mult_by() [2/2]

int32_t safe::mult_by ( int32_t & x, int32_t y, const char * msg )

inlinestatic

Definition at line 249 of file overflow.hpp.

{
  int64_t z = (int64_t)x * y;
  int32_t w = (int32_t)z;
  if
    expect_false(z != (int64_t)w) ov(msg);
  return x = w;
}

References expect_false, ov(), and x.

Referenced by mult_by().