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146 lines
6.2 KiB
146 lines
6.2 KiB
#include <gtest/gtest.h>
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#include <cstdint>
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#include <fp16.h>
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#include <fp16/psimd.h>
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TEST(FP16_ALT_TO_FP32_PSIMD, positive_normalized_values) {
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const uint32_t exponentBias = 15;
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for (int32_t e = -14; e <= 16; e++) {
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for (uint16_t h = 0; h < 0x0400; h += 4) {
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const psimd_u16 fp16 = {
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(uint16_t) (h + ((e + exponentBias) << 10) + 0),
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(uint16_t) (h + ((e + exponentBias) << 10) + 1),
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(uint16_t) (h + ((e + exponentBias) << 10) + 2),
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(uint16_t) (h + ((e + exponentBias) << 10) + 3),
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};
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const psimd_u32 fp32 = (psimd_u32) fp16_alt_to_fp32_psimd(fp16);
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EXPECT_EQ(fp16_alt_to_fp32_bits(fp16[0]), fp32[0]) <<
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std::hex << std::uppercase << std::setfill('0') <<
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"F16 = 0x" << std::setw(4) << fp16[0] << ", " <<
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"F32(F16) = 0x" << std::setw(8) << fp32[0] << ", " <<
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"F32 = 0x" << std::setw(8) << fp16_alt_to_fp32_bits(fp16[0]);
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EXPECT_EQ(fp16_alt_to_fp32_bits(fp16[1]), fp32[1]) <<
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std::hex << std::uppercase << std::setfill('0') <<
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"F16 = 0x" << std::setw(4) << fp16[1] << ", " <<
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"F32(F16) = 0x" << std::setw(8) << fp32[1] << ", " <<
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"F32 = 0x" << std::setw(8) << fp16_alt_to_fp32_bits(fp16[1]);
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EXPECT_EQ(fp16_alt_to_fp32_bits(fp16[2]), fp32[2]) <<
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std::hex << std::uppercase << std::setfill('0') <<
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"F16 = 0x" << std::setw(4) << fp16[2] << ", " <<
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"F32(F16) = 0x" << std::setw(8) << fp32[2] << ", " <<
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"F32 = 0x" << std::setw(8) << fp16_alt_to_fp32_bits(fp16[2]);
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EXPECT_EQ(fp16_alt_to_fp32_bits(fp16[3]), fp32[3]) <<
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std::hex << std::uppercase << std::setfill('0') <<
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"F16 = 0x" << std::setw(4) << fp16[3] << ", " <<
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"F32(F16) = 0x" << std::setw(8) << fp32[3] << ", " <<
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"F32 = 0x" << std::setw(8) << fp16_alt_to_fp32_bits(fp16[3]);
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}
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}
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}
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TEST(FP16_ALT_TO_FP32_PSIMD, negative_normalized_values) {
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const uint32_t exponentBias = 15;
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for (int32_t e = -14; e <= 16; e++) {
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for (uint16_t h = 0; h < 0x0400; h += 4) {
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const psimd_u16 fp16 = {
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(uint16_t) (h + ((e + exponentBias) << 10) + 0x8000),
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(uint16_t) (h + ((e + exponentBias) << 10) + 0x8001),
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(uint16_t) (h + ((e + exponentBias) << 10) + 0x8002),
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(uint16_t) (h + ((e + exponentBias) << 10) + 0x8003),
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};
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const psimd_u32 fp32 = (psimd_u32) fp16_alt_to_fp32_psimd(fp16);
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EXPECT_EQ(fp16_alt_to_fp32_bits(fp16[0]), fp32[0]) <<
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std::hex << std::uppercase << std::setfill('0') <<
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"F16 = 0x" << std::setw(4) << fp16[0] << ", " <<
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"F32(F16) = 0x" << std::setw(8) << fp32[0] << ", " <<
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"F32 = 0x" << std::setw(8) << fp16_alt_to_fp32_bits(fp16[0]);
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EXPECT_EQ(fp16_alt_to_fp32_bits(fp16[1]), fp32[1]) <<
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std::hex << std::uppercase << std::setfill('0') <<
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"F16 = 0x" << std::setw(4) << fp16[1] << ", " <<
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"F32(F16) = 0x" << std::setw(8) << fp32[1] << ", " <<
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"F32 = 0x" << std::setw(8) << fp16_alt_to_fp32_bits(fp16[1]);
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EXPECT_EQ(fp16_alt_to_fp32_bits(fp16[2]), fp32[2]) <<
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std::hex << std::uppercase << std::setfill('0') <<
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"F16 = 0x" << std::setw(4) << fp16[2] << ", " <<
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"F32(F16) = 0x" << std::setw(8) << fp32[2] << ", " <<
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"F32 = 0x" << std::setw(8) << fp16_alt_to_fp32_bits(fp16[2]);
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EXPECT_EQ(fp16_alt_to_fp32_bits(fp16[3]), fp32[3]) <<
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std::hex << std::uppercase << std::setfill('0') <<
