let HTK I/O implementation be a single package

1 files changed, 61 insertions, 0 deletions

diff --git a/htk_io/src/KaldiLib/clapack.cc b/htk_io/src/KaldiLib/clapack.cc
new file mode 100644
index 0000000..a486bef
--- /dev/null
+++ b/htk_io/src/KaldiLib/clapack.cc
@@ -0,0 +1,61 @@
+
+extern "C" {
+
+  /**
+   * Wrapper to GotoBLAS lapack for STK and TNet (sgetrf sgetri dgetrf dgetri)
+   */
+  typedef float real;
+  typedef double doublereal;
+  typedef int integer;
+
+
+  /**
+   * The lapack interface (used in gotoblas)
+   */
+  /* Subroutine */ int sgetrf_(integer *m, integer *n, real *a, integer *lda,
+          integer *ipiv, integer *info);
+  /* Subroutine */ int sgetri_(integer *n, real *a, integer *lda, integer *ipiv,
+          real *work, integer *lwork, integer *info);
+  /* Subroutine */ int dgetrf_(integer *m, integer *n, doublereal *a, integer *
+          lda, integer *ipiv, integer *info);
+  /* Subroutine */ int dgetri_(integer *n, doublereal *a, integer *lda, integer
+          *ipiv, doublereal *work, integer *lwork, integer *info);
+
+
+
+
+
+  /**
+   * The clapack interface as used by ATLAS (used in STK, 
+   */
+  enum CBLAS_ORDER {CblasRowMajor=101, CblasColMajor=102 };
+
+  int clapack_sgetrf(const enum CBLAS_ORDER Order, const int M, const int N,
+                     float *A, const int lda, int *ipiv) 
+  {
+    return sgetrf_((int*)&M, (int*)&N, A, (int*)&lda, (int*)ipiv, 0);
+  }
+
+
+  int clapack_sgetri(const enum CBLAS_ORDER Order, const int N, float *A,
+                     const int lda, const int *ipiv) 
+  {
+    return sgetri_((int*)&N, A, (int*)&lda, (int*)ipiv, 0, 0, 0);
+  }
+
+
+  int clapack_dgetrf(const enum CBLAS_ORDER Order, const int M, const int N,
+                     double *A, const int lda, int *ipiv) 
+  {
+    return dgetrf_((int*)&M, (int*)&N, A, (int*)&lda, (int*)ipiv, 0);
+  }
+    
+
+  int clapack_dgetri(const enum CBLAS_ORDER Order, const int N, double *A,
+                     const int lda, const int *ipiv)
+  {
+    return dgetri_((int*)&N, A, (int*)&lda, (int*)ipiv, 0, 0, 0);
+  }
+
+
+}