From 2bb800dd414038f233576acf53c0f2fd0d3609cd Mon Sep 17 00:00:00 2001
From: Pádraig Brady
Date: Tue, 18 Jun 2013 15:47:35 +0100
Subject: tests: use appropriate precision when printing float limits
* src/getlimits.c (print_float): Adjust to use the ftoastr module,
which uses the appropriate precision so that no info is lost.
* cfg.mk (sc_prohibit_continued_string_alpha_in_column_1): Exclude od.c
fixes http://bugs.gnu.org/14650
---
src/getlimits.c | 18 ++++++++++++++++--
1 file changed, 16 insertions(+), 2 deletions(-)
(limited to 'src')
diff --git a/src/getlimits.c b/src/getlimits.c
index 7c1fbe26e..99140255f 100644
--- a/src/getlimits.c
+++ b/src/getlimits.c
@@ -21,6 +21,7 @@
#include
#include
+#include "ftoastr.h"
#include "system.h"
#include "long-options.h"
@@ -97,6 +98,19 @@ decimal_absval_add_one (char *buf)
return result;
}
+#define PRINT_FLOATTYPE(N, T, FTOASTR, BUFSIZE) \
+static void \
+N (T x) \
+{ \
+ char buf[BUFSIZE]; \
+ FTOASTR (buf, sizeof buf, FTOASTR_LEFT_JUSTIFY, 0, x); \
+ puts (buf); \
+}
+
+PRINT_FLOATTYPE (print_FLT, float, ftoastr, FLT_BUFSIZE_BOUND)
+PRINT_FLOATTYPE (print_DBL, double, dtoastr, DBL_BUFSIZE_BOUND)
+PRINT_FLOATTYPE (print_LDBL, long double, ldtoastr, LDBL_BUFSIZE_BOUND)
+
int
main (int argc, char **argv)
{
@@ -127,8 +141,8 @@ main (int argc, char **argv)
}
#define print_float(TYPE) \
- printf (#TYPE"_MIN=%Le\n", (long double)TYPE##_MIN); \
- printf (#TYPE"_MAX=%Le\n", (long double)TYPE##_MAX);
+ printf (#TYPE"_MIN="); print_##TYPE (TYPE##_MIN); \
+ printf (#TYPE"_MAX="); print_##TYPE (TYPE##_MAX);
/* Variable sized ints */
print_int (CHAR);
--
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