\f
/* Public functions. */
-typedef int convert_func (char *, const struct fmt_spec *,
- const union value *);
+typedef int numeric_converter (char *, const struct fmt_spec *, double);
+static numeric_converter convert_F, convert_N, convert_E, convert_F_plus;
+static numeric_converter convert_Z, convert_IB, convert_P, convert_PIB;
+static numeric_converter convert_PIBHEX, convert_PK, convert_RB;
+static numeric_converter convert_RBHEX, convert_CCx, convert_date;
+static numeric_converter convert_time, convert_WKDAY, convert_MONTH, try_F;
-static convert_func convert_F, convert_N, convert_E, convert_F_plus;
-static convert_func convert_Z, convert_A, convert_AHEX, convert_IB;
-static convert_func convert_P, convert_PIB, convert_PIBHEX, convert_PK;
-static convert_func convert_RB, convert_RBHEX, convert_CCx, convert_date;
-static convert_func convert_time, convert_WKDAY, convert_MONTH;
-static convert_func try_F;
+typedef int string_converter (char *, const struct fmt_spec *, const char *);
+static string_converter convert_A, convert_AHEX;
/* Converts binary value V into printable form in the exactly
FP->W character in buffer S according to format specification
void
data_out (char *s, const struct fmt_spec *fp, const union value *v)
{
- static convert_func *const handlers[FMT_NUMBER_OF_FORMATS] =
+ int cat = formats[fp->type].cat;
+ int ok;
+
+ if (!(cat & FCAT_STRING))
{
- convert_F, convert_N, convert_E, convert_F_plus,
- convert_F_plus, convert_F_plus, convert_F_plus,
- convert_Z, convert_A, convert_AHEX, convert_IB, convert_P, convert_PIB,
- convert_PIBHEX, convert_PK, convert_RB, convert_RBHEX,
- convert_CCx, convert_CCx, convert_CCx, convert_CCx, convert_CCx,
- convert_date, convert_date, convert_date, convert_date, convert_date,
- convert_date, convert_date, convert_date, convert_date,
- convert_time, convert_time,
- convert_WKDAY, convert_MONTH,
- };
+ /* Numeric formatting. */
+ double number = v->f;
+
+ /* Handle SYSMIS turning into blanks. */
+ if ((cat & FCAT_BLANKS_SYSMIS) && number == SYSMIS)
+ {
+ memset (s, ' ', fp->w);
+ s[fp->w - fp->d - 1] = '.';
+ return;
+ }
+
+ /* Handle decimal shift. */
+ if ((cat & FCAT_SHIFT_DECIMAL) && number != SYSMIS && fp->d)
+ number *= pow (10.0, fp->d);
+
+ switch (fp->type)
+ {
+ case FMT_F:
+ ok = convert_F (s, fp, number);
+ break;
+
+ case FMT_N:
+ ok = convert_N (s, fp, number);
+ break;
+
+ case FMT_E:
+ ok = convert_E (s, fp, number);
+ break;
+
+ case FMT_COMMA: case FMT_DOT: case FMT_DOLLAR: case FMT_PCT:
+ ok = convert_F_plus (s, fp, number);
+ break;
+
+ case FMT_Z:
+ ok = convert_Z (s, fp, number);
+ break;
+
+ case FMT_A:
+ assert (0);
+
+ case FMT_AHEX:
+ assert (0);
+
+ case FMT_IB:
+ ok = convert_IB (s, fp, number);
+ break;
+
+ case FMT_P:
+ ok = convert_P (s, fp, number);
+ break;
+
+ case FMT_PIB:
+ ok = convert_PIB (s, fp, number);
+ break;
+
+ case FMT_PIBHEX:
+ ok = convert_PIBHEX (s, fp, number);
+ break;
+
+ case FMT_PK:
+ ok = convert_PK (s, fp, number);
+ break;
+
+ case FMT_RB:
+ ok = convert_RB (s, fp, number);
+ break;
