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1/* SPDX-License-Identifier: GPL-3.0
2 * The Language Trail
3 *
4 * math.c
5 *
6 * This is going to be quite long so buckle up!
7 *
8 * https://en.cppreference.com/w/c/header/math.html
9 *
10 * COPYRIGHT NOTICE
11 * Copyright (C) 2025 0x4248 and contributors
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the license is not changed.
14 *
15 * This software is free and open source. Licensed under the GNU general
16 * public license version 3.0 as published by the Free Software Foundation.
17*/
18
19#include <math.h>
20#include <stdio.h>
21#include <float.h>
22
23// ########## CHECKLIST ##########
24// Contents:
25// - Constants
26// - Functions
27//      - Basic
28// ##### CONSTANTS #####
29// HUGE_VAL         [X]
30// INFINITY         [X]
31// NAN              [TODO]
32// FP_FAST          [TODO]
33// FP_ILOGB0        [TODO]
34// math_errhandling [TODO]
35// ##### FUNCTIONS #####
36// ## BASIC ##
37// fabs             [TODO]
38// fmod             [TODO]
39// remainder        [TODO]
40
41/*
42 * Lets have a look at the math constants
43 *
44 * https://en.cppreference.com/w/c/numeric/math/HUGE_VALL.html
45 * https://learn.microsoft.com/en-us/cpp/c-runtime-library/huge-val-huge
46 */
47void test_mathConsts(){
48    /* HUGE_VAL - Its a big value, more specifically its the biggest float
49     * value there is. Some people use it as an error e.g -HUGE_VAL.
50     */
51    printf("%f\n", HUGE_VAL); /* This just prints inf */
52    printf("%Lf\n", HUGE_VALL); /* HUGE_VAL but double; so even huger value */
53
54    /* Very similar to HUGE_VAL but can be used with isinf() */
55    printf("%f\n", INFINITY);
56
57    /* NAN - Not a number, but is a float; can be used with nan() and isnan() */
58    printf("%f\n", NAN);
59}
60
61int main(){
62    test_mathConsts();
63    return 0;
64}
65
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