void CheckWeights(const glm::ivec2& size,
Buffer<glm::vec2>& buffer,
FluidSim& sim,
float error = 1e-6)
{
std::vector<glm::vec2> pixels(size.x * size.y);
CopyTo(buffer, pixels);
for (int i = 1; i < size.x - 1; i++)
{
for (int j = 1; j < size.y - 1; j++)
{
int index = i + size.x * j;
EXPECT_NEAR(sim.matrix(index - 1, index), pixels[index].x, error);
EXPECT_NEAR(sim.matrix(index, index - size.x), pixels[index].y, error);
}
}
}
void PrintDiagonal(const glm::ivec2& size, FluidSim& sim)
{
for (int j = 0; j < size.y; j++)
{
for (int i = 0; i < size.x; i++)
{
int index = i + size.x * j;
std::cout << "(" << sim.matrix(index, index) << ")";
}
std::cout << std::endl;
}
}
void CheckDiagonal(const glm::ivec2& size, Buffer<float>& buffer, FluidSim& sim, float error = 1e-6)
{
std::vector<float> pixels(size.x * size.y);
CopyTo(buffer, pixels);
for (int i = 0; i < size.x; i++)
{
for (int j = 0; j < size.y; j++)
{
int index = i + size.x * j;
EXPECT_NEAR(sim.matrix(index, index), pixels[index], error);
}
}
}