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authorMark H Weaver <mhw@netris.org>2014-01-09 01:32:32 -0500
committerMark H Weaver <mhw@netris.org>2014-01-09 02:52:34 -0500
commit1df515a077f26d59510e48fad3d45a33d2c90e0f (patch)
tree05991bb4b3d527390d036fbb17617d6905097bda /doc/ref/api-data.texi
parent61989c705359c50c61d7f52392f244d386218298 (diff)
parent306cc01d3981feaa11aa0d866ff1d99128f0ace3 (diff)
downloadguile-1df515a077f26d59510e48fad3d45a33d2c90e0f.tar.gz
Merge branch 'stable-2.0'
Conflicts: module/system/vm/traps.scm test-suite/tests/peval.test
Diffstat (limited to 'doc/ref/api-data.texi')
-rw-r--r--doc/ref/api-data.texi27
1 files changed, 23 insertions, 4 deletions
diff --git a/doc/ref/api-data.texi b/doc/ref/api-data.texi
index 760318028..59d7db075 100644
--- a/doc/ref/api-data.texi
+++ b/doc/ref/api-data.texi
@@ -1,7 +1,7 @@
@c -*-texinfo-*-
@c This is part of the GNU Guile Reference Manual.
@c Copyright (C) 1996, 1997, 2000, 2001, 2002, 2003, 2004, 2006, 2007,
-@c 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc.
+@c 2008, 2009, 2010, 2011, 2012, 2013, 2014 Free Software Foundation, Inc.
@c See the file guile.texi for copying conditions.
@node Simple Data Types
@@ -318,7 +318,8 @@ Scheme integers can be exact and inexact. For example, a number
written as @code{3.0} with an explicit decimal-point is inexact, but
it is also an integer. The functions @code{integer?} and
@code{scm_is_integer} report true for such a number, but the functions
-@code{scm_is_signed_integer} and @code{scm_is_unsigned_integer} only
+@code{exact-integer?}, @code{scm_is_exact_integer},
+@code{scm_is_signed_integer}, and @code{scm_is_unsigned_integer} only
allow exact integers and thus report false. Likewise, the conversion
functions like @code{scm_to_signed_integer} only accept exact
integers.
@@ -333,7 +334,7 @@ will become exact fractions.)
@deffn {Scheme Procedure} integer? x
@deffnx {C Function} scm_integer_p (x)
Return @code{#t} if @var{x} is an exact or inexact integer number, else
-@code{#f}.
+return @code{#f}.
@lisp
(integer? 487)
@@ -346,7 +347,7 @@ Return @code{#t} if @var{x} is an exact or inexact integer number, else
@result{} #f
(integer? +inf.0)
-@result{} #t
+@result{} #f
@end lisp
@end deffn
@@ -354,6 +355,24 @@ Return @code{#t} if @var{x} is an exact or inexact integer number, else
This is equivalent to @code{scm_is_true (scm_integer_p (x))}.
@end deftypefn
+@deffn {Scheme Procedure} exact-integer? x
+@deffnx {C Function} scm_exact_integer_p (x)
+Return @code{#t} if @var{x} is an exact integer number, else
+return @code{#f}.
+
+@lisp
+(exact-integer? 37)
+@result{} #t
+
+(exact-integer? 3.0)
+@result{} #f
+@end lisp
+@end deffn
+
+@deftypefn {C Function} int scm_is_exact_integer (SCM x)
+This is equivalent to @code{scm_is_true (scm_exact_integer_p (x))}.
+@end deftypefn
+
@defvr {C Type} scm_t_int8
@defvrx {C Type} scm_t_uint8
@defvrx {C Type} scm_t_int16