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Fix 'fpclassify: ambiguous call' compile fail in MSVC 2022 (#2426)

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Similar to #2219, we see "'fpclassify': ambiguous call" error in
test_conformance\basic\test_fpmath.cpp
due to missing constexpr at
https://github.com/KhronosGroup/OpenCL-CTS/blob/9265cbb2c274/test_conformance/basic/test_fpmath.cpp#L104
This PR fixes the issue by moving utility function isnan_fp in
testHarness.h and use it.
Note this PR doesn't modify use of isnan in many tests where only
float/double values are checked.
This commit is contained in:
Wenju He
2025-08-06 00:08:04 +08:00
committed by GitHub
parent 9ca0126c54
commit e15c6eb760
12 changed files with 94 additions and 107 deletions
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37
test_conformance/basic/test_explicit_s2v.cpp
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@@ -14,7 +14,6 @@
// limitations under the License.
//
#include <cmath>
using std::isnan;
#include "harness/compat.h"
#include <stdio.h>
@@ -26,6 +25,7 @@ using std::isnan;
#include <CL/cl_half.h>
#include "harness/conversions.h"
#include "harness/mathHelpers.h"
#include "harness/typeWrappers.h"
extern cl_half_rounding_mode halfRoundingMode;
@@ -102,16 +102,6 @@ const char * kernel_explicit_s2v_set[NUM_VEC_TYPES][NUM_VEC_TYPES][5] = {
// clang-format on
bool IsHalfNaN(cl_half v)
{
// Extract FP16 exponent and mantissa
uint16_t h_exp = (((cl_half)v) >> (CL_HALF_MANT_DIG - 1)) & 0x1F;
uint16_t h_mant = ((cl_half)v) & 0x3FF;
// NaN test
return (h_exp == 0x1F && h_mant != 0);
}
static int test_explicit_s2v_function(cl_context context,
cl_command_queue queue, cl_kernel kernel,
ExplicitType srcType, unsigned int count,
@@ -183,20 +173,21 @@ static int test_explicit_s2v_function(cl_context context,
{
bool isSrcNaN =
(((srcType == kHalf)
&& IsHalfNaN(*reinterpret_cast<cl_half *>(inPtr)))
&& isnan_fp(*reinterpret_cast<cl_half *>(inPtr)))
|| ((srcType == kFloat)
&& isnan(*reinterpret_cast<cl_float *>(inPtr)))
&& isnan_fp(*reinterpret_cast<cl_float *>(inPtr)))
|| ((srcType == kDouble)
&& isnan(*reinterpret_cast<cl_double *>(inPtr))));
bool isDestNaN = (((destType == kHalf)
&& IsHalfNaN(*reinterpret_cast<cl_half *>(
outPtr + destTypeSize * s)))
|| ((destType == kFloat)
&& isnan(*reinterpret_cast<cl_float *>(
outPtr + destTypeSize * s)))
|| ((destType == kDouble)
&& isnan(*reinterpret_cast<cl_double *>(
outPtr + destTypeSize * s))));
&& isnan_fp(*reinterpret_cast<cl_double *>(inPtr))));
bool isDestNaN =
(((destType == kHalf)
&& isnan_fp(*reinterpret_cast<cl_half *>(
outPtr + destTypeSize * s)))
|| ((destType == kFloat)
&& isnan_fp(*reinterpret_cast<cl_float *>(
outPtr + destTypeSize * s)))
|| ((destType == kDouble)
&& isnan_fp(*reinterpret_cast<cl_double *>(
outPtr + destTypeSize * s))));
if (isSrcNaN && isDestNaN)
{