Apparatus, method, and storage medium

A method comprising the steps of:

• determining, based on input data, a first reference address indicating a plurality of interpolation ranges for calculating quadratic function coefficients and an interpolation distance including the plurality of interpolation ranges;
• calculating the quadratic function coefficients based on the first reference address;
• performing cut-out processing for the interpolation distance represented by bits and outputting cut-out data as an adjustment interpolation distance;
• and
• calculating output data by performing a quadratic interpolation computation based on the quadratic function coefficients and the adjustment interpolation distance.

A non-transitory computer readable storage medium storing a program for causing a computer to perform a control method of an apparatus, the control method comprising the steps of:

• determining, based on input data, a first reference address indicating a plurality of interpolation ranges for calculating quadratic function coefficients and an interpolation distance including the plurality of interpolation ranges;
• calculating the quadratic function coefficients based on the first reference address;
• performing cut-out processing for the interpolation distance represented by bits and outputting cut-out data as an adjustment interpolation distance;
• and
• calculating output data by performing a quadratic interpolation computation based on the quadratic function coefficients and the adjustment interpolation distance.