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function::fp_to_long − Convert fp to int64
fp_to_long:long(infp:long,roundingMode:long,exact:long)
infp
the 64 bit floating point stored in long
roundingMode
through 0−6, which are round to nearest even, minMag, min, max, near maxMag and round to odd
exact
the boolean value, if exact is 1 than raising inexact exception, otherwise ignore the exception.
Given a 64 bit floating point, which is stored in long, use the long value to initiate self−defined float64_t type, then apply the f64_to_i64 function to get the string representation.
tapset::floatingpoint(3stap)