PropWare  3.0.0.229
C++ objects and CMake build system for Parallax Propeller
mapFloat.c
1 /*
2  * @file mapFloat.c
3  *
4  * @author Andy Lindsay
5  *
6  * @version 1.1.8
7  *
8  * @copyright Copyright (C) Parallax, Inc. 2018. See end of file for
9  * terms of use (MIT License).
10  *
11  * @brief mapfloat function source, see simpletools.h for documentation.
12  *
13  * @detail Please submit bug reports, suggestions, and improvements to
14  * this code to editor@parallax.com.
15  */
16 
17 
18 
19 #include "simpletools.h"
20 
21 float mapFloat(float value, float fromMin, float fromMax, float toMin, float toMax)
22 {
23  // n - numerator
24  // d - denomenator
25 
26  float n = (value - fromMin) * (toMax - toMin);
27  float d = (fromMax - fromMin);
28 
29  float val = n / d;
30 
31  return val + toMin;
32 }
33 
34 
35 
simpletools.h
This library provides convenient functions for a variety of microcontroller I/O, timing,...
mapFloat
float mapFloat(float value, float fromMin, float fromMax, float toMin, float toMax)
Maps a floating point value from its position in one range to its corresponding. position in a differ...
Definition: mapFloat.c:21