C++ (Cpp) Slice_last Examples

Example #1

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File: Vector_vw.c Project: andrekandore/COS

struct T*
TV_init(struct TV *vecv, struct T *vec, struct Slice *slc, BOOL isSub)
{
  test_assert( Slice_first(slc) < vec->size &&
               Slice_last (slc) < vec->size, "slice out of range" );

  struct T* vw = &vecv->T;

  vw->value  = Slice_start (slc)*vec->stride + vec->value;
  vw->size   = Slice_size  (slc);
  vw->stride = isSub ? Slice_stride(slc) : Slice_stride(slc)*vec->stride;
  vecv->ref  = vec;

  return vw;
}

Example #2

0

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File: Array_acc.c Project: awakecoding/COS

defmethod(OBJ, gputAt, Array, Int, Object)
  U32 i = Range_index(self2->value, self->size);
  
  test_assert( i < self->size, "index out of range" );

  OBJ *dst = self->object + i*self->stride;
  assign(dst, _3);
    
  retmethod(_1);
endmethod

defmethod(OBJ, gputAt, Array, Slice, Object)
PRE
  test_assert( Slice_first(self2) < self->size &&
               Slice_last (self2) < self->size, "slice out of range" );
BODY
  U32  dst_n = Slice_size  (self2);
  I32  dst_s = Slice_stride(self2)*self->stride;
  OBJ *dst   = Slice_start (self2)*self->stride + self->object;
  OBJ *end   = dst + dst_s*dst_n;

  while (dst != end) {
    assign(dst, _3);
    dst += dst_s;
  }
  
  retmethod(_1);
endmethod

// move to sequence?

Example #3

0

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File: ut_slice.c Project: awakecoding/COS

void
ut_slice(void)
{
  useclass(Slice);

  UTEST_START("Slice")

    // equality and default args
    UTEST( Slice_isEqual(atSlice(10)  , atSlice(0,10, 1))  );
    UTEST( Slice_isEqual(atSlice(0,10), atSlice(0,10, 1))  );
    UTEST(!Slice_isEqual(atSlice(0,10), atSlice(0,10,-1))  );
    UTEST( Slice_isEqual(atSlice(0,10), atSlice(0,10, 0))  );

    UTEST( gisEqual(aSlice(10)  , aSlice(0,10, 1)) == True  );
    UTEST( gisEqual(aSlice(0,10), aSlice(0,10, 1)) == True  );
    UTEST( gisEqual(aSlice(0,10), aSlice(0,10,-1)) == False );

    // new vs auto
    UTEST( isEq(gnewSlc(Slice, 0, 10, 1), aSlice(0,10,1)) );
    UTEST(!isEq(gnewSlc(Slice, 0, 10, 1), aSlice(0,10,-1)) );

    // clone vs auto
    UTEST( isEq(gclone(aSlice(10)), aSlice(10)) );
    UTEST( isEq(gclone(aSlice(0,10)), aSlice(0,10)) );
    UTEST( isEq(gclone(aSlice(0,10,-1)), aSlice(0,10,-1)) );
    
    // eval
    UTEST( Slice_eval(atSlice(10),0) == 0 );
    UTEST( Slice_eval(atSlice(10),1) == 1 );
    UTEST( Slice_eval(atSlice(10),10) == 10 );
    UTEST( Slice_eval(atSlice(1,10),0) == 1 );
    UTEST( Slice_eval(atSlice(1,10),1) == 2 );
    UTEST( Slice_eval(atSlice(1,10),10) == 11 );
    UTEST( Slice_eval(atSlice(1,10,2),0) == 1 );
    UTEST( Slice_eval(atSlice(1,10,2),1) == 3 );
    UTEST( Slice_eval(atSlice(1,10,2),10) == 21 );
    UTEST( Slice_eval(atSlice(10,1,-2),0) == 10 );
    UTEST( Slice_eval(atSlice(10,1,-2),1) == 8 );
    UTEST( Slice_eval(atSlice(10,1,-2),10) == -10 );

    // first
    UTEST( Slice_first(atSlice(10)) == 0 );
    UTEST( Slice_first(atSlice(1,10)) == 1 );
    UTEST( Slice_first(atSlice(-1,10)) == (U32)-1 );
    UTEST( Slice_first(atSlice(-1,-10)) == (U32)-1 );

    // last
    UTEST( Slice_last(atSlice(10)) == 9 );
    UTEST( Slice_last(atSlice(1,10)) == 10 );
    UTEST( Slice_last(atSlice(1,10,2)) == 19 );
    UTEST( Slice_last(atSlice(0,-10)) == (U32)-11 );
    UTEST( Slice_last(atSlice(-1,-10)) == (U32)-12 );

    // size
    UTEST( Slice_size(atSlice(0,9,1)) == 9 );
    UTEST( Slice_size(atSlice(1,10,1)) == 10 );
    UTEST( Slice_size(atSlice(1,10,2)) == 10 );
    UTEST( Slice_size(atSlice(1,10,3)) == 10 );
    UTEST( Slice_size(atSlice(1,9,3)) == 9 );

    UTEST( Slice_size(atSlice(9,0,-1)) == 0 );
    UTEST( Slice_size(atSlice(10,1,-1)) == 1 );
    UTEST( Slice_size(atSlice(10,1,-2)) == 1 );
    UTEST( Slice_size(atSlice(10,1,-3)) == 1 );
    UTEST( Slice_size(atSlice(9,1,-3)) == 1 );

    // slice vs range
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(-1,1,1), 0), atSlice(-1,3,1)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(-1,1,2), 0), atSlice(-1,2,2)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(-1,5,3), 0), atSlice(-1,3,3)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(-1,4,3), 0), atSlice(-1,2,3)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange( 1,5,3), 0), atSlice( 1,2,3)) );

    UTEST( eq(Slice_fromRange(atSlice(0), atRange(9,0,-1), 0), atSlice(9,10,-1)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(9,1,-2), 0), atSlice(9,5,-2)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(9,0,-3), 0), atSlice(9,4,-3)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(9,3,-3), 0), atSlice(9,3,-3)) );

    UTEST( eq(Slice_fromRange(atSlice(0), atRange(0,9,1) , 0), atSlice(0,10,1)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(1,10,1), 0), atSlice(1,10,1)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(1,9,2) , 0), atSlice(1,5,2)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(1,10,3), 0), atSlice(1,4,3)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(1,7,3) , 0), atSlice(1,3,3)) );

    UTEST( eq(Slice_fromRange(atSlice(0), atRange(9,0,-1) , 0), atSlice(9,10,-1)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(10,1,-1), 0), atSlice(10,10,-1)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(10,2,-2), 0), atSlice(10,5,-2)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(10,1,-3), 0), atSlice(10,4,-3)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(9,3,-3) , 0), atSlice(9,3,-3)) );

    UTEST( eq(Slice_fromRange(atSlice(0), atRange(-1,-10,-1), 0), atSlice(-1,10,-1)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(-1,-9,-2) , 0), atSlice(-1,5,-2)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(-1,-10,-3), 0), atSlice(-1,4,-3)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(-1,-7,-3) , 0), atSlice(-1,3,-3)) );

    UTEST( eq(Slice_fromRange(atSlice(0), atRange(-10,-1,1), 0), atSlice(-10,10,1)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(-10,-2,2), 0), atSlice(-10,5,2)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(-10,-1,3), 0), atSlice(-10,4,3)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(-9,-3,3) , 0), atSlice(-9,3,3)) );

  UTEST_END
}