From 87dee7fd98539d1fbcbae1a1c0d5217a080de299 Mon Sep 17 00:00:00 2001
From: Arun Isaac
Date: Fri, 26 Feb 2021 19:25:31 +0530
Subject: Rename project to nsmc.

---
 scm/extent-sampling/wrap.scm | 365 -------------------------------------------
 1 file changed, 365 deletions(-)
 delete mode 100644 scm/extent-sampling/wrap.scm

(limited to 'scm/extent-sampling/wrap.scm')

diff --git a/scm/extent-sampling/wrap.scm b/scm/extent-sampling/wrap.scm
deleted file mode 100644
index 306caa4..0000000
--- a/scm/extent-sampling/wrap.scm
+++ /dev/null
@@ -1,365 +0,0 @@
-(define-module (extent-sampling wrap)
-  #:use-module (srfi srfi-1)
-  #:use-module (srfi srfi-26)
-  #:use-module (ice-9 match)
-  #:use-module (system foreign))
-
-(include "load-libs.scm")
-
-(define (make-gsl-alloc allocator-name allocator-args freer-name)
-  (lambda args
-    (let ((obj
-           (apply (pointer->procedure
-                   '* (dynamic-func allocator-name lib-gsl) allocator-args)
-                  args)))
-      (set-pointer-finalizer! obj (dynamic-func freer-name lib-gsl))
-      obj)))
-
-(define-public pi
-  ((pointer->procedure double
-                       (dynamic-func "pi" lib-extentsampling)
-                       (list))))
-
-(define-public volume-of-ball
-  (pointer->procedure double
-                      (dynamic-func "volume_of_ball" lib-extentsampling)
-                      (list int)))
-
-(define-public surface-area-of-ball
-  (pointer->procedure double
-                      (dynamic-func "surface_area_of_ball" lib-extentsampling)
-                      (list int)))
-
-(define-public (lower-incomplete-gamma s x)
-  (* ((pointer->procedure double
-                          (dynamic-func "gsl_sf_gamma" lib-gsl)
-                          (list double))
-      s)
-     ((pointer->procedure double
-                          (dynamic-func "gsl_sf_gamma_inc_P" lib-gsl)
-                          (list double double))
-      s x)))
-
-(define-public angle-between-vectors
-  (pointer->procedure double
-                      (dynamic-func "angle_between_vectors" lib-extentsampling)
-                      (list '* '*)))
-
-(define-public planar-angle->solid-angle
-  (pointer->procedure double
-                      (dynamic-func "planar_angle_to_solid_angle" lib-extentsampling)
-                      (list double int)))
-
-;; Random state
-
-(define %gsl-random-state
-  ((make-gsl-alloc "gsl_rng_alloc" (list '*) "gsl_rng_free")
-   (dereference-pointer
-    (dynamic-pointer "gsl_rng_default" lib-gsl))))
-
-(define-public (set-gsl-random-state! seed)
-  ((pointer->procedure void
-                       (dynamic-func "gsl_rng_set" lib-gsl)
-                       (list '* unsigned-long))
-   %gsl-random-state seed))
-
-(define-public random-flat
-  (cut (pointer->procedure double
-                           (dynamic-func "gsl_ran_flat" lib-gsl)
-                           (list '* double double))
-    %gsl-random-state <> <>))
-
-;; Vector functions
-
-(define vector-alloc
-  (make-gsl-alloc "gsl_vector_alloc" (list int) "gsl_vector_free"))
-
-(define-public (vector-size vector)
-  (match (parse-c-struct vector
-                         (list size_t size_t '* '* int))
-    ((size _ _ _ _) size)))
-
-(define-public (vector-scale! vector k)
-  "Scale VECTOR by a factor K."
-  ((pointer->procedure int
-                       (dynamic-func "gsl_vector_scale" lib-gsl)
-                       (list '* double))
-   vector k)
-  vector)
-
-(define-public (vector-norm2 vector)
-  ((pointer->procedure double
-                       (dynamic-func "gsl_blas_dnrm2" lib-gsl)
-                       (list '*))
-   vector))
-
-(define-public (vector-add! u v)
-  "Return the vector sum of vectors U and V. The sum is stored in U."
-  ((pointer->procedure int
-                       (dynamic-func "gsl_vector_add" lib-gsl)
-                       (list '* '*))
-   u v)
-  u)
-
-(define-public (basis n dimension)
-  "Return the basis vector in the Nth canonical direction."
