25 lines
744 B
Plaintext
25 lines
744 B
Plaintext
bool ok(float x, float ref) { return (abs(x - ref) < 1e-4) || abs((x-ref)/ref) < 1e-4; }
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export void f_v(uniform float RET[]) {
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uniform float vals[8] = { 0, 1, 0.5, -1, -.87, -.25, 1e-3, -.99999999 };
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uniform float r[8];
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foreach (i = 0 ... 8) {
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// TODO: Possible optimization opportunity.
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#pragma ignore warning(perf)
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r[i] = cos(acos(vals[i % 8]));
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}
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int errors = 0;
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for (uniform int i = 0; i < 8; ++i) {
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if (ok(r[i], vals[i%8]) == false) {
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#ifndef ISPC_TARGET_GENX
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print("error @ %: got %, expected %\n", i, r[i], vals[i%8]);
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#endif
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++errors;
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}
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}
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RET[programIndex] = errors;
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}
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export void result(uniform float RET[]) { RET[programIndex] = 0; }
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