/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
-/* The Compaq (ex-DEC) C 6.4 compiler chokes on the expression 0.0 / 0.0. */
-#ifdef __DECC
-static double
-NaN ()
-{
- static double zero = 0.0;
- return zero / zero;
-}
-#else
-# define NaN() (0.0 / 0.0)
-#endif
+#include "nan.h"
/* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
static int
have_minus_zero ()
{
static double plus_zero = 0.0;
- static double minus_zero = -0.0;
+ double minus_zero = - plus_zero;
return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
}
+/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0.
+ So we use -zero instead. */
+double zerod = 0.0;
+
+/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0L.
+ So we use -zero instead. */
+long double zerol = 0.0L;
+
/* Representation of an 80-bit 'long double' as an initializer for a sequence
of 'unsigned int' words. */
#ifdef WORDS_BIGENDIAN
{ /* Negative zero. */
char result[1000];
int retval =
- my_sprintf (result, "%a %d", -0.0, 33, 44, 55);
+ my_sprintf (result, "%a %d", -zerod, 33, 44, 55);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0x0p+0 33") == 0);
ASSERT (retval == strlen (result));
{ /* NaN. */
char result[1000];
int retval =
- my_sprintf (result, "%a %d", NaN (), 33, 44, 55);
+ my_sprintf (result, "%a %d", NaNd (), 33, 44, 55);
ASSERT (strlen (result) >= 3 + 3
&& strisnan (result, 0, strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
{ /* FLAG_ZERO with NaN. */
char result[1000];
int retval =
- my_sprintf (result, "%050a %d", NaN (), 33, 44, 55);
+ my_sprintf (result, "%050a %d", NaNd (), 33, 44, 55);
/* "0000000nan 33" is not a valid result; see
<http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
ASSERT (strlen (result) == 50 + 3
{ /* Negative zero. */
char result[1000];
int retval =
- my_sprintf (result, "%La %d", -0.0L, 33, 44, 55);
+ my_sprintf (result, "%La %d", -zerol, 33, 44, 55);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0x0p+0 33") == 0);
ASSERT (retval == strlen (result));
{ /* NaN. */
char result[1000];
int retval =
- my_sprintf (result, "%La %d", 0.0L / 0.0L, 33, 44, 55);
+ my_sprintf (result, "%La %d", NaNl (), 33, 44, 55);
ASSERT (strlen (result) >= 3 + 3
&& strisnan (result, 0, strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
{ /* FLAG_ZERO with NaN. */
char result[1000];
int retval =
- my_sprintf (result, "%050La %d", 0.0L / 0.0L, 33, 44, 55);
+ my_sprintf (result, "%050La %d", NaNl (), 33, 44, 55);
/* "0000000nan 33" is not a valid result; see
<http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
ASSERT (strlen (result) == 50 + 3
{ /* Negative zero. */
char result[1000];
int retval =
- my_sprintf (result, "%f %d", -0.0, 33, 44, 55);
+ my_sprintf (result, "%f %d", -zerod, 33, 44, 55);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0.000000 33") == 0);
ASSERT (retval == strlen (result));
{ /* NaN. */
char result[1000];
int retval =
- my_sprintf (result, "%f %d", NaN (), 33, 44, 55);
+ my_sprintf (result, "%f %d", NaNd (), 33, 44, 55);
ASSERT (strlen (result) >= 3 + 3
&& strisnan (result, 0, strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
{ /* FLAG_ZERO with NaN. */
char result[1000];
int retval =
- my_sprintf (result, "%050f %d", NaN (), 33, 44, 55);
+ my_sprintf (result, "%050f %d", NaNd (), 33, 44, 55);
ASSERT (strlen (result) == 50 + 3
&& strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (retval == strlen (result));
}
