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2021-06-30Implement offcenter volume experiments.Arun Isaac
* src/volume-bodies.sc: Implement offcenter volume experiments.
2021-06-30Add offcenter ellipsoid extent oracle.Arun Isaac
* src/oracles.sc: Include gsl/gsl_poly.h. (ellipsoid-extent-oracle-with-center): New function. * include/oracles.h (ellipsoid_params): Add center member. (ellipsoid_extent_oracle_with_center): Declare it.
2021-06-30Implement window stopping criterion for integrals.Arun Isaac
* src/extent-sampling.sc (integral): Implement window stopping criterion.
2021-06-30Support sampling in sphere.Arun Isaac
* src/nd-random.sc (random-vector-in-sphere): New function. * include/nd-random.h (random_vector_in_sphere): Declare it.
2021-05-07Implement spheroid importance sampling experiments.Arun Isaac
* src/spheroid.sc: New file. * CMakeLists.txt: Add spheroid executable.
2021-05-07Implement volume of bodies experiments.Arun Isaac
* src/volume-bodies.sc: New file. * CMakeLists.txt: Add volume-bodies executable.
2021-05-07Implement integral experiments.Arun Isaac
* src/integral.sc: New file. * CMakeLists.txt: Explicitly specify sources for nsmc library. Add integral executable.
2021-05-07Use window stopping criterion for volume.Arun Isaac
* src/extent-sampling.sc (volume): Use window stopping criterion.
2021-05-07Treat extent oracles and integrands as const arguments.Arun Isaac
* include/extent-sampling.h (volume, volume_cone, volume_importance, integral): Pass extent oracle and integrand as const arguments. * src/extent-sampling.sc (volume, volume_cone, volume_importance, integral, integral-per-direction): Likewise.
2021-05-07Do not pass rng to integral-per-direction.Arun Isaac
integral-per-direction should be purely deterministic. * src/extent-sampling.sc (integral-per-direction): Do not accept rng as argument. (integral): Do not pass rng to integral-per-direction.
2021-05-07Define with-file and with-data-file sc macros.Arun Isaac
* src/macros/macros.sc (with-file, with-data-file): New macros.
2021-05-07Move with-rstats and define with-rstats* sc macros.Arun Isaac
* src/extent-sampling.sc (with-rstats): Move to ... * src/macros/macros.sc (with-rstats): ... to here. (with-rstats*): New macro.
2021-05-07Define with-rng sc macro.Arun Isaac
* src/macros/macros.sc (with-rng): New macro.
2021-05-07Move with-vector to macros.sc.Arun Isaac
* src/extent-sampling.sc (with-vector): Move to ... * src/macros/macros.sc (with-vector): ... here.
2021-05-07Define for-i-step sc macro.Arun Isaac
* src/macros/macros.sc (for-i-step): New macro.
2021-05-07Define when and unless sc macros.Arun Isaac
* src/macros/macros.sc (when, unless): New macros.
2021-05-07Add rtol? predicate.Arun Isaac
* src/utils.sc (rtol?): New function. * include/utils.h (rtol_p): Declare it.
2021-04-20Do not return volume or integral estimate.Arun Isaac
We are already passing in the true volume or integral, and checking that the estimate is within the required tolerance. What is the point in returning the estimate to the caller. * include/extent-sampling.h (volume, integral): Return nothing. * src/extent-sampling.sc (volume, integral): Return nothing. * scm/nsmc/wrap.scm (volume, integral): Accept no return value from C function.
2021-04-20Return the first accurate estimate.Arun Isaac
* include/extent-sampling.h (volume_window): Delete function. * src/extent-sampling.sc (integral, volume): Return the first accurate estimate. (volume-window): Delete function. * scm/nsmc/wrap.scm (volume-window): Delete function.
2021-04-08Rename volume-experiment to volume-importance.Arun Isaac
* src/extent-sampling.sc, include/extent-sampling.h (volume-experiment): Rename to volume-importance.
