[NBKCoreKit] StrictUnsignedInteger (#83).

oscbyspro · Sep 20, 2023 · ac40ed1 · ac40ed1
1 parent b125678
commit ac40ed1
Show file tree

Hide file tree

Showing 16 changed files with 1,154 additions and 692 deletions.
diff --git a/Sources/NBKCoreKit/Private/NBK+Division.swift b/Sources/NBKCoreKit/Private/NBK+Division.swift
@@ -77,9 +77,18 @@ extension NBK {
             return PVO(dividend._lowWord & (divisor &- 1), false)
         }
         //=--------------------------------------=
+        if  divisor.isZero {
+            return PVO(dividend._lowWord, true)
+        }
+        //=--------------------------------------=
         let minus = T.isSigned && dividend < T.zero
-        let pvo = NBK.remainderReportingOverflowAsLenientUnsignedInteger(of: dividend.magnitude.words, dividingBy: divisor)
-        return PVO((minus && !pvo.partialValue.isZero) ? (divisor &- pvo.partialValue) : pvo.partialValue, pvo.overflow)
+        var remainder = 000000000000000000 as  UInt
+
+        for word in dividend.magnitude.words.reversed() {
+            remainder = divisor.dividingFullWidth(HL(high: remainder, low: word)).remainder
+        }
+
+        return PVO((minus && !remainder.isZero) ? (divisor &- remainder) : remainder, false)
     }
 
     /// Returns the least positive `residue` of dividing the `dividend` by `source.bitWidth`.

diff --git a/Sources/NBKCoreKit/Private/NBK+Limbs+Addition.swift b/Sources/NBKCoreKit/Private/NBK+Limbs+Addition.swift
diff --git a/Sources/NBKCoreKit/Private/NBK+Limbs+Multiplication.swift b/Sources/NBKCoreKit/Private/NBK+Limbs+Multiplication.swift