+ { /* Precision with no rounding. */
+ char result[100];
+ int retval =
+ my_sprintf (result, "%.2f %d", 999.951, 33, 44, 55);
+ ASSERT (strcmp (result, "999.95 33") == 0);
+ ASSERT (retval == strlen (result));
+ }
+
+ { /* Precision with rounding. */
+ char result[100];
+ int retval =
+ my_sprintf (result, "%.2f %d", 999.996, 33, 44, 55);
+ ASSERT (strcmp (result, "1000.00 33") == 0);
+ ASSERT (retval == strlen (result));
+ }
+
{ /* A positive number. */
char result[1000];
int retval =
{ /* Negative zero. */
char result[1000];
int retval =
- my_sprintf (result, "%Lf %d", -0.0L, 33, 44, 55);
+ my_sprintf (result, "%Lf %d", -zerol, 33, 44, 55);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0.000000 33") == 0);
ASSERT (retval == strlen (result));
}
{ /* NaN. */
- static long double zero = 0.0L;
char result[1000];
int retval =
- my_sprintf (result, "%Lf %d", zero / zero, 33, 44, 55);
+ my_sprintf (result, "%Lf %d", NaNl (), 33, 44, 55);
ASSERT (strlen (result) >= 3 + 3
&& strisnan (result, 0, strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
}
{ /* FLAG_ZERO with NaN. */
- static long double zero = 0.0L;
char result[1000];
int retval =
- my_sprintf (result, "%050Lf %d", zero / zero, 33, 44, 55);
+ my_sprintf (result, "%050Lf %d", NaNl (), 33, 44, 55);
ASSERT (strlen (result) == 50 + 3
&& strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (retval == strlen (result));
}
+ { /* Precision with no rounding. */
+ char result[100];
+ int retval =
+ my_sprintf (result, "%.2Lf %d", 999.951L, 33, 44, 55);
+ ASSERT (strcmp (result, "999.95 33") == 0);
+ ASSERT (retval == strlen (result));
+ }
+
+ { /* Precision with rounding. */
+ char result[100];
+ int retval =
+ my_sprintf (result, "%.2Lf %d", 999.996L, 33, 44, 55);
+ ASSERT (strcmp (result, "1000.00 33") == 0);
+ ASSERT (retval == strlen (result));
+ }
+
/* Test the support of the %F format directive. */
{ /* A positive number. */
{ /* Negative zero. */
char result[1000];
int retval =
- my_sprintf (result, "%F %d", -0.0, 33, 44, 55);
+ my_sprintf (result, "%F %d", -zerod, 33, 44, 55);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0.000000 33") == 0);
ASSERT (retval == strlen (result));
{ /* NaN. */
char result[1000];
int retval =
- my_sprintf (result, "%F %d", NaN (), 33, 44, 55);
+ my_sprintf (result, "%F %d", NaNd (), 33, 44, 55);
ASSERT (strlen (result) >= 3 + 3
&& strisnan (result, 0, strlen (result) - 3, 1)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (retval == strlen (result));
}
+ { /* Precision with no rounding. */
+ char result[100];
+ int retval =
+ my_sprintf (result, "%.2F %d", 999.951, 33, 44, 55);
+ ASSERT (strcmp (result, "999.95 33") == 0);
+ ASSERT (retval == strlen (result));
+ }
+
+ { /* Precision with rounding. */
+ char result[100];
+ int retval =
+ my_sprintf (result, "%.2F %d", 999.996, 33, 44, 55);
+ ASSERT (strcmp (result, "1000.00 33") == 0);
+ ASSERT (retval == strlen (result));
+ }
+
{ /* A positive number. */
char result[1000];
int retval =
{ /* Negative zero. */
char result[1000];
int retval =
- my_sprintf (result, "%LF %d", -0.0L, 33, 44, 55);
+ my_sprintf (result, "%LF %d", -zerol, 33, 44, 55);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0.000000 33") == 0);
ASSERT (retval == strlen (result));
}
{ /* NaN. */
- static long double zero = 0.0L;
char result[1000];
int retval =
- my_sprintf (result, "%LF %d", zero / zero, 33, 44, 55);
