diff options
| author | Justin Bedo <cu@cua0.org> | 2023-02-07 16:09:06 +1100 |
|---|---|---|
| committer | Justin Bedo <cu@cua0.org> | 2023-02-07 17:08:50 +1100 |
| commit | b555b36b5c14f7a4342b10bcea8374bfe5e0fac8 (patch) | |
| tree | a08064479c101d33ea350382b1cc56e748ce40c2 /R/src | |
| parent | a0b5f58d8d2040306006a8b9deded629692ed8f3 (diff) | |
add R bindings
Diffstat (limited to 'R/src')
| -rw-r--r-- | R/src/Makevars | 1 | ||||
| -rw-r--r-- | R/src/wrapper.c | 27 |
2 files changed, 28 insertions, 0 deletions
diff --git a/R/src/Makevars b/R/src/Makevars new file mode 100644 index 0000000..ca122c3 --- /dev/null +++ b/R/src/Makevars @@ -0,0 +1 @@ +PKG_LIBS = -lcodapca diff --git a/R/src/wrapper.c b/R/src/wrapper.c new file mode 100644 index 0000000..dd7bce1 --- /dev/null +++ b/R/src/wrapper.c @@ -0,0 +1,27 @@ +#include "pca.h" + +void +pca_wrapper(int *n, int *d, double *q, int *k, double *X, double *B, double *U, double *l) { + + struct futhark_context_config *cfg = futhark_context_config_new(); + struct futhark_context *ctx = futhark_context_new(cfg); + + struct futhark_f64_2d *Xf = futhark_new_f64_2d(ctx, X, *n, *d); + struct futhark_f64_2d *Yf; + struct futhark_f64_2d *Bf; + struct futhark_f64_2d *Uf; + + futhark_entry_pcaWithQuantile(ctx, &Bf, &Uf, &Yf, l, *q, *k, Xf); + futhark_context_sync(ctx); + futhark_values_f64_2d(ctx, Bf, B); + futhark_values_f64_2d(ctx, Uf, U); + futhark_values_f64_2d(ctx, Yf, X); + + futhark_free_f64_2d(ctx, Xf); + futhark_free_f64_2d(ctx, Bf); + futhark_free_f64_2d(ctx, Uf); + futhark_free_f64_2d(ctx, Yf); + futhark_context_free(ctx); + futhark_context_config_free(cfg); + +} |