Implemented isnan through emulation

xtensor-stack · Oct 9, 2023 · 2cdc462 · 2cdc462
1 parent cc85cca
commit 2cdc462
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/include/xsimd/arch/xsimd_wasm.hpp b/include/xsimd/arch/xsimd_wasm.hpp
@@ -385,6 +385,18 @@ namespace xsimd
             return wasm_f64x2_gt(self, other);
         }
 
+        // isnan
+        template <class A>
+        inline batch_bool<float, A> isnan(batch<float, A> const& self, requires_arch<wasm>) noexcept
+        {
+            return wasm_v128_or(wasm_f32x4_ne(self, self), wasm_f32x4_ne(self, self));
+        }
+        template <class A>
+        inline batch_bool<double, A> isnan(batch<double, A> const& self, requires_arch<wasm>) noexcept
+        {
+            return wasm_v128_or(wasm_f64x2_ne(self, self), wasm_f64x2_ne(self, self));
+        }
+
         // le
         template <class A>
         inline batch_bool<float, A> le(batch<float, A> const& self, batch<float, A> const& other, requires_arch<wasm>) noexcept