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Pixar Image Computer
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=== 16 bit coefficient values === Pixar Image Computer also have special 16 bit fixed point data type (for mảtix value, etc.) have name 'coefficient'. It have range [-2.0; 2.0) and use first 14 bits for fraction. For value ≥ 0, last 2 bit for whole number. For value < 0, last 2 bit for sign and whole number (use 2 complement). {| class="wikitable" |- ! decimal | hex ! binary ! value |- ! 32 768 | 0x8000 ! 1000 0000 0000 0000 ! -2.0 |- ! 40 960 | 0xa000 ! 1010 0000 0000 0000 ! -1.5 |- ! 49 152 | 0xc000 ! 1100 0000 0000 0000 ! -1.0 |- ! 57 344 | 0xe000 ! 1110 0000 0000 0000 ! -0.5 |- ! 65 536 | 0xfffff ! 1111 1111 1111 1111 ! -0.00006103515625 |- ! 0 | 0x0000 ! 0000 0000 0000 0000 ! 0.0 |- ! 8192 | 0x2000 ! 0010 0000 0000 0000 ! 0.5 |- ! 16384 | 0x4000 ! 0100 0000 0000 0000 ! 1.0 |- ! 24 576 | 0x6000 ! 0110 0000 0000 0000 ! 1.5 |- ! 32767 | 0x7fff ! 0111 1111 1111 1111 ! 1.99993896484375 |}
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