amber/integer/clz_short.amber

#!amber

SHADER compute clz OPENCL-C
kernel void test_clz(global short* a, global short* b) {
  uint gid = get_global_id(0);
  b[gid] = clz(a[gid]);
}
END

BUFFER a_buf DATA_TYPE uint16 DATA
0x8000
0x4000
0x2000
0x1000
0x0800
0x0400
0x0200
0x0100
0x0080
0x0040
0x0020
0x0010
0x0008
0x0004
0x0002
0x0001
0x0000
END

BUFFER b_buf DATA_TYPE uint16 SIZE 17 FILL 0
BUFFER expected DATA_TYPE uint16 SIZE 17 SERIES_FROM 0 INC_BY 1

PIPELINE compute test_pipe
  ATTACH clz ENTRY_POINT test_clz

  BIND BUFFER a_buf KERNEL ARG_NAME a
  BIND BUFFER b_buf KERNEL ARG_NAME b
END

RUN test_pipe 33 1 1

EXPECT b_buf EQ_BUFFER expected