Fixed fmin, fmax and fabs for integer batches (sse and avx)

Author: JohanMabille

include/xsimd/math/xsimd_basic_math.hpp

@@ -237,7 +237,7 @@ namespace xsimd
             using batch_type = batch<T, N>;
             using batch_bool_type = typename simd_batch_traits<batch_type>::batch_bool_type;
 
-            static inline batch_bool_type run(const batch_type& x)
+            static inline batch_bool_type run(const batch_type&)
             {
                 return batch_bool_type(false);
             }

include/xsimd/types/xsimd_avx_int_base.hpp

@@ -541,6 +541,21 @@ namespace xsimd
 #endif
             }
 
+            static batch_type fmin(const batch_type& lhs, const batch_type& rhs)
+            {
+                return min(lhs, rhs);
+            }
+
+            static batch_type fmax(const batch_type& lhs, const batch_type& rhs)
+            {
+                return max(lhs, rhs);
+            }
+
+            static batch_type fabs(const batch_type& rhs)
+            {
+                return abs(rhs);
+            }
+
             static batch_type fma(const batch_type& x, const batch_type& y, const batch_type& z)
             {
                 return x * y + z;

include/xsimd/types/xsimd_sse_int_base.hpp

@@ -492,6 +492,21 @@ namespace xsimd
                 return _mm_andnot_si128(lhs, rhs);
             }
 
+            static batch_type fmin(const batch_type& lhs, const batch_type& rhs)
+            {
+                return min(lhs, rhs);
+            }
+
+            static batch_type fmax(const batch_type& lhs, const batch_type& rhs)
+            {
+                return max(lhs, rhs);
+            }
+
+            static batch_type fabs(const batch_type& rhs)
+            {
+                return abs(rhs);
+            }
+
             static batch_type fma(const batch_type& x, const batch_type& y, const batch_type& z)
             {
                 return x * y + z;