94 lines
2.7 KiB
Plaintext
94 lines
2.7 KiB
Plaintext
#include "../test_static.isph"
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// rule: skip on arch=x86
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// rule: skip on arch=x86-64
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task void f_f(uniform float RET[], uniform float aFOO[]) {
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float error = 0;
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RET[programIndex] = 0;
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float16 deltaLow = 0.2f16;
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float16 deltaHigh = 0.8f16;
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float16 testVal;
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float16 resVal;
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float16 baseVal;
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float16 checkVal = 0.0f16;
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// Case 1: Covers range -(programCount/2 -1) < val < +(programCount/2) including -1 < val < +1 with deltaLow.
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// So, this covers +0.0, -0.0, -inf < val < 0 with decimal greater than 0.5, 0 < val < +inf with decimal less than 0.5
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// For eg. for a 8 wide target, this will check values : -2.8, -1.8, -0.8, 0.2, 1.2, 2.2, 3.2, 4.2
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baseVal = aFOO[programIndex] - (programCount / 2);
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testVal = baseVal + deltaLow;
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resVal = trunc(testVal);
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checkVal = baseVal;
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if (baseVal < 0) {
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checkVal = -abs(baseVal + 1.0f16); // -abs() Needed for -0.0
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}
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if (checkVal != resVal) {
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error++;
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}
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// Case 2: Covers range -(programCount/2 -1) < val < +(programCount/2) including -1 < val < +1 with deltaHigh.
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// So, this covers +0.0, -0.0, -inf < val < 0 with decimal less than 0.5, 0 < val < +inf with decimal greater than 0.5
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// For eg. for a 8 wide target, this will check values : -2.2, -1.2, -0.2, 0.2, 1.2, 2.2, 3.2, 4.2
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baseVal = aFOO[programIndex] - (programCount / 2);
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testVal = baseVal + deltaHigh;
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resVal = trunc(testVal);
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checkVal = baseVal;
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if (baseVal < 0) {
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checkVal = -abs(baseVal + 1.0f16); // -abs() Needed for -0.0
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}
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if (checkVal != resVal) {
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error++;
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}
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// Case 3: Value +inf.
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baseVal = aFOO[programIndex];
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testVal = baseVal / 0.0f16;
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resVal = trunc(testVal);
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if (testVal != resVal) {
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error++;
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}
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// Case 4: Value -inf.
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baseVal = -aFOO[programIndex];
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testVal = baseVal / 0.0f16;
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resVal = trunc(testVal);
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if (testVal != resVal) {
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error++;
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}
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// Case 5: Value -nan.
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baseVal = -aFOO[programIndex];
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testVal = sqrt(baseVal);
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resVal = trunc(testVal);
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if (!isnan(resVal) || (signbits(testVal) != signbits(resVal))) {
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error++;
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}
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// Case 6: Value +nan.
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testVal = testVal * -1.0f16;
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resVal = trunc(testVal);
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if (!isnan(resVal) || (signbits(testVal) != signbits(resVal))) {
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error++;
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}
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// Case 7: Value +0.
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testVal = +0.0f16;
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resVal = trunc(testVal);
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if (testVal != resVal) {
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error++;
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}
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// Case 8: Value -0.
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testVal = -0.0f16;
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resVal = trunc(testVal);
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if (testVal != resVal) {
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error++;
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}
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// Check if any case fails.
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RET[programIndex] = error;
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}
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task void result(uniform float RET[]) {
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RET[programIndex] = 0;
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}
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