diff options
Diffstat (limited to 'pseudocode/library/numeric_accuracy_helpers.tosac')
| -rw-r--r-- | pseudocode/library/numeric_accuracy_helpers.tosac | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/pseudocode/library/numeric_accuracy_helpers.tosac b/pseudocode/library/numeric_accuracy_helpers.tosac index b89d898..dbff2dd 100644 --- a/pseudocode/library/numeric_accuracy_helpers.tosac +++ b/pseudocode/library/numeric_accuracy_helpers.tosac @@ -56,3 +56,17 @@ int normal_frac<in_t> () { case fp8e5m2_t: return 2; } } + +double calcAbsErrorBound<in_t>(double bound_magnitude, double bounds_value, + double lower_bound, double normal_divisor) { + double error_bound = 0.0; + // Avoid cases where we generate an error_bound of NaN by multiplying inf * 0 + if (is_finite(bounds_value) || abs(bound_magnitude) != 0.0) { + double value_bound = abs(bound_magnitude) * bounds_value; + if (lower_bound > 0) { + value_bound = max(lower_bound, value_bound); + } + error_bound = exp2(-normal_frac<in_t> / normal_divisor) * value_bound; + } + return error_bound; +}
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