| 127 | } |
| 128 | |
| 129 | bool test_float16() |
| 130 | { |
| 131 | float16_t f16i; |
| 132 | float16_t f16o; |
| 133 | float f32; |
| 134 | uint32_t errorCount = 0; |
| 135 | for (int i = 0; i < 65536; ++i) |
| 136 | { |
| 137 | f16i.bits = i; |
| 138 | f32 = Float16ToFloat32(f16i); |
| 139 | f16o = Float32ToFloat16(f32); |
| 140 | |
| 141 | bool pass; |
| 142 | if (isinf(f16i)) |
| 143 | pass = std::isinf(f32) == isinf(f16o) && signbit(f16i) == signbit(f16o); |
| 144 | else if (isnan(f16i)) |
| 145 | pass = std::isnan(f32) == isnan(f16o); |
| 146 | else |
| 147 | pass = f16o.bits == f16i.bits && std::isfinite(f32) == isfinite(f16o); |
| 148 | |
| 149 | if (!pass) |
| 150 | { |
| 151 | ++errorCount; |
| 152 | if (errorCount < MAX_ERRORS) |
| 153 | { |
| 154 | fprintf(stderr, "FLOAT16 mismatch: expected 0x%04x, got 0x%04x, float value %f\n", |
| 155 | f16i.bits, f16o.bits, f32); |
| 156 | } |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | if (errorCount >= MAX_ERRORS) |
| 161 | { |
| 162 | fprintf(stderr, "... %u more error(s) ...\n", errorCount - MAX_ERRORS); |
| 163 | } |
| 164 | |
| 165 | return errorCount == 0; |
| 166 | } |
| 167 | |
| 168 | bool test_gpu_float16(nvrhi::IDevice* device) |
| 169 | { |
no test coverage detected