+
+ case FMT_RBHEX:
+ ok = convert_RBHEX (s, fp, number);
+ break;
+
+ case FMT_CCA: case FMT_CCB: case FMT_CCC: case FMT_CCD: case FMT_CCE:
+ ok = convert_CCx (s, fp, number);
+ break;
+
+ case FMT_DATE: case FMT_EDATE: case FMT_SDATE: case FMT_ADATE:
+ case FMT_JDATE: case FMT_QYR: case FMT_MOYR: case FMT_WKYR:
+ case FMT_DATETIME:
+ ok = convert_date (s, fp, number);
+ break;
+
+ case FMT_TIME: case FMT_DTIME:
+ ok = convert_time (s, fp, number);
+ break;
+
+ case FMT_WKDAY:
+ ok = convert_WKDAY (s, fp, number);
+ break;
+
+ case FMT_MONTH:
+ ok = convert_MONTH (s, fp, number);
+ break;
+
+ default:
+ assert (0);
+ }
+ }
+ else
+ {
+ /* String formatting. */
+ const char *string = v->s;
+
+ switch (fp->type)
+ {
+ case FMT_A:
+ ok = convert_A (s, fp, string);
+ break;
+
+ case FMT_AHEX:
+ ok = convert_AHEX (s, fp, string);
+ break;
+
+ default:
+ assert (0);
+ }
+ }
- union value tmp_val;
-
- {
- int cat = formats[fp->type].cat;
- if ((cat & FCAT_BLANKS_SYSMIS) && v->f == SYSMIS)
- {
- memset (s, ' ', fp->w);
- s[fp->w - fp->d - 1] = '.';
- return;
- }
- if ((cat & FCAT_SHIFT_DECIMAL) && v->f != SYSMIS && fp->d)
- {
- tmp_val.f = v->f * pow (10.0, fp->d);
- v = &tmp_val;
- }
- }
-
- if (!handlers[fp->type] (s, fp, v))
+ /* Error handling. */
+ if (!ok)
strncpy (s, "ERROR", fp->w);
}
void
num_to_string (double v, char *s, int w, int d)
{
- /* Dummies to pass to convert_F. */
- union value val;
+ /* Dummy to pass to convert_F. */
struct fmt_spec f;
#if !NEW_STYLE
f.w = w;
f.d = d;
- val.f = v;
/* Cut out the jokers. */
if (!finite (v))
return;
}
- try_F (s, &f, &val);
+ try_F (s, &f, v);
#if !NEW_STYLE
decp = memchr (s, set_decimal, w);
/* Handles F format. */
static int
-convert_F (char *dst, const struct fmt_spec *fp, const union value *v)
+convert_F (char *dst, const struct fmt_spec *fp, double number)
{
- if (!try_F (dst, fp, v))
- convert_E (dst, fp, v);
+ if (!try_F (dst, fp, number))
+ convert_E (dst, fp, number);
return 1;
}
/* Handles N format. */
static int
-convert_N (char *dst, const struct fmt_spec *fp, const union value *v)
+convert_N (char *dst, const struct fmt_spec *fp, double number)
{
- double d = floor (v->f);
+ double d = floor (number);
if (d < 0 || d == SYSMIS)
{
if (d < power10[fp->w])
{
char buf[128];
- sprintf (buf, "%0*.0f", fp->w, v->f);
+ sprintf (buf, "%0*.0f", fp->w, number);
memcpy (dst, buf, fp->w);
}
else
/* Handles E format. Also operates as fallback for some other
formats. */
static int
-convert_E (char *dst, const struct fmt_spec *fp, const union value *v)
+convert_E (char *dst, const struct fmt_spec *fp, double number)
{
/* Temporary buffer. */
char buf[128];
/* Put decimal places in usable range. */
d = min (fp->d, fp->w - 6);
- if (v->f < 0)
+ if (number < 0)
d--;
if (d < 0)
d = 0;
- sprintf (buf, "%*.*E", fp->w, d, v->f);
+ sprintf (buf, "%*.*E", fp->w, d, number);
/* What we do here is force the exponent part to have four
characters whenever possible. That is, 1.00E+99 is okay (`E+99')
the other hand, 1.00E1000 (`E+100') cannot be canonicalized.
