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[//]: # (generated using SlashBack 0.2.0)
# ulp methods
The following methods are all part of the **ulp methods**\.
Allow the measurement of the accuracy of a function against a reference implementation\. This extension works on floating\-point data and provide results in ULP\.
## Table of contents
* [**float\_distance** function](#float_distance-function)
* [**next\_float** function](#next_float-function)
* [**prev\_float** function](#prev_float-function)
### float\_distance\(\) function
#### <code>glm.<code>**float_distance**(**x**: *float*, **y**: *float*) -\> *float*</code></code>
  Return the distance in the number of ULP between 2 double\-precision floating\-point scalars\.
#### <code>glm.<code>**float_distance**(**x**: *fvecN*, **y**: *fvecN*) -\> *ivecN*</code></code>
  Return the distance in the number of ULP between 2 single\-precision floating\-point scalars\.
#### <code>glm.<code>**float_distance**(**x**: *dvecN*, **y**: *dvecN*) -\> *i64vecN*</code></code>
  Return the distance in the number of ULP between 2 double\-precision floating\-point scalars\.
### next\_float\(\) function
#### <code>glm.<code>**next_float**(**x**: *float*) -\> *float*</code></code>
  Return the next ULP value\(s\) after the input value\(s\)\.
#### <code>glm.<code>**next_float**(**x**: *vecN*) -\> *vecN*</code></code>
  Return the next ULP value\(s\) after the input value\(s\)\.
#### <code>glm.<code>**next_float**(**x**: *float*, **ULPs**: *float*) -\> *float*</code></code>
  Return the next ULP value\(s\) after the input value\(s\)\.
#### <code>glm.<code>**next_float**(**x**: *vecN*, **ULPs**: *float*) -\> *vecN*</code></code>
  Return the next ULP value\(s\) after the input value\(s\)\.
#### <code>glm.<code>**next_float**(**x**: *vecN*, **ULPs**: *ivecN*) -\> *float*</code></code>
  Return the next ULP value\(s\) after the input value\(s\)\.
### prev\_float\(\) function
#### <code>glm.<code>**prev_float**(**x**: *float*) -\> *float*</code></code>
  Return the previous ULP value\(s\) before the input value\(s\)\.
#### <code>glm.<code>**prev_float**(**x**: *vecN*) -\> *vecN*</code></code>
  Return the previous ULP value\(s\) before the input value\(s\)\.
#### <code>glm.<code>**prev_float**(**x**: *float*, **ULPs**: *float*) -\> *float*</code></code>
  Return the previous ULP value\(s\) before the input value\(s\)\.
#### <code>glm.<code>**prev_float**(**x**: *vecN*, **ULPs**: *float*) -\> *vecN*</code></code>
  Return the previous ULP value\(s\) before the input value\(s\)\.
#### <code>glm.<code>**prev_float**(**x**: *vecN*, **ULPs**: *ivecN*) -\> *float*</code></code>
  Return the previous ULP value\(s\) before the input value\(s\)\.
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