Add SkMatrix44::setTranspose
It turned out that adding getDouble(...) and setDouble(...) made this change
easier, so I've included that in this cl as well.
Review URL: https://codereview.appspot.com/6845048
git-svn-id: http://skia.googlecode.com/svn/trunk@6424 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/Matrix44Test.cpp b/tests/Matrix44Test.cpp
index af10e00..782b51e 100644
--- a/tests/Matrix44Test.cpp
+++ b/tests/Matrix44Test.cpp
@@ -147,6 +147,35 @@
REPORTER_ASSERT(reporter, nearly_equal_double(0, e.determinant()));
}
+static void test_transpose(skiatest::Reporter* reporter) {
+ SkMatrix44 a;
+ SkMatrix44 b;
+
+ int i = 0;
+ for (int row = 0; row < 4; ++row) {
+ for (int col = 0; col < 4; ++col) {
+ a.setDouble(row, col, i);
+ b.setDouble(col, row, i++);
+ }
+ }
+
+ a.transpose();
+ REPORTER_ASSERT(reporter, nearly_equal(a, b));
+}
+
+static void test_get_set_double(skiatest::Reporter* reporter) {
+ SkMatrix44 a;
+ for (int row = 0; row < 4; ++row) {
+ for (int col = 0; col < 4; ++col) {
+ a.setDouble(row, col, 3.141592653589793);
+ REPORTER_ASSERT(reporter, nearly_equal_double(3.141592653589793,
+ a.getDouble(row, col)));
+ a.setDouble(row, col, 0);
+ REPORTER_ASSERT(reporter, nearly_equal_double(0, a.getDouble(row, col)));
+ }
+ }
+}
+
static void TestMatrix44(skiatest::Reporter* reporter) {
#ifdef SK_SCALAR_IS_FLOAT
SkMatrix44 mat, inverse, iden1, iden2, rot;
@@ -217,6 +246,8 @@
}
test_determinant(reporter);
+ test_transpose(reporter);
+ test_get_set_double(reporter);
#endif
}