Changeset 1757

Timestamp:

07/14/10 06:59:38 (14 years ago)

Author:

Don Clugston

Message:

Fix bug 4452: Incorrect result of BigInt? long

Files:

• trunk/phobos/std/internal/math/biguintcore.d (modified) (1 diff)

trunk/phobos/std/internal/math/biguintcore.d

@@ -557 +557 @@
-        // For example, 10^^100 = (((5^^13)^^7) * 5^^9) * 2^^100.
-        // and 5^^13 still fits into a uint.
-        evenshiftbits  = cast(uint)( (evenbits * y) & BIGDIGITSHIFTMASK);
-        if (x0 == 1) { // Perfect power of 2
-             result = 1UL;
-             return result << (evenbits + firstnonzero*BigDigit.sizeof)*y;
-        } else {
-            int p = highestPowerBelowUintMax(x0);
-            if (y <= p) { // Just do it with pow               
-                result = cast(ulong)intpow(x0, y);
-
+
+
-                return result<< (evenbits + firstnonzero*BigDigit.sizeof)*y;
-            }
-            y0 = y/p;
-            finalMultiplier = intpow(x0, y - y0*p);
-            x0 = intpow(x0, p);
-        }
-        xlength = 1;
-    }
-
-    // Check for overflow and allocate result buffer