+ my_sprintf (result, "%LF %d", NaNl (), 33, 44, 55);
ASSERT (strlen (result) >= 3 + 3
&& strisnan (result, 0, strlen (result) - 3, 1)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (retval == strlen (result));
}
+ { /* Precision with no rounding. */
+ char result[100];
+ int retval =
+ my_sprintf (result, "%.2LF %d", 999.951L, 33, 44, 55);
+ ASSERT (strcmp (result, "999.95 33") == 0);
+ ASSERT (retval == strlen (result));
+ }
+
+ { /* Precision with rounding. */
+ char result[100];
+ int retval =
+ my_sprintf (result, "%.2LF %d", 999.996L, 33, 44, 55);
+ ASSERT (strcmp (result, "1000.00 33") == 0);
+ ASSERT (retval == strlen (result));
+ }
+
/* Test the support of the %e format directive. */
{ /* A positive number. */
int retval =
my_sprintf (result, "%e", data[k].value);
const char *expected = data[k].string;
- ASSERT (result != NULL);
ASSERT (strcmp (result, expected) == 0
/* Some implementations produce exponents with 3 digits. */
|| (strlen (result) == strlen (expected) + 1
{ /* Negative zero. */
char result[1000];
int retval =
- my_sprintf (result, "%e %d", -0.0, 33, 44, 55);
+ my_sprintf (result, "%e %d", -zerod, 33, 44, 55);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0.000000e+00 33") == 0
|| strcmp (result, "-0.000000e+000 33") == 0);
{ /* NaN. */
char result[1000];
int retval =
- my_sprintf (result, "%e %d", NaN (), 33, 44, 55);
+ my_sprintf (result, "%e %d", NaNd (), 33, 44, 55);
ASSERT (strlen (result) >= 3 + 3
&& strisnan (result, 0, strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
{ /* FLAG_ZERO with NaN. */
char result[1000];
int retval =
- my_sprintf (result, "%050e %d", NaN (), 33, 44, 55);
+ my_sprintf (result, "%050e %d", NaNd (), 33, 44, 55);
ASSERT (strlen (result) == 50 + 3
&& strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (retval == strlen (result));
}
+ { /* Precision with no rounding. */
+ char result[100];
+ int retval =
+ my_sprintf (result, "%.4e %d", 999.951, 33, 44, 55);
+ ASSERT (strcmp (result, "9.9995e+02 33") == 0
+ || strcmp (result, "9.9995e+002 33") == 0);
+ ASSERT (retval == strlen (result));
+ }
+
+ { /* Precision with rounding. */
+ char result[100];
+ int retval =
+ my_sprintf (result, "%.4e %d", 999.996, 33, 44, 55);
+ ASSERT (strcmp (result, "1.0000e+03 33") == 0
+ || strcmp (result, "1.0000e+003 33") == 0);
+ ASSERT (retval == strlen (result));
+ }
+
{ /* A positive number. */
char result[1000];
int retval =
my_sprintf (result, "%Le %d", 12.75L, 33, 44, 55);
- ASSERT (strcmp (result, "1.275000e+01 33") == 0);
+ ASSERT (strcmp (result, "1.275000e+01 33") == 0
+ || strcmp (result, "1.275000e+001 33") == 0);
ASSERT (retval == strlen (result));
}
char result[1000];
int retval =
my_sprintf (result, "%Le %d", 1234567.0L, 33, 44, 55);
- ASSERT (strcmp (result, "1.234567e+06 33") == 0);
+ ASSERT (strcmp (result, "1.234567e+06 33") == 0
+ || strcmp (result, "1.234567e+006 33") == 0);
ASSERT (retval == strlen (result));
}
char result[1000];
int retval =
my_sprintf (result, "%Le", data[k].value);
- ASSERT (strcmp (result, data[k].string) == 0);
+ const char *expected = data[k].string;
+ ASSERT (strcmp (result, expected) == 0
+ /* Some implementations produce exponents with 3 digits. */
+ || (strlen (result) == strlen (expected) + 1
+ && memcmp (result, expected, strlen (expected) - 2) == 0
+ && result[strlen (expected) - 2] == '0'
+ && strcmp (result + strlen (expected) - 1,
+ expected + strlen (expected) - 2)
+ == 0));
