| #include <gtest/gtest.h> |
| |
| #include <cstdint> |
| |
| #include <fp16.h> |
| #include <fp16/psimd.h> |
| |
| |
| TEST(FP16_IEEE_TO_FP32x2_PSIMD, infinity) { |
| const uint16_t positive_infinity_f16 = UINT16_C(0x7C00); |
| const uint16_t negative_infinity_f16 = UINT16_C(0xFC00); |
| |
| const uint32_t positive_infinity_f32 = UINT32_C(0x7F800000); |
| const uint32_t negative_infinity_f32 = UINT32_C(0xFF800000); |
| |
| const psimd_u16 fp16 = { |
| positive_infinity_f16, negative_infinity_f16, |
| negative_infinity_f16, positive_infinity_f16, |
| positive_infinity_f16, positive_infinity_f16, |
| negative_infinity_f16, negative_infinity_f16 |
| }; |
| const psimd_u32x2 fp32 = |
| psimd_cast_f32x2_u32x2(fp16_ieee_to_fp32x2_psimd(fp16)); |
| |
| EXPECT_EQ(positive_infinity_f32, fp32.lo[0]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[0] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[0] << ", " << |
| "F32 = 0x" << std::setw(8) << positive_infinity_f32; |
| EXPECT_EQ(negative_infinity_f32, fp32.lo[1]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[1] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[1] << ", " << |
| "F32 = 0x" << std::setw(8) << negative_infinity_f32; |
| EXPECT_EQ(negative_infinity_f32, fp32.lo[2]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[2] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[2] << ", " << |
| "F32 = 0x" << std::setw(8) << negative_infinity_f32; |
| EXPECT_EQ(positive_infinity_f32, fp32.lo[3]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[3] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[3] << ", " << |
| "F32 = 0x" << std::setw(8) << positive_infinity_f32; |
| EXPECT_EQ(positive_infinity_f32, fp32.hi[0]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[4] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[0] << ", " << |
| "F32 = 0x" << std::setw(8) << positive_infinity_f32; |
| EXPECT_EQ(positive_infinity_f32, fp32.hi[1]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[5] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[1] << ", " << |
| "F32 = 0x" << std::setw(8) << positive_infinity_f32; |
| EXPECT_EQ(negative_infinity_f32, fp32.hi[2]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[6] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[2] << ", " << |
| "F32 = 0x" << std::setw(8) << negative_infinity_f32; |
| EXPECT_EQ(negative_infinity_f32, fp32.hi[3]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[7] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[3] << ", " << |
| "F32 = 0x" << std::setw(8) << negative_infinity_f32; |
| } |
| |
| TEST(FP16_IEEE_TO_FP32x2_PSIMD, positive_nan) { |
| for (uint16_t h = 0; h < 0x0400; h += 8) { |
| const psimd_u16 fp16 = { |
| (uint16_t) (h + 0x7C00 + (h == 0)) /* Avoid infinity */, |
| (uint16_t) (h + 0x7C01), |
| (uint16_t) (h + 0x7C02), |
| (uint16_t) (h + 0x7C03), |
| (uint16_t) (h + 0x7C04), |
| (uint16_t) (h + 0x7C05), |
| (uint16_t) (h + 0x7C06), |
| (uint16_t) (h + 0x7C07), |
| }; |
| const psimd_u32x2 fp32 = |
| psimd_cast_f32x2_u32x2(fp16_ieee_to_fp32x2_psimd(fp16)); |
| |
| /* Check sign */ |
| EXPECT_EQ(fp32.lo[0] & UINT32_C(0x80000000), 0) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[0] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[0]; |
| EXPECT_EQ(fp32.lo[1] & UINT32_C(0x80000000), 0) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[1] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[1]; |
| EXPECT_EQ(fp32.lo[2] & UINT32_C(0x80000000), 0) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[2] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[2]; |
| EXPECT_EQ(fp32.lo[3] & UINT32_C(0x80000000), 0) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[3] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[3]; |
| EXPECT_EQ(fp32.hi[0] & UINT32_C(0x80000000), 0) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[4] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[0]; |
| EXPECT_EQ(fp32.hi[1] & UINT32_C(0x80000000), 0) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[5] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[1]; |
| EXPECT_EQ(fp32.hi[2] & UINT32_C(0x80000000), 0) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[6] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[2]; |
| EXPECT_EQ(fp32.hi[3] & UINT32_C(0x80000000), 0) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[7] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[3]; |
| |
| /* Check exponent */ |
| EXPECT_EQ(fp32.lo[0] & UINT32_C(0x7F800000), UINT32_C(0x7F800000)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[0] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[0]; |
| EXPECT_EQ(fp32.lo[1] & UINT32_C(0x7F800000), UINT32_C(0x7F800000)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[1] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[1]; |
| EXPECT_EQ(fp32.lo[2] & UINT32_C(0x7F800000), UINT32_C(0x7F800000)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[2] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[2]; |
| EXPECT_EQ(fp32.lo[3] & UINT32_C(0x7F800000), UINT32_C(0x7F800000)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[3] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[3]; |
| EXPECT_EQ(fp32.hi[0] & UINT32_C(0x7F800000), UINT32_C(0x7F800000)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[4] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[0]; |
| EXPECT_EQ(fp32.hi[1] & UINT32_C(0x7F800000), UINT32_C(0x7F800000)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[5] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[1]; |