2021-03-16Deal in solid angle fractions, not absolute solid angles.Arun Isaac
* src/extent-sampling.sc (volume-cone): Use solid-angle-fraction->planar-angle instead of solid-angle->planar-angle. * src/nd-random.sc (planar-angle->solid-angle): Rename to planar-angle->solid-angle-fraction and return a solid angle fraction. (solid-angle->planar-angle): Rename to solid-angle-fraction->planar-angle and accept a solid angle fraction. (hollow-cone-random-vector): Use planar-angle->solid-angle-fraction instead of planar-angle->solid-angle. (beta-inc-unnormalized, incomplete-wallis-integral): Delete functions. * include/nd-random.h (planar_angle_to_solid_angle): Rename to planar_angle_to_solid_angle_fraction. (solid_angle_to_planar_angle): Rename to solid_angle_fraction_to_planar_angle. * scm/nsmc/wrap.scm (planar-angle->solid-angle): Rename to planar-angle->solid-angle-fraction.
2021-03-16Fix edge case when vectors around the nth canonical axis are required.Arun Isaac
* src/nd-random.sc (rotate-from-nth-canonical): Do nothing when vectors around the nth canonical axis are required.
2021-03-16Implement simplified cone sampling algorithm.Arun Isaac
* src/nd-random.sc (hollow-cone-random-vector): Implement simplified algorithm that directly samples the surface of the sphere instead of sampling a disk and projecting it onto the surface.
2021-02-26Add copyright and license headers for all files.Arun Isaac
* include/extent-sampling.h, include/gaussian-nd-random.h, include/integrands.h, include/nd-random.h, include/oracles.h, include/utils.h, src/extent-sampling.sc, src/gaussian-nd-random.sc, src/integrands.sc, src/macros/macros.sc, src/nd-random.sc, src/oracles.sc, src/utils.sc, CMakeLists.txt, pre-inst-env.in: Add copyright and license headers.
2021-02-26Rename subsampling-random-vector to cone-random-vector.Arun Isaac
* scm/nsmc/wrap.scm: (subsampling-random-vector): Rename to cone-random-vector. * src/nd-random.sc (subsampling-random-vector): Rename to cone-random-vector. * include/nd-random.h (subsampling_random_vector): Rename to cone_random_vector.
2021-02-26Remove unused neval variable.Arun Isaac
* src/extent-sampling.sc (integral-per-direction): Remove neval from function arguments. (integral): Adjust integral-per-direction function call.
2021-02-24Remove workaround for sph-sc negation bug.Arun Isaac
The bug has been fixed upstream. * src/integrands.sc (gaussian-integrand): Remove workaround for sph-sc negation bug.
2021-02-23Implement the lower incomplete gamma function as a scheme wrapper.Arun Isaac
With this change, the wrapper around the gsl lower incomplete gamma function is directly in scheme. Earlier, there was one layer of wrapping in C which needed to be wrapped again in scheme. * include/utils.h (lower_incomplete_gamma): Delete function. * src/utils.sc (lower-incomplete-gamma): Delete function. * scm/extent-sampling/wrap.scm (lower-incomplete-gamma): New function.
2021-02-23Provide test integrals.Arun Isaac
* include/integrands.h, src/integrands.sc: New files.
2021-02-23Redefine integrand_t as a struct.Arun Isaac
This change will make it easier for the scheme wrapper to curry integrands. * include/extent-sampling.h (integrand_t): Redefine type as struct. (integral): Pass pointer to integrand_t. * src/extent-sampling.sc (integral-per-direction, integral): Handle new integrand-t type. (invoke-integrand): New sc macro.
2021-02-23Implement uniform-true-volume without log.Arun Isaac
Logarithmic functions trip up when their parameter is 0. * src/oracles.sc (uniform-true-volume): Implement without log.
2021-02-23Rename function scope params argument to avoid name conflict.Arun Isaac
* src/oracles.sc (bernoulli-extent-oracle, bernoulli-true-volume, uniform-extent-oracle, uniform-true-volume, beta-extent-oracle, beta-true-volume, cube-extent-oracle, cube-extent-oracle-with-center, cube-true-volume, ellipsoid-extent-oracle, ellipsoid-true-volume, spheroid-extent-oracle, spheroid-true-volume): Rename params argument to -params.
2021-02-11Pass extent-oracle-t as pointer.Arun Isaac
* include/extent-sampling.h (volume, volume_window, integral, volume_cone, volume_experiment): Pass extent_oracle_t as pointer. * src/extent-sampling.sc: Likewise.