ASSERT (retval == strlen (result));
}
}
char result[1000];
int retval =
my_sprintf (result, "%Le %d", -0.03125L, 33, 44, 55);
- ASSERT (strcmp (result, "-3.125000e-02 33") == 0);
+ ASSERT (strcmp (result, "-3.125000e-02 33") == 0
+ || strcmp (result, "-3.125000e-002 33") == 0);
ASSERT (retval == strlen (result));
}
char result[1000];
int retval =
my_sprintf (result, "%Le %d", 0.0L, 33, 44, 55);
- ASSERT (strcmp (result, "0.000000e+00 33") == 0);
+ ASSERT (strcmp (result, "0.000000e+00 33") == 0
+ || strcmp (result, "0.000000e+000 33") == 0);
ASSERT (retval == strlen (result));
}
{ /* Negative zero. */
char result[1000];
int retval =
- my_sprintf (result, "%Le %d", -0.0L, 33, 44, 55);
+ my_sprintf (result, "%Le %d", -zerol, 33, 44, 55);
if (have_minus_zero ())
- ASSERT (strcmp (result, "-0.000000e+00 33") == 0);
+ ASSERT (strcmp (result, "-0.000000e+00 33") == 0
+ || strcmp (result, "-0.000000e+000 33") == 0);
ASSERT (retval == strlen (result));
}
}
{ /* NaN. */
- static long double zero = 0.0L;
char result[1000];
int retval =
- my_sprintf (result, "%Le %d", zero / zero, 33, 44, 55);
+ my_sprintf (result, "%Le %d", NaNl (), 33, 44, 55);
ASSERT (strlen (result) >= 3 + 3
&& strisnan (result, 0, strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
char result[1000];
int retval =
my_sprintf (result, "%15Le %d", 1.75L, 33, 44, 55);
- ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
+ ASSERT (strcmp (result, " 1.750000e+00 33") == 0
+ || strcmp (result, " 1.750000e+000 33") == 0);
ASSERT (retval == strlen (result));
}
char result[1000];
int retval =
my_sprintf (result, "%-15Le %d", 1.75L, 33, 44, 55);
- ASSERT (strcmp (result, "1.750000e+00 33") == 0);
+ ASSERT (strcmp (result, "1.750000e+00 33") == 0
+ || strcmp (result, "1.750000e+000 33") == 0);
ASSERT (retval == strlen (result));
}
char result[1000];
int retval =
my_sprintf (result, "%+Le %d", 1.75L, 33, 44, 55);
- ASSERT (strcmp (result, "+1.750000e+00 33") == 0);
+ ASSERT (strcmp (result, "+1.750000e+00 33") == 0
+ || strcmp (result, "+1.750000e+000 33") == 0);
ASSERT (retval == strlen (result));
}
char result[1000];
int retval =
my_sprintf (result, "% Le %d", 1.75L, 33, 44, 55);
- ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
+ ASSERT (strcmp (result, " 1.750000e+00 33") == 0
+ || strcmp (result, " 1.750000e+000 33") == 0);
ASSERT (retval == strlen (result));
}
char result[1000];
int retval =
my_sprintf (result, "%#Le %d", 1.75L, 33, 44, 55);
- ASSERT (strcmp (result, "1.750000e+00 33") == 0);
+ ASSERT (strcmp (result, "1.750000e+00 33") == 0
+ || strcmp (result, "1.750000e+000 33") == 0);
ASSERT (retval == strlen (result));
}
char result[1000];
int retval =
my_sprintf (result, "%#.Le %d", 1.75L, 33, 44, 55);
- ASSERT (strcmp (result, "2.e+00 33") == 0);
+ ASSERT (strcmp (result, "2.e+00 33") == 0
+ || strcmp (result, "2.e+000 33") == 0);
ASSERT (retval == strlen (result));
}
char result[1000];
int retval =
my_sprintf (result, "%#.Le %d", 9.75L, 33, 44, 55);
- ASSERT (strcmp (result, "1.e+01 33") == 0);
+ ASSERT (strcmp (result, "1.e+01 33") == 0
+ || strcmp (result, "1.e+001 33") == 0);
ASSERT (retval == strlen (result));
}
char result[1000];
int retval =
my_sprintf (result, "%015Le %d", 1234.0L, 33, 44, 55);
- ASSERT (strcmp (result, "0001.234000e+03 33") == 0);
+ ASSERT (strcmp (result, "0001.234000e+03 33") == 0
+ || strcmp (result, "001.234000e+003 33") == 0);
ASSERT (retval == strlen (result));
