ucx/comparator.h@7625a8efcc97 (annotated)
ucx/comparator.h
Wed, 27 Feb 2013 10:57:40 +0100
- author
- Mike Becker <universe@uap-core.de>
- date
- Wed, 27 Feb 2013 10:57:40 +0100
- changeset 92
- 7625a8efcc97
- parent 91
- 91595a45fad6
- permissions
- -rw-r--r--
added floating point comparators
| universe@89 | 1 | #ifndef COMPARATOR_H |
| universe@89 | 2 | #define COMPARATOR_H |
| universe@89 | 3 | |
| universe@89 | 4 | #ifdef __cplusplus |
| universe@89 | 5 | extern "C" { |
| universe@89 | 6 | #endif |
| universe@89 | 7 | |
| universe@89 | 8 | #include "ucx.h" |
| universe@89 | 9 | #include <string.h> |
| universe@89 | 10 | |
| universe@89 | 11 | /** |
| universe@89 | 12 | * Wraps the strcmp function. |
| universe@89 | 13 | * @param s1 string one |
| universe@89 | 14 | * @param s2 string two |
| universe@89 | 15 | * @param data omitted |
| universe@89 | 16 | * @return the result of strcmp(s1, s2) |
| universe@89 | 17 | */ |
| universe@89 | 18 | int ucx_strcmp(void *s1, void *s2, void *data); |
| universe@89 | 19 | |
| universe@89 | 20 | /** |
| universe@89 | 21 | * Wraps the strncmp function. |
| universe@89 | 22 | * @param s1 string one |
| universe@89 | 23 | * @param s2 string two |
| universe@89 | 24 | * @param n a pointer to the size_t containing the third strncmp parameter |
| universe@89 | 25 | * @return the result of strncmp(s1, s2, *n) |
| universe@89 | 26 | */ |
| universe@89 | 27 | int ucx_strncmp(void *s1, void *s2, void *n); |
| universe@89 | 28 | |
| universe@89 | 29 | /** |
| universe@89 | 30 | * Compares two integers of type int. |
| universe@89 | 31 | * @param i1 pointer to integer one |
| universe@89 | 32 | * @param i2 pointer to integer two |
| universe@89 | 33 | * @param data omitted |
| universe@89 | 34 | * @return -1, if *i1 is less than *i2, 0 if both are equal, |
| universe@89 | 35 | * 1 if *i1 is greater than *i2 |
| universe@89 | 36 | */ |
| universe@89 | 37 | |
| universe@89 | 38 | int ucx_intcmp(void *i1, void *i2, void *data); |
| universe@89 | 39 | |
| universe@89 | 40 | /** |
| universe@92 | 41 | * Compares two real numbers of type float. |
| universe@92 | 42 | * @param f1 pointer to float one |
| universe@92 | 43 | * @param f2 pointer to float two |
| universe@92 | 44 | * @param if provided: a pointer to precision (default: 1e-6f) |
| universe@92 | 45 | * @return -1, if *f1 is less than *f2, 0 if both are equal, |
| universe@92 | 46 | * 1 if *f1 is greater than *f2 |
| universe@92 | 47 | */ |
| universe@92 | 48 | |
| universe@92 | 49 | int ucx_floatcmp(void *f1, void *f2, void *data); |
| universe@92 | 50 | |
| universe@92 | 51 | /** |
| universe@92 | 52 | * Compares two real numbers of type double. |
| universe@92 | 53 | * @param f1 pointer to double one |
| universe@92 | 54 | * @param f2 pointer to double two |
| universe@92 | 55 | * @param if provided: a pointer to precision (default: 1e-14) |
| universe@92 | 56 | * @return -1, if *d1 is less than *d2, 0 if both are equal, |
| universe@92 | 57 | * 1 if *d1 is greater than *d2 |
| universe@92 | 58 | */ |
| universe@92 | 59 | |
| universe@92 | 60 | int ucx_doublecmp(void *d1, void *d2, void *data); |
| universe@92 | 61 | |
| universe@92 | 62 | /** |
| universe@89 | 63 | * Compares two pointers. |
| universe@89 | 64 | * @param ptr1 pointer one |
| universe@89 | 65 | * @param ptr2 pointer two |
| universe@89 | 66 | * @param data omitted |
| universe@89 | 67 | * @return -1 if ptr1 is less than ptr2, 0 if both are equal, |
| universe@89 | 68 | * 1 if ptr1 is greater than ptr2 |
| universe@89 | 69 | */ |
| universe@89 | 70 | int ucx_ptrcmp(void *ptr1, void *ptr2, void *data); |
| universe@89 | 71 | |
| universe@91 | 72 | /** |
| universe@91 | 73 | * Compares two memory areas. |
| universe@91 | 74 | * @param ptr1 pointer one |
| universe@91 | 75 | * @param ptr2 pointer two |
| universe@91 | 76 | * @param n a pointer to the size_t containing the third parameter for memcmp |
| universe@91 | 77 | * @return the result of memcmp(ptr1, ptr2, *n) |
| universe@91 | 78 | */ |
| universe@91 | 79 | int ucx_memcmp(void *ptr1, void *ptr2, void *n); |
| universe@91 | 80 | |
| universe@89 | 81 | #ifdef __cplusplus |
| universe@89 | 82 | } |
| universe@89 | 83 | #endif |
| universe@89 | 84 | |
| universe@89 | 85 | #endif /* COMPARATOR_H */ |
| universe@89 | 86 |
