1// Copyright 2008-2022 Emil Dotchevski and Reverge Studios, Inc.
2
3// Distributed under the Boost Software License, Version 1.0. (See accompanying
4// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
5
6#ifdef BOOST_QVM_TEST_SINGLE_HEADER
7# include BOOST_QVM_TEST_SINGLE_HEADER
8#else
9# include <boost/qvm/quat_operations.hpp>
10# include <boost/qvm/quat.hpp>
11#endif
12
13#include "test_qvm_quaternion.hpp"
14#include "gold.hpp"
15
16namespace
17 {
18 template <class T,class U> struct same_type_tester;
19 template <class T> struct same_type_tester<T,T> { };
20 template <class T,class U> void test_same_type( T, U ) { same_type_tester<T,U>(); }
21
22 void
23 test()
24 {
25 using namespace boost::qvm::sfinae;
26 {
27 test_qvm::quaternion<Q1> const x(42,1);
28 test_same_type(x,normalized(a: x));
29 test_qvm::quaternion<Q1> y=normalized(a: x);
30 float m=sqrtf(x: test_qvm::dot<float>(a: x.a,b: x.a));
31 test_qvm::scalar_multiply_v(r&: y.b,a: x.a,scalar: 1/m);
32 BOOST_QVM_TEST_CLOSE(y.a,y.b,0.000001f);
33 }
34 {
35 test_qvm::quaternion<Q1> const x(42,1);
36 test_qvm::quaternion<Q1> y=normalized(a: qref(a: x));
37 float m=sqrtf(x: test_qvm::dot<float>(a: x.a,b: x.a));
38 test_qvm::scalar_multiply_v(r&: y.b,a: x.a,scalar: 1/m);
39 BOOST_QVM_TEST_CLOSE(y.a,y.b,0.000001f);
40 }
41 {
42 test_qvm::quaternion<Q1> x(42,1);
43 float m=sqrtf(x: test_qvm::dot<float>(a&: x.a,b&: x.a));
44 test_qvm::scalar_multiply_v(r&: x.b,a&: x.a,scalar: 1/m);
45 normalize(a&: x);
46 BOOST_QVM_TEST_CLOSE(x.a,x.b,0.000001f);
47 }
48 }
49 }
50
51int
52main()
53 {
54 test();
55 return boost::report_errors();
56 }
57

source code of boost/libs/qvm/test/normalize_q_test.cpp