}
}
{ /* FLAG_ZERO with NaN. */
- static long double zero = 0.0L;
char result[1000];
int retval =
- my_sprintf (result, "%050Le %d", zero / zero, 33, 44, 55);
+ my_sprintf (result, "%050Le %d", NaNl (), 33, 44, 55);
ASSERT (strlen (result) == 50 + 3
&& strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
char result[1000];
int retval =
my_sprintf (result, "%.Le %d", 1234.0L, 33, 44, 55);
- ASSERT (strcmp (result, "1e+03 33") == 0);
+ ASSERT (strcmp (result, "1e+03 33") == 0
+ || strcmp (result, "1e+003 33") == 0);
+ ASSERT (retval == strlen (result));
+ }
+
+ { /* Precision with no rounding. */
+ char result[100];
+ int retval =
+ my_sprintf (result, "%.4Le %d", 999.951L, 33, 44, 55);
+ ASSERT (strcmp (result, "9.9995e+02 33") == 0
+ || strcmp (result, "9.9995e+002 33") == 0);
+ ASSERT (retval == strlen (result));
+ }
+
+ { /* Precision with rounding. */
+ char result[100];
+ int retval =
+ my_sprintf (result, "%.4Le %d", 999.996L, 33, 44, 55);
+ ASSERT (strcmp (result, "1.0000e+03 33") == 0
+ || strcmp (result, "1.0000e+003 33") == 0);
ASSERT (retval == strlen (result));
}
{ /* Negative zero. */
char result[1000];
int retval =
- my_sprintf (result, "%g %d", -0.0, 33, 44, 55);
+ my_sprintf (result, "%g %d", -zerod, 33, 44, 55);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0 33") == 0);
ASSERT (retval == strlen (result));
{ /* NaN. */
char result[1000];
int retval =
- my_sprintf (result, "%g %d", NaN (), 33, 44, 55);
+ my_sprintf (result, "%g %d", NaNd (), 33, 44, 55);
ASSERT (strlen (result) >= 3 + 3
&& strisnan (result, 0, strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
{ /* FLAG_ZERO with NaN. */
char result[1000];
int retval =
- my_sprintf (result, "%050g %d", NaN (), 33, 44, 55);
+ my_sprintf (result, "%050g %d", NaNd (), 33, 44, 55);
ASSERT (strlen (result) == 50 + 3
&& strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (retval == strlen (result));
}
+ { /* Precision with no rounding. */
+ char result[100];
+ int retval =
+ my_sprintf (result, "%.5g %d", 999.951, 33, 44, 55);
+ ASSERT (strcmp (result, "999.95 33") == 0);
+ ASSERT (retval == strlen (result));
+ }
+
+ { /* Precision with rounding. */
+ char result[100];
+ int retval =
+ my_sprintf (result, "%.5g %d", 999.996, 33, 44, 55);
+ ASSERT (strcmp (result, "1000 33") == 0);
+ ASSERT (retval == strlen (result));
+ }
+
{ /* A positive number. */
char result[1000];
int retval =
char result[1000];
int retval =
my_sprintf (result, "%Lg %d", 1234567.0L, 33, 44, 55);
- ASSERT (strcmp (result, "1.23457e+06 33") == 0);
+ ASSERT (strcmp (result, "1.23457e+06 33") == 0
+ || strcmp (result, "1.23457e+006 33") == 0);
ASSERT (retval == strlen (result));
}
char result[1000];
int retval =
my_sprintf (result, "%Lg", data[k].value);
- ASSERT (strcmp (result, data[k].string) == 0);
+ const char *expected = data[k].string;
+ ASSERT (strcmp (result, expected) == 0
+ /* Some implementations produce exponents with 3 digits. */
+ || (expected[strlen (expected) - 4] == 'e'
+ && strlen (result) == strlen (expected) + 1
+ && memcmp (result, expected, strlen (expected) - 2) == 0
+ && result[strlen (expected) - 2] == '0'
+ && strcmp (result + strlen (expected) - 1,
+ expected + strlen (expected) - 2)
+ == 0));
ASSERT (retval == strlen (result));
}
}
{ /* Negative zero. */
char result[1000];
int retval =
- my_sprintf (result, "%Lg %d", -0.0L, 33, 44, 55);
