Imported Upstream version 1.72.0

[platform/upstream/boost.git] / libs / math / doc / sf / trigamma.qbk

diff --git a/libs/math/doc/sf/trigamma.qbk b/libs/math/doc/sf/trigamma.qbk
index 6ae1de4..137a148 100644 (file)
--- a/libs/math/doc/sf/trigamma.qbk
+++ b/libs/math/doc/sf/trigamma.qbk
@@ -9,10 +9,10 @@
   namespace boost{ namespace math{
   
   template <class T>
-  ``__sf_result`` trigamma(T z);
+  ``__sf_result`` trigamma(T x);
   
   template <class T, class ``__Policy``>
-  ``__sf_result`` trigamma(T z, const ``__Policy``&);
+  ``__sf_result`` trigamma(T x, const ``__Policy``&);
   
   }} // namespaces
   
@@ -60,7 +60,7 @@ Testing is against Mathematica generated spot values to 35 digit precision.
 
 The arbitrary precision version of this function simply calls __polygamma.
 
-For built in fixed precision types, negative arguments are first made positive via:
+For built in fixed-precision types, negative arguments are first made positive via:
 
 [equation trigamma2]
 
@@ -68,16 +68,16 @@ Then arguments in the range \[0, 1) are shifted to >= 1 via:
 
 [equation trigamma3]
 
-Then evaluation is via one of a number of rational approximations, for small x these are
+Then evaluation is via one of a number of rational approximations, for small /x/ these are
 of the form:
 
 [equation trigamma4]
 
-and for large x of the form:
+and for large /x/ of the form:
 
 [equation trigamma5]
 
-[endsect][/section:digamma The Trigamma Function]
+[endsect] [/section:digamma The Trigamma Function]
 
 [/ 
   Copyright 2014 John Maddock and Paul A. Bristow.