1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/ucx/utils.c Wed Feb 27 11:48:29 2013 +0100
1.3 @@ -0,0 +1,72 @@
1.4 +#include "utils.h"
1.5 +#include "math.h"
1.6 +
1.7 +/* COPY FUCNTIONS */
1.8 +void* ucx_strcpy(void* s, void* data) {
1.9 + char *str = (char*) s;
1.10 + size_t n = 1+strlen(str);
1.11 + char *cpy = (char*) malloc(n);
1.12 + memcpy(cpy, str, n);
1.13 + return cpy;
1.14 +}
1.15 +
1.16 +void* ucx_memcpy(void* m, void* n) {
1.17 + size_t k = *((size_t*)n);
1.18 + void *cpy = malloc(k);
1.19 + memcpy(cpy, m, k);
1.20 + return cpy;
1.21 +}
1.22 +
1.23 +/* COMPARE FUNCTION */
1.24 +
1.25 +int ucx_strcmp(void *s1, void *s2, void *data) {
1.26 + return strcmp((char*)s1, (char*)s2);
1.27 +}
1.28 +
1.29 +int ucx_strncmp(void *s1, void *s2, void *n) {
1.30 + return strncmp((char*)s1, (char*)s2, *((size_t*) n));
1.31 +}
1.32 +
1.33 +int ucx_intcmp(void *i1, void *i2, void *data) {
1.34 + int a = *((int*) i1);
1.35 + int b = *((int*) i2);
1.36 + if (a == b) {
1.37 + return 0;
1.38 + } else {
1.39 + return a < b ? -1 : 1;
1.40 + }
1.41 +}
1.42 +
1.43 +int ucx_floatcmp(void *f1, void *f2, void *epsilon) {
1.44 + float a = *((float*) f1);
1.45 + float b = *((float*) f2);
1.46 + float e = !epsilon ? 1e-6f : *((float*)epsilon);
1.47 + if (fabsf(a - b) < e) {
1.48 + return 0;
1.49 + } else {
1.50 + return a < b ? -1 : 1;
1.51 + }
1.52 +}
1.53 +
1.54 +int ucx_doublecmp(void *d1, void *d2, void *epsilon) {
1.55 + double a = *((float*) d1);
1.56 + double b = *((float*) d2);
1.57 + double e = !epsilon ? 1e-14 : *((double*)epsilon);
1.58 + if (fabs(a - b) < e) {
1.59 + return 0;
1.60 + } else {
1.61 + return a < b ? -1 : 1;
1.62 + }
1.63 +}
1.64 +
1.65 +int ucx_ptrcmp(void *ptr1, void *ptr2, void *data) {
1.66 + if (ptr1 == ptr2) {
1.67 + return 0;
1.68 + } else {
1.69 + return ptr1 < ptr2 ? -1 : 1;
1.70 + }
1.71 +}
1.72 +
1.73 +int ucx_memcmp(void *ptr1, void *ptr2, void *n) {
1.74 + return memcmp(ptr1, ptr2, *((size_t*)n));
1.75 +}
