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User defined value type: changes in documentation and test case

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Changed the name of a function from `truncate` to `floor`, since that is more appropriate; updated
the inaccurate description on the rounding behaviour. Also modified the respective semantic test.
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hrkrshnn
2021-09-09 16:57:03 +02:00
parent 3e2e3d1baa
commit 952540c3b5
2 changed files with 24 additions and 9 deletions
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docs/types/value-types.rst
+3 -2
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@@ -676,8 +676,9 @@ type with 18 decimals and a minimal library to do arithmetic operations on the t
function mul(UFixed256x18 a, uint256 b) internal pure returns (UFixed256x18) {
return UFixed256x18.wrap(UFixed256x18.unwrap(a) * b);
}
/// Truncates UFixed256x18 to the nearest uint256 number.
function truncate(UFixed256x18 a) internal pure returns (uint256) {
/// Take the floor of a UFixed256x18 number.
/// @return the largest integer that does not exceed `a`.
function floor(UFixed256x18 a) internal pure returns (uint256) {
return UFixed256x18.unwrap(a) / multiplier;
}
/// Turns a uint256 into a UFixed256x18 of the same value.