Digital Research
This commit is contained in:
2020-11-06 18:50:37 +01:00
parent 621ed8ccaf
commit 31738079c4
8481 changed files with 1888323 additions and 0 deletions

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c68 -c -L -e atof.c
c68 -c -L -e ceil.c
c68 -c -L -e etoa.c
c68 -c -L -e fabs.c
c68 -c -L -e floor.c
c68 -c -L -e fmod.c
c68 -c -L -e fprintf.c
c68 -c -L -e ftoa.c
c68 -c -L -e ftol.c
c68 -c -L -e ieeetof.c
c68 -c -L -e ltof.c
c68 -c -L -e printf.c

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/*
Copyright 1982
Alcyon Corporation
8716 Production Ave.
San Diego, Ca. 92121
*/
/*char *version "@(#) atof - dec 29, 1982"; */
/*
* Ascii String to IEEE Floating Point Routine :
* IEEE Standard Single Precision Representation Floating Point
*
* float
* atof(buf)
* char *buf;
*
* No more than 9 significant digits are allowed in single precision.
* Largest positive number is 3.4 * 10^33 and the smallest positive
* number is 1.2 * 10^-38.
* Rely's on the fact that a long and a float are both 32 bits.
*/
#define BIAS 127L
#define EXPSIZ 4
#define FRACSIZ 20
long fptoieee();
float strbin();
float power10();
long
atof(buf)
char *buf;
{
char ibuf[FRACSIZ], ebuf[EXPSIZ];
register char *ip, *ep;
long ieee; /* return value */
int dp, esign, isign, ebin, places;
float ibin, fp;
ip = &ibuf; ep = &ebuf; dp = 0; places = 0L;
while (*buf == ' ' || *buf == '\t') /* ignore white spaces */
buf++;
isign = (*buf == '-');
if (*buf == '-' || *buf == '+')
buf++;
while (*buf && *buf != 'e' && *buf != 'E') {
if (*buf == '.')
dp++;
else { /* digit seen */
*ip++ = *buf;
if (dp)
places++;
}
buf++;
}
*ip = 0;
if (*buf == 'e' || *buf == 'E') { /* exponent string */
buf++;
esign = (*buf == '-');
if (*buf == '-' || *buf == '+')
buf++;
while (*buf) /* get exponent string */
*ep++ = *buf++;
}
*ep = 0;
ibin = strbin(ibuf);
ebin = atoi(ebuf);
places = (esign) ? -ebin - places : ebin - places;
fp = ibin * power10(places);
ieee = fptoieee(fp);
if (isign) /* negative float */
ieee =| 0x80000000;
return( ieee );
}
float
power10(pwr) /* 10^pwr */
int pwr;
{
float f;
if (pwr < 0L) /* negative power */
for (f = 1.0; pwr < 0; pwr++)
f = f / 10.0;
else /* positive power */
for (f = 1.0; pwr > 0; pwr--)
f = f * 10.0;
return(f);
}
long
fptoieee(f) /* convert current machine float to ieee rep */
float f; /* unsigned float... */
{
register long exp, l;
if (f == 0.0)
return(0L);
exp = 0L;
for( ; f >= 2.0; f = f / 2.0)
exp++;
for( ; f < 1.0; f = f * 2.0)
exp--;
f = f - 1.0; /* implicit 1, eg. 1.F */
if (f != 0.0)
f = f * 8388608.0; /* 2 ^ 23 */
l = f;
exp =+ BIAS;
l =| ((exp<<23) & 0x7f800000);
return(l);
}
float
strbin(p) /* decimal string => binary long */
char *p;
{
float f;
for (f = 0.0; *p >= '0' && *p <= '9'; p++) {
f = f * 10.0;
f = f + (*p - '0');
}
return(f);
}

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/*
Copyright 1983
Alcyon Corporation
8716 Production Ave.
San Diego, Ca. 92121
*/
/*char *version "@(#) ceil - Feb 11, 1983";*/
/* ceil - returns the smallest integer (as a double precision
number) not greater than x. */
double
ceil(x)
double x;
{
register long i;
double retval;
if( x > 0 )
x += 0.999999999999;
i = x;
retval = i;
return( retval );
}

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/*
Copyright 1982
Alcyon Corporation
8716 Production Ave.
San Diego, Ca. 92121
*/
/*char *version "@(#) etoa - jan 24, 1982"; */
/*
* IEEE Floating Point to Ascii String Conversion Routine :
* IEEE Standard Single Precision Representation Floating Point
*
* char *
* etoa(f,buf,prec)
* float f;
* char *buf;
* int prec;
*
* No more than 9 decimal digits are allowed in single precision.
* Largest positive number is 3.4 * 10^33 and the smallest positive
* number is 1.2 * 10^-38.
* Rely's on the fact that a long and a float are both 32 bits.
*/
#define BIAS 127L
float _ieeetof();
char *
etoa(fl,buf,prec)
long fl; /* ieee formatted float */
char *buf;
int prec;
{
register char *bp;
register int exp, digit;
float f;
prec = (prec <= 0) ? 1 : (prec <= 9) ? prec : 9;
bp = buf;
f = _ieeetof(fl); /* get floating point value */
if (f < 0.0) { /* negative float */
*bp++ = '-';
f = -f; /* make it positive */
}
if (f == 0.0) {
*bp++ = '0'; *bp++ = '.';
while (prec--)
*bp++ = '0';
*bp++ = 'e'; *bp++ = '0'; *bp++ = '0'; *bp = 0;
return(buf);
}
for (exp=0; f < 1.0; f = f * 10.0) /* get negative exp */
exp--;
for ( ; f >= 1.0; f = f / 10.0) /* 0.XXXXXXE00 * 10^exp */
exp++;
exp--; /* for one explicit digit */
f = f * 10.0;
digit = f; /* get one digit */
f = f - digit;
*bp++ = digit + '0';
*bp++ = '.';
while(prec-- > 0) { /* get prec. decimal places */
f = f * 10.0;
digit = f;
f = f - digit;
*bp++ = digit + '0';
}
*bp++ = 'e';
if (exp < 0) {
exp = -exp;
*bp++ = '-';
}
*bp++ = (exp / 10) + '0';
*bp++ = (exp % 10) + '0';
*bp = 0;
return(buf);
}

