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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.
2021-05-07Treat 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.
2021-05-07Add rtol? predicate.Arun Isaac
* src/utils.sc (rtol?): New function. * include/utils.h (rtol_p): Declare it.
2021-05-07Declare polynomial_integrand_params member as const.Arun Isaac
* include/integrands.h (polynomial_integrand_params): Declare coefficients member as const.
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.
2021-02-26Add 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.
2021-02-23Implement 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.
2021-02-11Pass 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.
2021-02-11Include gsl_vector.h instead of gsl_blas.h.Arun Isaac
* include/oracles.h: Include gsl_vector.h instead of gsl_blas.h.
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.
2021-02-05Remove 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.