/usr/include/clc/integer/upsample.h is in libclc-dev 0.2.0+git20180312-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | #define __CLC_UPSAMPLE_DECL(BGENTYPE, GENTYPE, UGENTYPE) \
_CLC_OVERLOAD _CLC_DECL BGENTYPE upsample(GENTYPE hi, UGENTYPE lo);
#define __CLC_UPSAMPLE_VEC(BGENTYPE, GENTYPE, UGENTYPE) \
__CLC_UPSAMPLE_DECL(BGENTYPE, GENTYPE, UGENTYPE) \
__CLC_UPSAMPLE_DECL(BGENTYPE##2, GENTYPE##2, UGENTYPE##2) \
__CLC_UPSAMPLE_DECL(BGENTYPE##3, GENTYPE##3, UGENTYPE##3) \
__CLC_UPSAMPLE_DECL(BGENTYPE##4, GENTYPE##4, UGENTYPE##4) \
__CLC_UPSAMPLE_DECL(BGENTYPE##8, GENTYPE##8, UGENTYPE##8) \
__CLC_UPSAMPLE_DECL(BGENTYPE##16, GENTYPE##16, UGENTYPE##16) \
#define __CLC_UPSAMPLE_TYPES() \
__CLC_UPSAMPLE_VEC(short, char, uchar) \
__CLC_UPSAMPLE_VEC(ushort, uchar, uchar) \
__CLC_UPSAMPLE_VEC(int, short, ushort) \
__CLC_UPSAMPLE_VEC(uint, ushort, ushort) \
__CLC_UPSAMPLE_VEC(long, int, uint) \
__CLC_UPSAMPLE_VEC(ulong, uint, uint) \
__CLC_UPSAMPLE_TYPES()
#undef __CLC_UPSAMPLE_TYPES
#undef __CLC_UPSAMPLE_DECL
#undef __CLC_UPSAMPLE_VEC
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