c - Manually doing soft-float add -

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i need write program in c takes 2 floating point numbers , produces sum output using int, pointers , malloc(). no other data type. (single precision) , i'm helpless.

tip: floating point number x 2 integers: mantissa m , exponent e such x = m * 2^e. should started.

good read: what every programmer should know floating-point arithmetic

edit: understood question exercise understand floating point numbers. maybe i'm wrong…


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