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FMAX(3P) POSIX Programmer's Manual FMAX(3P)PROLOGThis manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may dif- fer (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.NAMEfmax, fmaxf, fmaxl - determine maximum numeric value of two floating-point numbersSYNOPSIS#include<math.h>doublefmax(doublex,doubley);floatfmaxf(floatx,floaty);longdoublefmaxl(longdoublex,longdoubley);DESCRIPTIONThese functions shall determine the maximum numeric value of their arguments. NaN arguments shall be treated as missing data: if one argument is a NaN and the other numeric, then these functions shall choose the numeric value.RETURNVALUEUpon successful completion, these functions shall return the maximum numeric value of their arguments. If just one argument is a NaN, the other argument shall be returned. Ifxandyare NaN, a NaN shall be returned.ERRORSNo errors are defined.Thefollowingsectionsareinformative.EXAMPLESNone.APPLICATIONUSAGENone.RATIONALENone.FUTUREDIRECTIONSNone.SEEALSOfdim(),fmin(), the Base Definitions volume of IEEE Std 1003.1-2001,<math.h>COPYRIGHTPortions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Stan- dard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifica- tions Issue 6, Copyright (C) 2001-2003 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between this version and the original IEEE and The Open Group Stan- dard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained online at http://www.opengroup.org/unix/online.html . IEEE/The Open Group 2003 FMAX(3P)