pub type VipsOperationMath2 = c_uint;
VipsOperationMath2: @VIPS_OPERATION_MATH2_POW: pow(left, right) @VIPS_OPERATION_MATH2_WOP: pow(right, left) @VIPS_OPERATION_MATH2_ATAN2: atan2(left, right)
See also: vips_math().