mirror of
https://github.com/jart/cosmopolitan.git
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fa20edc44d
- Remove most __ASSEMBLER__ __LINKER__ ifdefs - Rename libc/intrin/bits.h to libc/serialize.h - Block pthread cancelation in fchmodat() polyfill - Remove `clang-format off` statements in third_party
22 lines
514 B
C
22 lines
514 B
C
#ifndef COSMOPOLITAN_DSP_CORE_C161S_H_
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#define COSMOPOLITAN_DSP_CORE_C161S_H_
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#include "dsp/core/c161.h"
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#include "libc/macros.internal.h"
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__funline signed char C161S(signed char al, signed char bl, signed char cl) {
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short ax, bx, cx;
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ax = al;
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bx = bl;
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cx = cl;
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ax *= -1 * EXTRA_SHARP;
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bx *= 6 * EXTRA_SHARP;
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cx *= -1 * EXTRA_SHARP;
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ax += bx;
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ax += cx;
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ax += 2 * EXTRA_SHARP;
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ax /= 4 * EXTRA_SHARP;
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al = MIN(112, MAX(-112, ax));
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return al;
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}
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#endif /* COSMOPOLITAN_DSP_CORE_C161S_H_ */
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