src/cx/compare.h

Fri, 05 May 2023 19:07:56 +0200

author
Mike Becker <universe@uap-core.de>
date
Fri, 05 May 2023 19:07:56 +0200
changeset 702
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parent 650
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child 759
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permissions
-rw-r--r--

fix cx_linked_list_sort() not working for empty lists

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28 /**
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29 * \file compare.h
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30 * \brief A collection of simple compare functions.
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31 * \author Mike Becker
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32 * \author Olaf Wintermann
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33 * \version 3.0
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34 * \copyright 2-Clause BSD License
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35 */
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36
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37 #ifndef UCX_COMPARE_H
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38 #define UCX_COMPARE_H
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39
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40 #include "common.h"
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41
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42 #ifdef __cplusplus
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43 extern "C" {
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44 #endif
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45
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46 /**
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47 * Compares two integers of type int.
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48 *
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49 * @param i1 pointer to integer one
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50 * @param i2 pointer to integer two
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51 * @return -1, if *i1 is less than *i2, 0 if both are equal,
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52 * 1 if *i1 is greater than *i2
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53 */
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54 int cx_cmp_int(void const *i1, void const *i2);
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55
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56 /**
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57 * Compares two integers of type long int.
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58 *
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59 * @param i1 pointer to long integer one
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60 * @param i2 pointer to long integer two
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61 * @return -1, if *i1 is less than *i2, 0 if both are equal,
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62 * 1 if *i1 is greater than *i2
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63 */
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64 int cx_cmp_longint(void const *i1, void const *i2);
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65
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66 /**
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67 * Compares two integers of type long long.
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68 *
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69 * @param i1 pointer to long long one
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70 * @param i2 pointer to long long two
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71 * @return -1, if *i1 is less than *i2, 0 if both are equal,
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72 * 1 if *i1 is greater than *i2
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73 */
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74 int cx_cmp_longlong(void const *i1, void const *i2);
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75
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76 /**
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77 * Compares two integers of type int16_t.
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78 *
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79 * @param i1 pointer to int16_t one
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80 * @param i2 pointer to int16_t two
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81 * @return -1, if *i1 is less than *i2, 0 if both are equal,
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82 * 1 if *i1 is greater than *i2
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83 */
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84 int cx_cmp_int16(void const *i1, void const *i2);
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85
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86 /**
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87 * Compares two integers of type int32_t.
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88 *
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89 * @param i1 pointer to int32_t one
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90 * @param i2 pointer to int32_t two
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91 * @return -1, if *i1 is less than *i2, 0 if both are equal,
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92 * 1 if *i1 is greater than *i2
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93 */
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94 int cx_cmp_int32(void const *i1, void const *i2);
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95
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96 /**
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97 * Compares two integers of type int64_t.
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98 *
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99 * @param i1 pointer to int64_t one
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100 * @param i2 pointer to int64_t two
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101 * @return -1, if *i1 is less than *i2, 0 if both are equal,
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102 * 1 if *i1 is greater than *i2
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103 */
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104 int cx_cmp_int64(void const *i1, void const *i2);
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105
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106 /**
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107 * Compares two integers of type unsigned int.
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108 *
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109 * @param i1 pointer to unsigned integer one
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110 * @param i2 pointer to unsigned integer two
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111 * @return -1, if *i1 is less than *i2, 0 if both are equal,
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112 * 1 if *i1 is greater than *i2
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113 */
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114 int cx_cmp_uint(void const *i1, void const *i2);
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115
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116 /**
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117 * Compares two integers of type unsigned long int.
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118 *
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119 * @param i1 pointer to unsigned long integer one
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120 * @param i2 pointer to unsigned long integer two
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121 * @return -1, if *i1 is less than *i2, 0 if both are equal,
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122 * 1 if *i1 is greater than *i2
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123 */
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124 int cx_cmp_ulongint(void const *i1, void const *i2);
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125
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126 /**
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127 * Compares two integers of type unsigned long long.
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128 *
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129 * @param i1 pointer to unsigned long long one
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130 * @param i2 pointer to unsigned long long two
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131 * @return -1, if *i1 is less than *i2, 0 if both are equal,
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132 * 1 if *i1 is greater than *i2
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133 */
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134 int cx_cmp_ulonglong(void const *i1, void const *i2);
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135
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136 /**
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137 * Compares two integers of type uint16_t.
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138 *
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139 * @param i1 pointer to uint16_t one
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140 * @param i2 pointer to uint16_t two
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141 * @return -1, if *i1 is less than *i2, 0 if both are equal,
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142 * 1 if *i1 is greater than *i2
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143 */
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144 int cx_cmp_uint16(void const *i1, void const *i2);
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145
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146 /**
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147 * Compares two integers of type uint32_t.
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148 *
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149 * @param i1 pointer to uint32_t one
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150 * @param i2 pointer to uint32_t two
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151 * @return -1, if *i1 is less than *i2, 0 if both are equal,
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152 * 1 if *i1 is greater than *i2
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153 */
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154 int cx_cmp_uint32(void const *i1, void const *i2);
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155
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156 /**
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157 * Compares two integers of type uint64_t.
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158 *
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159 * @param i1 pointer to uint64_t one
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160 * @param i2 pointer to uint64_t two
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161 * @return -1, if *i1 is less than *i2, 0 if both are equal,
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162 * 1 if *i1 is greater than *i2
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163 */
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164 int cx_cmp_uint64(void const *i1, void const *i2);
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165
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166 /**
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167 * Compares two real numbers of type float with precision 1e-6f.
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168 *
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169 * @param f1 pointer to float one
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170 * @param f2 pointer to float two
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171 * @return -1, if *f1 is less than *f2, 0 if both are equal,
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172 * 1 if *f1 is greater than *f2
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173 */
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174
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175 int cx_cmp_float(void const *f1, void const *f2);
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176
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177 /**
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178 * Compares two real numbers of type double with precision 1e-14.
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179 *
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180 * @param d1 pointer to double one
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181 * @param d2 pointer to double two
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182 * @return -1, if *d1 is less than *d2, 0 if both are equal,
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183 * 1 if *d1 is greater than *d2
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184 */
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185 int cx_cmp_double(
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186 void const *d1,
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187 void const *d2
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188 );
601
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189
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190 /**
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191 * Compares the integer representation of two pointers.
601
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192 *
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193 * @param ptr1 pointer to pointer one (intptr_t const*)
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194 * @param ptr2 pointer to pointer two (intptr_t const*)
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195 * @return -1 if *ptr1 is less than *ptr2, 0 if both are equal,
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196 * 1 if *ptr1 is greater than *ptr2
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197 */
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198 int cx_cmp_intptr(
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199 void const *ptr1,
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200 void const *ptr2
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201 );
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202
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203 /**
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204 * Compares the unsigned integer representation of two pointers.
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205 *
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206 * @param ptr1 pointer to pointer one (uintptr_t const*)
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207 * @param ptr2 pointer to pointer two (uintptr_t const*)
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208 * @return -1 if *ptr1 is less than *ptr2, 0 if both are equal,
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209 * 1 if *ptr1 is greater than *ptr2
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210 */
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211 int cx_cmp_uintptr(
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212 void const *ptr1,
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213 void const *ptr2
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214 );
601
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215
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216 #ifdef __cplusplus
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217 } // extern "C"
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218 #endif
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219
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220 #endif //UCX_COMPARE_H

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