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Overview
| Comment: | Disable the atof1.test module when compiling on MSVC. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | floating-point-conversions |
| Files: | files | file ages | folders |
| SHA1: |
0f706acfc7181f2714a06b2c232677eb |
| User & Date: | drh 2012-06-21 15:02:26 |
Context
|
2012-06-21
| ||
| 15:22 | Merge changes to trunk that ensure that floating point values are exactly preserved on a round-trip through ".dump". check-in: 4cebd607 user: drh tags: trunk | |
| 15:02 | Disable the atof1.test module when compiling on MSVC. Closed-Leaf check-in: 0f706acf user: drh tags: floating-point-conversions | |
|
2012-06-19
| ||
| 04:36 | Move variable declaration to fix compilation with MSVC. check-in: d45f7a01 user: mistachkin tags: floating-point-conversions | |
Changes
Changes to src/test_config.c.
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LINKVAR( MAX_DEFAULT_PAGE_SIZE );
{
static const int cv_TEMP_STORE = SQLITE_TEMP_STORE;
Tcl_LinkVar(interp, "TEMP_STORE", (char *)&(cv_TEMP_STORE),
TCL_LINK_INT | TCL_LINK_READ_ONLY);
}
}
/*
** Register commands with the TCL interpreter.
*/
int Sqliteconfig_Init(Tcl_Interp *interp){
set_options(interp);
return TCL_OK;
}
|
> > > > > > > > > > > > > > > |
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LINKVAR( MAX_DEFAULT_PAGE_SIZE );
{
static const int cv_TEMP_STORE = SQLITE_TEMP_STORE;
Tcl_LinkVar(interp, "TEMP_STORE", (char *)&(cv_TEMP_STORE),
TCL_LINK_INT | TCL_LINK_READ_ONLY);
}
#ifdef _MSC_VER
{
static const int cv__MSC_VER = 1;
Tcl_LinkVar(interp, "_MSC_VER", (char *)&(cv__MSC_VER),
TCL_LINK_INT | TCL_LINK_READ_ONLY);
}
#endif
#ifdef __GNUC__
{
static const int cv___GNUC__ = 1;
Tcl_LinkVar(interp, "__GNUC__", (char *)&(cv___GNUC__),
TCL_LINK_INT | TCL_LINK_READ_ONLY);
}
#endif
}
/*
** Register commands with the TCL interpreter.
*/
int Sqliteconfig_Init(Tcl_Interp *interp){
set_options(interp);
return TCL_OK;
}
|
Changes to test/atof1.test.
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#***********************************************************************
#
# Tests of the sqlite3AtoF() function.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
expr srand(1)
for {set i 1} {$i<20000} {incr i} {
set pow [expr {int((rand()-0.5)*100)}]
set x [expr {pow((rand()-0.5)*2*rand(),$pow)}]
set xf [format %.32e $x]
# Verify that text->real conversions get exactly same ieee754 floating-
# point value in SQLite as they do in TCL.
#
do_test 1.$i.1 {
set y [db eval "SELECT $xf=\$x"]
if {!$y} {
puts -nonewline \173[db eval "SELECT real2hex($xf), real2hex(\$x)"]\175
db eval "SELECT $xf+0.0 AS a, \$x AS b" {
puts [format "\n%.60e\n%.60e\n%.60e" $x $a $b]
}
}
set y
} {1}
# Verify that round-trip real->text->real conversions using the quote()
# function preserve the bits of the numeric value exactly.
#
do_test 1.$i.2 {
set y [db eval {SELECT $x=CAST(quote($x) AS real)}]
if {!$y} {
db eval {SELECT real2hex($x) a, real2hex(CAST(quote($x) AS real)) b} {}
puts "\nIN: $a $xf"
puts [format {QUOTE: %16s %s} {} [db eval {SELECT quote($x)}]]
db eval {SELECT CAST(quote($x) AS real) c} {}
puts "OUT: $b [format %.32e $c]"
|
> > > > > | | |
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#*********************************************************************** # # Tests of the sqlite3AtoF() function. # set testdir [file dirname $argv0] source $testdir/tester.tcl if {![info exists __GNUC__]} { finish_test return } expr srand(1) for {set i 1} {$i<20000} {incr i} { set pow [expr {int((rand()-0.5)*100)}] set x [expr {pow((rand()-0.5)*2*rand(),$pow)}] set xf [format %.32e $x] # Verify that text->real conversions get exactly same ieee754 floating- # point value in SQLite as they do in TCL. # do_test atof1-1.$i.1 { set y [db eval "SELECT $xf=\$x"] if {!$y} { puts -nonewline \173[db eval "SELECT real2hex($xf), real2hex(\$x)"]\175 db eval "SELECT $xf+0.0 AS a, \$x AS b" { puts [format "\n%.60e\n%.60e\n%.60e" $x $a $b] } } set y } {1} # Verify that round-trip real->text->real conversions using the quote() # function preserve the bits of the numeric value exactly. # do_test atof1-1.$i.2 { set y [db eval {SELECT $x=CAST(quote($x) AS real)}] if {!$y} { db eval {SELECT real2hex($x) a, real2hex(CAST(quote($x) AS real)) b} {} puts "\nIN: $a $xf" puts [format {QUOTE: %16s %s} {} [db eval {SELECT quote($x)}]] db eval {SELECT CAST(quote($x) AS real) c} {} puts "OUT: $b [format %.32e $c]" |