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/*! \file
    \brief Statically sized array of elements that accommodates all CUTLASS-supported numeric types
           and is safe to use in a union.
*/

#include "../common/cutlass_unit_test.h"

#include "cutlass/complex.h"
#include "cutlass/numeric_conversion.h"
#include "cutlass/util/device_memory.h"

/////////////////////////////////////////////////////////////////////////////////////////////////

TEST(complex, f64_to_f32_conversion) {

  cutlass::complex<double> source = {1.5, -1.25};

  cutlass::complex<float> dest = cutlass::complex<float>(source); // explicit conversion

  EXPECT_TRUE(source.real() == 1.5 && source.imag() == -1.25 && 
    dest.real() == 1.5f && dest.imag() == -1.25f);
}

/////////////////////////////////////////////////////////////////////////////////////////////////

TEST(complex, f32_to_f64_conversion) {

  cutlass::complex<float> source = {-1.5f, 1.25f};

  cutlass::complex<double> dest = source;  // implicit conversion

  EXPECT_TRUE(source.real() == -1.5f && source.imag() == 1.25f && 
    dest.real() == -1.5 && dest.imag() == 1.25);
}

/////////////////////////////////////////////////////////////////////////////////////////////////

TEST(complex, s32_to_f64_conversion) {

  cutlass::complex<int> source = {-2, 1};

  cutlass::complex<double> dest = source;  // implicit conversion

  EXPECT_TRUE(source.real() == -2 && source.imag() == 1 && 
    dest.real() == -2 && dest.imag() == 1);
}


/////////////////////////////////////////////////////////////////////////////////////////////////

TEST(complex, f16_to_f32_conversion) {

  cutlass::complex<cutlass::half_t> source = {1.5_hf, -1.25_hf};

  cutlass::complex<float> dest = cutlass::complex<float>(source); // explicit conversion

  EXPECT_TRUE(source.real() == 1.5_hf && source.imag() == -1.25_hf && 
    dest.real() == 1.5f && dest.imag() == -1.25f);
}

/////////////////////////////////////////////////////////////////////////////////////////////////