Note that ANSI C guarantees at least two digits in the
exponent. */
- if (fabs (v->f) > 1e99)
+ if (fabs (number) > 1e99)
{
/* Pointer to the `E' in buf. */
char *cp;
/* Handles COMMA, DOT, DOLLAR, and PCT formats. */
static int
-convert_F_plus (char *dst, const struct fmt_spec *fp, const union value *v)
+convert_F_plus (char *dst, const struct fmt_spec *fp, double number)
{
char buf[40];
- if (try_F (buf, fp, v))
+ if (try_F (buf, fp, number))
insert_commas (dst, buf, fp);
else
- convert_E (dst, fp, v);
+ convert_E (dst, fp, number);
return 1;
}
static int
-convert_Z (char *dst, const struct fmt_spec *fp, const union value *v)
+convert_Z (char *dst, const struct fmt_spec *fp, double number)
{
static int warned = 0;
if (!warned)
{
msg (MW,
- _("Quality of zoned decimal (Z) output format code is suspect. Check your results. Report bugs to %s."),
+ _("Quality of zoned decimal (Z) output format code is "
+ "suspect. Check your results. Report bugs to %s."),
PACKAGE_BUGREPORT);
warned = 1;
}
- if (v->f == SYSMIS)
+ if (number == SYSMIS)
{
msg (ME, _("The system-missing value cannot be output as a zoned "
"decimal number."));
double d;
int i;
- d = fabs (floor (v->f));
+ d = fabs (floor (number));
if (d >= power10[fp->w])
{
msg (ME, _("Number %g too big to fit in field with format Z%d.%d."),
- v->f, fp->w, fp->d);
+ number, fp->w, fp->d);
return 0;
}
- sprintf (buf, "%*.0f", fp->w, v->f);
+ sprintf (buf, "%*.0f", fp->w, number);
for (i = 0; i < fp->w; i++)
dst[i] = (buf[i] - '0') | 0xf0;
- if (v->f < 0)
+ if (number < 0)
dst[fp->w - 1] &= 0xdf;
}
}
static int
-convert_A (char *dst, const struct fmt_spec *fp, const union value *v)
+convert_A (char *dst, const struct fmt_spec *fp, const char *string)
{
- memcpy (dst, v->s, fp->w);
+ memcpy (dst, string, fp->w);
return 1;
}
static int
-convert_AHEX (char *dst, const struct fmt_spec *fp, const union value *v)
+convert_AHEX (char *dst, const struct fmt_spec *fp, const char *string)
{
int i;
for (i = 0; i < fp->w / 2; i++)
{
- ((unsigned char *) dst)[i * 2] = MAKE_HEXIT ((v->s[i]) >> 4);
- ((unsigned char *) dst)[i * 2 + 1] = MAKE_HEXIT ((v->s[i]) & 0xf);
+ *dst++ = MAKE_HEXIT ((string[i]) >> 4);
+ *dst++ = MAKE_HEXIT ((string[i]) & 0xf);
}
return 1;
}
static int
-convert_IB (char *dst, const struct fmt_spec *fp, const union value *v)
+convert_IB (char *dst, const struct fmt_spec *fp, double number)
{
- /* Strategy: Basically the same as convert_PIBHEX() but with base
- 256. Then it's necessary to negate the two's-complement result if
- v->f is negative. */
+ /* Strategy: Basically the same as convert_PIBHEX() but with
+ base 256. Then negate the two's-complement result if number
+ is negative. */
/* Used for constructing the two's-complement result. */
unsigned temp[8];
int i;
/* Make the exponent (-8*fp->w-1). */
- frac = frexp (fabs (v->f), &exp);
+ frac = frexp (fabs (number), &exp);
diff = exp - (-8 * fp->w - 1);
exp -= diff;
frac *= ldexp (1.0, diff);
temp[i] = floor (frac);
}
- /* Perform two's-complement negation if v->f is negative. */
- if (v->f < 0)
+ /* Perform two's-complement negation if number is negative. */
+ if (number < 0)
{
/* Perform NOT operation. */
for (i = 0; i < fp->w; i++)
}
static int
