comparison: ucx/comparator.h
ucx/comparator.h
- changeset 94
- 57ea041df22f
- parent 92
- 7625a8efcc97
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| 93:a6a99e721660 | 94:57ea041df22f |
|---|---|
| 1 #ifndef COMPARATOR_H | |
| 2 #define COMPARATOR_H | |
| 3 | |
| 4 #ifdef __cplusplus | |
| 5 extern "C" { | |
| 6 #endif | |
| 7 | |
| 8 #include "ucx.h" | |
| 9 #include <string.h> | |
| 10 | |
| 11 /** | |
| 12 * Wraps the strcmp function. | |
| 13 * @param s1 string one | |
| 14 * @param s2 string two | |
| 15 * @param data omitted | |
| 16 * @return the result of strcmp(s1, s2) | |
| 17 */ | |
| 18 int ucx_strcmp(void *s1, void *s2, void *data); | |
| 19 | |
| 20 /** | |
| 21 * Wraps the strncmp function. | |
| 22 * @param s1 string one | |
| 23 * @param s2 string two | |
| 24 * @param n a pointer to the size_t containing the third strncmp parameter | |
| 25 * @return the result of strncmp(s1, s2, *n) | |
| 26 */ | |
| 27 int ucx_strncmp(void *s1, void *s2, void *n); | |
| 28 | |
| 29 /** | |
| 30 * Compares two integers of type int. | |
| 31 * @param i1 pointer to integer one | |
| 32 * @param i2 pointer to integer two | |
| 33 * @param data omitted | |
| 34 * @return -1, if *i1 is less than *i2, 0 if both are equal, | |
| 35 * 1 if *i1 is greater than *i2 | |
| 36 */ | |
| 37 | |
| 38 int ucx_intcmp(void *i1, void *i2, void *data); | |
| 39 | |
| 40 /** | |
| 41 * Compares two real numbers of type float. | |
| 42 * @param f1 pointer to float one | |
| 43 * @param f2 pointer to float two | |
| 44 * @param if provided: a pointer to precision (default: 1e-6f) | |
| 45 * @return -1, if *f1 is less than *f2, 0 if both are equal, | |
| 46 * 1 if *f1 is greater than *f2 | |
| 47 */ | |
| 48 | |
| 49 int ucx_floatcmp(void *f1, void *f2, void *data); | |
| 50 | |
| 51 /** | |
| 52 * Compares two real numbers of type double. | |
| 53 * @param f1 pointer to double one | |
| 54 * @param f2 pointer to double two | |
| 55 * @param if provided: a pointer to precision (default: 1e-14) | |
| 56 * @return -1, if *d1 is less than *d2, 0 if both are equal, | |
| 57 * 1 if *d1 is greater than *d2 | |
| 58 */ | |
| 59 | |
| 60 int ucx_doublecmp(void *d1, void *d2, void *data); | |
| 61 | |
| 62 /** | |
| 63 * Compares two pointers. | |
| 64 * @param ptr1 pointer one | |
| 65 * @param ptr2 pointer two | |
| 66 * @param data omitted | |
| 67 * @return -1 if ptr1 is less than ptr2, 0 if both are equal, | |
| 68 * 1 if ptr1 is greater than ptr2 | |
| 69 */ | |
| 70 int ucx_ptrcmp(void *ptr1, void *ptr2, void *data); | |
| 71 | |
| 72 /** | |
| 73 * Compares two memory areas. | |
| 74 * @param ptr1 pointer one | |
| 75 * @param ptr2 pointer two | |
| 76 * @param n a pointer to the size_t containing the third parameter for memcmp | |
| 77 * @return the result of memcmp(ptr1, ptr2, *n) | |
| 78 */ | |
| 79 int ucx_memcmp(void *ptr1, void *ptr2, void *n); | |
| 80 | |
| 81 #ifdef __cplusplus | |
| 82 } | |
| 83 #endif | |
| 84 | |
| 85 #endif /* COMPARATOR_H */ | |
| 86 |
