Changeset 1796Tweet

Timestamp:

Aug 23, 2012, 4:05:03 PM (10 years ago)

Author:

sam

Message:

math: add dot() for quaternions, plus the relevant unit test.

Location:

trunk

Files:

• src/lol/math/vector.h (modified) (3 diffs)
• test/unit/quat.cpp (modified) (1 diff)

trunk/src/lol/math/vector.h

@@ -1218 +1218 @@
     \
     DECLARE_VECTOR_VECTOR_BOOLOP(tname, ==, ==, true, tprefix, t1, t2) \
-    DECLARE_VECTOR_VECTOR_BOOLOP(tname, !=, ==, false, tprefix, t1, t2)
-
-#define DECLARE_BINARY_VECTOR_COERCE_OPS(tname, tprefix, t1, t2, tf) \
-    DECLARE_SCALAR_VECTOR_COERCE_OP(tname, /, tprefix, t1, t2, tf) \
+    DECLARE_VECTOR_VECTOR_BOOLOP(tname, !=, ==, false, tprefix, t1, t2) \
     \
     tprefix \
@@ -1231 +1228 @@
         return ret; \
     }
+
+#define DECLARE_BINARY_VECTOR_COERCE_OPS(tname, tprefix, t1, t2, tf) \
+    DECLARE_SCALAR_VECTOR_COERCE_OP(tname, /, tprefix, t1, t2, tf)
 
 #define DECLARE_VEC_3_COERCE_OPS(tname, tprefix, t1, t2, tf) \
@@ -1355 +1355 @@
 
 /* Hack for compilation speedups: we can hide some of our global methods in
- * namespaces. We therefore want "long_double" to be a one-symbol type */
+ * namespaces. We therefore want "long_double" to be a single-word name */
 typedef long double long_double;
 

trunk/test/unit/quat.cpp

@@ -78 +78 @@
 
         LOLUNIT_ASSERT_EQUAL(norm(a * d), norm(a) * norm(d));
+    }
+
+    LOLUNIT_TEST(Dot)
+    {
+        quat a(-1.f, 2.f, -3.f, 4.f);
+        quat b(8.f, 7.f, 6.f, 5.f);
+
+        LOLUNIT_ASSERT_EQUAL(dot(a, b), 8.f);
     }