From: Doni Pracner <quinnuendo@gmail.com>
Date: Wed, 6 May 2015 00:09:55 +0000 (+0200)
Subject: PolinomL, primer Paskalov trougao
X-Git-Url: https://svarog.pmf.uns.ac.rs/gitweb/?a=commitdiff_plain;h=6c5ac2e54e219a8130d7f42023d3faf287841ab2;p=spa1-materijali.git

PolinomL, primer Paskalov trougao
---

diff --git a/kodovi/polinomi/Paskal.java b/kodovi/polinomi/Paskal.java
new file mode 100644
index 0000000..fecbfb1
--- /dev/null
+++ b/kodovi/polinomi/Paskal.java
@@ -0,0 +1,73 @@
+public class Paskal {
+
+	static final int d = 4; /* koliko mesta zauzima pojedinacni broj */
+
+	static String sep = "";
+
+	static void postaviSeparator() {
+		sep = "";
+		for (int i = 0; i < d; i++) {
+			sep += ' ';
+		}
+	}
+
+	static void poravnanje(int mesta) {
+		for (int i = 0; i < mesta; i++) {
+			System.out.print(sep);
+		}
+	}
+
+	static void stampajKoeficijente(PolinomL p, int mestaLevo) {
+		poravnanje(mestaLevo);
+		int maksimalniStepen = p.maksimalniStepen();
+		for (int stepen = 0; stepen <= maksimalniStepen; stepen++) {
+			Svetovid.out.print(String.format("%" + d + ".0f",
+					p.koeficijentUz(stepen)));
+			System.out.print(sep);
+		}
+	}
+
+	static void paskalovTrougao(int n) {
+		PolinomL poli = new PolinomL();
+		poli.postaviClan(1.0, 0);
+
+		PolinomL xPlus1 = new PolinomL();
+		xPlus1.postaviClan(1.0, 1);
+		xPlus1.postaviClan(1.0, 0);
+
+		stampajKoeficijente(poli, n - 1);
+		System.out.println();
+		for (int i = 2; i <= n; i++) {
+			poli = poli.puta(xPlus1);
+			stampajKoeficijente(poli, n - i);
+			System.out.println();
+		}
+	}
+
+	// jednostavna varijanta koja odmah stampa polinom na ekran - tacno, ali
+	// nije predstavljeno kako treba
+	static void paskalovTrougaoDirektno(int n) {
+		PolinomL poli = new PolinomL();
+		poli.postaviClan(1.0, 0);
+
+		PolinomL xPlus1 = new PolinomL();
+		xPlus1.postaviClan(1.0, 1);
+		xPlus1.postaviClan(1.0, 0);
+
+		System.out.println(poli);
+		for (int i = 2; i <= n; i++) {
+			poli = poli.puta(xPlus1);
+			System.out.println(poli);
+		}
+	}
+
+	public static void main(String[] args) {
+		System.out.println("Program stampa Paskalov trougao");
+		System.out.println();
+		System.out.println("Unesite broj do koga stampamo: ");
+		System.out.println();
+		int broj = Svetovid.in.readInt();
+		postaviSeparator();
+		paskalovTrougao(broj);
+	}
+}