8.5 Math

[132] tcl_precision – Default 0, ignore!

Internals for floating point rewritten to automatically work with best possible precision.

Now: “… formatted using the smallest number of decimal digits required to distinguish it from the next floating point number above it and the next floating point number below”

set tcl_precision 0

set a [expr 1.00000000000123]

=> 1.00000000000123

set b [expr 1.0]

=> 1.0

expr { $a == $b }

=> 0

expr { $a eq $b }

=> 0