yum-mirror/slang

Making it easier to work with shaders

git clone https://git.yummers.dev/yum-mirror/slang

Yong HeAllow loop counters to be used as constexpr arguments. (#3139)f94b2f7a3

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1//DIAGNOSTIC_TEST:SIMPLE:
2
3float nonDiff(float x)
4{
5    return x;
6}
7
8[ForwardDifferentiable]
9float f(float x)
10{
11    return x * x;
12}
13
14[BackwardDifferentiable]
15float g(float x)
16{
17    float val = f(x + 1); // Error: f must also be backward-differentiable
18    return val;
19}
20
21[BackwardDifferentiable]
22float h(float x)
23{
24    float val = 0;
25    // no diagnostic by clarifying intention.
26    val = no_diff(f(x + 1));
27
28    // error: dynamic loop without [MaxIters] or [ForceUnroll]
29    for (int i = 0; i < (int)x; i++)
30    {
31        no_diff debugBreak();
32    }
33
34    return val;
35}