Tiny markup nits.

svn path=/head/; revision=140225

lib/msun/man/feclearexcept.3

@@ -58,7 +58,9 @@ whereas
 .Fn feraiseexcept
 raises the specified exceptions.
 Raising an exception causes the corresponding flag to be set,
-and a SIGFPE is delivered to the process if the exception is unmasked.
+and a
+.Dv SIGFPE
+is delivered to the process if the exception is unmasked.
 .Pp
 The
 .Fn fetestexcept

lib/msun/man/fegetround.3

@@ -37,7 +37,7 @@
 .In fenv.h
 .Fd "#pragma STDC FENV_ACCESS ON"
 .Ft int
-.Fn fegetround "void"
+.Fn fegetround void
 .Ft int
 .Fn fesetround "int round"
 .Sh DESCRIPTION
@@ -49,9 +49,7 @@ and the
 function sets the current rounding mode to
 .Fa round .
 The rounding mode is one of
-.Dv FE_TONEAREST ,
-.Dv FE_DOWNWARD ,
-.Dv FE_UPWARD ,
+.Dv FE_TONEAREST , FE_DOWNWARD , FE_UPWARD ,
 or
 .Dv FE_TOWARDZERO ,
 as described in

lib/msun/man/fenv.3

@@ -56,7 +56,7 @@
 .Ft int
 .Fn fetestexcept "int excepts"
 .Ft int
-.Fn fegetround "void"
+.Fn fegetround void
 .Ft int
 .Fn fesetround "int round"
 .Ft int
@@ -68,7 +68,9 @@
 .Ft int
 .Fn feupdateenv "const fenv_t *envp"
 .Sh DESCRIPTION
-The fenv routines manipulate the floating-point environment,
+The
+.In fenv.h
+routines manipulate the floating-point environment,
 which includes the exception flags and rounding modes defined in
 .St -ieee754 .
 .Ss Exceptions
@@ -79,25 +81,23 @@ The following macros expand to bit flags of type
 .Vt int
 representing the five standard floating-point exceptions.
 .Bl -tag -width ".Dv FE_DIVBYZERO"
-.It Dv "FE_DIVBYZERO"
+.It Dv FE_DIVBYZERO
 A divide-by-zero exception occurs when the program attempts to
 divide a finite non-zero number by zero.
-.It Dv "FE_INEXACT"
+.It Dv FE_INEXACT
 An inexact exception is raised whenever there is a loss of precision
 due to rounding.
-.It Dv "FE_INVALID"
+.It Dv FE_INVALID
 Invalid operation exceptions occur when a program attempts to
 perform calculations for which there is no reasonable representable
 answer.
 For instance, subtraction of infinities, division of zero by zero,
-ordered comparison involving
-.Na
-s, and taking the square root of a
+ordered comparison involving \*(Nas, and taking the square root of a
 negative number are all invalid operations.
-.It Dv "FE_OVERFLOW"
+.It Dv FE_OVERFLOW
 An overflow exception occurs when the magnitude of the result of a
 computation is too large to fit in the destination type.
-.It Dv "FE_UNDERFLOW"
+.It Dv FE_UNDERFLOW
 Underflow occurs when the result of a computation is too close to zero
 to be represented as a non-zero value in the destination type.
 .El
@@ -123,16 +123,16 @@ from their exact values in order to fit them into binary
 floating-point variables.
 The four modes correspond with the following symbolic constants.
 .Bl -tag -width ".Dv FE_TOWARDZERO"
-.It Dv "FE_TONEAREST"
+.It Dv FE_TONEAREST
 Results are rounded to the closest representable value.
 If the exact result is exactly half way between two representable
 values, the value whose last binary digit is even (zero) is chosen.
 This is the default mode.
-.It Dv "FE_DOWNWARD"
+.It Dv FE_DOWNWARD
 Results are rounded towards negative \*[If].
-.It Dv "FE_UPWARD"
+.It Dv FE_UPWARD
 Results are rounded towards positive \*[If].
-.It Dv "FE_TOWARDZERO"
+.It Dv FE_TOWARDZERO
 Results are rounded towards zero.
 .El
 .Pp

lib/msun/man/fmax.3

@@ -43,13 +43,13 @@
 .Fn fmax "double x" "double y"
 .Ft float
 .Fn fmaxf "float x" "float y"
-.Ft long double
+.Ft "long double"
 .Fn fmaxl "long double x" "long double y"
 .Ft double
 .Fn fmin "double x" "double y"
 .Ft float
 .Fn fminf "float x" "float y"
-.Ft long double
+.Ft "long double"
 .Fn fminl "long double x" "long double y"
 .Sh DESCRIPTION
 The
@@ -70,8 +70,9 @@ functions return the smaller of
 .Fa x
 and
 .Fa y .
+They treat
 .Li +0.0
-is treated as being larger than
+as being larger than
 .Li -0.0 .
 If one argument is an \*(Na, then the other argument is returned.
 If both arguments are \*(Nas, then the result is an \*(Na.