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85 lines
2.4 KiB
C
85 lines
2.4 KiB
C
#include <stdlib.h>
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#include <stdio.h>
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#include <sys/types.h>
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int
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main(int argc, char** argv)
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{
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char c1;
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short s1, ssf1, ssd1;
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unsigned char ubs0;
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signed char bs0;
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unsigned char ubc0, uc2;
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unsigned short us2, usf1, usd1;
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int ic3, is3, sif1, sid1;
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uint uic4, uis4, uif1, uid1;
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long slf1, sld1;
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ulong ulf1, uld1;
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float f1;
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double d1;
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/* Test integer to integer conversions */
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c1 = (char) (argc >= 2)? atoi(argv[1]) : 0xff64; /* 100 = 'd' */
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s1 = (short) (argc >= 3)? atoi(argv[2]) : -769; /* 0xf7ff = -769 */
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ubc0 = (unsigned char) c1; /* 100 = 'd' */
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ubs0 = (unsigned char) s1; /* 0xff = 255 */
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bs0 = (signed char) s1; /* 0xff = -1 */
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uc2 = (unsigned char) c1; /* 100 = 'd' */
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us2 = (unsigned short) s1; /* 0xf7ff = 64767 */
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ic3 = (int) c1; /* 100 = 'd' */
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is3 = (int) s1; /* 0xfffff7ff = -769 */
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uic4 = (unsigned int) c1; /* 100 = 'd' */
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uis4 = (unsigned int) s1; /* 0xfffff7ff = 4294966527 */
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printf("ubc0 = '%c'\n", ubc0);
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printf("ubs0 = %u\n", ubs0);
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printf("bs0 = %d\n", bs0);
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printf("c1 = '%c'\n", c1);
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printf("s1 = %d\n", s1);
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printf("uc2 = '%c'\n", uc2);
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printf("us2 = %u\n", us2);
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printf("ic3 = '%c'\n", ic3);
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printf("is3 = %d\n", is3);
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printf("uic4 = '%c'\n", uic4);
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printf("uis4 = %u\n", uis4);
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/* Test floating-point to integer conversions */
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f1 = (float) (argc >= 4)? atof(argv[3]) : 1.0;
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d1 = (argc >= 5)? atof(argv[4]) : 2.0;
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usf1 = (unsigned short) f1;
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usd1 = (unsigned short) d1;
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uif1 = (unsigned int) f1;
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uid1 = (unsigned int) d1;
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ulf1 = (unsigned long) f1;
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uld1 = (unsigned long) d1;
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ssf1 = (short) f1;
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ssd1 = (short) d1;
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sif1 = (int) f1;
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sid1 = (int) d1;
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slf1 = (long) f1;
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sld1 = (long) d1;
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printf("usf1 = %u\n", usf1);
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printf("usd1 = %u\n", usd1);
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printf("uif1 = %u\n", uif1);
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printf("uid1 = %u\n", uid1);
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printf("ulf1 = %u\n", ulf1);
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printf("uld1 = %u\n", uld1);
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printf("ssf1 = %d\n", ssf1);
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printf("ssd1 = %d\n", ssd1);
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printf("sif1 = %d\n", sif1);
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printf("sid1 = %d\n", sid1);
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printf("slf1 = %d\n", slf1);
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printf("sld1 = %d\n", sld1);
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return 0;
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}
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