255 lines
7 KiB
C
255 lines
7 KiB
C
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#include "UART0_stdio.h"
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int main() {
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char ent_char ;
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int ent_dec_pos ;
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int ent_dec_neg ;
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int ent_hex ;
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int ent_oct ;
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int ent_oct_hex ;
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long ent_slong ;
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unsigned short ent_ushort ;
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unsigned long ent_ulong ;
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char tab_char[3] ;
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char nom [50] ;
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char mois[50] ;
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int jour ;
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int annee ;
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int *ptr ;
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char tab[3] ;
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long double fld ;
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float flottant ;
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double f ;
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double f4 ;
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long double f1 ;
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float f2, f3 ;
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printf("Entrez un char:");
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scanf("%c" , &ent_char);
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printf("%c\n", ent_char);
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printf("Entrez trois caracteres:\n");
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scanf("%3c" , tab_char);
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printf("1er char :%c\n", tab_char[0]);
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printf("2eme char :%c\n", tab_char[1]);
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printf("3eme char :%c\n", tab_char[2]);
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printf("Entrez un nombre decimal positif: ");
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scanf("%d" , &ent_dec_pos);
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printf("%d\n", ent_dec_pos);
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printf("Entrez un nombre decimal negatif: ");
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scanf("%d" , &ent_dec_neg);
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printf("%d\n", ent_dec_neg);
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printf("Entrez un nombre decimal long: ");
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scanf("%ld" , &ent_slong);
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printf("%ld\n", ent_slong);
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printf("Entrez un nombre decimal unsigned long: ");
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scanf("%lu" , &ent_ulong);
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printf("valeur entree: %lu\n", ent_ulong);
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printf("Entrez un nombre decimal unsigned short: ");
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scanf("%hu" , &ent_ushort);
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printf("valeur entree: %lu\n", ent_ushort);
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printf("Entrez un nombre en hexa: ");
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scanf("%x" , &ent_hex);
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printf("%x\n", ent_hex);
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printf("Entrez un nombre en octal: ");
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scanf("%o" , &ent_oct);
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printf("%o \n", ent_oct);
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printf("Entrez un nombre en octal ou hexa (preceder de 0 pour octal et de 0x ou 0X pour hexa), ");
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scanf("%i" , &ent_oct_hex);
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printf("valeur entree en decimal : %i \n", ent_oct_hex);
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printf("Entrez une chaine de caracteres: ");
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scanf("%s" , nom);
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printf("%s \n", nom);
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printf("Entrez le jour,le mois et l'annee:\n");
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scanf("%d%s%d", &jour, mois, &annee);
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printf("\njour:%d \n",jour);
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printf("mois:%s \n",mois);
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printf("annee:%d \n",annee);
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// Dans le cas du format %[...] : le scanf se termine lorsqu'un caractere n'appartenant pas a
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// l'ensemble est detecte, inversement si on specifie %[^...] le scanf s'arrete lorsque'un
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//caractere de l'ensembles a ete lu
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printf("Entrez une chaine de caracteres en majuscules: ");
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scanf("%[A-Z]" , nom);
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printf("%s \n", nom);
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printf("Entrez une chaine de caracteres sans majuscules pour terminer le scanf entrez une majuscule: ");
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scanf("%[^A-Z]" , nom);
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printf("%s \n", nom);
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printf("Entrez une adresse memoire quelconque \n");
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scanf("%p",&ptr);
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printf("L'adresse %p contient la valeur %d ",ptr,*ptr);
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/* printf("Entrez un caractere: ");
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scanf("%c" , &ent_char);
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__io_ungetc(ent_char);
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scanf("%c" , &ent_char);
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printf("Apres un scanf suivi d'un ungetc et d'un scanf on a : %c \n", ent_char);
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printf("Entrez une chaine de 2 caracteres\n ");
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scanf("%s" , nom);
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printf("la chaine entree est %s \n",nom);
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ent_char = __io_ungetc(nom[0]);
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scanf("%c" , nom[0]) ;
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printf("Apres un ungetc et d'un scanf on a : %s \n", nom);
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*/
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printf("Entrer un float:\n");
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scanf("%f",&flottant);
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printf("Le float entre est %f",flottant);
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printf("Entrer un double float:\n");
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scanf("%Lf",&f);
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printf("Le float entre est %Lf\n",f);
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printf("Entrer un nombre avec exposant :\n");
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scanf("%le",&f);
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printf("Le float entre est %le\n",f);
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// Note : le format %g choisit en fonction de la valeur entree le format le plus