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/*
Copyright 1982
Alcyon Corporation
8716 Production Ave.
San Diego, Ca. 92121
*/
/*char *version "@(#) fabs - jan 11, 1983";*/
/*
* Floating Point Absolute :
* Fast Floating Point Package
*
* double
* fabs(farg)
* double farg;
*
* Returns : absolute Floating point number
*/
long
fabs(f)
long f;
{
f = f & 0x7fffffff; /* turn off sign bit */
return(f);
}

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/*
Copyright 1983
Alcyon Corporation
8716 Production Ave.
San Diego, Ca. 92121
*/
/*char *version "@(#) floor - Feb 11, 1983";
/* floor - returns the largest integer (as a double precision
number) not greater than x. */
double
floor(x)
double x;
{
register long i;
double retval;
if ( x < 0 )
x -= 0.99999999999999;
i = x;
retval = i;
return( retval );
}

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/*
Copyright 1983
Alcyon Corporation
8716 Production Ave.
San Diego, Ca. 92121
*/
/*char *version "@(#) fmod - Feb 11, 1983";
/* fmod - returns the number f such that x = iy + f, and
0 <= f <= y. */
double
fmod(x,y)
double x;
double y;
{
double z;
double retval;
register long i;
double fabs();
double absx;
double absy;
absx = fabs(x);
absy = fabs(y);
for(z = absx; z - absy >= 0. ; z -= absy)
;
i = z;
if( x < 0.0 )
i *= -1;
retval = i;
return( retval );
}

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/*
Copyright 1982
Alcyon Corporation
8716 Production Ave.
San Diego, Ca. 92121
*/
/**
** formated print
**/
/*char *version "@(#)fprintf - jan 24, 1982";*/
#include "/usr/regulus/stdio.h"
#define BUFSIZ 80
char *ftoa();
char *etoa();
char *petoa();
char *pftoa();
static char *__str;
FILE *__stream;
static char **_p;
fprintf(fp, plist)
FILE *fp;
char *plist;
{
if (!fp->_flag & _WMODE) return;
__stream = fp;
_p = &plist;
__doprintf(0);
fflush(fp);
}
sprintf(s, plist)
char *s, *plist;
{
__str = s;
_p = &plist;
__doprint(1);
*__str = NULL;
}
__doprint(mode)
int mode;
{
register char *fmt, c;
char buf[BUFSIZ];
extern char *__prtshort(), *__prtld();
register int *pi;
int width, prec;
int left, longf;
char padchar;
char *s;
int n;
auto (*fn)();
int len;
fmt = *_p++;
pi = _p;
while (c = *fmt++)
{
_p = pi;
if (c != '%')
{
__putch(mode, c);
continue;
}
left = 0;
if ((c = *fmt++) == '-')
{
c = *fmt++;
left++;
}
padchar = ' ';
if (c == '0')
{
padchar = c;
c = *fmt++;
}
width = -1;
while (c >= '0' && c <= '9')
{
if (width < 0)
width = 0;
width = width * 10 + (c - '0');
c = *fmt++;
}
prec = -1;
if (c == '.')
{
prec = 0;
c = *fmt++;
}
while (c >= '0' && c <= '9')
{
prec = prec * 10 + (c - '0');
c = *fmt++;
}
longf = 0;
if (c == 'l')
{
longf++;
c = *fmt++;
}
/*
* we now have all the prelims out of the way;
* let's see what we want to print
*/
s = buf;
switch (c)
{
case 'd': /* decimal signed */
case 'D':
if (longf)
fn = __prtld;
else
fn = __prtshort;
__prtint(pi++, buf, 10, 1, fn, 0);
if (longf)
pi++;
break;
case 'u': /* decimal unsigned */
case 'U':
__prtint(pi++, buf, 10, 0, __prtshort, 0);
break;
case 'o': /* octal unsigned */
case 'O':
if (longf)
fn = __prtld;
else
fn = __prtshort;
__prtint(pi++, buf, 8, 0, fn, 0);
if (longf)
pi++;
break;
case 'x': /* hexadecimal unsigned */
case 'X':
if (longf)
fn = __prtld;
else
fn = __prtshort;
__prtint(pi++, buf, 16, 0, fn, c == 'X');
if (longf)
pi++;
break;
case 's': /* string */
case 'S':
s = *_p++;
pi = _p;
break;
case 'c': /* character */
case 'C':
n = *pi++;
buf[0] = n;
buf[1] = '\0';
break;
case 'e': /* exponential */
case 'E':
petoa(pi, buf, prec);
pi =+ 2;
prec = -1;
break;
case 'f': /* floating */
case 'F':
pftoa(pi, buf, prec);
pi =+ 2;
prec = -1;
break;
case 'g': /* e or f */
case 'G':
pftoa(pi, buf, prec);
if (strlen(buf) > (7 + prec)) /* smallest fp string */
petoa(pi, buf, prec);
pi =+ 2;
prec = -1;
break;
default: /* just print the character */
__putch(mode, c);
continue;
}
len = __length(s);
if (prec < len && prec >= 0)
len = prec;
n = width - len;
if (!left)
{
if (padchar != ' ' && *s == '-')
{
len--;
__putch(mode, *s); s++;
}
while (n-- > 0)
__putch(mode, padchar);
}
while (len--) {
__putch(mode, *s); s++;
}
while (n-- > 0)
__putch(mode, padchar);
}
}
__putch(mode, c)
int mode;
char c;
{
if (mode)
*__str++ = c;
else
putc(c,__stream);
return (c);
}
char *
pftoa(addr,buf,prec)
float *addr;
char *buf;
int prec;
{
float fp;
if (prec<0)
prec = 6;
fp = *addr;
return( ftoa(fp, buf, prec) );
}
char *
petoa(addr,buf,prec)
float *addr;
char *buf;
int prec;
{
float fp;
if (prec<0)
prec = 6;
fp = *addr;
return( etoa(fp, buf, prec) );
}

