optimize multipleOfPowerOf5

Author: 9il

source/mir/bignum/internal/ryu/generic_128.d

@@ -184,19 +184,13 @@ bool multipleOfPowerOf5(size_t size)(UInt!size value, const uint p)
  enum fiveReciprocal = .fiveReciprocal.toSize!size;
  enum baseDiv5 = .baseDiv5.toSize!size;
  version(LDC) pragma(inline, true);
- if (value)
+ assert(value);
+ for (uint count = 0;; ++count)
  {
- for (uint count;; ++count)
- {
- if (count >= p)
- return true;
- value *= fiveReciprocal;
- if (value > baseDiv5)
- return false;
- }
+ value *= fiveReciprocal;
+ if (value > baseDiv5)
+ return count >= p;
  }
- else
- return p == 0;
 }
 
 version(mir_bignum_test) unittest