src/compare.c

changeset 601
95ba6014041b
child 631
406376e64fd8
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/compare.c	Sat Nov 05 17:50:04 2022 +0100
     1.3 @@ -0,0 +1,182 @@
     1.4 +/*
     1.5 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
     1.6 + *
     1.7 + * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
     1.8 + *
     1.9 + * Redistribution and use in source and binary forms, with or without
    1.10 + * modification, are permitted provided that the following conditions are met:
    1.11 + *
    1.12 + *   1. Redistributions of source code must retain the above copyright
    1.13 + *      notice, this list of conditions and the following disclaimer.
    1.14 + *
    1.15 + *   2. Redistributions in binary form must reproduce the above copyright
    1.16 + *      notice, this list of conditions and the following disclaimer in the
    1.17 + *      documentation and/or other materials provided with the distribution.
    1.18 + *
    1.19 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    1.20 + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    1.21 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    1.22 + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
    1.23 + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    1.24 + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    1.25 + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    1.26 + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    1.27 + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    1.28 + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    1.29 + * POSSIBILITY OF SUCH DAMAGE.
    1.30 + */
    1.31 +
    1.32 +#include "cx/compare.h"
    1.33 +
    1.34 +#include <stdint.h>
    1.35 +#include <math.h>
    1.36 +
    1.37 +int cx_cmp_int(void const *i1, void const *i2) {
    1.38 +    int a = *((const int*) i1);
    1.39 +    int b = *((const int*) i2);
    1.40 +    if (a == b) {
    1.41 +        return 0;
    1.42 +    } else {
    1.43 +        return a < b ? -1 : 1;
    1.44 +    }
    1.45 +}
    1.46 +
    1.47 +int cx_cmp_longint(void const *i1, void const *i2) {
    1.48 +    long int a = *((const long int*) i1);
    1.49 +    long int b = *((const long int*) i2);
    1.50 +    if (a == b) {
    1.51 +        return 0;
    1.52 +    } else {
    1.53 +        return a < b ? -1 : 1;
    1.54 +    }
    1.55 +}
    1.56 +
    1.57 +int cx_cmp_longlong(void const *i1, void const *i2) {
    1.58 +    long long a = *((const long long*) i1);
    1.59 +    long long b = *((const long long*) i2);
    1.60 +    if (a == b) {
    1.61 +        return 0;
    1.62 +    } else {
    1.63 +        return a < b ? -1 : 1;
    1.64 +    }
    1.65 +}
    1.66 +
    1.67 +int cx_cmp_int16(void const *i1, void const *i2) {
    1.68 +    int16_t a = *((const int16_t*) i1);
    1.69 +    int16_t b = *((const int16_t*) i2);
    1.70 +    if (a == b) {
    1.71 +        return 0;
    1.72 +    } else {
    1.73 +        return a < b ? -1 : 1;
    1.74 +    }
    1.75 +}
    1.76 +
    1.77 +int cx_cmp_int32(void const *i1, void const *i2) {
    1.78 +    int32_t a = *((const int32_t*) i1);
    1.79 +    int32_t b = *((const int32_t*) i2);
    1.80 +    if (a == b) {
    1.81 +        return 0;
    1.82 +    } else {
    1.83 +        return a < b ? -1 : 1;
    1.84 +    }
    1.85 +}
    1.86 +
    1.87 +int cx_cmp_int64(void const *i1, void const *i2) {
    1.88 +    int64_t a = *((const int64_t*) i1);
    1.89 +    int64_t b = *((const int64_t*) i2);
    1.90 +    if (a == b) {
    1.91 +        return 0;
    1.92 +    } else {
    1.93 +        return a < b ? -1 : 1;
    1.94 +    }
    1.95 +}
    1.96 +
    1.97 +int cx_cmp_uint(void const *i1, void const *i2) {
    1.98 +    unsigned int a = *((const unsigned int*) i1);
    1.99 +    unsigned int b = *((const unsigned int*) i2);
   1.100 +    if (a == b) {
   1.101 +        return 0;
   1.102 +    } else {
   1.103 +        return a < b ? -1 : 1;
   1.104 +    }
   1.105 +}
   1.106 +
   1.107 +int cx_cmp_ulongint(void const *i1, void const *i2) {
   1.108 +    unsigned long int a = *((const unsigned long int*) i1);
   1.109 +    unsigned long int b = *((const unsigned long int*) i2);
   1.110 +    if (a == b) {
   1.111 +        return 0;
   1.112 +    } else {
   1.113 +        return a < b ? -1 : 1;
   1.114 +    }
   1.115 +}
   1.116 +
   1.117 +int cx_cmp_ulonglong(void const *i1, void const *i2) {
   1.118 +    unsigned long long a = *((const unsigned long long*) i1);
   1.119 +    unsigned long long b = *((const unsigned long long*) i2);
   1.120 +    if (a == b) {
   1.121 +        return 0;
   1.122 +    } else {
   1.123 +        return a < b ? -1 : 1;
   1.124 +    }
   1.125 +}
   1.126 +
   1.127 +int cx_cmp_uint16(void const *i1, void const *i2) {
   1.128 +    uint16_t a = *((const uint16_t*) i1);
   1.129 +    uint16_t b = *((const uint16_t*) i2);
   1.130 +    if (a == b) {
   1.131 +        return 0;
   1.132 +    } else {
   1.133 +        return a < b ? -1 : 1;
   1.134 +    }
   1.135 +}
   1.136 +
   1.137 +int cx_cmp_uint32(void const *i1, void const *i2) {
   1.138 +    uint32_t a = *((const uint32_t*) i1);
   1.139 +    uint32_t b = *((const uint32_t*) i2);
   1.140 +    if (a == b) {
   1.141 +        return 0;
   1.142 +    } else {
   1.143 +        return a < b ? -1 : 1;
   1.144 +    }
   1.145 +}
   1.146 +
   1.147 +int cx_cmp_uint64(void const *i1, void const *i2) {
   1.148 +    uint64_t a = *((const uint64_t*) i1);
   1.149 +    uint64_t b = *((const uint64_t*) i2);
   1.150 +    if (a == b) {
   1.151 +        return 0;
   1.152 +    } else {
   1.153 +        return a < b ? -1 : 1;
   1.154 +    }
   1.155 +}
   1.156 +
   1.157 +int cx_cmp_float(void const *f1, void const *f2) {
   1.158 +    float a = *((const float*) f1);
   1.159 +    float b = *((const float*) f2);
   1.160 +    if (fabsf(a - b) < 1e-6f) {
   1.161 +        return 0;
   1.162 +    } else {
   1.163 +        return a < b ? -1 : 1;
   1.164 +    }
   1.165 +}
   1.166 +
   1.167 +int cx_cmp_double(void const *d1, void const *d2) {
   1.168 +    double a = *((const double*) d1);
   1.169 +    double b = *((const double*) d2);
   1.170 +    if (fabs(a - b) < 1e-14) {
   1.171 +        return 0;
   1.172 +    } else {
   1.173 +        return a < b ? -1 : 1;
   1.174 +    }
   1.175 +}
   1.176 +
   1.177 +int cx_cmp_ptr(void const *ptr1, void const *ptr2) {
   1.178 +    const intptr_t p1 = (const intptr_t) ptr1;
   1.179 +    const intptr_t p2 = (const intptr_t) ptr2;
   1.180 +    if (p1 == p2) {
   1.181 +        return 0;
   1.182 +    } else {
   1.183 +        return p1  < p2 ? -1 : 1;
   1.184 +    }
   1.185 +}

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