arduino-audio-tools
Float32.h
1 #pragma once
2 #include "AudioConfig.h"
3 
4 namespace audio_tools {
5 
12 class float32 {
13  public:
14  float32() = default;
15  float32(float value){
16  this->value = float32::as_uint(value);
17  }
18  float32(const float32 &value){
19  this->value = value.value;
20  }
21  inline operator float() {
22  return as_float(value);
23  }
24  explicit inline operator double() {
25  return (double) float32::as_float(value);
26  }
27  explicit inline operator int() {
28  return (int) float32::as_float(value);
29  }
30  explicit inline operator int() const {
31  return (int) float32::as_float(value);
32  }
33  inline bool operator< (float32 other) const{
34  return float() < (float)other;
35  }
36  inline bool operator<= (float32 other) const{
37  return float() <= (float)other;
38  }
39  inline bool operator> (float32 other) const{
40  return float() > (float)other;
41  }
42  inline bool operator>= (float32 other) const{
43  return float() >= (float)other;
44  }
45  inline bool operator== (float32 other) const{
46  return float() == (float)other;
47  }
48  inline bool operator!= (float32 other) const{
49  return float() != (float)other;
50  }
51 
52  protected:
53  uint32_t value=0;
54 
55  static uint32_t as_uint(float x) {
56  return *(uint32_t*)&x;
57  }
58  static float as_float(uint32_t x) {
59  return *(float*)&x;
60  }
61 
62 };
63 
64 inline float operator+ (float32 one, float32 two)
65 {
66  return (float)one + (float)two;
67 }
68 inline float operator- (float32 one, float32 two)
69 {
70  return (float)one - (float)two;
71 }
72 inline float operator* (float32 one, float32 two)
73 {
74  return (float)one * (float)two;
75 }
76 inline float operator/ (float32 one, float32 two)
77 {
78  return (float)one / (float)two;
79 }
80 inline float operator+ (float32 one, float two)
81 {
82  return (float)one + two;
83 }
84 inline float operator- (float32 one, float two)
85 {
86  return (float)one - two;
87 }
88 inline float operator* (float32 one, float two)
89 {
90  return (float)one * two;
91 }
92 inline float operator/ (float32 one, float two)
93 {
94  return (float)one / two;
95 }
96 inline float operator+ (float one, float32 two)
97 {
98  return two + float(one);
99 }
100 inline float operator- (float one, float32 two)
101 {
102  return two - float(one);
103 }
104 inline float operator* (float one, float32 two)
105 {
106  return two * float(one);
107 }
108 inline float operator/ (float one, float32 two)
109 {
110  return two / float(one);
111 }
112 
113 }
114 
115 namespace std {
116 
117 inline float floor ( float32 arg ) { return std::floor((float)arg);}
118 inline float fabs ( float32 arg ) { return std::fabs((float)arg);}
119 
120 }
Stores float values as uint32_t so that we can use memory allocated with MALLOC_CAP_32BIT.
Definition: Float32.h:12
Generic Implementation of sound input and output for desktop environments using portaudio.
Definition: AudioConfig.h:859