| 83 | |
| 84 | template <typename Float> |
| 85 | bool WithinUlpGeneric(Float left, Float right, int n_ulps) { |
| 86 | if constexpr (std::is_same_v<Float, util::Float16>) { |
| 87 | if (left.is_nan() || right.is_nan()) { |
| 88 | return left.is_nan() == right.is_nan(); |
| 89 | } else if (left.is_infinity() || right.is_infinity()) { |
| 90 | return left == right; |
| 91 | } |
| 92 | } else { |
| 93 | if (std::isnan(left) || std::isnan(right)) { |
| 94 | return std::isnan(left) == std::isnan(right); |
| 95 | } |
| 96 | if (!std::isfinite(left) || !std::isfinite(right)) { |
| 97 | return left == right; |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | if (n_ulps == 0) { |
| 102 | return left == right; |
| 103 | } |
| 104 | |
| 105 | DCHECK_GE(n_ulps, 1); |
| 106 | return UlpDistanceUtil<Float>::UlpDistance(left, right) <= |
| 107 | static_cast<uint64_t>(n_ulps); |
| 108 | } |
| 109 | |
| 110 | template <typename Float> |
| 111 | void AssertWithinUlpGeneric(Float left, Float right, int n_ulps) { |
no outgoing calls
no test coverage detected