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| type(fitpack_curve) function | fitpack_curves::new_from_points (x, y, w, ierr) |
| | Construct a fitpack_curve from data points and perform a default fit.
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| integer(fp_flag) function | fitpack_curves::new_fit (this, x, y, w, smoothing, order) |
| | Load new data points and perform a fresh fit.
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| elemental subroutine | fitpack_curves::destroy (this) |
| | Destroy a curve object and release all allocated memory.
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| subroutine | fitpack_curves::new_points (this, x, y, w) |
| | Load new data points into the curve, resetting all internal state.
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| real(fp_real) function | fitpack_curves::curve_eval_one (this, x, ierr) |
| | Evaluate the spline at a single point (with error flag).
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| pure real(fp_real) function | fitpack_curves::curve_eval_one_noerr (this, x) |
| | Evaluate the spline at a single point (pure, returns NaN on error).
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| real(fp_real) function, dimension(size(x)) | fitpack_curves::curve_eval_many (this, x, ierr) |
| | Evaluate the spline at multiple points (with error flag).
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| pure real(fp_real) function, dimension(size(x)) | fitpack_curves::curve_eval_many_pure (this, x) |
| | Evaluate the spline at multiple points (pure, returns NaN on error).
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| integer(fp_flag) function | fitpack_curves::interpolating_curve (this, order, reset_knots) |
| | Fit an interpolating spline ( \( s = 0 \)) through the data points.
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| integer(fp_flag) function | fitpack_curves::curve_fit_least_squares (this, smoothing, reset_knots) |
| | Fit a least-squares spline with fixed knots.
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| integer(fp_flag) function | fitpack_curves::curve_fit_automatic_knots (this, smoothing, order, keep_knots) |
| | Fit a smoothing spline with automatic knot placement (curfit / percur).
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| real(fp_real) function, dimension(size(x)) | fitpack_curves::curve_derivatives (this, x, order, ierr) |
| | Evaluate the k-th derivative at multiple points (with error flag).
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| real(fp_real) function, dimension(this%order+1) | fitpack_curves::curve_all_derivatives (this, x, ierr) |
| | Evaluate all derivatives \( s^{(j)}(x) \) for \( j = 0, \ldots, k \) (with error flag).
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| real(fp_real) function, dimension(this%order+1) | fitpack_curves::curve_all_derivatives_pure (this, x) |
| | Evaluate all derivatives \( s^{(j)}(x) \) for \( j = 0, \ldots, k \) (pure, NaN on error).
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| real(fp_real) function | fitpack_curves::curve_derivative (this, x, order, ierr) |
| | Evaluate the k-th derivative at a single point (with optional error flag).
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| real(fp_real) function | fitpack_curves::integral (this, from, to) |
| | Compute the definite integral \( \int_a^b s(x)\,dx \) via splint.
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| subroutine | fitpack_curves::fourier_coefficients (this, alpha, a, b, ierr) |
| | Compute Fourier sine and cosine coefficients of the spline.
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| real(fp_real) function, dimension(:), allocatable | fitpack_curves::zeros (this, ierr) |
| | Find all real zeros of a cubic spline \( s(x) = 0 \).
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| subroutine | fitpack_curves::grow_knot_storage (this) |
| | Grow the knot and coefficient arrays when storage is insufficient.
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| subroutine | fitpack_curves::curve_insert_knot_one (this, x, ierr) |
| | Insert a single knot into the B-spline representation.
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| subroutine | fitpack_curves::curve_insert_knot_many (this, x, ierr) |
| | Insert multiple knots into the B-spline representation.
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| elemental integer(fp_size) function | fitpack_curves::curve_comm_size (this) |
| | Return the communication buffer size (number of FP_COMM elements).
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| pure subroutine | fitpack_curves::curve_comm_pack (this, buffer) |
| | Pack curve data into a communication buffer for parallel transfer.
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| pure subroutine | fitpack_curves::curve_comm_expand (this, buffer) |
| | Expand curve data from a communication buffer.
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1.13.2