Are IEEE 754 32-BIT and 64-BIT Binary Floating-point Accurate Enough?  

Oleh:

Hariadi, Mochamad ; Purnomo, Mauridhi Hery ; Purnama, I Ketut Eddy ; Hutabarat, Bernaridho I.

Jenis: Article from Journal - ilmiah nasional - terakreditasi DIKTI
Dalam koleksi: Makara Journal of Technology vol. 15 no. 1 (Apr. 2011), page 68-74.
Topik: Accuracy; Binary; Floating-point; IEEE 754

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: MM64.4 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

This paper describes a research toward the accuracy of floating-point values, and effort to reveal the real accuracy. The methods used in this research paper are assignment of values, assignment of value of arithmetic expressions, and output the values using floating-point value format that helps reveal the accuracy. The programming-tool used are Visual C# 9, Visual C++ 9, Java 5, and Visual BASIC 9. These tools run on top of Intel 80x 86 hardware. The results show that 1*10-x cannot be accurately represented, and the approximate accuracy ranges only from 7 to 16 decimal digits.

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