amath  1.8.5
Simple command line calculator
crd.c
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1 /*-
2  * Copyright (c) 2014-2018 Carsten Sonne Larsen <cs@innolan.net>
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29 
30 /**
31  * @file crd.c
32  * @brief Chord function
33  */
34 
35 #include "prim.h"
36 
37 /**
38  * @brief Chord function
39  * @details
40  * <pre>
41  * crd(x) = 2*sin(x/2)
42  * </pre>
43  */
44 double crd(double x)
45 {
46  double a = x / 2.0;
47  double b = sin(a);
48  double c = 2.0 * b;
49  return c;
50 }
double crd(double x)
Chord function.
Definition: crd.c:44
double sin(double x)
Sine function.
Definition: sin.c:86