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Text File  |  1993-08-08  |  259b  |  11 lines
  1. * Copyright (c) 1990 by AT&T Bell Telephone Laboratories, Incorporated. */
  2. * The C++ Answer Book */
  3. * Tony Hansen */
  4. * All rights reserved. */
  5. / x = a.dot(b)
  6. loat vec4::dot(vec4 a)
  7.  
  8.    return f[0] * a.f[0] + f[1] * a.f[1] +
  9.    f[2] * a.f[2] + f[3] * a.f[3];
  10.  
  11.