gcc/testsuite/gdc.test/compilable/test15898.d

   1 // REQUIRED_ARGS: -O
   2 // https://issues.dlang.org/show_bug.cgi?id=15898
   3
   4 int addAssignSimple(int[] , const(int)[] )
   5 {
   6     uint c;
   7     return c;
   8 }
   9
  10 void mulKaratsuba(int[] result, const(int)[] x, const(int)[] y, int[] )
  11 {
  12     const(int)[] y1 = y;
  13     int[] newscratchbuff;
  14     int[] resultHigh = result;
  15
  16     bool ysmaller2 = x.length >= y1.length;
  17     newscratchbuff[0..y1.length] = resultHigh;
  18     mulKaratsuba(
  19         resultHigh[1..$],
  20         ysmaller2 ? x[1..$] : y1,
  21         ysmaller2 ? y1 : x,
  22         newscratchbuff[y1.length..$]
  23     );
  24
  25     addAssignSimple(resultHigh[1..$], newscratchbuff[0..y1.length]);
  26 }
  27