sprintf(fmt, "%%s%%d%c%%2.2d%c0%%.%df", ch1, ch2, prec);
else
sprintf(fmt, "%%s%%d%c%%2.2d%c%%.%df" , ch1, ch2, prec);
sprintf(buff, fmt, sign, d, m, seconds);
}
return buff;
}
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