-  (let ((vector (vector-alloc dimension)))
-    ((pointer->procedure void
-                         (dynamic-func "gsl_vector_set_basis" lib-gsl)
-                         (list '* int))
-     vector n)
-    vector))
-
-;; Histogram functions
-
-(define histogram-struct
-  (list size_t '* '*))
-
-(define (histogram-alloc bins min max)
-  (let ((histogram
-         ((make-gsl-alloc "gsl_histogram_alloc" (list size_t) "gsl_histogram_free")
-          bins)))
-    ((pointer->procedure int
-                         (dynamic-func "gsl_histogram_set_ranges_uniform" lib-gsl)
-                         (list '* double double))
-     histogram min max)
-    histogram))
-
-(define-public (histogram->points histogram)
-  (match (parse-c-struct histogram histogram-struct)
-    ((n range bin)
-     (let ((range (array->list (pointer->bytevector range (1+ n) 0 'f64))))
-       (map cons
-            (drop-right range 1)
-            (array->list (pointer->bytevector bin n 0 'f64)))))))
-
-(define-public (histogram->pdf histogram)
-  (match (parse-c-struct histogram histogram-struct)
-    ((n range bin)
-     (let ((range (pointer->bytevector range (1+ n) 0 'f64)))
-       ((pointer->procedure int
-                            (dynamic-func "gsl_histogram_scale" lib-extentsampling)
-                            (list '* double))
-        histogram
-        (/ n
-           (- (array-ref range n)
-              (array-ref range 0))
-           (fold + 0 (array->list (pointer->bytevector bin n 0 'f64)))))
-       histogram))))
-
-(define-public (rhistogram bins min max)
-  (case-lambda
-    (() (histogram-alloc bins min max))
-    ((histogram) histogram)
-    ((histogram input)
-     ((pointer->procedure int
-                          (dynamic-func "gsl_histogram_increment" lib-extentsampling)
-                          (list '* double))
-      histogram input)
-     histogram)))
-
-;; Running statistics
-
-(define rstat-alloc
-  (make-gsl-alloc "gsl_rstat_alloc" (list) "gsl_rstat_free"))
-
-(define-public rstat-n
-  (pointer->procedure size_t
-                      (dynamic-func "gsl_rstat_n" lib-extentsampling)
-                      (list '*)))
-
-;; Polynomial functions
-
-(define-public (polyval coefficients x)
-  ((pointer->procedure double
-                       (dynamic-func "gsl_poly_eval" lib-gsl)
-                       (list '* int double))
-   (bytevector->pointer (list->typed-array 'f64 1 coefficients))
-   (length coefficients)
-   x))
-
-;; nd-random
-
-(define-public (random-direction-vector dimension)
-  (let ((vector (vector-alloc dimension)))
-    ((pointer->procedure void
-                         (dynamic-func "random_direction_vector" lib-extentsampling)
-                         (list '* '*))
-     %gsl-random-state vector)
-    vector))
-
-(define-public (subsampling-random-vector mean max-theta)
-  (let ((vector (vector-alloc (vector-size mean))))
-    ((pointer->procedure void
-                         (dynamic-func "subsampling_random_vector" lib-extentsampling)
-                         (list '* '* double '*))
-     %gsl-random-state mean max-theta vector)
-    vector))
-
-(define-public (shifted-gaussian-random-vector mean max-theta standard-deviation)
-  (let* ((vector (vector-alloc (vector-size mean)))
-         (cost
-          ((pointer->procedure int
-                               (dynamic-func "shifted_gaussian_random_vector" lib-extentsampling)
-                               (list '* '* double double '*))
-           %gsl-random-state mean max-theta standard-deviation vector)))
-    vector))
-
-(define-public (shifted-gaussian-random-vector-cost mean max-theta standard-deviation)
-  ((pointer->procedure int
-                         (dynamic-func "shifted_gaussian_random_vector" lib-extentsampling)
-                         (list '* '* double double '*))
-   %gsl-random-state mean max-theta standard-deviation (vector-alloc (vector-size mean))))
-
-(define %integration-workspace
-  ((make-gsl-alloc "gsl_integration_workspace_alloc" (list size_t) "gsl_integration_workspace_free")
-   1000))
-
-(define-public (shifted-gaussian-pdf theta mean max-theta standard-deviation)
-  ((pointer->procedure double
-                       (dynamic-func "shifted_gaussian_pdf" lib-extentsampling)
-                       (list double double double double unsigned-int '*))
-   theta (vector-norm2 mean) max-theta standard-deviation (vector-size mean) %integration-workspace))
-
-;; oracles
-
-(define (make-extent-oracle oracle params)
-  (make-c-struct (list '* '*)
-                 (list oracle params)))
-
-(define (make-bernoulli-params p r0 r1)
-  (make-c-struct (list double double double)
-                 (list p r0 r1)))
-
-(define-public (make-bernoulli-oracle p r0 r1)
-  (make-extent-oracle (dynamic-func "bernoulli_extent_oracle" lib-extentsampling)
-                      (make-bernoulli-params p r0 r1)))
-
-(define (true-volume-procedure name)
-  (pointer->procedure double
