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Nmeros de ponto flutuante
ApndiceB
Tanenbaum, Structured Computer Organization, Fifth Edition, (c)
2006 Pearson Education, Inc. All rights reserved. 0-13-148521-0
1.psd
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Princpios do ponto flutuante (1) Deve separar faixa de preciso
Usar notao cientfica n = f 10ef a frao ou mantissae o expoente (um
nmero positivo ou negativo)
Exemplos
3.14 = 0.314 101 = 3.14 1000.000001 = 0.1 105 = 1.0 1061941 =
0.1941 104 = 1.941 103
Tanenbaum, Structured Computer Organization, Fifth Edition, (c)
2006 Pearson Education, Inc. All rights reserved. 0-13-148521-0
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Princpios de ponto flutuante (2)Sete regies da linha dos nmeros
reais Nmeros negativos grandes menores que 0.999 1099.Nmeros
negativos entre 0.999 1099 and 0.100 1099.Nmeros negativos pequenos
com grandezas menores que 0.100 10-99.Zero.Nmeros positivos
pequenos com grandezas menores que 0.100 1099.Nmeros positivos
entre 0.100 1099 e 0.999 1099.Nmeros positivos grandes maiores que
0.999 1099.
Tanenbaum, Structured Computer Organization, Fifth Edition, (c)
2006 Pearson Education, Inc. All rights reserved. 0-13-148521-0
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Princpios do ponto flutuante (3)
Tanenbaum, Structured Computer Organization, Fifth Edition, (c)
2006 Pearson Education, Inc. All rights reserved. 0-13-148521-0
-
Princpios do ponto flutuante (4)
Tanenbaum, Structured Computer Organization, Fifth Edition, (c)
2006 Pearson Education, Inc. All rights reserved. 0-13-148521-0
4.psd
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Padro de ponto flutuanteIEEE 754 (1)
Tanenbaum, Structured Computer Organization, Fifth Edition, (c)
2006 Pearson Education, Inc. All rights reserved. 0-13-148521-0
-
Padro de ponto flutuanteIEEE 754 (2)
Tanenbaum, Structured Computer Organization, Fifth Edition, (c)
2006 Pearson Education, Inc. All rights reserved. 0-13-148521-0
-
Padro de ponto flutuanteIEEE 754 (3)
Tanenbaum, Structured Computer Organization, Fifth Edition, (c)
2006 Pearson Education, Inc. All rights reserved. 0-13-148521-0
-
Padro de ponto flutuanteIEEE 754 (4)
Tanenbaum, Structured Computer Organization, Fifth Edition, (c)
2006 Pearson Education, Inc. All rights reserved. 0-13-148521-0
-
Padro de ponto flutuanteIEEE 754 (5)
Tanenbaum, Structured Computer Organization, Fifth Edition, (c)
2006 Pearson Education, Inc. All rights reserved. 0-13-148521-0