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// appropri<72>e entre %e et %f
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printf("Entrer un nombre avec exposant :\n");
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scanf("%lg",&f);
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printf("Le float entre est %lg\n",f);
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printf("Entrer un nombre avec exposant :\n");
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scanf("%Lg",&fld);
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printf("Le float entre est %Lg\n",fld);
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f1 = 48656568.256479123456789123456789;
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f = 48656568.256479123456789123456789;
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f2 = 456.45366;
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f3 = 456.45362;
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printf("Test for Floating points numbers printf\n");
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/*Simple test of %f format */
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printf("double :%lf\n",f);
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/* Test with format specifying first number is equal to minimal number
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of caracter to be print the second one is number of digits */
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printf("LONG DOUBLE :%Lf - %20.10Lf - %20.15Lf - %20.20Lf - %30.30Lf\n", f1, f1, f1, f1, f1);
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printf("float2 :%4.2f %+.0e %E \n", 3.1416, 3.1416, 3.1416);
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/*Note: the output should be float2: 3.14 +3e+000 3.141600E+000*/
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printf("float3 :%7.3f\n", 1.2345);
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printf("float3bis :%7.3lf\n",4865.256479 );
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printf("float4 :%10.3f\n", 1.2345e3);
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printf("float5 :%10.3f\n", 1.2345e7);
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printf("float6 :%12.4e\n", 1.2345);
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printf("float7 :%12.4e\n", 123.456789e8);
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printf("float8 :%15.5lf\n",48656568.256479 );
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printf("float9 :%15.6lf\n",48656568.256479 - 48656568.256478 );
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printf("float9bis :%-15.6lf%7.4f\n",48656568.256479 - 48656568.256478,1.2345 );
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printf("float9ter :%15.2lf\n",f2*f3 );
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/*Note : the outputs shoud be
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for 1.2345, ^^1.235
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for 1.2345e5, ^^1234.500
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for 1.2345e7, 12345000.000
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for 1.2345, ^^1.2345e+00
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for 123.456789e8, ^^1.2346e+10
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for float 9: 48656568.256479 - 48656568.2563,^^^^^^^^0.00001
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for float 9bis: 48656568.256479 - 48656568.2563,0.00001^^^^^^^^1.2345
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for f2*f3 ,^^^^^^208349,92
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^ is equal to a space */
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printf("float10 :01234567 \n" );
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printf("float11 :%8g|\n", 12.34 );
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printf("float12 :%8g|\n", 1234.5678 );
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printf("float13 :%8g|\n", 0.0478 );
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printf("float14 :%8g|\n", 422121.0 );
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printf("float15 :%8g|\n", 422121234.345345 );
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/*Note : outputs should be
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01234567
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12.34|
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1234.57|
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0.0478|
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422121|
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4.22121e+08|
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*/
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printf("float16 :%.0f|\n", 1000.123456789123456789 );
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printf("float17 :%.1f|\n", 2000.123456789123456789 );
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printf("float18 :%.2f|\n", 3000.123456789123456789 );
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printf("float19 :%.10f|\n", 4000.123456789123456789 );
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printf("float20 :%.30f|\n", 5000.123456789123456789 );
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printf("float21 :%f|\n", 6000.123456789123456789 );
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printf("float22 :%.f|\n", 7000.123456789123456789 );
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/*Note : outputs should be
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1000|
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2000.1|
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3000.12|
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4000.1234567891|
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5000.12345678912333823973312939761|
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6000.123457|
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7000|
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*/
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int a ;
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char c ;
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float ft ;
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int hex ;
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double db ;
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char stg[50]="chaine" ;
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a=1;
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// Test du printf avec une suite de parametres int
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printf("Test suite de int: \n a=%d\na+1=%d\na+2=%d\na+3=%d\na+4=%d\na+5=%d\na+6=%d\na+7=%d\na+8=%d\na=%d\n",a,a+1,a+2,a+3,a+4,a+5,a+6,a+7,a+8,a);
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//Test du printf avec une suite de floats
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ft=1.589634 ;
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printf("Test suite de floats: \nft=%f\nft+0.1=%f\nft+0.01=%f\nft+0.001=%f\nft+0.0001=%f\nft+0.00001=%f\n",ft,ft+0.1,ft+0.01,ft+0.001,ft+0.0001,ft+0.00001);
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// Test du printf avec un melange de formats
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a = 1 ;
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c ='c' ;
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ft = 1.963214 ;
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db = 1.589e+15;
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hex = 0x0FA ;
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printf("Test avec plusieurs formats:\na=%d\nc=%c\nstg=%s\nft=%6.5f\ndb=%10.2e\nhex=%x\n",a,c,stg,ft,db,hex);
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printf("Entrez dans l'ordre un int\n un char\n une chaine\nun float\nun float avec exposant\nun hexa \n");
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scanf("%d%c%s%f%le%x",&a,&c,stg,&ft,&db,&hex);
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printf("Test avec plusieurs formats apres un scanf:\n a=%d\nc=%c\nstg=%s\nft=%6.5f\ndb=%10.2le\nhex=0x%x\n",a,c,stg,ft,db,hex);
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return 0;
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}
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