Additive primes: Difference between revisions

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+</pre>
+=={{header|TSE SAL}}==
+<lang TSESAL>
+INTEGER PROC FNMathGetSquareRootI( INTEGER xI )
+ INTEGER squareRootI = 0
+ IF ( xI > 0 )
+  WHILE( ( squareRootI * squareRootI ) <= xI )
+   squareRootI = squareRootI + 1
+  ENDWHILE
+  squareRootI = squareRootI - 1
+ ENDIF
+ RETURN( squareRootI )
+END
+//
+INTEGER PROC FNMathCheckIntegerIsPrimeB( INTEGER nI )
+ INTEGER I = 0
+ INTEGER primeB = FALSE
+ INTEGER stopB = FALSE
+ INTEGER restI = 0
+ INTEGER limitI = 0
+ primeB = FALSE
+ IF ( nI <= 0 )
+  RETURN( FALSE )
+ ENDIF
+ IF ( nI == 1 )
+  RETURN( FALSE )
+ ENDIF
+ IF ( nI == 2 )
+  RETURN( TRUE )
+ ENDIF
+ IF ( nI == 3 )
+  RETURN( TRUE )
+ ENDIF
+ IF ( nI MOD 2 == 0 )
+  RETURN( FALSE )
+ ENDIF
+ IF ( ( nI MOD 6 ) <> 1 ) AND ( ( nI MOD 6 ) <> 5 )
+  RETURN( FALSE )
+ ENDIF
+ limitI = FNMathGetSquareRootI( nI )
+ I = 3
+ REPEAT
+  restI = ( nI MOD I )
+  IF ( restI == 0 )
+   primeB = FALSE
+   stopB = TRUE
+  ENDIF
+  IF ( I > limitI )
+   primeB = TRUE
+   stopB = TRUE
+  ENDIF
+  I = I + 2
+ UNTIL ( stopB )
+ RETURN( primeB )
+END
+//
+INTEGER PROC FNMathCheckIntegerDigitSumI( INTEGER J )
+ STRING s[255] = Str( J )
+ STRING cS[255] = ""
+ INTEGER minI = 1
+ INTEGER maxI = Length( s )
+ INTEGER I = 0
+ INTEGER K = 0
+ FOR I = minI TO maxI
+  cS = s[ I ]
+  K = K + Val( cS )
+ ENDFOR
+ RETURN( K )
+END
+//
+INTEGER PROC FNMathCheckIntegerDigitSumIsPrimeB( INTEGER I )
+ INTEGER J = FNMathCheckIntegerDigitSumI( I )
+ INTEGER B = FNMathCheckIntegerIsPrimeB( J )
+ RETURN( B )
+END
+//
+INTEGER PROC FNMathGetPrimeAdditiveAllToBufferB( INTEGER maxI, INTEGER bufferI )
+ INTEGER B = FALSE
+ INTEGER B1 = FALSE
+ INTEGER B2 = FALSE
+ INTEGER B3 = FALSE
+ INTEGER minI = 2
+ INTEGER I = 0
+ FOR I = minI TO maxI
+  B1 = FNMathCheckIntegerIsPrimeB( I )
+  B2 = FNMathCheckIntegerDigitSumIsPrimeB( I )
+  B3 = B1 AND B2
+  IF ( B3 )
+   PushPosition()
+   PushBlock()
+   GotoBufferId( bufferI )
+   AddLine( Str( I ) )
+   PopBlock()
+   PopPosition()
+  ENDIF
+ ENDFOR
+ B = TRUE
+ RETURN( B )
+END
+//
+PROC Main()
+ STRING s1[255] = "500" // change this
+ INTEGER bufferI = 0
+ PushPosition()
+ bufferI = CreateTempBuffer()
+ PopPosition()
+ IF ( NOT ( Ask( " = ", s1, _EDIT_HISTORY_ ) ) AND ( Length( s1 ) > 0 ) ) RETURN() ENDIF
+ Message( FNMathGetPrimeAdditiveAllToBufferB( Val( s1 ), bufferI ) ) // gives e.g. TRUE
+ GotoBufferId( bufferI )
+END
+</lang>
+{{out}} <pre>
 </pre>