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/lvgl-latest/src/libs/tiny_ttf/
Dstb_truetype_htcw.h4849 float rcp_len2 = 1 / (ray[0] * ray[0] + ray[1] * ray[1]); local
4850 float rayn_x = ray[0] * rcp_len2, rayn_y = ray[1] * rcp_len2;