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ispc/tests/recursion-forward-func-decl.ispc
2012-05-30 10:31:12 -07:00

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export uniform int width() { return programCount; }
float f(float);
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
int a = aFOO[programIndex];
RET[programIndex] = f(a % 16);
}
float f(float x) {
if (x == 0) return x;
else return x + f(x-1);
}
export void result(uniform float RET[]) {
uniform float fib[16] = { 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91, 105, 120, 0 };
RET[programIndex] = fib[programIndex % 16];
}