VII. Floating points puzzles ■ For each of the following C expressions, either: ▪ Argue that it is true for all argument values ▪ Explain why not true int x = ..; float f = ...; double d = ..; Assume neither d nor f is NaN • x == (int) (float) x (int) (double) x x == • f == (float) (double) f d == (double) (float) d - (-f); == 2/3.0 . 4 . == 2/3 d < 0.0 • d > f dd >= 0.0 (d+f) -d == f ((d*2) < 0.0) -f> -d

VII. Floating points puzzles ■ For each of the following C expressions, either: ▪ Argue that it is true for all argument values ▪ Explain why not true int x = ..; float f = ...; double d = ..; Assume neither d nor f is NaN • x == (int) (float) x (int) (double) x x == • f == (float) (double) f d == (double) (float) d - (-f); == 2/3.0 . 4 . == 2/3 d < 0.0 • d > f dd >= 0.0 (d+f) -d == f ((d*2) < 0.0) -f> -d

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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