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/*
Copyright 1982
Alcyon Corporation
8716 Production Ave.
San Diego, Ca. 92121
*/
/*char *version "@(#) ftoa - jan 24, 1982"; */
/*
* IEEE Floating Point to Ascii String Conversion Routine :
* IEEE Standard Single Precision Representation Floating Point
*
* char *
* ftoa(f,buf,prec)
* float f;
* char *buf;
* int prec;
*
* No more than 9 decimal digits are allowed in single precision.
* Largest positive number is 3.4 * 10^33 and the smallest positive
* number is 1.2 * 10^-38.
* Rely's on the fact that a long and a float are both 32 bits.
*/
#define BIAS 127L
float _ieeetof();
char *
ftoa(fl,buf,prec)
long fl; /* ieee formatted float */
char *buf;
int prec;
{
register char *bp;
register int exp, digit;
float f;
prec = (prec <= 0) ? 1 : (prec <= 9) ? prec : 9;
bp = buf;
f = _ieeetof(fl); /* get floating point value */
if (f < 0.0) { /* negative float */
*bp++ = '-';
f = -f; /* make it positive */
}
if (f == 0.0) {
*bp++ = '0'; *bp++ = '.';
while (prec--)
*bp++ = '0';
*bp = 0;
return(buf);
}
for (exp=0; f < 1.0; f = f * 10.0) /* get negative exp */
exp--;
for ( ; f >= 1.0; f = f / 10.0) /* 0.XXXXXXE00 * 10^exp */
exp++;
if (exp<=0) /* one significant digit */
*bp++ = '0';
for ( ; exp>0; exp--) { /* get significant digits */
f = f * 10.0;
digit = f; /* get one digit */
f = f - digit;
*bp++ = digit + '0';
}
*bp++ = '.';
for( ; exp<0 && prec; prec--, exp++) /* exp < 0 ? */
*bp++ = '0';
while(prec-- > 0) {
f = f * 10.0;
digit = f; /* get one digit */
f = f - digit;
*bp++ = digit + '0';
}
*bp = 0;
return(buf);
}

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/*
Copyright 1982
Alcyon Corporation
8716 Production Ave.
San Diego, Ca. 92121
*/
/* char *version "@(#) ftol - Jan 28, 1983"; */
/*
* Floating Point Float to Long Routine :
* Front End to IEEE Floating Point Package.
*
* long
* fpftol(fparg)
* double fparg;
*
* Return : Fixed Point representation of Floating Point Number
*/
#define BIAS 127L
long
fpftol(f)
long f;
{
register long l;
register int exp, sign;
l = (f & 0x7f800000) >> 23;
exp = l - BIAS;
if (f == 0L || exp < 0) /* underflow or 0 */
return(0L);
sign = (f < 0L);
if (exp > 31) /* overflow */
return( (sign) ? 0x80000000 : 0x7fffffff);
exp =- 23;
l = (f & 0x7fffff) | 0x800000; /* 1.F */
for( ; exp < 0 ; exp++)
l =>> 1;
for( ; exp > 0; exp--)
l =<< 1;
if (sign)
l = -l;
return(l);
}

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/*
Copyright 1982
Alcyon Corporation
8716 Production Ave.
San Diego, Ca. 92121
*/
/*char *version "@(#) _ieeetof - dec 29, 1982"; */
/*
* IEEE Floating Point Representation to Internal Representation :
* IEEE Standard Single Precision Representation Floating Point
*
* float
* _ieeetof(lf)
* long lf;
*
* Largest positive number is 3.4 * 10^33 and the smallest positive
* number is 1.2 * 10^-38.
* Rely's on the fact that a long and a float are both 32 bits.
*/
#define BIAS 127L
float
_ieeetof(lf)
long lf;
{
register long exp;
register int count, fsign;
float f;
if (lf == 0L)
return(0.0);
if (lf < 0L) {
fsign = 1;
lf =& 0x7fffffff; /* mask MSB (sign) */
}
else
fsign = 0;
exp = (lf >> 23) & 0xff; /* biased ieee exponent */
exp =- BIAS;
lf =& 0x7fffff; /* 23 bits of fraction */
f = lf;
if (f != 0.0)
f = f / 8388608.0; /* 2 ^ 23 */
f = f + 1.0; /* ieee fraction : 1.F */
while (exp < 0) { /* negative exp : 2^-? */
f = f / 2.0;
exp++;
}
while (exp > 0) { /* positive exp : 2^+? */
f = f * 2.0;
exp--;
}
if (fsign)
f = -f;
return(f);
}

