Vips.check_separable
Description: Reference for Vips.check_separable

### Function

# Vipscheck_separable

#### Declaration [src]

    int
    vips_check_separable (
      const char* domain,
      VipsImage* im
    )

#### Description [src]

Separable matrix images must have width or height 1. Return 0 if the image will pass, or -1 and set an error message otherwise.

See also

`vips_error()`.

#### Parameters

`domain`

  Type: `const char*`

  The originating domain for the error message.

  The data is owned by the caller of the function.
  The value is a NUL terminated UTF-8 string.

`im`

  Type: `VipsImage`

  Image to check.

  The data is owned by the caller of the function.

#### Return value

Type: `int`

0 if OK, -1 otherwise.