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57 lines
1.6 KiB
57 lines
1.6 KiB
#include <gtest/gtest.h>
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#include <cstdint>
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#include <fp16.h>
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TEST(FP32_TO_BITS, positive) {
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for (uint32_t bits = UINT32_C(0x00000000); bits <= UINT32_C(0x7FFFFFFF); bits++) {
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float value;
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memcpy(&value, &bits, sizeof(value));
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ASSERT_EQ(bits, fp32_to_bits(value)) <<
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std::hex << std::uppercase << std::setfill('0') <<
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"BITS = 0x" << std::setw(8) << bits << ", " <<
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"BITCAST(VALUE) = 0x" << std::setw(8) << fp32_to_bits(value);
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}
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}
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TEST(FP32_TO_BITS, negative) {
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for (uint32_t bits = UINT32_C(0xFFFFFFFF); bits >= UINT32_C(0x80000000); bits--) {
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float value;
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memcpy(&value, &bits, sizeof(value));
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ASSERT_EQ(bits, fp32_to_bits(value)) <<
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std::hex << std::uppercase << std::setfill('0') <<
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"BITS = 0x" << std::setw(8) << bits << ", " <<
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"BITCAST(VALUE) = 0x" << std::setw(8) << fp32_to_bits(value);
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}
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}
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TEST(FP32_FROM_BITS, positive) {
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for (uint32_t bits = UINT32_C(0x00000000); bits <= UINT32_C(0x7FFFFFFF); bits++) {
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const float value = fp32_from_bits(bits);
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uint32_t bitcast;
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memcpy(&bitcast, &value, sizeof(bitcast));
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ASSERT_EQ(bits, bitcast) <<
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std::hex << std::uppercase << std::setfill('0') <<
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"BITS = 0x" << std::setw(8) << bits << ", " <<
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"VALUE = 0x" << std::setw(8) << bitcast;
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}
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}
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TEST(FP32_FROM_BITS, negative) {
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for (uint32_t bits = UINT32_C(0xFFFFFFFF); bits >= UINT32_C(0x80000000); bits--) {
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const float value = fp32_from_bits(bits);
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uint32_t bitcast;
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memcpy(&bitcast, &value, sizeof(bitcast));
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ASSERT_EQ(bits, bitcast) <<
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std::hex << std::uppercase << std::setfill('0') <<
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"BITS = 0x" << std::setw(8) << bits << ", " <<
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"VALUE = 0x" << std::setw(8) << bitcast;
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}
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}
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