| | |
| | | |
| | | #include "utils.h" |
| | | |
| | | void del_arg(int argc, char **argv, int index) |
| | | { |
| | | int i; |
| | | for(i = index; i < argc-1; ++i) argv[i] = argv[i+1]; |
| | | argv[i] = 0; |
| | | } |
| | | |
| | | int find_arg(int argc, char* argv[], char *arg) |
| | | { |
| | | int i; |
| | | for(i = 0; i < argc; ++i) { |
| | | if(!argv[i]) continue; |
| | | if(0==strcmp(argv[i], arg)) { |
| | | del_arg(argc, argv, i); |
| | | return 1; |
| | | } |
| | | } |
| | | return 0; |
| | | } |
| | | |
| | | int find_int_arg(int argc, char **argv, char *arg, int def) |
| | | { |
| | | int i; |
| | | for(i = 0; i < argc-1; ++i){ |
| | | if(!argv[i]) continue; |
| | | if(0==strcmp(argv[i], arg)){ |
| | | def = atoi(argv[i+1]); |
| | | del_arg(argc, argv, i); |
| | | del_arg(argc, argv, i); |
| | | break; |
| | | } |
| | | } |
| | | return def; |
| | | } |
| | | |
| | | float find_float_arg(int argc, char **argv, char *arg, float def) |
| | | { |
| | | int i; |
| | | for(i = 0; i < argc-1; ++i){ |
| | | if(!argv[i]) continue; |
| | | if(0==strcmp(argv[i], arg)){ |
| | | def = atof(argv[i+1]); |
| | | del_arg(argc, argv, i); |
| | | del_arg(argc, argv, i); |
| | | break; |
| | | } |
| | | } |
| | | return def; |
| | | } |
| | | |
| | | char *find_char_arg(int argc, char **argv, char *arg, char *def) |
| | | { |
| | | int i; |
| | | for(i = 0; i < argc-1; ++i){ |
| | | if(!argv[i]) continue; |
| | | if(0==strcmp(argv[i], arg)){ |
| | | def = argv[i+1]; |
| | | del_arg(argc, argv, i); |
| | | del_arg(argc, argv, i); |
| | | break; |
| | | } |
| | | } |
| | | return def; |
| | | } |
| | | |
| | | |
| | | char *basecfg(char *cfgfile) |
| | | { |
| | | char *c = cfgfile; |
| | | char *next; |
| | | while((next = strchr(c, '/'))) |
| | | { |
| | | c = next+1; |
| | | } |
| | | c = copy_string(c); |
| | | next = strchr(c, '.'); |
| | | if (next) *next = 0; |
| | | return c; |
| | | } |
| | | |
| | | int alphanum_to_int(char c) |
| | | { |
| | | return (c < 58) ? c - 48 : c-87; |
| | | } |
| | | char int_to_alphanum(int i) |
| | | { |
| | | if (i == 36) return '.'; |
| | | return (i < 10) ? i + 48 : i + 87; |
| | | } |
| | | |
| | | void pm(int M, int N, float *A) |
| | | { |
| | | int i,j; |
| | |
| | | void top_k(float *a, int n, int k, int *index) |
| | | { |
| | | int i,j; |
| | | for(j = 0; j < k; ++j) index[j] = 0; |
| | | for(j = 0; j < k; ++j) index[j] = -1; |
| | | for(i = 0; i < n; ++i){ |
| | | int curr = i; |
| | | for(j = 0; j < k; ++j){ |
| | | if(a[curr] > a[index[j]]){ |
| | | if((index[j] < 0) || a[curr] > a[index[j]]){ |
| | | int swap = curr; |
| | | curr = index[j]; |
| | | index[j] = swap; |
| | |
| | | return variance; |
| | | } |
| | | |
| | | float constrain(float a, float max) |
| | | float constrain(float min, float max, float a) |
| | | { |
| | | if(a > abs(max)) return abs(max); |
| | | if(a < -abs(max)) return -abs(max); |
| | | if (a < min) return min; |
| | | if (a > max) return max; |
| | | return a; |
| | | } |
| | | |