Compiling libming 0.4.8 produces this warning:

```
shape_util.c:229:7: warning: using integer absolute value function 'abs' when argument is of floating point type [-Wabsolute-value]
        if ( abs(delta) >= 360)
             ^
shape_util.c:229:7: note: use function 'fabs' instead
        if ( abs(delta) >= 360)
             ^~~
             fabs
1 warning generated.
```
using integer absolute value function 'abs' when argument is of floating point type
This is a GitHub Issue
repo:libming
owner:libming
Title : using integer absolute value function 'abs' when argument is of floating point type
Issue date:

--- start body ---
Compiling libming 0.4.8 produces this warning:

```
shape_util.c:229:7: warning: using integer absolute value function 'abs' when argument is of floating point type [-Wabsolute-value]
        if ( abs(delta) >= 360)
             ^
shape_util.c:229:7: note: use function 'fabs' instead
        if ( abs(delta) >= 360)
             ^~~
             fabs
1 warning generated.
```
--- end body ---
