Fixed 'float vs double' source file.

simmod/ass1/.gitignore

@@ -3,3 +3,4 @@ speed
 fp
 float_double
 report.pdf
+fd*

simmod/ass1/Makefile

+CC=clang
 FLAGS=-Wall -Wextra -std=c99 -pedantic -O0 -lm
 TYPES=float double LD
 OPS=ADD DIV MULT SQRT
 
-all: fp speed report.pdf float_double
+all: fp speed report.pdf fd
 
 %.pdf: %.tex
 	pdflatex $^
@@ -12,23 +13,29 @@ speed: speed.c
 	for t in $(TYPES); do \
 		for o in $(OPS); do \
 			sed "s#{TYPE}#$$t#" $^ | sed "s#{OP}#$$o#" > speed.$$t.$$o.c; \
-			gcc $(FLAGS) -o speed.$$t.$$o speed.$$t.$$o.c; \
+			$(CC) $(FLAGS) -o speed.$$t.$$o speed.$$t.$$o.c; \
 			rm speed.$$t.$$o.c; \
 		done; \
 	done;
 	touch $@
 
 fp: floating_point.o
-	gcc $(FLAGS) -o $@ $^
+	$(CC) $(FLAGS) -o $@ $^
 
-float_double: float_vs_double.o
-	gcc $(FLAGS) -o $@ $^
+fd: float_vs_double.c
+	for t in float double; do \
+		sed "s#{TYPE}#$$t#" $^ > fd.$$t.c; \
+		$(CC) $(FLAGS) -o fd.$$t fd.$$t.c; \
+		rm fd.$$t.c; \
+	done;
+	touch $@
 
 %.o: %.c
-	gcc $(FLAGS) -o $@ -c $^
+	$(CC) $(FLAGS) -o $@ -c $^
 
 %.s: %.c
-	gcc $(FLAGS) -o $* $^
+	$(CC) $(FLAGS) -o $* $^
 
 clean:
-	rm -vf *.o *.i *.s fp speed speed.*.* floating_point
+	rm -vf *.o *.i *.s fp fd* speed speed.*.* floating_point \
+		report.pdf *.aux *.log *.toc

simmod/ass1/float_vs_double.c

 #include <stdlib.h>
 #include <stdio.h>
 
+{TYPE} sum_forward(int N);
+{TYPE} sum_backward(int N);
+
 int main(void) {
     puts("Using type {TYPE}.");
 
@@ -32,3 +35,4 @@ int main(void) {
 
     return sum;
 }
+