1cb93a386Sopenharmony_ci#version 400
2cb93a386Sopenharmony_ciout vec4 sk_FragColor;
3cb93a386Sopenharmony_civoid main() {
4cb93a386Sopenharmony_ci    float x = -42.0;
5cb93a386Sopenharmony_ci    sk_FragColor.x = (0.5 - sign(x) * (0.5 - fract(abs(x))));
6cb93a386Sopenharmony_ci}
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