fanotify_init.2, fanotify.7: Document FAN_REPORT_TID

[thirdparty/man-pages.git] / man3 / frexp.3

diff --git a/man3/frexp.3 b/man3/frexp.3
index d126d85323aa5bdf9399d5c97abc7e7a704a9508..5d33712e0af6130e73cb386abb12728f1bf4de2a 100644 (file)
--- a/man3/frexp.3
+++ b/man3/frexp.3
@@ -30,37 +30,33 @@
 .\" Modified 2002-07-27 by Walter Harms
 .\"    (walter.harms@informatik.uni-oldenburg.de)
 .\"
-.TH FREXP 3 2015-03-02 "" "Linux Programmer's Manual"
+.TH FREXP 3 2017-09-15 "" "Linux Programmer's Manual"
 .SH NAME
 frexp, frexpf, frexpl \- convert floating-point number to fractional
 and integral components
 .SH SYNOPSIS
 .nf
 .B #include <math.h>
-.sp
+.PP
 .BI "double frexp(double " x ", int *" exp );
-.br
 .BI "float frexpf(float " x ", int *" exp );
-.br
 .BI "long double frexpl(long double " x ", int *" exp );
 .fi
-.sp
+.PP
 Link with \fI\-lm\fP.
-.sp
+.PP
 .in -4n
 Feature Test Macro Requirements for glibc (see
 .BR feature_test_macros (7)):
 .in
-.sp
+.PP
 .ad l
 .BR frexpf (),
 .BR frexpl ():
 .RS 4
-_BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE\ >=\ 600 || _ISOC99_SOURCE ||
-_POSIX_C_SOURCE\ >=\ 200112L;
-.br
-or
-.I cc\ -std=c99
+_ISOC99_SOURCE || _POSIX_C_SOURCE\ >=\ 200112L
+    || /* Since glibc 2.19: */ _DEFAULT_SOURCE
+    || /* Glibc versions <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE
 .RE
 .ad
 .SH DESCRIPTION
@@ -79,20 +75,20 @@ the normalized fraction is
 times a power of two,
 and its absolute value is always in the range 1/2 (inclusive) to
 1 (exclusive), that is, [0.5,1).
-
+.PP
 If
 .I x
 is zero, then the normalized fraction is
 zero and zero is stored in
 .IR exp .
-
+.PP
 If
 .I x
 is a NaN,
 a NaN is returned, and the value of
 .I *exp
 is unspecified.
-
+.PP
 If
 .I x
 is positive infinity (negative infinity),
@@ -117,25 +113,25 @@ T}        Thread safety   MT-Safe
 .TE
 .SH CONFORMING TO
 C99, POSIX.1-2001, POSIX.1-2008.
-
+.PP
 The variant returning
 .I double
 also conforms to
 SVr4, 4.3BSD, C89.
 .SH EXAMPLE
 The program below produces results such as the following:
-.sp
-.nf
+.PP
 .in +4n
+.EX
 .RB "$" " ./a.out 2560"
 frexp(2560, &e) = 0.625: 0.625 * 2^12 = 2560
 .RB "$" " ./a.out \-4"
 frexp(\-4, &e) = \-0.5: \-0.5 * 2^3 = \-4
+.EE
 .in
-.fi
 .SS Program source
 \&
-.nf
+.EX
 #include <math.h>
 #include <float.h>
 #include <stdio.h>
@@ -154,7 +150,7 @@ main(int argc, char *argv[])
            x, r, r, FLT_RADIX, exp, x);
     exit(EXIT_SUCCESS);
 }
-.fi
+.EE
 .SH SEE ALSO
 .BR ldexp (3),
 .BR modf (3)