diff options
Diffstat (limited to 'doc/Number.3')
| -rw-r--r-- | doc/Number.3 | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/doc/Number.3 b/doc/Number.3 index f93d75d..f405060 100644 --- a/doc/Number.3 +++ b/doc/Number.3 @@ -50,7 +50,7 @@ Tcl recognizes many values as numbers. Several examples include: \fB"1_000_000"\fR, \fB"4.0"\fR, \fB"1e-7"\fR, \fB"NaN"\fR, or \fB"Inf"\fR. When built-in Tcl commands act on these values as numbers, they are converted to a numeric representation for efficient handling in C code. Tcl makes -use of three C types to store these representations: \fBdouble\fR, +use of three C types to store these representations: \fBdouble\fR, \fBTcl_WideInt\fR, and \fBmp_int\fR. The \fBdouble\fR type is provided by the C language standard. The \fBTcl_WideInt\fR type is declared in the Tcl header file, \fBtcl.h\fR, and is equivalent to the C standard type @@ -76,7 +76,7 @@ If Tcl does recognize the examined value as a number, both routines return and \fItypePtr\fR (which may not be NULL) to report information the caller can use to retrieve the numeric representation. Both routines write to *\fIclientDataPtr\fR a pointer to the internal storage location -where Tcl holds the converted numeric value. +where Tcl holds the converted numeric value. .PP When the converted numeric value is stored as a \fBdouble\fR, a call to math library routine \fBisnan\fR determines whether that @@ -91,13 +91,13 @@ the \fBdouble\fR numeric value may be read through it. .PP When the converted numeric value is stored as a \fBTcl_WideInt\fR, both \fBTcl_GetNumber\fR and \fBTcl_GetNumberFromObj\fR write the -value \fBTCL_NUMBER_INT\fR to *\fItypePtr\fR. +value \fBTCL_NUMBER_INT\fR to *\fItypePtr\fR. The storage pointer may be cast to type \fBconst Tcl_WideInt *\fR and the \fBTcl_WideInt\fR numeric value may be read through it. .PP When the converted numeric value is stored as an \fBmp_int\fR, both \fBTcl_GetNumber\fR and \fBTcl_GetNumberFromObj\fR write the -value \fBTCL_NUMBER_BIG\fR to *\fItypePtr\fR. +value \fBTCL_NUMBER_BIG\fR to *\fItypePtr\fR. The storage pointer may be cast to type \fBconst mp_int *\fR and the \fBmp_int\fR numeric value may be read through it. .PP |