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[SYCL] Add missing special values to exp(complex) #15980

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Merged
merged 5 commits into from
Nov 7, 2024
Merged

[SYCL] Add missing special values to exp(complex) #15980

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2d1dea0
[SYCL] Follow-up to exp(complex) update
KornevNikita Nov 4, 2024
7daaa41
fix no-unsupported-without-info.cpp
KornevNikita Nov 4, 2024
f898b54
apply suggestion
KornevNikita Nov 4, 2024
5dc1f88
Fix failed corner cases on Linux platform
jinge90 Nov 7, 2024
0e43330
skip failing check on win
KornevNikita Nov 7, 2024
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6 changes: 3 additions & 3 deletions libdevice/fallback-complex-fp64.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -154,9 +154,9 @@ double __complex__ __devicelib_cexp(double __complex__ z) {
return z;
else /* z_imag != 0.0 */
return CMPLX(NAN, NAN);
} else if (__spirv_IsFinite(z_real)) {
if (__spirv_IsNan(z_imag) || __spirv_IsInf(z_imag))
return CMPLX(NAN, NAN);
} else if (__spirv_IsFinite(z_real) &&
(__spirv_IsNan(z_imag) || __spirv_IsInf(z_imag))) {
return CMPLX(NAN, NAN);
}
double __e = __spirv_ocl_exp(z_real);
double ret_real = __e * __spirv_ocl_cos(z_imag);
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10 changes: 8 additions & 2 deletions libdevice/fallback-complex.cpp
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Expand Up @@ -150,8 +150,14 @@ float __complex__ __devicelib_cexpf(float __complex__ z) {
z_imag = NAN;
return CMPLXF(z_real, z_imag);
}
} else if (__spirv_IsNan(z_real) && (z_imag == 0.0f)) {
return z;
} else if (__spirv_IsNan(z_real)) {
if (z_imag == 0.0f)
return z;
else /* z_imag != 0.0f */
return CMPLX(NAN, NAN);
} else if (__spirv_IsFinite(z_real) &&
(__spirv_IsNan(z_imag) || __spirv_IsInf(z_imag))) {
return CMPLX(NAN, NAN);
}
float __e = __spirv_ocl_exp(z_real);
float ret_real = __e * __spirv_ocl_cos(z_imag);
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11 changes: 11 additions & 0 deletions sycl/test-e2e/DeviceLib/exp/exp-std-complex-float-edge-cases.cpp
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@@ -0,0 +1,11 @@
// This test checks edge cases handling for std::exp(std::complex<float>) used
// in SYCL kernels.
//
// UNSUPPORTED: hip || cuda
//
// RUN: %{build} -o %t.out
// RUN: %{run} %t.out

#include "exp-std-complex-edge-cases.hpp"

int main() { return test<float>(); }
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