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implemented wxLongLong division - seems to work

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5101 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
1999-12-24 16:49:57 +00:00
parent 9434fb903d
commit 5e6a0e8315
3 changed files with 113 additions and 30 deletions
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19
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_LONGLONG
//#define TEST_MIME
//#define TEST_STRINGS
//#define TEST_THREADS
//#define TEST_TIME
#define TEST_TIME
// ============================================================================
// implementation
@@ -224,14 +224,16 @@ static void TestSpeed()
static void TestDivision()
{
puts("*** Testing wxLongLong division ***\n");
#define MAKE_LL(x1, x2, x3, x4) wxLongLong((x1 << 16) | x2, (x3 << 16) | x3)
// seed pseudo random generator
//srand((unsigned)time(NULL));
srand((unsigned)time(NULL));
wxLongLong q, r;
size_t nTested = 0;
for ( size_t n = 0; n < 10000; n++ )
for ( size_t n = 0; n < 100000; n++ )
{
// get a random wxLongLong (shifting by 12 the MSB ensures that the
// multiplication will not overflow)
@@ -242,12 +244,19 @@ static void TestDivision()
q = ll / l;
r = ll % l;
// verify the result
wxASSERT_MSG( ll == q*l + r, "division failure" );
if ( !(nTested % 1000) )
{
putchar('.');
fflush(stdout);
}
nTested++;
}
printf("\n*** Tested %u divisions/multiplications: ok\n", nTested);
puts(" done!");
#undef MAKE_LL
}