The fractional part of a float can be obtained efficiently in C through floating point modulus by subtracting the integer part of the float from the float itself, using the floating point modulus operator (%).
Here is an example code snippet:
float num = 3.14159;
float fractional_part = num - (int)num;
In this example, (int)num
will give us the integer part of the float num
. We can then subtract this integer part from num
to get the fractional part, which is stored in the variable fractional_part
.
Alternatively, we can also use the floating point modulus operator to achieve the same result:
float num = 3.14159;
float fractional_part = num - ((int)num % 1.0);
In this case, (int)num % 1.0
will give us the integer part of num
as a floating point value. We can then subtract this value from num
to get the fractional part, which is again stored in the variable fractional_part
.
Both of these methods are efficient and will give us the fractional part of a float in C using floating point modulus.
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Asked: 2023-06-22 08:07:02 +0000
Seen: 13 times
Last updated: Jun 22 '23
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