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/*
Copyright 1982
Alcyon Corporation
8716 Production Ave.
San Diego, Ca. 92121
*/
/*char *version "@(#) fpltof - Jan 7, 1983"; */
/*
* Floating Point Long to Float Routine :
* Front End to IEEE Floating Point Package.
*
* double
* fpltof(larg)
* long larg;
*
* Return : Floating Point representation of Long Fixed point integer
*/
#define BIAS 127L
long
fpltof(l)
long l;
{
register long exp;
register int sign;
if (l < 0L) { /* signed ?? */
sign = 1;
l = -l;
}
else
sign = 0;
if (l == 0L)
return(0L);
exp = 23L;
for( ; l & 0x7f000000; exp++) /* something in upper 7 bits */
l =>> 1;
for( ; !(l & 0x00800000); exp--) /* get mantissa : 1.F */
l =<< 1;
l =& 0x007fffff; /* reduce to .F in 23 bits */
if (sign)
l =| 0x80000000;
exp = (exp + BIAS)<<23;
l =| exp;
return(l);
}

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/*
Copyright 1982
Alcyon Corporation
8716 Production Ave.
San Diego, Ca. 92121
*/
//char *version "@(#)printf - jan 24, 1982";
/**
** formated print
**/
#define BUFSIZ 80
#define MAXFILES 15
char *etoa();
char *ftoa();
char *petoa();
char *pftoa();
printf(arg1,arg2,arg3)
char *arg1, *arg2, *arg3;
{
register char *fmt, c;
char buf[BUFSIZ];
extern char *__prtshort(), *__pprtld(), *__prtld();
int mode;
char *fd;
register char **p;
register int *pi;
int width, prec;
int left, longf;
char padchar;
char *s;
int n;
auto (*fn)();
int len;
if( arg1 == -1 ) {
mode = 2;
fd = arg2;
p = &arg3;
}
else if( arg1 < MAXFILES ) {
mode = 1; /* printf(fd,fmt,...) or printf(-1,str,fmt,...) */
fd = arg1;
p = &arg2;
}
else {
mode = 0;
fd = 0;
p = &arg1;
}
fmt = *p++;
pi = p;
while (c = *fmt++)
{
p = pi;
if (c != '%')
{
__pputch(mode, &fd, c);
continue;
}
left = 0;
if ((c = *fmt++) == '-')
{
c = *fmt++;
left++;
}
padchar = ' ';
if (c == '0')
{
padchar = c;
c = *fmt++;
}
width = -1;
while (c >= '0' && c <= '9')
{
if (width < 0)
width = 0;
width = width * 10 + (c - '0');
c = *fmt++;
}
prec = -1;
if (c == '.')
{
prec = 0;
c = *fmt++;
}
while (c >= '0' && c <= '9')
{
prec = prec * 10 + (c - '0');
c = *fmt++;
}
longf = 0;
if (c == 'l')
{
longf++;
c = *fmt++;
}
/* we now have all the prelims out of the way;
let's see what we want to print */
s = buf;
switch (c)
{
case 'd': /* decimal signed */
case 'D':
if (longf)
fn = __prtld;
else
fn = __prtshort;
__prtint(pi++, buf, 10, 1, fn, 0);
if (longf)
pi++;
break;
case 'u': /* decimal unsigned */
case 'U':
__prtint(pi++, buf, 10, 0, __prtshort, 0);
break;
case 'o': /* octal unsigned */
case 'O':
if (longf)
fn = __prtld;
else
fn = __prtshort;
__prtint(pi++, buf, 8, 0, fn, 0);
if (longf)
pi++;
break;
case 'x': /* hexadecimal unsigned */
case 'X':
if (longf)
fn = __prtld;
else
fn = __prtshort;
__prtint(pi++, buf, 16, 0, fn, c == 'X');
if (longf)
pi++;
break;
case 's': /* string */
case 'S':
s = *p++;
pi = p;
break;
case 'c': /* character */
case 'C':
n = *pi++;
buf[0] = n;
buf[1] = '\0';
break;
case 'e': /* exponential */
case 'E':
petoa(pi, buf, prec);
pi =+ 2;
prec = -1;
break;
case 'f': /* floating */
case 'F':
pftoa(pi, buf, prec);
pi =+ 2;
prec = -1;
break;
case 'g': /* e or f */
case 'G':
pftoa(pi, buf, prec);
if (strlen(buf) > (7 + prec) ) /* smallest fp string */
petoa(pi, buf, prec);
pi =+ 2;
prec = -1;
break;
default: /* just print the character */
__pputch(mode, &fd, c);
continue;
}
len = __length(s);
if (prec < len && prec >= 0)
len = prec;
n = width - len;
if (!left)
{
if (padchar != ' ' && *s == '-')
{
len--;
__pputch(mode, &fd, *s++);
}
while (n-- > 0)
__pputch(mode, &fd, padchar);
}
while (len--)
__pputch(mode, &fd, *s++);
while (n-- > 0)
__pputch(mode, &fd, padchar);
}
if (mode == 2)
*fd = '\0';
}
__pputch(mode, pfd, c)
int mode;
char c;
char **pfd;
{
register long fd;
switch (mode)
{
case 0:
if (write(1,&c,1) != 1) return(-1);
break;
case 1:
fd = *pfd;
if (write((int)fd,&c,1) != 1) return(-1);
break;
case 2:
*(*pfd)++ = c;
break;
}
return (c);
}
char *
pftoa(addr,buf,prec)
float *addr;
char *buf;
int prec;
{
float fp;
if (prec<0)
prec = 6;
fp = *addr;
return( ftoa(fp, buf, prec) );
}
char *
petoa(addr,buf,prec)
float *addr;
char *buf;
int prec;
{
float fp;
if (prec<0)
prec = 6;
fp = *addr;
return( etoa(fp, buf, prec) );
}

