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-rw-r--r--doc/CrtMathFnc.319
1 files changed, 10 insertions, 9 deletions
diff --git a/doc/CrtMathFnc.3 b/doc/CrtMathFnc.3
index 3f2c84e..0f101d7 100644
--- a/doc/CrtMathFnc.3
+++ b/doc/CrtMathFnc.3
@@ -5,8 +5,8 @@
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
-.so man.macros
.TH Tcl_CreateMathFunc 3 8.4 Tcl "Tcl Library Procedures"
+.so man.macros
.BS
.SH NAME
Tcl_CreateMathFunc, Tcl_GetMathFuncInfo, Tcl_ListMathFuncs \- Define, query and enumerate math functions for expressions
@@ -57,6 +57,7 @@ created if the function is not implemented directly in bytecode.
Pattern to match against function names so as to filter them (by
passing to \fITcl_StringMatch\fR), or NULL to not apply any filter.
.BE
+
.SH DESCRIPTION
.PP
Tcl allows a number of mathematical functions to be used in
@@ -84,9 +85,8 @@ or any, respectively.
Whenever the function is invoked in an expression Tcl will invoke
\fIproc\fR. \fIProc\fR should have arguments and result that match
the type \fBTcl_MathProc\fR:
-.PP
.CS
-typedef int \fBTcl_MathProc\fR(
+typedef int Tcl_MathProc(
ClientData \fIclientData\fR,
Tcl_Interp *\fIinterp\fR,
Tcl_Value *\fIargs\fR,
@@ -97,14 +97,13 @@ When \fIproc\fR is invoked the \fIclientData\fR and \fIinterp\fR
arguments will be the same as those passed to \fBTcl_CreateMathFunc\fR.
\fIArgs\fR will point to an array of \fInumArgs\fR Tcl_Value structures,
which describe the actual arguments to the function:
-.PP
.CS
typedef struct Tcl_Value {
- Tcl_ValueType \fItype\fR;
- long \fIintValue\fR;
- double \fIdoubleValue\fR;
- Tcl_WideInt \fIwideValue\fR;
-} \fBTcl_Value\fR;
+ Tcl_ValueType \fItype\fR;
+ long \fIintValue\fR;
+ double \fIdoubleValue\fR;
+ Tcl_WideInt \fIwideValue\fR;
+} Tcl_Value;
.CE
.PP
The \fItype\fR field indicates the type of the argument and is
@@ -149,7 +148,9 @@ pointed to by \fIargTypesPointer\fR.
\fBTcl_ListMathFuncs\fR returns a Tcl object containing a list of all
the math functions defined in the interpreter whose name matches
\fIpattern\fR. The returned object has a reference count of zero.
+
.SH "SEE ALSO"
expr(n), info(n), Tcl_CreateObjCommand(3), Tcl_Free(3), Tcl_NewListObj(3)
+
.SH KEYWORDS
expression, mathematical function