blob: 40e90913a59c393bcce992ec26db234e8b16441f [file] [log] [blame]
/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Test.h"
#include "Sk2x.h"
template <typename T>
static bool nearly_eq(double eps, const Sk2x<T>& v, double x, double y) {
T vals[2];
v.store(vals);
return fabs(vals[0] - (T)x) <= eps && fabs(vals[1] - (T)y) <= eps;
}
template <typename T>
static bool eq(const Sk2x<T>& v, double x, double y) { return nearly_eq(0, v, x, y); }
template <typename T>
static void test(skiatest::Reporter* r) {
// Constructors, assignment, etc.
Sk2x<T> a(4),
b = a,
c(a);
REPORTER_ASSERT(r, eq(a, 4, 4));
REPORTER_ASSERT(r, eq(b, 4, 4));
REPORTER_ASSERT(r, eq(c, 4, 4));
Sk2x<T> d(2, 5);
Sk2x<T> e;
e = d;
T vals[] = { 2, 5 };
Sk2x<T> f = Sk2x<T>::Load(vals);
REPORTER_ASSERT(r, eq(d, 2, 5));
REPORTER_ASSERT(r, eq(e, 2, 5));
REPORTER_ASSERT(r, eq(f, 2, 5));
a.store(vals);
REPORTER_ASSERT(r, vals[0] == 4 && vals[1] == 4);
// Math
REPORTER_ASSERT(r, eq(a + d, 6, 9));
REPORTER_ASSERT(r, eq(a - d, 2, -1));
REPORTER_ASSERT(r, eq(a * d, 8, 20));
REPORTER_ASSERT(r, eq(a / d, 2, 0.8));
REPORTER_ASSERT(r, nearly_eq(0.001, a.rsqrt(), 0.5, 0.5));
REPORTER_ASSERT(r, eq(a.sqrt(), 2, 2));
REPORTER_ASSERT(r, nearly_eq(0.001, d.approxInvert(), 0.5, 0.2));
REPORTER_ASSERT(r, eq(d.invert(), 0.5, 0.2));
REPORTER_ASSERT(r, eq(Sk2x<T>::Min(a, d), 2, 4));
REPORTER_ASSERT(r, eq(Sk2x<T>::Max(a, d), 4, 5));
REPORTER_ASSERT(r, eq(-d, -2, -5));
// A bit of both.
a += d;
a *= d;
a -= d;
REPORTER_ASSERT(r, eq(a, 10, 40));
}
DEF_TEST(Sk2f, r) { test< float>(r); }
DEF_TEST(Sk2d, r) { test<double>(r); }