int
FastWalshTransform::setup()
{
// make sure the length is the power of 2
if(isPowerOf2(length))
{
length = roundToPowerOf2(length);
}
if(setupFastWalshTransform() != SDK_SUCCESS)
{
return SDK_FAILURE;
}
int timer = sampleTimer->createTimer();
sampleTimer->resetTimer(timer);
sampleTimer->startTimer(timer);
if(setupCL() != SDK_SUCCESS)
{
return SDK_FAILURE;
}
sampleTimer->stopTimer(timer);
setupTime = (cl_double)sampleTimer->readTimer(timer);
return SDK_SUCCESS;
}
static void BaseUtilTest()
{
assert(roundToPowerOf2(0) == 1);
assert(roundToPowerOf2(1) == 1);
assert(roundToPowerOf2(2) == 2);
assert(roundToPowerOf2(3) == 4);
assert(roundToPowerOf2(15) == 16);
assert(roundToPowerOf2((1 << 13) + 1) == (1 << 14));
assert(roundToPowerOf2(MAX_SIZE_T) == MAX_SIZE_T);
assert(murmur_hash2(NULL, 0) == 0x342CE6C);
assert(murmur_hash2("test", 4) != murmur_hash2("Test", 4));
}