-convert_P (char *dst, const struct fmt_spec *fp, const union value *v)
+convert_P (char *dst, const struct fmt_spec *fp, double number)
{
- /* Buffer for v->f*2-1 characters + a decimal point if library is
+ /* Buffer for fp->w*2-1 characters + a decimal point if library is
not quite compliant + a null. */
char buf[17];
int i;
/* Main extraction. */
- sprintf (buf, "%0*.0f", fp->w * 2 - 1, floor (fabs (v->f)));
+ sprintf (buf, "%0*.0f", fp->w * 2 - 1, floor (fabs (number)));
for (i = 0; i < fp->w; i++)
((unsigned char *) dst)[i]
/* Set sign. */
dst[fp->w - 1] &= 0xf0;
- if (v->f >= 0.0)
+ if (number >= 0.0)
dst[fp->w - 1] |= 0xf;
else
dst[fp->w - 1] |= 0xd;
}
static int
-convert_PIB (char *dst, const struct fmt_spec *fp, const union value *v)
+convert_PIB (char *dst, const struct fmt_spec *fp, double number)
{
/* Strategy: Basically the same as convert_IB(). */
int i;
/* Make the exponent (-8*fp->w). */
- frac = frexp (fabs (v->f), &exp);
+ frac = frexp (fabs (number), &exp);
diff = exp - (-8 * fp->w);
exp -= diff;
frac *= ldexp (1.0, diff);
}
static int
-convert_PIBHEX (char *dst, const struct fmt_spec *fp, const union value *v)
+convert_PIBHEX (char *dst, const struct fmt_spec *fp, double number)
{
/* Strategy: Use frexp() to create a normalized result (but mostly
to find the base-2 exponent), then change the base-2 exponent to
int i;
/* Make the exponent (-4*fp->w). */
- frac = frexp (fabs (v->f), &exp);
+ frac = frexp (fabs (number), &exp);
diff = exp - (-4 * fp->w);
exp -= diff;
frac *= ldexp (1.0, diff);
}
static int
-convert_PK (char *dst, const struct fmt_spec *fp, const union value *v)
+convert_PK (char *dst, const struct fmt_spec *fp, double number)
{
- /* Buffer for v->f*2 characters + a decimal point if library is not
+ /* Buffer for fp->w*2 characters + a decimal point if library is not
quite compliant + a null. */
char buf[18];
int i;
/* Main extraction. */
- sprintf (buf, "%0*.0f", fp->w * 2, floor (fabs (v->f)));
+ sprintf (buf, "%0*.0f", fp->w * 2, floor (fabs (number)));
for (i = 0; i < fp->w; i++)
((unsigned char *) dst)[i]
}
static int
-convert_RB (char *dst, const struct fmt_spec *fp, const union value *v)
+convert_RB (char *dst, const struct fmt_spec *fp, double number)
{
union
{
}
u;
- u.d = v->f;
+ u.d = number;
memcpy (dst, u.c, fp->w);
return 1;
}
static int
-convert_RBHEX (char *dst, const struct fmt_spec *fp, const union value *v)
+convert_RBHEX (char *dst, const struct fmt_spec *fp, double number)
{
union
{
int i;
- u.d = v->f;
+ u.d = number;
for (i = 0; i < fp->w / 2; i++)
{
*dst++ = MAKE_HEXIT (u.c[i] >> 4);
}
static int
-convert_CCx (char *dst, const struct fmt_spec *fp, const union value *v)
+convert_CCx (char *dst, const struct fmt_spec *fp, double number)
{
- if (try_CCx (dst, fp, v->f))
+ if (try_CCx (dst, fp, number))
return 1;
else
{
f.w = fp->w;
f.d = fp->d;
- return convert_F (dst, &f, v);
+ return convert_F_plus (dst, &f, number);
}
}
static int
-convert_date (char *dst, const struct fmt_spec *fp, const union value *v)
+convert_date (char *dst, const struct fmt_spec *fp, double number)
{
static const char *months[12] =
{
char buf[64] = {0};
int month, day, year;
- julian_to_calendar (v->f / 86400., &year, &month, &day);
