The Open Group Base Specifications Issue 7, 2018 edition
IEEE Std 1003.1-2017 (Revision of IEEE Std 1003.1-2008)
Copyright © 2001-2018 IEEE and The Open GroupA newer edition of this document exists here
NAME
fmin, fminf, fminl - determine minimum numeric value of two floating-point numbers
SYNOPSIS
#include <math.h>
double fmin(double x, double y);
float fminf(float x, float y);
long double fminl(long double x, long double y);
DESCRIPTION
[CX] ![[Option Start]](../images/opt-start.gif)
The functionality described on this reference page is aligned with the ISO C standard. Any conflict between the
requirements described here and the ISO C standard is unintentional. This volume of POSIX.1-2017 defers to the ISO C
standard.
![[Option End]](../images/opt-end.gif)
These functions shall determine the minimum numeric value of their arguments. [MX] 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.
RETURN VALUE
Upon successful completion, these functions shall return the minimum numeric value of their arguments.
[MX] If
just one argument is a NaN, the other argument shall be returned.
If x and y are NaN, a NaN shall be returned.
ERRORS
No errors are defined.
The following sections are informative.
EXAMPLES
None.
APPLICATION USAGE
None.
RATIONALE
None.
FUTURE DIRECTIONS
None.
SEE ALSO
fdim, fmax
XBD <math.h>
CHANGE HISTORY
First released in Issue 6. Derived from the ISO/IEC 9899:1999 standard.
Issue 7
Austin Group Interpretation 1003.1-2001 #008 is applied.
End of informative text.
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