2021-02-11Change extent oracle and true volume prototypes.Arun Isaac
This change will make it easier for the scheme wrapper to curry extent oracles. * include/extent-sampling.h (extent_oracle_t): Define as a struct that bundles the parameters required by the actual extent oracle. * include/oracles.h (bernoulli_params, uniform_params, beta_params, cube_params, ellipsoid_params, spheroid_params): New types. (bernoulli_extent_generator, uniform_extent_generator, beta_extent_generator): Rename to bernoulli_extent_oracle, uniform_extent_oracle, beta_extent_oracle respectively and change to the new extent oracle prototype. (bernoulli_true_volume, uniform_true_volume, beta_true_volume, cube_extent_oracle, cube_extent_oracle_with_center, cube_true_volume, ellipsoid_extent_oracle, ellipsoid_true_volume, spheroid_extent_oracle, spheroid_true_volume): Change to new extent oracle and true volume prototypes. * src/oracles.sc: Likewise. * src/extent-sampling.sc (invoke-extent-oracle): New macro. (volume, volume-window, integral, volume-cone): Call using new extent oracle prototype.
2021-02-11Remove unnecessary whitespace.Arun Isaac
* src/nd-random.sc (solid-angle->planar-angle): Remove unnecessary whitespace at the beginning of the line.
2021-02-11Remove cube maximum extent function.Arun Isaac
We are not using maximum extent functions anymore. * src/oracles.sc (cube-maximum-extent): Delete function. * include/oracles.h (cube-maximum-extent): Delete function declaration.
2021-02-10Remove unnecessary solver type variable.Arun Isaac
* src/utils.sc (with-root-fsolver): Rewrite without a temporary solver type variable.
2021-02-10Fix collision between solver type and solver type variable.Arun Isaac
* src/utils.sc (with-root-fsolver): Fix collision between solver type and solver type variable.
2021-02-10Declare planar, solid angle conversion functions as public.Arun Isaac
* src/nd-random.sc (planar-angle->solid-angle, solid-angle->planar-angle): Declare these to be a part of the public interface of the module.
2021-02-05Use let* instead of declare and set.Arun Isaac
* src/macros/macros.sc (with-alloc): Use let* instead of declare and set.
2021-02-05Replace underscores in identifiers with hyphens.Arun Isaac
* src/utils.sc (angle-between-vectors, gaussian-cdf, bisection, bisection-rlimit): Replace underscores in identifiers with hyphens.
2021-02-05Migrate C source to SC.Arun Isaac
sph-sc is a scheme-like S-expression syntax for C. It elements much of the pain and repetition involved in writing C syntax. * src/extent-sampling.c, src/gaussian-nd-random.c, src/nd-random.c, src/oracles.c, src/utils.c: Delete files. * src/extent-sampling.sc, src/gaussian-nd-random.sc, src/macros/macros.sc, src/nd-random.sc, src/oracles.sc, src/utils.sc: New files. * CMakeLists.txt: Generate C source files from SC source files.
2021-02-05Declare infinity_norm as static.Arun Isaac
* src/oracles.c (infinity_norm): Declare as static.
2021-02-05Remove unused geometric progression functions.Arun Isaac
* include/utils.h (gprate, gpterm): Delete function prototype declarations. * src/utils.c (gprate, gpterm): Delete functions.
2021-02-05Remove unused extent oracles.Arun Isaac
* include/oracles.c (symmetric_spiral_extent_oracle, right_triangle_extent_oracle, right_triangle_true_volume, sphere_extent_oracle, sphere_maximum_extent, plane_extent_oracle): Delete function prototype declarations. * src/oracles.c (symmetric_spiral_extent_oracle, right_triangle_extent_oracle, right_triangle_true_volume, sphere_extent_oracle, sphere_maximum_extent, plane_extent_oracle): Delete functions.
2021-02-03Move source files and headers to separate directories.Arun Isaac
* extent-sampling.h, gaussian-nd-random.h, nd-random.h, oracles.h, utils.h: Move into include directory. * extent-sampling.c, gaussian-nd-random.c, nd-random.c, oracles.c, utils.c: Move into src directory. * CMakeLists.txt: Set include as include directory. Look for source files inside src directory.
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