float a = 64.2 double b = 64.2 double c = (double)a What does c = ?

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asked Sep 25, 2022 in General Knowledge by iskralawrence (773k points)

float a = 64.2
double b = 64.2
double c = (double)a

What does c = ?

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answered Sep 25, 2022 by iskralawrence (773k points)

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We can't say.

According to IEEE 754, a = 0x42806666 and b =
0x40500ccccccccccd.

After executing and checking the value of c, we get c = 0x40500cccc0000000, which isn't what we expected.

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float a = 64.2 double b = 64.2 double c = (double)a What does c = ?

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