+ julian_to_calendar (number / 86400., &year, &month, &day);
switch (fp->type)
{
case FMT_DATE:
break;
case FMT_JDATE:
{
- int yday = (v->f / 86400.) - calendar_to_julian (year, 1, 1) + 1;
+ int yday = (number / 86400.) - calendar_to_julian (year, 1, 1) + 1;
if (fp->w >= 7)
{
break;
case FMT_WKYR:
{
- int yday = (v->f / 86400.) - calendar_to_julian (year, 1, 1) + 1;
+ int yday = (number / 86400.) - calendar_to_julian (year, 1, 1) + 1;
if (fp->w >= 10)
sprintf (buf, "%02d WK% 04d", (yday - 1) / 7 + 1, year);
cp = spprintf (buf, "%02d-%s-%04d %02d:%02d",
day, months[month - 1], year,
- (int) fmod (floor (v->f / 60. / 60.), 24.),
- (int) fmod (floor (v->f / 60.), 60.));
+ (int) fmod (floor (number / 60. / 60.), 24.),
+ (int) fmod (floor (number / 60.), 60.));
if (fp->w >= 20)
{
int w, d;
d = 0;
}
- cp = spprintf (cp, ":%0*.*f", w, d, fmod (v->f, 60.));
+ cp = spprintf (cp, ":%0*.*f", w, d, fmod (number, 60.));
}
}
break;
}
static int
-convert_time (char *dst, const struct fmt_spec *fp, const union value *v)
+convert_time (char *dst, const struct fmt_spec *fp, double number)
{
char temp_buf[40];
char *cp;
double time;
int width;
- if (fabs (v->f) > 1e20)
+ if (fabs (number) > 1e20)
{
msg (ME, _("Time value %g too large in magnitude to convert to "
- "alphanumeric time."), v->f);
+ "alphanumeric time."), number);
return 0;
}
- time = v->f;
+ time = number;
width = fp->w;
cp = temp_buf;
if (time < 0)
}
static int
-convert_WKDAY (char *dst, const struct fmt_spec *fp, const union value *v)
+convert_WKDAY (char *dst, const struct fmt_spec *fp, double wkday)
{
static const char *weekdays[7] =
{
"THURSDAY", "FRIDAY", "SATURDAY",
};
- int x = v->f;
-
- if (x < 1 || x > 7)
+ if (wkday < 1 || wkday > 7)
{
- msg (ME, _("Weekday index %d does not lie between 1 and 7."), x);
+ msg (ME, _("Weekday index %f does not lie between 1 and 7."),
+ (double) wkday);
return 0;
}
- st_bare_pad_copy (dst, weekdays[x - 1], fp->w);
+ st_bare_pad_copy (dst, weekdays[(int) wkday - 1], fp->w);
return 1;
}
static int
-convert_MONTH (char *dst, const struct fmt_spec *fp, const union value *v)
+convert_MONTH (char *dst, const struct fmt_spec *fp, double month)
{
static const char *months[12] =
{
"JULY", "AUGUST", "SEPTEMBER", "OCTOBER", "NOVEMBER", "DECEMBER",
};
- int x = v->f;
-
- if (x < 1 || x > 12)
+ if (month < 1 || month > 12)
{
- msg (ME, _("Month index %d does not lie between 1 and 12."), x);
+ msg (ME, _("Month index %f does not lie between 1 and 12."),
+ month);
return 0;
}
- st_bare_pad_copy (dst, months[x - 1], fp->w);
+ st_bare_pad_copy (dst, months[(int) month - 1], fp->w);
return 1;
}
}
static int
-try_CCx (char *dst, const struct fmt_spec *fp, double v)
+try_CCx (char *dst, const struct fmt_spec *fp, double number)
{
struct set_cust_currency *cc = &set_cc[fp->type - FMT_CCA];
proper. */
f.type = cc->decimal == set_decimal ? FMT_COMMA : FMT_DOT;
f.w = fp->w - strlen (cc->prefix) - strlen (cc->suffix);
- if (v < 0)
+ if (number < 0)
f.w -= strlen (cc->neg_prefix) + strlen (cc->neg_suffix) - 1;
else
/* Convert -0 to +0. */
- v = fabs (v);
+ number = fabs (number);
f.d = fp->d;
if (f.w <= 0)
/* There's room for all that currency crap. Let's do the F
conversion first. */
- if (!convert_F (buf, &f, (union value *) &v) || *buf == '*')
