Fix builds by avoiding _Float16

Author: sterrettm2

src/avx512-16bit-qsort.hpp

@@ -541,21 +541,23 @@ replace_nan_with_inf<zmm_vector<float16>>(uint16_t *arr, arrsize_t arrsize)
     return nan_count;
 }
 
-X86_SIMD_SORT_INLINE_ONLY void replace_inf_with_nan_fp16(_Float16 *arr,
+X86_SIMD_SORT_INLINE_ONLY void replace_inf_with_nan_fp16(float16 *arr,
                                                          arrsize_t size,
                                                          arrsize_t nan_count,
                                                          bool descending
                                                          = false)
 {
+    constexpr float16 quiet_NaN = {0x7c01};
+
     if (descending) {
         for (arrsize_t ii = 0; nan_count > 0; ++ii) {
-            arr[ii] = xss::fp::quiet_NaN<_Float16>();
+            arr[ii] = quiet_NaN;
             nan_count -= 1;
         }
     }
     else {
         for (arrsize_t ii = size - 1; nan_count > 0; --ii) {
-            arr[ii] = xss::fp::quiet_NaN<_Float16>();
+            arr[ii] = quiet_NaN;
             nan_count -= 1;
         }
     }
@@ -622,7 +624,7 @@ avx512_qsort_fp16(uint16_t *arr,
             avx512_qsort_fp16_helper<Comparator<vtype, false>>(arr, arrsize);
         }
         replace_inf_with_nan_fp16(
-                (_Float16 *)arr, arrsize, nan_count, descending);
+                (float16 *)arr, arrsize, nan_count, descending);
     }
 
 #ifdef __MMX__