diff options
Diffstat (limited to 'sys/libmath/linalg.c')
| -rw-r--r-- | sys/libmath/linalg.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/sys/libmath/linalg.c b/sys/libmath/linalg.c index 09e100c..8551ff1 100644 --- a/sys/libmath/linalg.c +++ b/sys/libmath/linalg.c @@ -1,6 +1,7 @@ #include <u.h> #include <libn.h> #include <libmath.h> +#include <libmath/blas.h> // ----------------------------------------------------------------------- // Vector @@ -10,8 +11,8 @@ linalg·normalize(math·Vector vec) { double norm; - norm = blas·norm(vec.len, vec.data, 1); - blas·scale(vec.len, 1/norm, vec.data, 1); + norm = blas·normd(vec.len, vec.data, 1); + blas·scaled(vec.len, 1/norm, vec.data, 1); } // TODO: Write blas wrappers that eat vectors for convenience @@ -50,12 +51,12 @@ linalg·lq(math·Matrix m, math·Vector w) len = m.dim[0] - i; // TODO: Don't want to compute norm twice!! - w.data[0] = math·sgn(row[0]) * blas·norm(len, row, 1); - blas·axpy(len, 1.0, row, 1, w.data, 1); - mag = blas·norm(len, w.data, 1); - blas·scale(len, 1/mag, w.data, 1); + w.data[0] = math·sgn(row[0]) * blas·normd(len, row, 1); + blas·axpyd(len, 1.0, row, 1, w.data, 1); + mag = blas·normd(len, w.data, 1); + blas·scaled(len, 1/mag, w.data, 1); - blas·copy(len - m.dim[0], w.data, 1, m.data + i, 1); + blas·copyd(len - m.dim[0], w.data, 1, m.data + i, 1); } return err·nil; |