Pass R CMD check --as-cran

[valse.git] / pkg / src / utils.h

diff --git a/pkg/src/utils.h b/pkg/src/utils.h
new file mode 100644 (file)
index 0000000..be3a72f
--- /dev/null
+++ b/pkg/src/utils.h
@@ -0,0 +1,48 @@
+#ifndef valse_utils_H
+#define valse_utils_H
+
+//#include <stdint.h>
+
+/********
+ * Types
+ *******/
+
+typedef double Real;
+//typedef uint32_t UInt;
+//typedef int32_t Int;
+
+/*******************************
+ * Matrix and arrays indexation
+ *******************************/
+
+// Matrix Index ; TODO? ncol unused
+#define mi(i,j,nrow,ncol)\
+       j*nrow + i
+
+// Array Index ; TODO? d3 unused
+#define ai(i,j,k,d1,d2,d3)\
+       k*d1*d2 + j*d1 + i
+
+// Array4 Index ; TODO? ...
+#define ai4(i,j,k,m,d1,d2,d3,d4)\
+       m*d1*d2*d3 + k*d1*d2 + j*d1 + i
+
+/*************************
+ * Array copy & "zeroing"
+ ************************/
+
+// Fill an array with zeros
+#define zeroArray(array, size)\
+{\
+       for (int u=0; u<size; u++)\
+               array[u] = 0;\
+}
+
+// Copy an 1D array
+#define copyArray(array, copy, size)\
+{\
+       for (int u=0; u<size; u++)\
+               copy[u] = array[u];\
+}
+
+#endif