+ my_sprintf (result, "%Lg %d", -zerol, 33, 44, 55);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0 33") == 0);
ASSERT (retval == strlen (result));
}
{ /* NaN. */
- static long double zero = 0.0L;
char result[1000];
int retval =
- my_sprintf (result, "%Lg %d", zero / zero, 33, 44, 55);
+ my_sprintf (result, "%Lg %d", NaNl (), 33, 44, 55);
ASSERT (strlen (result) >= 3 + 3
&& strisnan (result, 0, strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
char result[1000];
int retval =
my_sprintf (result, "%#.Lg %d", 9.75L, 33, 44, 55);
- ASSERT (strcmp (result, "1.e+01 33") == 0);
+ ASSERT (strcmp (result, "1.e+01 33") == 0
+ || strcmp (result, "1.e+001 33") == 0);
ASSERT (retval == strlen (result));
}
}
{ /* FLAG_ZERO with NaN. */
- static long double zero = 0.0L;
char result[1000];
int retval =
- my_sprintf (result, "%050Lg %d", zero / zero, 33, 44, 55);
+ my_sprintf (result, "%050Lg %d", NaNl (), 33, 44, 55);
ASSERT (strlen (result) == 50 + 3
&& strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
char result[1000];
int retval =
my_sprintf (result, "%.Lg %d", 1234.0L, 33, 44, 55);
- ASSERT (strcmp (result, "1e+03 33") == 0);
+ ASSERT (strcmp (result, "1e+03 33") == 0
+ || strcmp (result, "1e+003 33") == 0);
+ ASSERT (retval == strlen (result));
+ }
+
+ { /* Precision with no rounding. */
+ char result[100];
+ int retval =
+ my_sprintf (result, "%.5Lg %d", 999.951L, 33, 44, 55);
+ ASSERT (strcmp (result, "999.95 33") == 0);
+ ASSERT (retval == strlen (result));
+ }
+
+ { /* Precision with rounding. */
+ char result[100];
+ int retval =
+ my_sprintf (result, "%.5Lg %d", 999.996L, 33, 44, 55);
+ ASSERT (strcmp (result, "1000 33") == 0);
ASSERT (retval == strlen (result));
}
int retval =
my_sprintf (result, "%.4000d %d", 1234567, 99);
size_t i;
- ASSERT (result != NULL);
+ for (i = 0; i < 4000 - 7; i++)
+ ASSERT (result[i] == '0');
+ ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
+ ASSERT (retval == strlen (result));
+ }
+
+ {
+ char result[5000];
+ int retval =
+ my_sprintf (result, "%.*d %d", 4000, 1234567, 99);
+ size_t i;
for (i = 0; i < 4000 - 7; i++)
ASSERT (result[i] == '0');
ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
int retval =
my_sprintf (result, "%.4000d %d", -1234567, 99);
size_t i;
- ASSERT (result != NULL);
ASSERT (result[0] == '-');
for (i = 0; i < 4000 - 7; i++)
ASSERT (result[1 + i] == '0');
int retval =
my_sprintf (result, "%.4000u %d", 1234567, 99);
size_t i;
- ASSERT (result != NULL);
for (i = 0; i < 4000 - 7; i++)
ASSERT (result[i] == '0');
ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
int retval =
my_sprintf (result, "%.4000o %d", 1234567, 99);
size_t i;
- ASSERT (result != NULL);
for (i = 0; i < 4000 - 7; i++)
ASSERT (result[i] == '0');
ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0);
int retval =
my_sprintf (result, "%.4000x %d", 1234567, 99);
size_t i;
- ASSERT (result != NULL);
for (i = 0; i < 4000 - 6; i++)
ASSERT (result[i] == '0');
ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0);
int retval =
my_sprintf (result, "%#.4000x %d", 1234567, 99);
size_t i;
- ASSERT (result != NULL);
ASSERT (result[0] == '0');
ASSERT (result[1] == 'x');
for (i = 0; i < 4000 - 6; i++)
input[i] = 'a' + ((1000000 / (i + 1)) % 26);
input[i] = '\0';
retval = my_sprintf (result, "%.4000s %d", input, 99);
- ASSERT (result != NULL);
ASSERT (memcmp (result, input, 4000) == 0);
ASSERT (strcmp (result + 4000, " 99") == 0);
ASSERT (retval == strlen (result));