Curso de Programación en C/Prog20
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Prog20
1 /* Prog20.c -- Conversiones interesantes con floats */
2
3 #include <stdio.h>
4
5 int main( void )
6 {
7 float n1 = 3.0;
8 double n2 = 3.0;
9 long n3 = 2000000000,
10 n4 = 1234567890;
11
12 printf( "Con conversiones naturales: %f %lf %ld %ld\n", n1, n2, n3, n4 );
13 printf( "Con %%.1e: %.1e %.1e %.1e %.1e\n",
14 n1, n2, n3, n4 );
15 printf( "Con %%ld: %ld %ld %ld %ld\n",
16 n1, n2, n3, n4 );
17
18 return 0;
19 }
Resultado
[rrc@Pridd CClase]$ gcc -Wall -O2 -o Prog20 Prog20.c Prog20.c: In function ‘main’: Prog20.c:14: warning: format ‘%.1e’ expects type ‘double’, but argument 4 has type ‘long int’ Prog20.c:14: warning: format ‘%.1e’ expects type ‘double’, but argument 5 has type ‘long int’ Prog20.c:16: warning: format ‘%ld’ expects type ‘long int’, but argument 2 has type ‘double’ Prog20.c:16: warning: format ‘%ld’ expects type ‘long int’, but argument 3 has type ‘double’ [rrc@Pridd CClase]$ ./Prog20 Con conversiones naturales: 3.000000 3.000000 2000000000 1234567890 Con %.1e: 3.0e+00 3.0e+00 3.1e+46 6.6e-316 Con %ld: 0 1074266112 0 1074266112 [rrc@Pridd CClase]$
