From c3eb6a173e5076a19ad1cf03653b8cc6b610e2c5 Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Fri, 23 Mar 2018 13:47:58 +0000
Subject: [Fix] Add rounding when printing a lot of FP variables

---
 src/libutil/str_util.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

(limited to 'src/libutil')

diff --git a/src/libutil/str_util.c b/src/libutil/str_util.c
index 570f9a948..8026ea7e5 100644
--- a/src/libutil/str_util.c
+++ b/src/libutil/str_util.c
@@ -1910,16 +1910,14 @@ static int
 rspamd_fstring_emit_append_double (double val, void *ud)
 {
 	rspamd_fstring_t **buf = ud;
-	const double delta = 0.0000001;
+#define MAX_PRECISION 6
 
 	if (isfinite (val)) {
 		if (val == (double) ((gint) val)) {
 			rspamd_printf_fstring (buf, "%.1f", val);
-		} else if (fabs (val - (double) (int) val) < delta) {
-			/* Write at maximum precision */
-			rspamd_printf_fstring (buf, "%.*g", DBL_DIG, val);
 		} else {
-			rspamd_printf_fstring (buf, "%f", val);
+			rspamd_printf_fstring (buf, "%." G_STRINGIFY (MAX_PRECISION) "f",
+					val);
 		}
 	}
 	else {
-- 
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