| #include <gtest/gtest.h> |
| |
| #include <cstdint> |
| |
| #include <fp16.h> |
| |
| |
| extern "C" void fp16_alt_xmm_to_fp32_xmm_peachpy__avx(const uint16_t* fp16, uint32_t* fp32); |
| const size_t vector_elements = 4; |
| |
| |
| TEST(FP16_ALT_XMM_TO_FP32_XMM, positive_normalized_values) { |
| const uint32_t exponentBias = 15; |
| for (int32_t e = -14; e <= 16; e++) { |
| for (uint16_t h = 0; h < 0x0400; h += vector_elements) { |
| uint16_t fp16[vector_elements]; |
| for (size_t i = 0; i < vector_elements; i++) { |
| fp16[i] = h + ((e + exponentBias) << 10) + i; |
| } |
| uint32_t fp32[vector_elements]; |
| fp16_alt_xmm_to_fp32_xmm_peachpy__avx(fp16, fp32); |
| |
| for (size_t i = 0; i < vector_elements; i++) { |
| EXPECT_EQ(fp16_alt_to_fp32_bits(fp16[i]), fp32[i]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[i] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32[i] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_alt_to_fp32_bits(fp16[i]) << |
| ", lane " << i << "/" << vector_elements; |
| } |
| } |
| } |
| } |
| |
| TEST(FP16_ALT_XMM_TO_FP32_XMM, negative_normalized_values) { |
| const uint32_t exponentBias = 15; |
| for (int32_t e = -14; e <= 16; e++) { |
| for (uint16_t h = 0; h < 0x0400; h += vector_elements) { |
| uint16_t fp16[vector_elements]; |
| for (size_t i = 0; i < vector_elements; i++) { |
| fp16[i] = 0x8000 + h + ((e + exponentBias) << 10) + i; |
| } |
| uint32_t fp32[vector_elements]; |
| fp16_alt_xmm_to_fp32_xmm_peachpy__avx(fp16, fp32); |
| |
| for (size_t i = 0; i < vector_elements; i++) { |
| EXPECT_EQ(fp16_alt_to_fp32_bits(fp16[i]), fp32[i]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[i] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32[i] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_alt_to_fp32_bits(fp16[i]) << |
| ", lane " << i << "/" << vector_elements; |
| } |
| } |
| } |
| } |
| |
| TEST(FP16_ALT_XMM_TO_FP32_XMM, positive_denormalized_values) { |
| for (uint16_t h = 0; h < 0x0400; h += vector_elements) { |
| uint16_t fp16[vector_elements]; |
| for (size_t i = 0; i < vector_elements; i++) { |
| fp16[i] = h + i; |
| } |
| uint32_t fp32[vector_elements]; |
| fp16_alt_xmm_to_fp32_xmm_peachpy__avx(fp16, fp32); |
| |
| for (size_t i = 0; i < vector_elements; i++) { |
| EXPECT_EQ(fp16_alt_to_fp32_bits(fp16[i]), fp32[i]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[i] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32[i] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_alt_to_fp32_bits(fp16[i]) << |
| ", lane " << i << "/" << vector_elements; |
| } |
| } |
| } |
| |
| TEST(FP16_ALT_XMM_TO_FP32_XMM, negative_denormalized_values) { |
| for (uint16_t h = 0; h < 0x0400; h += vector_elements) { |
| uint16_t fp16[vector_elements]; |
| for (size_t i = 0; i < vector_elements; i++) { |
| fp16[i] = 0x8000 + h + i; |
| } |
| uint32_t fp32[vector_elements]; |
| fp16_alt_xmm_to_fp32_xmm_peachpy__avx(fp16, fp32); |
| |
| for (size_t i = 0; i < vector_elements; i++) { |
| EXPECT_EQ(fp16_alt_to_fp32_bits(fp16[i]), fp32[i]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[i] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32[i] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_alt_to_fp32_bits(fp16[i]) << |
| ", lane " << i << "/" << vector_elements; |
| } |
| } |
| } |