Tcl API Reference -- ns_set_precision

### ns_set_precision

#### Overview

Set precision for floating-point to string conversions

#### Syntax

ns_set_precision precision

#### Description

The precision argument is a decimal number specifying the number of significant digits to include when converting floating-point numbers to strings. The default number of significant digits used is 6 digits. You can set precision to 17 for conversions with IEEE floating-point numbers to allow double-precision values to be converted to strings and back to binary with no loss of precision.

#### Notes

This function replaces the tcl_precision variable, which is not recognized by expr.

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