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Add test for general bf16 isnan impl #1568

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Mar 1, 2023
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Add test for general bf16 isnan impl #1568

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24 changes: 15 additions & 9 deletions SYCL/BFloat16/bfloat16_builtins.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,8 @@ bool check(float a, float b) {
return fabs(2 * (a - b) / (a + b)) > bf16_eps * 2;
}

bool check(bool a, bool b) { return (a != b); }

#define TEST_BUILTIN_1_SCAL_IMPL(NAME) \
{ \
buffer<float> a_buf(&a[0], N); \
Expand All @@ -46,7 +48,7 @@ bool check(float a, float b) {
} \
assert(err == 0);

#define TEST_BUILTIN_1_ARR_IMPL(NAME, SZ) \
#define TEST_BUILTIN_1_ARR_IMPL(NAME, SZ, RETTY) \
{ \
buffer<float, 2> a_buf{range<2>{N / SZ, SZ}}; \
buffer<int> err_buf(&err, 1); \
Expand All @@ -59,7 +61,7 @@ bool check(float a, float b) {
for (int i = 0; i < SZ; i++) { \
arg[i] = A[index][i]; \
} \
marray<bfloat16, SZ> res = NAME(arg); \
marray<RETTY, SZ> res = NAME(arg); \
for (int i = 0; i < SZ; i++) { \
if (check(res[i], NAME(A[index][i]))) { \
ERR[0] = 1; \
Expand All @@ -70,13 +72,13 @@ bool check(float a, float b) {
} \
assert(err == 0);

#define TEST_BUILTIN_1(NAME) \
#define TEST_BUILTIN_1(NAME, RETTY) \
TEST_BUILTIN_1_SCAL_IMPL(NAME) \
TEST_BUILTIN_1_ARR_IMPL(NAME, 1) \
TEST_BUILTIN_1_ARR_IMPL(NAME, 2) \
TEST_BUILTIN_1_ARR_IMPL(NAME, 3) \
TEST_BUILTIN_1_ARR_IMPL(NAME, 4) \
TEST_BUILTIN_1_ARR_IMPL(NAME, 5)
TEST_BUILTIN_1_ARR_IMPL(NAME, 1, RETTY) \
TEST_BUILTIN_1_ARR_IMPL(NAME, 2, RETTY) \
TEST_BUILTIN_1_ARR_IMPL(NAME, 3, RETTY) \
TEST_BUILTIN_1_ARR_IMPL(NAME, 4, RETTY) \
TEST_BUILTIN_1_ARR_IMPL(NAME, 5, RETTY)

#define TEST_BUILTIN_2_SCAL_IMPL(NAME) \
{ \
Expand Down Expand Up @@ -233,14 +235,18 @@ int main() {
c[i] = (float)(3 * i);
}

TEST_BUILTIN_1(fabs);
TEST_BUILTIN_1(fabs, bfloat16);
TEST_BUILTIN_2(fmin);
TEST_BUILTIN_2(fmax);
TEST_BUILTIN_3(fma);

float check_nan = 0;
TEST_BUILTIN_2_NAN(fmin);
TEST_BUILTIN_2_NAN(fmax);

// Insert NAN value in a to test isnan
a[0] = a[N - 1] = NAN;
TEST_BUILTIN_1(isnan, bool);
}
return 0;
}