powd64(3M) powd64(3M)[top]NAMEpowd64(), powd128(), powd32() - decimal power functionsSYNOPSISDESCRIPTIONThe function returns is a version of it takes arguments and returns a result. is a version of it takes arguments 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 VALUEand raises the divide-by-zero floating-point exception for y an odd integer < 0. returns +infinity and raises the divide-by-zero floating-point excep‐ tion for y<0 and not an odd integer. for y an odd integer > 0. returns +0 for y>0 and not an odd integer. returns 1. returns 1 for any x, even NaN. returns 1 for any x, even NaN. returns NaN and raises the invalid floating-point exception for finite x<0 and finite non-integer y. returns +infinity for |x|<1. returns +0 for |x|>1. returns +0 for |x|<1. returns +infinity for |x|>1. returnsfor y an odd integer < 0. returns +0 for y<0 and not an odd integer. returns-0for y an odd integer > 0. returns +infinity for y>0 and not an odd integer. returns +0 for y<0. returns +inf for y>0. Otherwise, if either argument is NaN, then returns NaN. returns the properly signed infinity (or, in some non-default rounding direction modes, the properly signed maximum-magnitude finite number) in lieu of a value whose magnitude is too large, and raises the over‐ flow 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.-infinityERRORSFor finite x<0 and finite non-integer y, sets to sets to if y is an odd integer < 0. sets to if y<0 and not an odd integer. If the correct value would overflow, sets toSEE ALSOcbrtd64(3M), expd64(3M), logd64(3M), scalblnd64(3M), scalbnd64(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 powd64(3M)

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