Write/Print Floating Point

#include <stdio.h>

main()

{

float x, y;

double v, w;

x = 42.4907;

y = 3.8872e-12;

v = -55.23289108;

w = -84.3002669e17;

printf("x=%e, y=%e\n", x, y);

printf("x=%E, y=%E\n", x, y);

printf("x=%f, y=%f\n", x, y);

printf("x=%g, y=%g\n", x, y);

printf("v=%e, w=%e\n", v, w);

printf("v=%E, w=%E\n", v, w);

printf("v=%f, w=%f\n", v, w);

printf("v=%g, w=%g\n", v, w);

}

prints

x=4.249070e+01, y=3.887200e-12

x=4.249070E+01, y=3.887200E-12

x=42.490700, y=0.000000

x=42.4907, y=3.8872e-12

v=-5.523289e+01, w=-8.430027e+18

v=-5.523289E+01, w=-8.430027E+18

v=-55.232891, w=-8430026690000000000.000000

v=-55.2329, w=-8.43003e+18

This is program pg80.c.

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