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# assertion_traits< double > Struct Template Reference

Traits used by CPPUNIT_ASSERT_DOUBLES_EQUAL(). More...

`#include <TestAssert.h>`

List of all members.

## Static Public Member Functions
static bool | equal (double x, double y)
static std::string | toString (double x)

## Detailed Description

### template<>
struct assertion_traits< double >

Traits used by CPPUNIT_ASSERT_DOUBLES_EQUAL().

This specialisation from `struct` `assertion_traits<>` ensures that doubles are converted in full, instead of being rounded to the default 6 digits of precision. Use the system defined ISO C99 macro DBL_DIG within float.h is available to define the maximum precision, otherwise use the hard-coded maximum precision of 15.

## Member Function Documentation

static bool assertion_traits< double >::equal | ( | double | x,
|  | double | y |
| ) |  |  | `[inline, static]`

static std::string assertion_traits< double >::toString | ( | double | x | ) | `[inline, static]`

The documentation for this struct was generated from the following file:

- TestAssert.h

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