expm1d64(3M) expm1d64(3M)[top]NAMEexpm1d64(), expm1d128(), expm1d32() - decimal exponential minus 1 func‐ tionsSYNOPSISDESCRIPTIONThe function is equivalent to but may be more accurate for very small values of x. The and functions are useful to guarantee that financial calculations of (((1+x)**n)-1)/x are accurate when x is very small, namely: The preceding example might be applicable when calculating small daily interest rates. is a version of it takes a argument and returns a result. is a version of it takes a argument and returns a result. These math functions are supported for HP-UX 11i Version 3 September 2008 Update and forward.USAGETo use any of these functions, compile with the option. Make sure your program defines and then includes Link in the math library by specifying or on the linking command line. For more information, see the at the following site:RETURN VALUEIf x is +infinity, returns +infinity. If x is −infinity, returnsIf x is NaN, returns a quiet NaN. returns +infinity (or, in some non-default rounding direction modes, the maximum finite number) in lieu of a value whose magnitude is too large, and raises the overflow and inexact exceptions. raises the underflow exception whenever a result is tiny (essentially subnormal or zero) and inexact. raises the inexact exception whenever a rounded result does not equal the mathematical result.-1.ERRORSIf the correct value would overflow, sets toSEE ALSOannuity(3M), cbrtd64(3M), compound(3M), exp10d64(3M), exp2d64(3M), expd64(3M), log1pd64(3M), powd64(3M), sqrtd64(3M), math(5).STANDARDS CONFORMANCEThese functions conform to ISO/IEC TR 24732, "Extension for the pro‐ gramming language C to support decimal floating-point arithmetic". HP Integrity Server Only expm1d64(3M)

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