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c68 -L -c -f atof.c
c68 -L -c -f ceil.c
c68 -L -c -f etoa.c
c68 -L -c -f fabs.c
c68 -L -c -f ffptof.c
c68 -L -c -f floor.c
c68 -L -c -f fmod.c
c68 -L -c -f fprintf.c
c68 -L -c -f ftoa.c
c68 -L -c -f ftoffp.c
c68 -L -c -f ftol.c
c68 -L -c -f ltof.c
c68 -L -c -f printf.c

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/*
Copyright 1982
Alcyon Corporation
8716 Production Ave.
San Diego, Ca. 92121
*/
/*char *version "@(#) atof - dec 29, 1982"; */
/*
* Ascii String to FFP Floating Point Routine :
* FFP Standard Single Precision Representation Floating Point
*
* float
* atof(buf)
* char *buf;
*
* No more than 9 significant digits are allowed in single precision.
* Largest positive number is 3.4 * 10^18 and the smallest positive
* number is 1.2 * 10^-20.
* Rely's on the fact that a long and a float are both 32 bits.
*/
#define EXPSIZ 4
#define FRACSIZ 20
long fptoffp();
float strbin();
float power10();
long
atof(buf)
char *buf;
{
char ibuf[FRACSIZ], ebuf[EXPSIZ];
register char *ip, *ep;
long ffp;
int dp, esign, isign, ebin, places;
float ibin, fp;
ip = &ibuf; ep = &ebuf; dp = 0; places = 0L;
while (*buf == ' ' || *buf == '\t') /* ignore white spaces */
buf++;
isign = (*buf == '-');
if (*buf == '-' || *buf == '+')
buf++;
while (*buf && *buf != 'e' && *buf != 'E') {
if (*buf == '.')
dp++;
else { /* digit seen */
*ip++ = *buf;
if (dp)
places++;
}
buf++;
}
*ip = 0;
if (*buf == 'e' || *buf == 'E') { /* exponent string */
buf++;
esign = (*buf == '-');
if (*buf == '-' || *buf == '+')
buf++;
while (*buf) /* get exponent string */
*ep++ = *buf++;
}
*ep = 0;
ibin = strbin(ibuf);
ebin = atoi(ebuf);
places = (esign) ? -ebin - places : ebin - places;
fp = ibin * power10(places);
ffp = fptoffp(fp);
if (isign) /* negative float */
ffp =| 0x80;
return( ffp );
}
float
power10(pwr) /* 10^pwr */
int pwr;
{
float f;
if (pwr < 0) /* negative power */
for (f = 1.0; pwr < 0; pwr++)
f = f / 10.0;
else /* positive power */
for (f = 1.0; pwr > 0; pwr--)
f = f * 10.0;
return(f);
}
float
strbin(p) /* decimal string => binary long */
char *p;
{
float f;
for (f = 0.0; *p >= '0' && *p <= '9'; p++) {
f = f * 10.0;
f = f + (*p - '0');
}
return(f);
}

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/*
Copyright 1983
Alcyon Corporation
8716 Production Ave.
San Diego, Ca. 92121
*/
/*char *version "@(#) ceil - Feb 11, 1983";*/
/* ceil - returns the smallest integer (as a double precision
number) not greater than x. */
double
ceil(x)
double x;
{
register long i;
double retval;
if( x > 0 )
x += 0.999999999999;
i = x;
retval = i;
return( retval );
}

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/*
Copyright 1982
Alcyon Corporation
8716 Production Ave.
San Diego, Ca. 92121
*/
/*char *version "@(#) etoa - jan 24, 1982"; */
/*
* FFP Floating Point to Ascii String Conversion Routine :
* FFP Standard Single Precision Representation Floating Point
*
* char *
* etoa(f,buf,prec)
* float f;
* char *buf;
* int prec;
*
* No more than 9 decimal digits are allowed in single precision.
* Largest positive number is 3.4 * 10^18 and the smallest positive
* number is 1.2 * 10^-20.
* Rely's on the fact that a long and a float are both 32 bits.
*/
#define BIAS 127L
float ffptof();
char *
etoa(fl,buf,prec)
long fl; /* ffp formatted float */
char *buf;
int prec;
{
register char *bp;
register int exp, digit;
float f;
prec = (prec <= 0) ? 1 : (prec <= 9) ? prec : 9;
bp = buf;
f = ffptof(fl); /* get floating point value */
if (f < 0.0) { /* negative float */
*bp++ = '-';
f = -f; /* make it positive */
}
if (f == 0.0) {
*bp++ = '0'; *bp++ = '.';
while (prec--)
*bp++ = '0';
*bp++ = 'e'; *bp++ = '0'; *bp++ = '0'; *bp = 0;
return(buf);
}
for (exp=0; f < 1.0; f = f * 10.0) /* get negative exp */
exp--;
for ( ; f >= 1.0; f = f / 10.0) /* 0.XXXXXXE00 * 10^exp */
exp++;
exp--; /* for one explicit digit */
f = f * 10.0;
digit = f; /* get one digit */
f = f - digit;
*bp++ = digit + '0';
*bp++ = '.';
while(prec-- > 0) { /* get prec. decimal places */
f = f * 10.0;
digit = f;
f = f - digit;
*bp++ = digit + '0';
}
*bp++ = 'e';
if (exp < 0) {
exp = -exp;
*bp++ = '-';
}
*bp++ = (exp / 10) + '0';
*bp++ = (exp % 10) + '0';
*bp = 0;
return(buf);
}

