added the ability to identify arguments as numbers

David Mayerich
1 parent d82f7858
Showing 2 changed files with 15 additions and 1 deletions Show diff stats
stim/math/filters/conv2.h
stim/parser/arguments.h
@@ -46,7 +46,7 @@ namespace stim {
 	}
  
 	//Performs a convolution of a 2D image using the GPU. All pointers are assumed to be to memory on the current device.
-	//@param out is a pointer to the output image
+	//@param out is a pointer to the output image, which is of size (sx - kx + 1) x (sy - ky + 1)
 	//@param in is a pointer to the input image
 	//@param sx is the size of the input image along X
 	//@param sy is the size of the input image along Y
@@ -205,6 +205,20 @@ namespace stim{
  
             else return 0;
 		}
+		//returns true if the specified argument can be represented as a number
+		bool is_num(size_t n = 0){
+			bool decimal = false;
+			for(size_t i = 0; i < vals[n].size(); i++){
+				if(vals[n][i] == '-' && i != 0) return false;
+				else if(vals[n][i] == '.'){
+					if(decimal) return false;
+					else decimal = true;
+				}
+				else if(vals[n][i] < '0') return false;
+				else if(vals[n][i] > '9') return false;
+			}
+			return true;
+		}
  
 		//get the width of the left column
 		size_t col_width()