| EXPECT_EQ(fp32.hi[2] & UINT32_C(0x7F800000), UINT32_C(0x7F800000)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[6] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[2]; |
| EXPECT_EQ(fp32.hi[3] & UINT32_C(0x7F800000), UINT32_C(0x7F800000)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[7] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[3]; |
| |
| /* Check mantissa */ |
| EXPECT_NE(fp32.lo[0] & UINT32_C(0x007FFFFF), UINT32_C(0)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[0] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[0]; |
| EXPECT_NE(fp32.lo[1] & UINT32_C(0x007FFFFF), UINT32_C(0)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[1] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[1]; |
| EXPECT_NE(fp32.lo[2] & UINT32_C(0x007FFFFF), UINT32_C(0)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[2] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[2]; |
| EXPECT_NE(fp32.lo[3] & UINT32_C(0x007FFFFF), UINT32_C(0)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[3] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[3]; |
| EXPECT_NE(fp32.hi[0] & UINT32_C(0x007FFFFF), UINT32_C(0)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[4] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[0]; |
| EXPECT_NE(fp32.hi[1] & UINT32_C(0x007FFFFF), UINT32_C(0)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[5] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[1]; |
| EXPECT_NE(fp32.hi[2] & UINT32_C(0x007FFFFF), UINT32_C(0)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[6] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[2]; |
| EXPECT_NE(fp32.hi[3] & UINT32_C(0x007FFFFF), UINT32_C(0)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[7] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[3]; |
| } |
| } |
| |
| TEST(FP16_IEEE_TO_FP32x2_PSIMD, negative_nan) { |
| for (uint16_t h = 0; h < 0x0400; h += 8) { |
| const psimd_u16 fp16 = { |
| (uint16_t) (h + 0xFC00 + (h == 0)) /* Avoid infinity */, |
| (uint16_t) (h + 0xFC01), |
| (uint16_t) (h + 0xFC02), |
| (uint16_t) (h + 0xFC03), |
| (uint16_t) (h + 0xFC04), |
| (uint16_t) (h + 0xFC05), |
| (uint16_t) (h + 0xFC06), |
| (uint16_t) (h + 0xFC07), |
| }; |
| const psimd_u32x2 fp32 = |
| psimd_cast_f32x2_u32x2(fp16_ieee_to_fp32x2_psimd(fp16)); |
| |
| /* Check sign */ |
| EXPECT_EQ(fp32.lo[0] & UINT32_C(0x80000000), UINT32_C(0x80000000)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[0] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[0]; |
| EXPECT_EQ(fp32.lo[1] & UINT32_C(0x80000000), UINT32_C(0x80000000)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[1] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[1]; |
| EXPECT_EQ(fp32.lo[2] & UINT32_C(0x80000000), UINT32_C(0x80000000)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[2] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[2]; |
| EXPECT_EQ(fp32.lo[3] & UINT32_C(0x80000000), UINT32_C(0x80000000)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[3] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[3]; |
| EXPECT_EQ(fp32.hi[0] & UINT32_C(0x80000000), UINT32_C(0x80000000)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[4] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[0]; |
| EXPECT_EQ(fp32.hi[1] & UINT32_C(0x80000000), UINT32_C(0x80000000)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[5] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[1]; |
| EXPECT_EQ(fp32.hi[2] & UINT32_C(0x80000000), UINT32_C(0x80000000)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[6] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[2]; |
| EXPECT_EQ(fp32.hi[3] & UINT32_C(0x80000000), UINT32_C(0x80000000)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[7] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[3]; |
| |
| /* Check exponent */ |
| EXPECT_EQ(fp32.lo[0] & UINT32_C(0x7F800000), UINT32_C(0x7F800000)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[0] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[0]; |
| EXPECT_EQ(fp32.lo[1] & UINT32_C(0x7F800000), UINT32_C(0x7F800000)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[1] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[1]; |
| EXPECT_EQ(fp32.lo[2] & UINT32_C(0x7F800000), UINT32_C(0x7F800000)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[2] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[2]; |
| EXPECT_EQ(fp32.lo[3] & UINT32_C(0x7F800000), UINT32_C(0x7F800000)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[3] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[3]; |
| EXPECT_EQ(fp32.hi[0] & UINT32_C(0x7F800000), UINT32_C(0x7F800000)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[4] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[0]; |
| EXPECT_EQ(fp32.hi[1] & UINT32_C(0x7F800000), UINT32_C(0x7F800000)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[5] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[1]; |
| EXPECT_EQ(fp32.hi[2] & UINT32_C(0x7F800000), UINT32_C(0x7F800000)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[6] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[2]; |
| EXPECT_EQ(fp32.hi[3] & UINT32_C(0x7F800000), UINT32_C(0x7F800000)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[7] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[3]; |
| |
| /* Check mantissa */ |
| EXPECT_NE(fp32.lo[0] & UINT32_C(0x007FFFFF), UINT32_C(0)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[0] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[0]; |
| EXPECT_NE(fp32.lo[1] & UINT32_C(0x007FFFFF), UINT32_C(0)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[1] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[1]; |
