static void test_floatclass(skiatest::Reporter* reporter, float value, FloatClass fc) {
// our sk_float_is... function may return int instead of bool,
// hence the double ! to turn it into a bool
REPORTER_ASSERT(reporter, !!sk_float_isfinite(value) == (fc == kFinite));
REPORTER_ASSERT(reporter, !!sk_float_isinf(value) == (fc == kInfinite));
REPORTER_ASSERT(reporter, !!sk_float_isnan(value) == (fc == kNaN));
}
static bool are_equal(skiatest::Reporter* reporter,
const SkMatrix& a,
const SkMatrix& b) {
bool equal = a == b;
bool cheapEqual = a.cheapEqualTo(b);
if (equal != cheapEqual) {
#ifdef SK_SCALAR_IS_FLOAT
if (equal) {
bool foundZeroSignDiff = false;
for (int i = 0; i < 9; ++i) {
float aVal = a.get(i);
float bVal = b.get(i);
int aValI = *SkTCast<int*>(&aVal);
int bValI = *SkTCast<int*>(&bVal);
if (0 == aVal && 0 == bVal && aValI != bValI) {
foundZeroSignDiff = true;
} else {
REPORTER_ASSERT(reporter, aVal == bVal && aValI == aValI);
}
}
REPORTER_ASSERT(reporter, foundZeroSignDiff);
} else {
bool foundNaN = false;
for (int i = 0; i < 9; ++i) {
float aVal = a.get(i);
float bVal = b.get(i);
int aValI = *SkTCast<int*>(&aVal);
int bValI = *SkTCast<int*>(&bVal);
if (sk_float_isnan(aVal) && aValI == bValI) {
foundNaN = true;
} else {
REPORTER_ASSERT(reporter, aVal == bVal && aValI == bValI);
}
}
REPORTER_ASSERT(reporter, foundNaN);
}
#else
REPORTER_ASSERT(reporter, false);
#endif
}
return equal;
}