+ if (!convert_F (buf, &f, number) || *buf == '*')
return 0;
insert_commas (buf2, buf, &f);
/* Postprocess back into buf. */
cp = buf;
- if (v < 0)
+ if (number < 0)
cp = stpcpy (cp, cc->neg_prefix);
cp = stpcpy (cp, cc->prefix);
{
while (*bp == ' ')
bp++;
- assert ((v >= 0) ^ (*bp == '-'));
- if (v < 0)
+ assert ((number >= 0) ^ (*bp == '-'));
+ if (number < 0)
bp++;
memcpy (cp, bp, f.w - (bp - buf2));
cp += f.w - (bp - buf2);
}
cp = stpcpy (cp, cc->suffix);
- if (v < 0)
+ if (number < 0)
cp = stpcpy (cp, cc->neg_suffix);
/* Copy into dst. */
LONG TIME! The rest of the program is heavily dependent on
specific properties of this routine's output. LOG ALL CHANGES! */
static int
-try_F (char *dst, const struct fmt_spec *fp, const union value *value)
+try_F (char *dst, const struct fmt_spec *fp, double number)
{
/* This is the DELTA array from Knuth.
DELTA[j] = floor((40+2**(j-1))/(2**j)). */
(40 + 16) / 32, (40 + 32) / 64, (40 + 64) / 128,
};
- /* The number of digits in floor(v), including sign. This is `i'
- from Knuth. */
+ /* The number of digits in floor(number), including sign. This
+ is `i' from Knuth. */
int n_int = (40 + 1) / 2;
/* Used to step through delta[]. This is `j' from Knuth. */
int j = 2;
- /* Value. */
- double v = value->f;
-
- /* Magnitude of v. This is `K' from Knuth. */
+ /* Magnitude of number. This is `K' from Knuth. */
double mag;
/* Number of characters for the fractional part, including the
char buf[128];
/* First check for infinities and NaNs. 12/13/96. */
- if (!finite (v))
+ if (!finite (number))
{
- n = nsprintf (buf, "%f", v);
+ n = nsprintf (buf, "%f", number);
if (n > fp->w)
memset (buf, '*', fp->w);
else if (n < fp->w)
}
/* Then check for radically out-of-range values. */
- mag = fabs (v);
+ mag = fabs (number);
if (mag >= power10[fp->w])
return 0;
n_int = 0;
/* Avoid printing `-.000'. 7/6/96. */
- if (approx_eq (v, 0.0))
- v = 0.0;
+ if (approx_eq (number, 0.0))
+ number = 0.0;
}
else
/* Now perform a `uniform binary search' based on the tables
power10[] and delta[]. After this step, nint is the number of
- digits in floor(v), including any sign. */
+ digits in floor(number), including any sign. */
for (;;)
{
if (mag >= power10[n_int]) /* Should this be approx_ge()? */
n_dec++;
/* 1/10/96: If there aren't any digits at all, add one. This occurs
- only when fabs(v) < 1.0. */
+ only when fabs(number) < 1.0. */
if (n_int + n_dec == 0)
n_int++;
/* Give space for a minus sign. Moved 1/10/96. */
- if (v < 0)
+ if (number < 0)
n_int++;
/* Normally we only go through the loop once; occasionally twice.
/* Finally, format the number. */
if (n_dec)
- n = nsprintf (cp, "%.*f", n_dec - 1, v);
+ n = nsprintf (cp, "%.*f", n_dec - 1, number);
else
- n = nsprintf (cp, "%.0f", v);
+ n = nsprintf (cp, "%.0f", number);
- /* If v is positive and its magnitude is less than 1... */
+ /* If number is positive and its magnitude is less than
+ 1... */
if (n_int == 0)
{
if (*cp == '0')
continue;
}
}
- /* Else if v is negative and its magnitude is less than 1... */
- else if (v < 0 && n_int == 1)
+ /* Else if number is negative and its magnitude is less
+ than 1... */
+ else if (number < 0 && n_int == 1)
{
if (cp[1] == '0')
{