std::os::raw::c_int; } extern "C" { pub fn asctime(arg1: *mut StructTM) -> *mut ::std::os::raw::c_char; } #[test] fn bindgen_test_layout_tm() { const UNINIT: ::std::mem::MaybeUninit<tm> = ::std::mem::MaybeUninit::uninit(); let ptr = UNINIT.as_ptr(); assert_...
RAWDATA 文件里面只有 32 个浮点数。 写文件的代码 #include <stdio.h> #include <stdlib.h> #define BLOCKMAX 4 #define FRAMEINBLOCK 8 struct rawdata { double frame[FRAMEINBLOCK]; }; int main (){ FILE *outfile; double cache[32]; struct rawdata data_arr[BLOCKMAX]; int *ptr_data_arr; ...
看一个例子,简单了解其用法。 目前没有编译器支持该特性,使用的是https://raw.githubusercontent.com/kokkos/mdspan/single-header/mdspan.hpp实现的版本,所以在experimental下面。 ms2是将数据以二维形式访问,ms3则以三维访问,Views可以改变原有数据,因此最终遍历的结果为: 这个特性值得剖析下其设计,这里不再深究,...
int length) { int* p, temp, * i, * j, m; m = (length - 1) / 2;//取得中...
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In addition to using intrinsics from C, raw Intel assembly language solutions to this problem are also welcome. The main problem, as others have pointed out, is that the 128-byte data you are checking is missing the data cache and/or theTLBand going to DRAM, which ...
ptrverify(py, "Malloc failed for 'yes' sequence\n"); memset(py, 'y', len); *(py+len) = '\0'; if ( strcmp(irawname, py) == 0 ) { timenow = time(0); timenow -= len*3600*24; tp = localtime(&timenow); snprintf(irawname, RAWNAMESZ, "%s/atop_%04d%02d%02...
FILE * __restrict)__DARWIN_ALIAS(freopen);intfscanf(FILE * __restrict,constchar* __restrict, ...)__scanflike(2,3);intfseek(FILE *,long,int);intfsetpos(FILE *,constfpos_t*);longftell(FILE *);size_tfwrite(constvoid* __restrict __ptr,size_t__size,size_t__nitems, FILE * __...
void init_rqb(struct cbuff *mcb, size_t *rt_stream_ptr, size_t rt_size) { mcb->rtdata = rt_stream_ptr; mcb->trunk = rt_size - 1; mcb->head_ptr = 0; mcb->tail_ptr = 0; } int put_rqb(struct cbuff *mcb, size_t mdata) { ...