surge-math 0.1.20-alpha.0

surge synthesizer -- dsp math used in synthesis
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96

ix!();

// copy block (requires aligned data)
pub fn copy_block<NQ>(src: *mut f32, dst: *mut f32, nquads: NQ) 
        where <NQ as std::convert::TryInto<usize>>::Error: std::fmt::Debug, NQ: TryInto<usize>
{
    let nquads: usize = nquads.try_into().unwrap();

   let fdst: *mut f32 = dst as *mut f32;
   let fsrc: *mut f32 = src as *mut f32;

   for i in (0..(nquads << 2)).step_by(8 << 2) 
   {
       unsafe{ 
           _mm_store_ps(fdst.add(i), _mm_load_ps(fsrc.add(i)));
           _mm_store_ps(fdst.add(i + 4), _mm_load_ps(fsrc.add(i + 4)));
           _mm_store_ps(fdst.add(i + 8), _mm_load_ps(fsrc.add(i + 8)));
           _mm_store_ps(fdst.add(i + 12), _mm_load_ps(fsrc.add(i + 12)));
           _mm_store_ps(fdst.add(i + 16), _mm_load_ps(fsrc.add(i + 16)));
           _mm_store_ps(fdst.add(i + 20), _mm_load_ps(fsrc.add(i + 20)));
           _mm_store_ps(fdst.add(i + 24), _mm_load_ps(fsrc.add(i + 24)));
           _mm_store_ps(fdst.add(i + 28), _mm_load_ps(fsrc.add(i + 28)));
       }
   }
}
// copy block (unaligned source)
pub fn copy_block_unaligned_source<NQ>(src: *mut f32, dst: *mut f32, nquads: NQ) 
        where <NQ as std::convert::TryInto<usize>>::Error: std::fmt::Debug, NQ: TryInto<usize>
{
    let nquads: usize = nquads.try_into().unwrap();

    let fdst: *mut f32 = dst as *mut f32;
    let fsrc: *mut f32 = src as *mut f32;

    for i in (0..(nquads << 2)).step_by(8 << 2) 
    {
        unsafe{ 
            _mm_store_ps(fdst.add(i), _mm_loadu_ps(fsrc.add(i)));
            _mm_store_ps(fdst.add(i + 4), _mm_loadu_ps(fsrc.add(i + 4)));
            _mm_store_ps(fdst.add(i + 8), _mm_loadu_ps(fsrc.add(i + 8)));
            _mm_store_ps(fdst.add(i + 12), _mm_loadu_ps(fsrc.add(i + 12)));
            _mm_store_ps(fdst.add(i + 16), _mm_loadu_ps(fsrc.add(i + 16)));
            _mm_store_ps(fdst.add(i + 20), _mm_loadu_ps(fsrc.add(i + 20)));
            _mm_store_ps(fdst.add(i + 24), _mm_loadu_ps(fsrc.add(i + 24)));
            _mm_store_ps(fdst.add(i + 28), _mm_loadu_ps(fsrc.add(i + 28)));
        }
    }
}

// copy block (unaligned destination)
pub fn copy_block_unaligned_destination<NQ>(src: *mut f32, dst: *mut f32, nquads: NQ) 
        where <NQ as std::convert::TryInto<usize>>::Error: std::fmt::Debug, NQ: TryInto<usize>
{
    let nquads: usize = nquads.try_into().unwrap();

    let fdst: *mut f32 = dst as *mut f32;
    let fsrc: *mut f32 = src as *mut f32;

    for i in (0..(nquads << 2)).step_by(8 << 2) 
    {
        unsafe{ 
            _mm_storeu_ps(fdst.add(i), _mm_load_ps(fsrc.add(i)));
            _mm_storeu_ps(fdst.add(i + 4), _mm_load_ps(fsrc.add(i + 4)));
            _mm_storeu_ps(fdst.add(i + 8), _mm_load_ps(fsrc.add(i + 8)));
            _mm_storeu_ps(fdst.add(i + 12), _mm_load_ps(fsrc.add(i + 12)));
            _mm_storeu_ps(fdst.add(i + 16), _mm_load_ps(fsrc.add(i + 16)));
            _mm_storeu_ps(fdst.add(i + 20), _mm_load_ps(fsrc.add(i + 20)));
            _mm_storeu_ps(fdst.add(i + 24), _mm_load_ps(fsrc.add(i + 24)));
            _mm_storeu_ps(fdst.add(i + 28), _mm_load_ps(fsrc.add(i + 28)));
        }
    }
}

// copy block (unaligned source + destination)
pub fn copy_block_unaligned_src_and_dst<NQ>(src: *mut f32, dst: *mut f32, nquads: NQ)
        where <NQ as std::convert::TryInto<usize>>::Error: std::fmt::Debug, NQ: TryInto<usize>
{
    let nquads: usize = nquads.try_into().unwrap();

    let fdst: *mut f32 = dst as *mut f32;
    let fsrc: *mut f32 = src as *mut f32;

    for i in (0..(nquads << 2)).step_by(8 << 2) 
    {
        unsafe {
            _mm_storeu_ps(fdst.add(i),      _mm_loadu_ps(fsrc.add(i)));
            _mm_storeu_ps(fdst.add(i + 4),  _mm_loadu_ps(fsrc.add(i + 4)));
            _mm_storeu_ps(fdst.add(i + 8),  _mm_loadu_ps(fsrc.add(i + 8)));
            _mm_storeu_ps(fdst.add(i + 12), _mm_loadu_ps(fsrc.add(i + 12)));
            _mm_storeu_ps(fdst.add(i + 16), _mm_loadu_ps(fsrc.add(i + 16)));
            _mm_storeu_ps(fdst.add(i + 20), _mm_loadu_ps(fsrc.add(i + 20)));
            _mm_storeu_ps(fdst.add(i + 24), _mm_loadu_ps(fsrc.add(i + 24)));
            _mm_storeu_ps(fdst.add(i + 28), _mm_loadu_ps(fsrc.add(i + 28)));
        }
    }
}