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diff --git a/man3p/isgreater.3p b/man3p/isgreater.3p new file mode 100644 index 000000000..f00b7faad --- /dev/null +++ b/man3p/isgreater.3p @@ -0,0 +1,71 @@ +.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved +.TH "ISGREATER" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual" +.\" isgreater +.SH NAME +isgreater \- test if x greater than y +.SH SYNOPSIS +.LP +\fB#include <math.h> +.br +.sp +int isgreater(real-floating\fP \fIx\fP\fB, real-floating\fP \fIy\fP\fB); +.br +\fP +.SH DESCRIPTION +.LP +The \fIisgreater\fP() macro shall determine whether its first argument +is greater than its second argument. The value of +\fIisgreater\fP( \fIx\fP, \fIy\fP) shall be equal to (\fIx\fP)\ >\ (\fIy\fP); +however, unlike +(\fIx\fP)\ >\ (\fIy\fP), \fIisgreater\fP( \fIx\fP, \fIy\fP) shall +not raise the invalid floating-point exception +when \fIx\fP and \fIy\fP are unordered. +.SH RETURN VALUE +.LP +Upon successful completion, the \fIisgreater\fP() macro shall return +the value of (\fIx\fP)\ >\ (\fIy\fP). +.LP +If \fIx\fP or \fIy\fP is NaN, 0 shall be returned. +.SH ERRORS +.LP +No errors are defined. +.LP +\fIThe following sections are informative.\fP +.SH EXAMPLES +.LP +None. +.SH APPLICATION USAGE +.LP +The relational and equality operators support the usual mathematical +relationships between numeric values. For any ordered pair +of numeric values, exactly one of the relationships (less, greater, +and equal) is true. Relational operators may raise the invalid +floating-point exception when argument values are NaNs. For a NaN +and a numeric value, or for two NaNs, just the unordered +relationship is true. This macro is a quiet (non-floating-point exception +raising) version of a relational operator. It facilitates +writing efficient code that accounts for NaNs without suffering the +invalid floating-point exception. In the SYNOPSIS section, +\fBreal-floating\fP indicates that the argument shall be an expression +of \fBreal-floating\fP type. +.SH RATIONALE +.LP +None. +.SH FUTURE DIRECTIONS +.LP +None. +.SH SEE ALSO +.LP +\fIisgreaterequal\fP() , \fIisless\fP() , \fIislessequal\fP() , \fIislessgreater\fP() +, \fIisunordered\fP() , the Base Definitions volume of IEEE\ Std\ 1003.1-2001 +\fI<math.h>\fP +.SH COPYRIGHT +Portions of this text are reprinted and reproduced in electronic form +from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology +-- Portable Operating System Interface (POSIX), The Open Group Base +Specifications 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 Standard, 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 . |