coffee/fast_float
1
0
Fork 0
mirror of https://github.com/fastfloat/fast_float.git synced 2025-12-06 16:56:57 +08:00
Code Issues Packages Projects Releases Wiki Activity

Adding a guard.

Browse Source
This commit is contained in:
Daniel Lemire 2020-11-20 16:09:53 -05:00
parent 1283ea199b
commit 8fde4bad4e
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
include/fast_float/decimal_to_binary.h
View File

@ -101,8 +101,11 @@ adjusted_mantissa compute_float(int64_t q, uint64_t w) noexcept {
// In some very rare cases, this could happen, in which case we might need a more accurate // In some very rare cases, this could happen, in which case we might need a more accurate
// computation that what we can provide cheaply. This is very, very unlikely. // computation that what we can provide cheaply. This is very, very unlikely.
// //
answer.power2 = -1; // This (a negative value) indicates an error condition. const bool inside_safe_exponent = (q >= 0) && (q <= 55); // always good because 5**q <2**128.
return answer; if(!inside_safe_exponent) {
answer.power2 = -1; // This (a negative value) indicates an error condition.
return answer;
}
} }
// The "compute_product_approximation" function can be slightly slower than a branchless approach: // The "compute_product_approximation" function can be slightly slower than a branchless approach:
// value128 product = compute_product(q, w); // value128 product = compute_product(q, w);