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authorUlrich Drepper <drepper@redhat.com>2007-06-04 14:38:22 +0000
committerUlrich Drepper <drepper@redhat.com>2007-06-04 14:38:22 +0000
commit43b768284325b7e7d2ec3fc3dcac13a35c378c95 (patch)
tree6560de64681e4f69ea9936bed4763555004f7658 /stdio-common
parent04067002e8c1be0c432bd608736750ca7459ec69 (diff)
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* sysdeps/ieee754/ldbl-128ibm/printf_fphex.c
(PRINT_FPHEX_LONG_DOUBLE): Fix printing numbers where lower double is non-zero, but smaller than 2 * __DBL_MIN__. * stdio-common/tst-sprintf2.c: New test. * stdio-common/Makefile (tests): Add tst-sprintf2. * math/test-misc.c (main): Don't run last batch of tests with IBM long double format.
Diffstat (limited to 'stdio-common')
-rw-r--r--stdio-common/Makefile2
-rw-r--r--stdio-common/tst-sprintf2.c59
2 files changed, 60 insertions, 1 deletions
diff --git a/stdio-common/Makefile b/stdio-common/Makefile
index 709a5730fb..735b40104a 100644
--- a/stdio-common/Makefile
+++ b/stdio-common/Makefile
@@ -54,7 +54,7 @@ tests := tstscanf test_rdwr test-popen tstgetln test-fseek \
tst-swprintf tst-fseek tst-fmemopen test-vfprintf tst-gets \
tst-perror tst-sprintf tst-rndseek tst-fdopen tst-fphex bug14 bug15 \
tst-popen tst-unlockedio tst-fmemopen2 tst-put-error tst-fgets \
- tst-fwrite bug16 bug17 tst-swscanf
+ tst-fwrite bug16 bug17 tst-swscanf tst-sprintf2
test-srcs = tst-unbputc tst-printf
diff --git a/stdio-common/tst-sprintf2.c b/stdio-common/tst-sprintf2.c
new file mode 100644
index 0000000000..9024b58782
--- /dev/null
+++ b/stdio-common/tst-sprintf2.c
@@ -0,0 +1,59 @@
+#include <float.h>
+#include <math.h>
+#include <stdio.h>
+
+int
+main (void)
+{
+ volatile union { long double l; long long x[2]; } u;
+ char buf[64];
+ int result = 0;
+
+#define TEST(val) \
+ do \
+ { \
+ u.l = (val); \
+ snprintf (buf, sizeof buf, "%LaL", u.l); \
+ if (strcmp (buf, #val) != 0) \
+ { \
+ printf ("Error on line %d: %s != %s\n", __LINE__, buf, #val); \
+ result = 1; \
+ } \
+ /* printf ("%s %La %016Lx %016Lx\n", #val, u.l, u.x[0], u.x[1]); */ \
+ } \
+ while (0)
+
+#if LDBL_MANT_DIG >= 106
+# if LDBL_MANT_DIG == 106
+ TEST (0x0.ffffffffffffp-1022L);
+ TEST (0x0.ffffffffffff1p-1022L);
+ TEST (0x0.fffffffffffffp-1022L);
+# endif
+ TEST (0x1p-1022L);
+ TEST (0x1.0000000000001p-1022L);
+ TEST (0x1.00000000001e7p-1022L);
+ TEST (0x1.fffffffffffffp-1022L);
+ TEST (0x1p-1021L);
+ TEST (0x1.00000000000008p-1021L);
+ TEST (0x1.0000000000001p-1021L);
+ TEST (0x1.00000000000018p-1021L);
+ TEST (0x1.0000000000000f8p-1017L);
+ TEST (0x1.0000000000001p-1017L);
+ TEST (0x1.000000000000108p-1017L);
+ TEST (0x1.000000000000dcf8p-1013L);
+ TEST (0x1.000000000000ddp-1013L);
+ TEST (0x1.000000000000dd08p-1013L);
+ TEST (0x1.ffffffffffffffffffffffffffp-1L);
+ TEST (0x1.ffffffffffffffffffffffffff8p-1L);
+ TEST (0x1p+0L);
+ TEST (0x1.000000000000000000000000008p+0L);
+ TEST (0x1.00000000000000000000000001p+0L);
+ TEST (0x1.000000000000000000000000018p+0L);
+ TEST (0x1.23456789abcdef123456789abc8p+0L);
+ TEST (0x1.23456789abcde7123456789abc8p+0L);
+ TEST (0x1.23456789abcdef123456789abc8p+64L);
+ TEST (0x1.23456789abcde7123456789abc8p+64L);
+ TEST (0x1.123456789abcdef123456789p-969L);
+#endif
+ return result;
+}