Merge pull request #448 from serge-sans-paille/feature/support-building-complex-from-real-pointer

Support creating complex batch from real pointer

Author: JohanMabille

include/xsimd/types/xsimd_complex_base.hpp

@@ -144,7 +144,9 @@ namespace xsimd
         explicit simd_complex_batch(const value_type& v);
         explicit simd_complex_batch(const real_value_type& v);
         explicit simd_complex_batch(const real_batch& re);
+        explicit simd_complex_batch(const real_value_type* v) : simd_complex_batch(real_batch(v)) {}
         simd_complex_batch(const real_batch& re, const real_batch& im);
+        simd_complex_batch(const real_value_type* re, const real_value_type* im) : simd_complex_batch(real_batch(re), real_batch(im)) {}
 
         real_batch& real();
         real_batch& imag();

test/test_batch_complex.cpp

@@ -113,11 +113,17 @@ class batch_complex_test : public testing::Test
             tmp[i] = value_type(real[i]);
         }
 
-        batch_type b2(real_batch_type(real.data()));
+        batch_type b2(real.data());
         EXPECT_EQ(b2, tmp) << print_function_name("batch(real_batch)");
 
-        batch_type b3(real_batch_type(real.data()), real_batch_type(imag.data()));
+        batch_type b3(real.data(), imag.data());
         EXPECT_EQ(b3, lhs) << print_function_name("batch(real_batch, real_batch)");
+
+        batch_type b4(real_batch_type(real.data()));
+        EXPECT_EQ(b4, tmp) << print_function_name("batch(real_ptr)");
+
+        batch_type b5(real_batch_type(real.data()), real_batch_type(imag.data()));
+        EXPECT_EQ(b5, lhs) << print_function_name("batch(real_ptr, real_ptr)");
     }
 
     void test_access_operator() const