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"F16 = 0x" << std::setw(4) << fp16[3] << ", " <<
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"F32(F16) = 0x" << std::setw(8) << fp32[3] << ", " <<
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"F32 = 0x" << std::setw(8) << fp16_alt_to_fp32_bits(fp16[3]);
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}
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}
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}
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TEST(FP16_ALT_TO_FP32_PSIMD, positive_denormalized_values) {
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for (uint16_t h = 0; h < 0x0400; h += 4) {
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const psimd_u16 fp16 = {
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(uint16_t) (h + 0),
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(uint16_t) (h + 1),
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(uint16_t) (h + 2),
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(uint16_t) (h + 3),
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};
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const psimd_u32 fp32 = (psimd_u32) fp16_alt_to_fp32_psimd(fp16);
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EXPECT_EQ(fp16_alt_to_fp32_bits(fp16[0]), fp32[0]) <<
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std::hex << std::uppercase << std::setfill('0') <<
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"F16 = 0x" << std::setw(4) << fp16[0] << ", " <<
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"F32(F16) = 0x" << std::setw(8) << fp32[0] << ", " <<
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"F32 = 0x" << std::setw(8) << fp16_alt_to_fp32_bits(fp16[0]);
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EXPECT_EQ(fp16_alt_to_fp32_bits(fp16[1]), fp32[1]) <<
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std::hex << std::uppercase << std::setfill('0') <<
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"F16 = 0x" << std::setw(4) << fp16[1] << ", " <<
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"F32(F16) = 0x" << std::setw(8) << fp32[1] << ", " <<
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"F32 = 0x" << std::setw(8) << fp16_alt_to_fp32_bits(fp16[1]);
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EXPECT_EQ(fp16_alt_to_fp32_bits(fp16[2]), fp32[2]) <<
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std::hex << std::uppercase << std::setfill('0') <<
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"F16 = 0x" << std::setw(4) << fp16[2] << ", " <<
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"F32(F16) = 0x" << std::setw(8) << fp32[2] << ", " <<
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"F32 = 0x" << std::setw(8) << fp16_alt_to_fp32_bits(fp16[2]);
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EXPECT_EQ(fp16_alt_to_fp32_bits(fp16[3]), fp32[3]) <<
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std::hex << std::uppercase << std::setfill('0') <<
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"F16 = 0x" << std::setw(4) << fp16[3] << ", " <<
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"F32(F16) = 0x" << std::setw(8) << fp32[3] << ", " <<
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"F32 = 0x" << std::setw(8) << fp16_alt_to_fp32_bits(fp16[3]);
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}
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}
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TEST(FP16_ALT_TO_FP32_PSIMD, negative_denormalized_values) {
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for (uint16_t h = 0; h < 0x0400; h += 4) {
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const psimd_u16 fp16 = {
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(uint16_t) (h + 0x8000),
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(uint16_t) (h + 0x8001),
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(uint16_t) (h + 0x8002),
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(uint16_t) (h + 0x8003),
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};
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const psimd_u32 fp32 = (psimd_u32) fp16_alt_to_fp32_psimd(fp16);
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EXPECT_EQ(fp16_alt_to_fp32_bits(fp16[0]), fp32[0]) <<
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std::hex << std::uppercase << std::setfill('0') <<
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"F16 = 0x" << std::setw(4) << fp16[0] << ", " <<
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"F32(F16) = 0x" << std::setw(8) << fp32[0] << ", " <<
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"F32 = 0x" << std::setw(8) << fp16_alt_to_fp32_bits(fp16[0]);
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EXPECT_EQ(fp16_alt_to_fp32_bits(fp16[1]), fp32[1]) <<
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std::hex << std::uppercase << std::setfill('0') <<
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"F16 = 0x" << std::setw(4) << fp16[1] << ", " <<
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"F32(F16) = 0x" << std::setw(8) << fp32[1] << ", " <<
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"F32 = 0x" << std::setw(8) << fp16_alt_to_fp32_bits(fp16[1]);
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EXPECT_EQ(fp16_alt_to_fp32_bits(fp16[2]), fp32[2]) <<
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std::hex << std::uppercase << std::setfill('0') <<
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"F16 = 0x" << std::setw(4) << fp16[2] << ", " <<
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"F32(F16) = 0x" << std::setw(8) << fp32[2] << ", " <<
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"F32 = 0x" << std::setw(8) << fp16_alt_to_fp32_bits(fp16[2]);
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EXPECT_EQ(fp16_alt_to_fp32_bits(fp16[3]), fp32[3]) <<
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std::hex << std::uppercase << std::setfill('0') <<
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"F16 = 0x" << std::setw(4) << fp16[3] << ", " <<
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"F32(F16) = 0x" << std::setw(8) << fp32[3] << ", " <<
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"F32 = 0x" << std::setw(8) << fp16_alt_to_fp32_bits(fp16[3]);
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}
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}
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