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/* SPDX-License-Identifier: Apache-2.0
* Copyright 2011-2022 Blender Foundation */
#include "testing/testing.h"
#include "util/transform.h"
#include "util/vector.h"
CCL_NAMESPACE_BEGIN
TEST(transform_motion_decompose, Degenerated)
{
// Simple case: single degenerated matrix.
{
vector<Transform> motion = {transform_scale(0.0f, 0.0f, 0.0f)};
vector<DecomposedTransform> decomp(motion.size());
transform_motion_decompose(decomp.data(), motion.data(), motion.size());
EXPECT_TRUE(transform_decomposed_isfinite_safe(&decomp[0]));
}
// Copy from previous to current.
{
vector<Transform> motion = {transform_rotate(M_PI_4_F, one_float3()),
transform_scale(0.0f, 0.0f, 0.0f)};
vector<DecomposedTransform> decomp(motion.size());
transform_motion_decompose(decomp.data(), motion.data(), motion.size());
EXPECT_NEAR(len(decomp[1].x - decomp[0].x), 0.0f, 1e-6f);
}
// Copy from next to current.
{
vector<Transform> motion = {transform_scale(0.0f, 0.0f, 0.0f),
transform_rotate(M_PI_4_F, one_float3())};
vector<DecomposedTransform> decomp(motion.size());
transform_motion_decompose(decomp.data(), motion.data(), motion.size());
EXPECT_NEAR(len(decomp[0].x - decomp[1].x), 0.0f, 1e-6f);
}
}
CCL_NAMESPACE_END
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