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authorJames Larcombe <jlarcombe@sibelius.com>2010-04-20 11:54:06 (GMT)
committerThiago Macieira <thiago.macieira@nokia.com>2010-04-21 07:33:34 (GMT)
commitc9a5b8f0d840e67ad33839c8c310aef73a8a855c (patch)
tree7903f3cde2a09536aad94e6f976c81838870310d /src/corelib/io/qdatastream.cpp
parent4c4f726a91e9177ad6840c80a347f73932eda844 (diff)
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Reorganised double stream out operator in QDataStream to avoid causing unnecessary floating point exceptions.
Signed-off-by: Thiago Macieira <thiago.macieira@nokia.com>
Diffstat (limited to 'src/corelib/io/qdatastream.cpp')
-rw-r--r--src/corelib/io/qdatastream.cpp7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/corelib/io/qdatastream.cpp b/src/corelib/io/qdatastream.cpp
index 2731ae1..3a9d284 100644
--- a/src/corelib/io/qdatastream.cpp
+++ b/src/corelib/io/qdatastream.cpp
@@ -1144,16 +1144,17 @@ QDataStream &QDataStream::operator<<(double f)
CHECK_STREAM_PRECOND(*this)
#ifndef Q_DOUBLE_FORMAT
- if (!noswap) {
+ if (noswap) {
+ dev->write((char *)&f, sizeof(double));
+ } else {
union {
double val1;
quint64 val2;
} x;
x.val1 = f;
x.val2 = qbswap(x.val2);
- f = x.val1;
+ dev->write((char *)&x.val2, sizeof(double));
}
- dev->write((char *)&f, sizeof(double));
#else
union {
double val1;