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/*
Copyright 1982
Alcyon Corporation
8716 Production Ave.
San Diego, Ca. 92121
*/
/*char *version "@(#) fabs - jan 11, 1983";*/
/*
* Floating Point Absolute :
* Fast Floating Point Package
*
* double
* fabs(farg)
* double farg;
*
* Returns : absolute Floating point number
*/
long
fabs(f)
long f;
{
f = f & 0xffffff7f; /* turn off sign bit */
return(f);
}

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/*
Copyright 1982
Alcyon Corporation
8716 Production Ave.
San Diego, Ca. 92121
*/
/*char *version "@(#) _ffptof - Feb 1, 1983"; */
/*
* FFP Floating Point Representation to Internal Representation :
* FFP Standard Single Precision Representation Floating Point
*
* float
* ffptof(lf)
* long lf;
*
* Largest positive number is 3.4 * 10^18 and the smallest positive
* number is 1.2 * 10^-20.
* Rely's on the fact that a long and a float are both 32 bits.
*/
float
ffptof(lf)
long lf;
{
register int exp, count, fsign;
float f;
if (lf == 0L)
return(0.0);
fsign = (lf & 0x80);
exp = (lf & 0x7f) - 0x40;
lf = (lf>>8) & 0xffffff; /* 24 bits of fraction */
f = lf;
f = f / 16777216.0; /* 2 ^ 24 */
while (exp < 0) { /* negative exp : 2^-? */
f = f / 2.0;
exp++;
}
while (exp > 0) { /* positive exp : 2^+? */
f = f * 2.0;
exp--;
}
if (fsign)
f = -f;
return(f);
}

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/*
Copyright 1983
Alcyon Corporation
8716 Production Ave.
San Diego, Ca. 92121
*/
/*char *version "@(#) floor - Feb 11, 1983";
/* floor - returns the largest integer (as a double precision
number) not greater than x. */
double
floor(x)
double x;
{
register long i;
double retval;
if ( x < 0 )
x -= 0.99999999999999;
i = x;
retval = i;
return( retval );
}

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/*
Copyright 1983
Alcyon Corporation
8716 Production Ave.
San Diego, Ca. 92121
*/
/*char *version "@(#) fmod - Feb 11, 1983";
/* fmod - returns the number f such that x = iy + f, and
0 <= f <= y. */
double
fmod(x,y)
double x;
double y;
{
double z;
double retval;
register long i;
double fabs();
double absx;
double absy;
absx = fabs(x);
absy = fabs(y);
for(z = absx; z - absy >= 0. ; z -= absy)
;
i = z;
if( x < 0.0 )
i *= -1;
retval = i;
return( retval );
}

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/*
Copyright 1982
Alcyon Corporation
8716 Production Ave.
San Diego, Ca. 92121
*/
/**
** formated print
**/
/*char *version "@(#)fprintf - jan 24, 1982";*/
#include "/usr/regulus/stdio.h"
#define BUFSIZ 80
char *ftoa();
char *etoa();
char *petoa();
char *pftoa();
static char *__str;
FILE *__stream;
static char **_p;
fprintf(fp, plist)
FILE *fp;
char *plist;
{
if (!fp->_flag & _WMODE) return;
__stream = fp;
_p = &plist;
__doprintf(0);
fflush(fp);
}
sprintf(s, plist)
char *s, *plist;
{
__str = s;
_p = &plist;
__doprint(1);
*__str = NULL;
}
__doprint(mode)
int mode;
{
register char *fmt, c;
char buf[BUFSIZ];
extern char *__prtshort(), *__prtld();
register int *pi;
int width, prec;
int left, longf;
char padchar;
char *s;
int n;
auto (*fn)();
int len;
fmt = *_p++;
pi = _p;
while (c = *fmt++)
{
_p = pi;
if (c != '%')
{
__putch(mode, c);
continue;
}
left = 0;
if ((c = *fmt++) == '-')
{
c = *fmt++;
left++;
}
padchar = ' ';
if (c == '0')
{
padchar = c;
c = *fmt++;
}
width = -1;
while (c >= '0' && c <= '9')
{
if (width < 0)
width = 0;
width = width * 10 + (c - '0');
c = *fmt++;
}
prec = -1;
if (c == '.')
{
prec = 0;
c = *fmt++;
}
while (c >= '0' && c <= '9')
{
prec = prec * 10 + (c - '0');
c = *fmt++;
}
longf = 0;
if (c == 'l')
{
longf++;
c = *fmt++;
}
/*
* we now have all the prelims out of the way;
* let's see what we want to print
*/
s = buf;
switch (c)
{
case 'd': /* decimal signed */
case 'D':
if (longf)
fn = __prtld;
else
fn = __prtshort;
__prtint(pi++, buf, 10, 1, fn, 0);
if (longf)
pi++;
break;
case 'u': /* decimal unsigned */
case 'U':
__prtint(pi++, buf, 10, 0, __prtshort, 0);
break;
case 'o': /* octal unsigned */
case 'O':
if (longf)
fn = __prtld;
else
fn = __prtshort;
__prtint(pi++, buf, 8, 0, fn, 0);
if (longf)
pi++;
break;
case 'x': /* hexadecimal unsigned */
case 'X':
if (longf)
fn = __prtld;
else
fn = __prtshort;
__prtint(pi++, buf, 16, 0, fn, c == 'X');
if (longf)
pi++;
break;
case 's': /* string */
case 'S':
s = *_p++;
pi = _p;
break;
case 'c': /* character */
case 'C':
n = *pi++;
buf[0] = n;
buf[1] = '\0';
break;
case 'e': /* exponential */
case 'E':
petoa(pi, buf, prec);
pi =+ 2;
prec = -1;
break;
case 'f': /* floating */
case 'F':
fptoa(pi, buf, prec);
pi =+ 2;
prec = -1;
break;
case 'g': /* e or f */
case 'G':
pftoa(pi, buf, prec);
if (strlen(buf) > (7 + prec)) /* smallest fp string */
petoa(pi, buf, prec);
pi =+ 2;
prec = -1;
break;
default: /* just print the character */
__putch(mode, c);
continue;
}
len = __length(s);
if (prec < len && prec >= 0)
len = prec;
n = width - len;
if (!left)
{
if (padchar != ' ' && *s == '-')
{
len--;
__putch(mode, *s); s++;
}
while (n-- > 0)
__putch(mode, padchar);
}
while (len--) {
__putch(mode, *s); s++;
}
while (n-- > 0)
__putch(mode, padchar);
}
}
__putch(mode, c)
int mode;
char c;
{
if (mode)
*__str++ = c;
else
putc(c,__stream);
return (c);
}
char *
pftoa(addr,buf,prec)
float *addr;
char *buf;
int prec;
{
float fp;
if (prec<0)
prec = 6;
fp = *addr;
return( ftoa(fp, buf, prec) );
}
char *
petoa(addr,buf,prec)
float *addr;
char *buf;
int prec;
{
float fp;
if (prec<0)
prec = 6;
fp = *addr;
return( etoa(fp, buf, prec) );
}

