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docs tweak

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This commit is contained in:
John Cupitt 2016-07-08 12:18:07 +01:00
parent 0f2d1a6b0b
commit de981cd9ec
1 changed files with 3 additions and 2 deletions
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libvips/create/buildlut.c
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@ -278,7 +278,8 @@ vips_buildlut_init( VipsBuildlut *lut )
*
* This operation builds a lookup table from a set of points. Intermediate
* values are generated by piecewise linear interpolation. The lookup table is
* always of type %gdouble, use vips_cast() to change it to the type you need.
* always of type #VIPS_FORMAT_DOUBLE, use vips_cast() to change it to the
* type you need.
*
* For example, consider this 2 x 2 matrix of (x, y) coordinates:
*
@ -331,7 +332,7 @@ vips_buildlut_init( VipsBuildlut *lut )
* several Ys, each becomes a band in the output LUT. You don't need to
* start at zero, any integer will do, including negatives.
*
* See also: vips_identity(), vips_invertlut().
* See also: vips_identity(), vips_invertlut(), vips_cast(), vips_maplut().
*
* Returns: 0 on success, -1 on error
*/