-                      (dynamic-func name lib-extentsampling)
-                      (list unsigned-int '*)))
-
-(define-public (bernoulli-true-volume p r0 r1 dimension)
-  ((true-volume-procedure "bernoulli_true_volume")
-   dimension (make-bernoulli-params p r0 r1)))
-
-(define (make-uniform-params a b)
-  (make-c-struct (list double double)
-                 (list a b)))
-
-(define-public (make-uniform-oracle a b)
-  (make-extent-oracle (dynamic-func "uniform_extent_oracle" lib-extentsampling)
-                      (make-uniform-params a b)))
-
-(define-public (uniform-true-volume a b dimension)
-  ((true-volume-procedure "uniform_true_volume")
-   dimension (make-uniform-params a b)))
-
-(define (make-beta-params alpha beta)
-  (make-c-struct (list double double)
-                 (list alpha beta)))
-
-(define-public (make-beta-oracle alpha beta)
-  (make-extent-oracle (dynamic-func "beta_extent_oracle" lib-extentsampling)
-                      (make-beta-params alpha beta)))
-
-(define-public (beta-true-volume alpha beta dimension)
-  ((true-volume-procedure "beta_true_volume")
-   dimension (make-beta-params alpha beta)))
-
-(define (make-cube-params edge)
-  (make-c-struct (list double) (list edge)))
-
-(define-public (make-cube-oracle edge)
-  (make-extent-oracle (dynamic-func "cube_extent_oracle" lib-extentsampling)
-                      (make-cube-params edge)))
-
-(define-public (cube-true-volume edge dimension)
-  ((true-volume-procedure "cube_true_volume")
-   dimension (make-cube-params edge)))
-
-(define (make-spheroid-params eccentricity)
-  (make-c-struct (list double) (list eccentricity)))
-
-(define-public (make-spheroid-oracle eccentricity)
-  (make-extent-oracle (dynamic-func "spheroid_extent_oracle" lib-extentsampling)
-                      (make-spheroid-params eccentricity)))
-
-(define-public (spheroid-true-volume eccentricity dimension)
-  ((true-volume-procedure "spheroid_true_volume")
-   dimension (make-spheroid-params eccentricity)))
-
-;; integrands
-
-(define (make-integrand integrand params)
-  (make-c-struct (list '* '*)
-                 (list integrand params)))
-
-(define-public (make-polynomial-integrand polynomial)
-  (make-integrand (dynamic-func "polynomial_integrand" lib-extentsampling)
-                  (make-c-struct (list '* int)
-                                 (list (bytevector->pointer
-                                        (list->typed-array 'f64 1 polynomial))
-                                       (1- (length polynomial))))))
-
-(define-public gaussian-integrand
-  (make-integrand (dynamic-func "gaussian_integrand" lib-extentsampling)
-                  %null-pointer))
-
-(define-public x-coordinate-integrand
-  (make-integrand (dynamic-func "x_coordinate_integrand" lib-extentsampling)
-                  %null-pointer))
-
-;; extent-sampling
-
-(define maybe-procedure->extent-oracle
-  (match-lambda
-    ((? procedure? proc)
-     (make-extent-oracle
-      (procedure->pointer double
-                          (lambda (r x params)
-                            (proc r x))
-                          (list '* '* '*))
-      %null-pointer))
-    (extent-oracle extent-oracle)))
-
-(define maybe-procedure->integrand
-  (match-lambda
-    ((?  procedure? integrand)
-     (make-integrand
-      (procedure->pointer double
-                          (lambda (r x params)
-                            (integrand r x))
-                          (list double '* '*))
-      %null-pointer))
-    (integrand integrand)))
-
-(define-public (volume extent-oracle true-volume dimension rtol)
-  (let ((stats (rstat-alloc)))
-    ((pointer->procedure double
-                         (dynamic-func "volume" lib-extentsampling)
-                         (list '* double '* unsigned-int double '*))
-     (maybe-procedure->extent-oracle extent-oracle)
-     true-volume %gsl-random-state dimension rtol stats)
-    (rstat-n stats)))
-
-(define-public (volume-window extent-oracle true-volume dimension rtol)
-  (let ((samples (make-c-struct (list unsigned-int) (list 0))))
-    ((pointer->procedure double
-                         (dynamic-func "volume_window" lib-extentsampling)
-                         (list '* double '* unsigned-int double '*))
-     (maybe-procedure->extent-oracle extent-oracle)
-     true-volume %gsl-random-state dimension rtol samples)
-    (match (parse-c-struct samples (list unsigned-int))
-      ((samples) samples))))
-
-(define-public (integral integrand extent-oracle true-integral dimension rtol)
-  (let ((stats (rstat-alloc)))
-    ((pointer->procedure double
-                         (dynamic-func "integral" lib-extentsampling)
-                         (list '* '* double '* unsigned-int double '*))
-     (maybe-procedure->integrand integrand)
-     (maybe-procedure->extent-oracle extent-oracle)
-     true-integral %gsl-random-state dimension rtol stats)
-    (rstat-n stats)))
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