* bug#25492: floating point bug in 2.1.6
@ 2017-01-20 9:40 Daniel Llorens
[not found] ` <handler.25492.B.148490524224084.ack@debbugs.gnu.org>
0 siblings, 1 reply; 3+ messages in thread
From: Daniel Llorens @ 2017-01-20 9:40 UTC (permalink / raw)
To: 25492
See below.
The bug happens after commit 35a90592501ebde7e7ddbf2486ca9d315e317d09, ‘Add unboxed floating point comparison instructions.’
> ./meta/guile
GNU Guile 2.1.6
Copyright (C) 1995-2016 Free Software Foundation, Inc.
Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
This program is free software, and you are welcome to redistribute it
under certain conditions; type `,show c' for details.
Enter `,help' for help.
scheme@(guile-user)> (define x 0.0)
scheme@(guile-user)> (< x 1.0)
$1 = #t
scheme@(guile-user)> (< x 0.9)
$2 = #f
^ permalink raw reply [flat|nested] 3+ messages in thread
* bug#25492: [patch] floating point bug in 2.1.6
[not found] ` <handler.25492.B.148490524224084.ack@debbugs.gnu.org>
@ 2017-02-07 11:26 ` Daniel Llorens
2017-02-07 11:45 ` bug#25492: closing Daniel Llorens
1 sibling, 0 replies; 3+ messages in thread
From: Daniel Llorens @ 2017-02-07 11:26 UTC (permalink / raw)
To: 25492
It's a trivial patch. I don't know how to test it though.
From a0028723da283d39e5ab4e43f8934506a917498b Mon Sep 17 00:00:00 2001
From: Daniel Llorens <daniel.llorens@bluewin.ch>
Date: Tue, 7 Feb 2017 12:14:15 +0100
Subject: [PATCH] Fix bug #25492
* libguile/vm-engine.c (BR_F64_ARITHMETIC): Fix type.
---
libguile/vm-engine.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libguile/vm-engine.c b/libguile/vm-engine.c
index 6848406..c9a9cec 100644
--- a/libguile/vm-engine.c
+++ b/libguile/vm-engine.c
@@ -361,7 +361,7 @@
#define BR_F64_ARITHMETIC(crel) \
{ \
scm_t_uint32 a, b; \
- scm_t_uint64 x, y; \
+ double x, y; \
UNPACK_24 (op, a); \
UNPACK_24 (ip[1], b); \
x = SP_REF_F64 (a); \
--
2.10.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* bug#25492: closing
[not found] ` <handler.25492.B.148490524224084.ack@debbugs.gnu.org>
2017-02-07 11:26 ` bug#25492: [patch] " Daniel Llorens
@ 2017-02-07 11:45 ` Daniel Llorens
1 sibling, 0 replies; 3+ messages in thread
From: Daniel Llorens @ 2017-02-07 11:45 UTC (permalink / raw)
To: 25492-close
Fixed in a0028723da283d39e5ab4e43f8934506a917498b.
^ permalink raw reply [flat|nested] 3+ messages in thread
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2017-01-20 9:40 bug#25492: floating point bug in 2.1.6 Daniel Llorens
[not found] ` <handler.25492.B.148490524224084.ack@debbugs.gnu.org>
2017-02-07 11:26 ` bug#25492: [patch] " Daniel Llorens
2017-02-07 11:45 ` bug#25492: closing Daniel Llorens
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