static float BooleRule ( float a , float b ) {
  int n = 4 ;
  int h ;
  h = ( int ) ( ( b - a ) / n ) ;
  float sum = 0 ;
  float bl = ( 7 * y ( a ) + 32 * y ( a + h ) + 12 * y ( a + 2 * h ) + 32 * y ( a + 3 * h ) + 7 * y ( a + 4 * h ) ) * 2 * h / 45 ;
  sum = sum + bl ;
  return sum ;
}

static float BooleRule ( float a , float b ) { int n = 4 ; int h ; h = ( int ) ( ( b - a ) / n ) ; float sum = 0 ; float bl = ( 7 * y ( a ) + 32 * y ( a + h ) + 12 * y ( a + 2 * h ) + 32 * y ( a + 3 * h ) + 7 * y ( a + 4 * h ) ) * 2 * h / 45 ; sum = sum + bl ; return sum ; }
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