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@@ -0,0 +1,79 @@
/*
Copyright 1982
Alcyon Corporation
8716 Production Ave.
San Diego, Ca. 92121
*/
/*char *version "@(#) ftoa - jan 24, 1982"; */
/*
* FFP Floating Point to Ascii String Conversion Routine :
* FFP Standard Single Precision Representation Floating Point
*
* char *
* ftoa(f,buf,prec)
* float f;
* char *buf;
* int prec;
*
* No more than 9 decimal digits are allowed in single precision.
* Largest positive number is 3.4 * 10^33 and the smallest positive
* number is 1.2 * 10^-38.
* Rely's on the fact that a long and a float are both 32 bits.
*/
#define BIAS 127L
float ffptof();
char *
ftoa(fl,buf,prec)
long fl; /* ffp formatted float */
char *buf;
int prec;
{
register char *bp;
register int exp, digit;
float f;
prec = (prec <= 0) ? 1 : (prec <= 9) ? prec : 9;
bp = buf;
f = ffptof(fl); /* get floating point value */
if (f < 0.0) { /* negative float */
*bp++ = '-';
f = -f; /* make it positive */
}
if (f == 0.0) {
*bp++ = '0'; *bp++ = '.';
while (prec--)
*bp++ = '0';
*bp = 0;
return(buf);
}
for (exp=0; f < 1.0; f = f * 10.0) /* get negative exp */
exp--;
for ( ; f >= 1.0; f = f / 10.0) /* 0.XXXXXXE00 * 10^exp */
exp++;
if (exp<=0) /* one significant digit */
*bp++ = '0';
for ( ; exp>0; exp--) { /* get significant digits */
f = f * 10.0;
digit = f; /* get one digit */
f = f - digit;
*bp++ = digit + '0';
}
*bp++ = '.';
for( ; exp<0 && prec; prec--, exp++) /* exp < 0 ? */
*bp++ = '0';
while(prec-- > 0) {
f = f * 10.0;
digit = f; /* get one digit */
f = f - digit;
*bp++ = digit + '0';
}
*bp = 0;
return(buf);
}

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@@ -0,0 +1,49 @@
/*
Copyright 1982
Alcyon Corporation
8716 Production Ave.
San Diego, Ca. 92121
*/
/*char *version "@(#) fptoffp - Feb 1, 1983"; */
/*
* Floating Point to FFP Floating Point Routine :
* FFP Standard Single Precision Representation Floating Point
*
* long
* fptoffp(f)
* float f;
*
* Rely's on the fact that a long and a float are both 32 bits.
*/
long
fptoffp(f) /* convert current machine float to ffp rep */
float f; /* unsigned input, guaranteed positive */
{
register int exp, count, sign;
long l;
if (f == 0.0)
return(0L);
if (f < 0.0) {
f = -f;
sign = 1;
}
else
sign = 0;
exp = 0L;
for( ; f >= 1.0; f = f / 2.0)
exp++;
for( ; f < 0.5; f = f * 2.0)
exp--;
f = f * 16777216.0; /* 2 ^ 24 */
l = f;
l =<< 8;
exp =+ 0x40;
l =| (exp & 0x7f);
if (sign)
l =| 0x80;
return(l);
}

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@@ -0,0 +1,43 @@
/*
Copyright 1982
Alcyon Corporation
8716 Production Ave.
San Diego, Ca. 92121
*/
/* char *version "@(#) ftol - Feb 1, 1983"; */
/*
* Floating Point Float to Long Routine :
* Front End to IEEE Floating Point Package.
*
* long
* fpftol(fparg)
* double fparg;
*
* Return : Fixed Point representation of Floating Point Number
*/
long
fpftol(f)
long f;
{
register long l;
register int exp, sign;
exp = (f & 0x7f) - 0x40;
if (f == 0L || exp < 0) /* underflow or 0 */
return(0L);
sign = (f & 0x80);
if (exp > 31) /* overflow */
return( (sign) ? 0x80000000 : 0x7fffffff);
l = (f>>8) & 0xffffff;
exp =- 24;
for( ; exp < 0 ; exp++)
l =>> 1;
for( ; exp > 0; exp--)
l =<< 1;
if (sign)
l = -l;
return(l);
}

