This lets us check for a functioning rdrand() call in the stdlib more reliably. Fixes issue #333.
20 lines
348 B
Plaintext
20 lines
348 B
Plaintext
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export uniform int width() { return programCount; }
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export void f_f(uniform float RET[], uniform float aFOO[]) {
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#ifndef ISPC_HAS_RAND
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RET[programIndex] = 1;
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#else
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float r = -1;
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while (!rdrand(&r))
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;
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RET[programIndex] = (r >= 0 && r < 1);
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#endif
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}
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export void result(uniform float RET[]) {
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RET[programIndex] = 1;
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}
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