| EXPECT_NE(fp32.lo[2] & UINT32_C(0x007FFFFF), UINT32_C(0)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[2] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[2]; |
| EXPECT_NE(fp32.lo[3] & UINT32_C(0x007FFFFF), UINT32_C(0)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[3] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[3]; |
| EXPECT_NE(fp32.hi[0] & UINT32_C(0x007FFFFF), UINT32_C(0)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[4] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[0]; |
| EXPECT_NE(fp32.hi[1] & UINT32_C(0x007FFFFF), UINT32_C(0)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[5] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[1]; |
| EXPECT_NE(fp32.hi[2] & UINT32_C(0x007FFFFF), UINT32_C(0)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[6] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[2]; |
| EXPECT_NE(fp32.hi[3] & UINT32_C(0x007FFFFF), UINT32_C(0)) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[7] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[3]; |
| } |
| } |
| |
| TEST(FP16_IEEE_TO_FP32x2_PSIMD, positive_normalized_values) { |
| const uint32_t exponentBias = 15; |
| for (int32_t e = -14; e <= 15; e++) { |
| for (uint16_t h = 0; h < 0x0400; h += 8) { |
| const psimd_u16 fp16 = { |
| (uint16_t) (h + ((e + exponentBias) << 10) + 0), |
| (uint16_t) (h + ((e + exponentBias) << 10) + 1), |
| (uint16_t) (h + ((e + exponentBias) << 10) + 2), |
| (uint16_t) (h + ((e + exponentBias) << 10) + 3), |
| (uint16_t) (h + ((e + exponentBias) << 10) + 4), |
| (uint16_t) (h + ((e + exponentBias) << 10) + 5), |
| (uint16_t) (h + ((e + exponentBias) << 10) + 6), |
| (uint16_t) (h + ((e + exponentBias) << 10) + 7) |
| }; |
| const psimd_u32x2 fp32 = |
| psimd_cast_f32x2_u32x2(fp16_ieee_to_fp32x2_psimd(fp16)); |
| |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[0]), fp32.lo[0]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[0] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[0] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[0]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[1]), fp32.lo[1]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[1] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[1] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[1]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[2]), fp32.lo[2]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[2] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[2] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[2]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[3]), fp32.lo[3]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[3] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[3] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[3]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[4]), fp32.hi[0]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[4] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[0] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[4]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[5]), fp32.hi[1]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[5] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[1] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[5]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[6]), fp32.hi[2]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[6] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[2] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[6]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[7]), fp32.hi[3]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[7] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[3] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[7]); |
| } |
| } |
| } |
| |
| TEST(FP16_IEEE_TO_FP32x2_PSIMD, negative_normalized_values) { |
| const uint32_t exponentBias = 15; |
| for (int32_t e = -14; e <= 15; e++) { |
| for (uint16_t h = 0; h < 0x0400; h += 8) { |
| const psimd_u16 fp16 = { |
| (uint16_t) (h + ((e + exponentBias) << 10) + 0x8000), |
| (uint16_t) (h + ((e + exponentBias) << 10) + 0x8001), |
| (uint16_t) (h + ((e + exponentBias) << 10) + 0x8002), |
| (uint16_t) (h + ((e + exponentBias) << 10) + 0x8003), |
| (uint16_t) (h + ((e + exponentBias) << 10) + 0x8004), |
| (uint16_t) (h + ((e + exponentBias) << 10) + 0x8005), |
| (uint16_t) (h + ((e + exponentBias) << 10) + 0x8006), |
| (uint16_t) (h + ((e + exponentBias) << 10) + 0x8007) |
| }; |
| const psimd_u32x2 fp32 = |
| psimd_cast_f32x2_u32x2(fp16_ieee_to_fp32x2_psimd(fp16)); |
| |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[0]), fp32.lo[0]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[0] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[0] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[0]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[1]), fp32.lo[1]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[1] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[1] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[1]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[2]), fp32.lo[2]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[2] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[2] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[2]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[3]), fp32.lo[3]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[3] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[3] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[3]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[4]), fp32.hi[0]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[4] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[0] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[4]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[5]), fp32.hi[1]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[5] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[1] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[5]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[6]), fp32.hi[2]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[6] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[2] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[6]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[7]), fp32.hi[3]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[7] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[3] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[7]); |