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@@ -0,0 +1,47 @@
/*
Copyright 1982
Alcyon Corporation
8716 Production Ave.
San Diego, Ca. 92121
*/
/*char *version "@(#) fpltof - Feb 1, 1983"; */
/*
* Floating Point Long to Float Routine :
* Front End to FFP Floating Point Package.
*
* double
* fpltof(larg)
* long larg;
*
* Return : Floating Point representation of Long Fixed point integer
*/
long
fpltof(l)
long l;
{
register long exp;
register int sign;
if (l < 0L) { /* signed ?? */
sign = 1;
l = -l;
}
else
sign = 0;
if (l == 0L)
return(0L);
exp = 24L;
for( ; l & 0x7f000000; exp++) /* something in upper 7 bits */
l =>> 1;
for( ; !(l & 0x00800000); exp--) /* get mantissa : .F */
l =<< 1;
l =<< 8; /* mantissa (.F) into top 24 bits */
exp =+ 0x40;
l =| (exp & 0x7f);
if (sign)
l =| 0x80;
return(l);
}

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/*
Copyright 1982
Alcyon Corporation
8716 Production Ave.
San Diego, Ca. 92121
*/
//char *version "@(#)printf - jan 24, 1982";
/**
** formated print
**/
#define BUFSIZ 80
#define MAXFILES 15
char *etoa();
char *ftoa();
char *petoa();
char *pftoa();
printf(arg1,arg2,arg3)
char *arg1, *arg2, *arg3;
{
register char *fmt, c;
char buf[BUFSIZ];
extern char *__prtshort(), *__pprtld(), *__prtld();
int mode;
char *fd;
register char **p;
register int *pi;
int width, prec;
int left, longf;
char padchar;
char *s;
int n;
auto (*fn)();
int len;
if( arg1 == -1 ) {
mode = 2;
fd = arg2;
p = &arg3;
}
else if( arg1 < MAXFILES ) {
mode = 1; /* printf(fd,fmt,...) or printf(-1,str,fmt,...) */
fd = arg1;
p = &arg2;
}
else {
mode = 0;
fd = 0;
p = &arg1;
}
fmt = *p++;
pi = p;
while (c = *fmt++)
{
p = pi;
if (c != '%')
{
__pputch(mode, &fd, c);
continue;
}
left = 0;
if ((c = *fmt++) == '-')
{
c = *fmt++;
left++;
}
padchar = ' ';
if (c == '0')
{
padchar = c;
c = *fmt++;
}
width = -1;
while (c >= '0' && c <= '9')
{
if (width < 0)
width = 0;
width = width * 10 + (c - '0');
c = *fmt++;
}
prec = -1;
if (c == '.')
{
prec = 0;
c = *fmt++;
}
while (c >= '0' && c <= '9')
{
prec = prec * 10 + (c - '0');
c = *fmt++;
}
longf = 0;
if (c == 'l')
{
longf++;
c = *fmt++;
}
/* we now have all the prelims out of the way;
let's see what we want to print */
s = buf;
switch (c)
{
case 'd': /* decimal signed */
case 'D':
if (longf)
fn = __prtld;
else
fn = __prtshort;
__prtint(pi++, buf, 10, 1, fn, 0);
if (longf)
pi++;
break;
case 'u': /* decimal unsigned */
case 'U':
__prtint(pi++, buf, 10, 0, __prtshort, 0);
break;
case 'o': /* octal unsigned */
case 'O':
if (longf)
fn = __prtld;
else
fn = __prtshort;
__prtint(pi++, buf, 8, 0, fn, 0);
if (longf)
pi++;
break;
case 'x': /* hexadecimal unsigned */
case 'X':
if (longf)
fn = __prtld;
else
fn = __prtshort;
__prtint(pi++, buf, 16, 0, fn, c == 'X');
if (longf)
pi++;
break;
case 's': /* string */
case 'S':
s = *p++;
pi = p;
break;
case 'c': /* character */
case 'C':
n = *pi++;
buf[0] = n;
buf[1] = '\0';
break;
case 'e': /* exponential */
case 'E':
petoa(pi, buf, prec);
pi =+ 2;
prec = -1;
break;
case 'f': /* floating */
case 'F':
pftoa(pi, buf, prec);
pi =+ 2;
prec = -1;
break;
case 'g': /* e or f */
case 'G':
pftoa(pi, buf, prec);
if (strlen(buf) > (7 + prec) ) /* smallest fp string */
petoa(pi, buf, prec);
pi =+ 2;
prec = -1;
break;
default: /* just print the character */
__pputch(mode, &fd, c);
continue;
}
len = __length(s);
if (prec < len && prec >= 0)
len = prec;
n = width - len;
if (!left)
{
if (padchar != ' ' && *s == '-')
{
len--;
__pputch(mode, &fd, *s++);
}
while (n-- > 0)
__pputch(mode, &fd, padchar);
}
while (len--)
__pputch(mode, &fd, *s++);
while (n-- > 0)
__pputch(mode, &fd, padchar);
}
if (mode == 2)
*fd = '\0';
}
__pputch(mode, pfd, c)
int mode;
char c;
char **pfd;
{
register long fd;
switch (mode)
{
case 0:
if (write(1,&c,1) != 1) return(-1);
break;
case 1:
fd = *pfd;
if (write((int)fd,&c,1) != 1) return(-1);
break;
case 2:
*(*pfd)++ = c;
break;
}
return (c);
}
char *
pftoa(addr,buf,prec)
float *addr;
char *buf;
int prec;
{
float fp;
if (prec<0)
prec = 6;
fp = *addr;
return( ftoa(fp, buf, prec) );
}
char *
petoa(addr,buf,prec)
float *addr;
char *buf;
int prec;
{
float fp;
if (prec<0)
prec = 6;
fp = *addr;
return( etoa(fp, buf, prec) );
}