d06 ex00 ajout qq tests avec limits des floats

d06/ex00/test_float.cpp

@@ -0,0 +1,36 @@
+#include <iostream>
+#include <limits>
+#include <cfloat>
+#include <cmath>
+
+#define MAX_INT 2147483647
+#define MIN_INT -2147483648
+#define MAX_FLOAT 340282346638528859811704183484516925440.0f
+#define MIN_FLOAT -340282346638528859811704183484516925440.0f
+
+void	isFloat(double d) {
+	if (! (d <= std::numeric_limits<float>::max()
+		&& d >= std::numeric_limits<float>::min()) )
+	{
+		std::cout << d << "is outside range of floats\n";
+		return ;
+	}
+	std::cout << std::fixed << static_cast<float>(d) << "\n";
+}
+
+int	main() {
+
+	double	d;
+	double	d2;
+
+	d = std::numeric_limits<float>::max();
+	std::cout << std::fixed << d << "\n";
+	d2 = std::nextafter(d, DBL_MAX);
+	std::cout << std::fixed << d2 << "\n";
+//	isFloat(MAX_FLOAT);
+//	d = std::numeric_limits<float>::lowest();
+//	std::cout << std::fixed << d << "\n";
+//	isFloat(d);
+
+	return 0;
+}