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tried to implement division of wxLongLongs - doesn't work at all, will finish tonight

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5090 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
1999-12-23 20:15:40 +00:00
parent b49576e077
commit 2ea24d9f47
3 changed files with 119 additions and 55 deletions
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18
samples/console/console.cpp
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@@ -32,11 +32,11 @@
//#define TEST_ARRAYS
//#define TEST_DIR
//#define TEST_LOG
#define TEST_LONGLONG
//#define TEST_MIME
//#define TEST_STRINGS
//#define TEST_THREADS
#define TEST_TIME
//#define TEST_LONGLONG
//#define TEST_TIME
// ============================================================================
// implementation
@@ -195,17 +195,19 @@ static void TestSpeed()
printf("Summing longs took %ld milliseconds.\n", sw.Time());
}
#if wxUSE_LONGLONG_NATIVE
{
wxStopWatch sw;
__int64 l = 0;
wxLongLong_t l = 0;
for ( n = 0; n < max; n++ )
{
l += n;
}
printf("Summing __int64s took %ld milliseconds.\n", sw.Time());
printf("Summing wxLongLong_t took %ld milliseconds.\n", sw.Time());
}
#endif // wxUSE_LONGLONG_NATIVE
{
wxStopWatch sw;
@@ -227,6 +229,7 @@ static void TestDivision()
// seed pseudo random generator
//srand((unsigned)time(NULL));
wxLongLong q, r;
size_t nTested = 0;
for ( size_t n = 0; n < 10000; n++ )
{
@@ -234,7 +237,12 @@ static void TestDivision()
// multiplication will not overflow)
wxLongLong ll = MAKE_LL((rand() >> 12), rand(), rand(), rand());
wxASSERT( (ll * 1000l)/1000l == ll );
// get a random long (not wxLongLong for now) to divide it with
long l = rand();
q = ll / l;
r = ll % l;
wxASSERT_MSG( ll == q*l + r, "division failure" );
nTested++;
}