ucx: src/compare.c@95ba6014041b

     1 /*

     2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

     3  *

     4  * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.

     5  *

     6  * Redistribution and use in source and binary forms, with or without

     7  * modification, are permitted provided that the following conditions are met:

     8  *

     9  *   1. Redistributions of source code must retain the above copyright

    10  *      notice, this list of conditions and the following disclaimer.

    11  *

    12  *   2. Redistributions in binary form must reproduce the above copyright

    13  *      notice, this list of conditions and the following disclaimer in the

    14  *      documentation and/or other materials provided with the distribution.

    15  *

    16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

    17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

    19  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE

    20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

    21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

    22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

    23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

    24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

    25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

    26  * POSSIBILITY OF SUCH DAMAGE.

    27  */

    29 #include "cx/compare.h"

    31 #include <stdint.h>

    32 #include <math.h>

    34 int cx_cmp_int(void const *i1, void const *i2) {

    35     int a = *((const int*) i1);

    36     int b = *((const int*) i2);

    37     if (a == b) {

    38         return 0;

    39     } else {

    40         return a < b ? -1 : 1;

    41     }

    42 }

    44 int cx_cmp_longint(void const *i1, void const *i2) {

    45     long int a = *((const long int*) i1);

    46     long int b = *((const long int*) i2);

    47     if (a == b) {

    48         return 0;

    49     } else {

    50         return a < b ? -1 : 1;

    51     }

    52 }

    54 int cx_cmp_longlong(void const *i1, void const *i2) {

    55     long long a = *((const long long*) i1);

    56     long long b = *((const long long*) i2);

    57     if (a == b) {

    58         return 0;

    59     } else {

    60         return a < b ? -1 : 1;

    61     }

    62 }

    64 int cx_cmp_int16(void const *i1, void const *i2) {

    65     int16_t a = *((const int16_t*) i1);

    66     int16_t b = *((const int16_t*) i2);

    67     if (a == b) {

    68         return 0;

    69     } else {

    70         return a < b ? -1 : 1;

    71     }

    72 }

    74 int cx_cmp_int32(void const *i1, void const *i2) {

    75     int32_t a = *((const int32_t*) i1);

    76     int32_t b = *((const int32_t*) i2);

    77     if (a == b) {

    78         return 0;

    79     } else {

    80         return a < b ? -1 : 1;

    81     }

    82 }

    84 int cx_cmp_int64(void const *i1, void const *i2) {

    85     int64_t a = *((const int64_t*) i1);

    86     int64_t b = *((const int64_t*) i2);

    87     if (a == b) {

    88         return 0;

    89     } else {

    90         return a < b ? -1 : 1;

    91     }

    92 }

    94 int cx_cmp_uint(void const *i1, void const *i2) {

    95     unsigned int a = *((const unsigned int*) i1);

    96     unsigned int b = *((const unsigned int*) i2);

    97     if (a == b) {

    98         return 0;

    99     } else {

   100         return a < b ? -1 : 1;

   101     }

   102 }

   104 int cx_cmp_ulongint(void const *i1, void const *i2) {

   105     unsigned long int a = *((const unsigned long int*) i1);

   106     unsigned long int b = *((const unsigned long int*) i2);

   107     if (a == b) {

   108         return 0;

   109     } else {

   110         return a < b ? -1 : 1;

   111     }

   112 }

   114 int cx_cmp_ulonglong(void const *i1, void const *i2) {

   115     unsigned long long a = *((const unsigned long long*) i1);

   116     unsigned long long b = *((const unsigned long long*) i2);

   117     if (a == b) {

   118         return 0;

   119     } else {

   120         return a < b ? -1 : 1;

   121     }

   122 }

   124 int cx_cmp_uint16(void const *i1, void const *i2) {

   125     uint16_t a = *((const uint16_t*) i1);

   126     uint16_t b = *((const uint16_t*) i2);

   127     if (a == b) {

   128         return 0;

   129     } else {

   130         return a < b ? -1 : 1;

   131     }

   132 }

   134 int cx_cmp_uint32(void const *i1, void const *i2) {

   135     uint32_t a = *((const uint32_t*) i1);

   136     uint32_t b = *((const uint32_t*) i2);

   137     if (a == b) {

   138         return 0;

   139     } else {

   140         return a < b ? -1 : 1;

   141     }

   142 }

   144 int cx_cmp_uint64(void const *i1, void const *i2) {

   145     uint64_t a = *((const uint64_t*) i1);

   146     uint64_t b = *((const uint64_t*) i2);

   147     if (a == b) {

   148         return 0;

   149     } else {

   150         return a < b ? -1 : 1;

   151     }

   152 }

   154 int cx_cmp_float(void const *f1, void const *f2) {

   155     float a = *((const float*) f1);

   156     float b = *((const float*) f2);

   157     if (fabsf(a - b) < 1e-6f) {

   158         return 0;

   159     } else {

   160         return a < b ? -1 : 1;

   161     }

   162 }

   164 int cx_cmp_double(void const *d1, void const *d2) {

   165     double a = *((const double*) d1);

   166     double b = *((const double*) d2);

   167     if (fabs(a - b) < 1e-14) {

   168         return 0;

   169     } else {

   170         return a < b ? -1 : 1;

   171     }

   172 }

   174 int cx_cmp_ptr(void const *ptr1, void const *ptr2) {

   175     const intptr_t p1 = (const intptr_t) ptr1;

   176     const intptr_t p2 = (const intptr_t) ptr2;

   177     if (p1 == p2) {

   178         return 0;

   179     } else {

   180         return p1  < p2 ? -1 : 1;

   181     }

   182 }

Mercurial > hg > ucx / file revision