| } |
| } |
| } |
| |
| TEST(FP16_IEEE_TO_FP32x2_PSIMD, positive_denormalized_values) { |
| for (uint16_t h = 0; h < 0x0400; h += 8) { |
| const psimd_u16 fp16 = { |
| (uint16_t) (h + 0), |
| (uint16_t) (h + 1), |
| (uint16_t) (h + 2), |
| (uint16_t) (h + 3), |
| (uint16_t) (h + 4), |
| (uint16_t) (h + 5), |
| (uint16_t) (h + 6), |
| (uint16_t) (h + 7) |
| }; |
| const psimd_u32x2 fp32 = |
| psimd_cast_f32x2_u32x2(fp16_ieee_to_fp32x2_psimd(fp16)); |
| |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[0]), fp32.lo[0]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[0] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[0] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[0]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[1]), fp32.lo[1]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[1] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[1] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[1]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[2]), fp32.lo[2]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[2] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[2] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[2]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[3]), fp32.lo[3]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[3] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[3] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[3]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[4]), fp32.hi[0]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[4] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[0] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[4]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[5]), fp32.hi[1]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[5] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[1] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[5]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[6]), fp32.hi[2]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[6] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[2] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[6]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[7]), fp32.hi[3]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[7] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[3] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[7]); |
| } |
| } |
| |
| TEST(FP16_IEEE_TO_FP32x2_PSIMD, negative_denormalized_values) { |
| for (uint16_t h = 0; h < 0x0400; h += 8) { |
| const psimd_u16 fp16 = { |
| (uint16_t) (h + 0x8000), |
| (uint16_t) (h + 0x8001), |
| (uint16_t) (h + 0x8002), |
| (uint16_t) (h + 0x8003), |
| (uint16_t) (h + 0x8004), |
| (uint16_t) (h + 0x8005), |
| (uint16_t) (h + 0x8006), |
| (uint16_t) (h + 0x8007) |
| }; |
| const psimd_u32x2 fp32 = |
| psimd_cast_f32x2_u32x2(fp16_ieee_to_fp32x2_psimd(fp16)); |
| |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[0]), fp32.lo[0]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[0] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[0] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[0]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[1]), fp32.lo[1]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[1] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[1] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[1]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[2]), fp32.lo[2]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[2] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[2] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[2]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[3]), fp32.lo[3]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[3] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.lo[3] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[3]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[4]), fp32.hi[0]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[4] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[0] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[4]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[5]), fp32.hi[1]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[5] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[1] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[5]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[6]), fp32.hi[2]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[6] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[2] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[6]); |
| EXPECT_EQ(fp16_ieee_to_fp32_bits(fp16[7]), fp32.hi[3]) << |
| std::hex << std::uppercase << std::setfill('0') << |
| "F16 = 0x" << std::setw(4) << fp16[7] << ", " << |
| "F32(F16) = 0x" << std::setw(8) << fp32.hi[3] << ", " << |
| "F32 = 0x" << std::setw(8) << fp16_ieee_to_fp32_bits(fp16[7]); |
| } |
| } |
