initial commit

oscar64/autotest/floatstringtest.c

@@ -0,0 +1,32 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+
+int main(void)
+{
+	printf("%f\n", 0.0);
+	
+
+	float	x = 1.0, y = 1.0;
+	
+	char	xb[20], yb[20];
+	for(int i=0; i<40; i++)
+	{
+		ftoa(x, xb); float xr = atof(xb);
+		ftoa(y, yb); float yr = atof(yb);
+		
+		printf("%20g (%s) %20g : %20g (%s) %20g : %10f %10f \n", x, xb, xr, y, yb, yr, fabs(x - xr) / x, fabs(y - yr) / y);
+		
+		if (fabs(x - xr) / x > 0.00001 || fabs(y - yr) / y > 0.00001)
+			return -1;
+
+		x *= 2.5;
+		y *= 0.8;
+	}
+	
+	return 0;
+}
+
+
+
+