1if (8 * a + 64 * b >= t0 + 2 * t + 512 * floord(-t0 - 8 * a + 64 * b + 2 * t - 1, 512) + 512 && t0 + 512 * floord(-t0 - 8 * a + 64 * b + 2 * t - 1, 512) >= -511 && t0 + 512 * floord(-t0 - 8 * a + 64 * b + 2 * t - 1, 512) <= 1310206)
2 S_0(t, -((-t0 - 8 * a + 64 * b + 2 * t + 511) % 512) - 8 * a + 64 * b + 2 * t + 511);
3

source code of polly/lib/External/isl/test_inputs/codegen/jacobi_kernel4.c