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90 lines
1.9 KiB
C
90 lines
1.9 KiB
C
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// test comparison operations
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <_float.h>
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#ifdef CONIO
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#include <conio.h>
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#define WAIT() cgetc()
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#else
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#define WAIT()
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#endif
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float fp1, fp2, fp3, fp4;
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char buf[0x30];
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char buf2[0x30];
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char buf3[0x30];
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signed char var_schar;
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unsigned char var_uchar;
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signed int var_sint;
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unsigned int var_uint;
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signed long var_slong;
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unsigned long var_ulong;
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int result = 0;
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#define expect(msg, exp, val) \
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printf("%s %s%s\n", \
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msg, \
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val ? "true" : "false", \
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(exp != val) ? " (failed)" : ""); \
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if (exp != val) { \
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result++; \
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}
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//-------------------------------------------------------------------------
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// float variable vs float variable
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void varvar(void)
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{
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printf("var vs var\n");
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fp1 = 1.6f;
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fp2 = 1.5f;
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fp3 = 1.6f;
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fp4 = 1.5f;
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expect("1.5f == 1.6f is", 0, (fp2 == fp3));
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expect("1.6f == 1.5f is", 0, (fp1 == fp4));
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expect("1.6f == 1.6f is", 1, (fp1 == fp3));
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expect("1.5f != 1.6f is", 1, (fp2 != fp3));
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expect("1.6f != 1.5f is", 1, (fp1 != fp4));
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expect("1.6f != 1.6f is", 0, (fp1 != fp3));
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expect("1.5f < 1.6f is", 1, (fp2 < fp3));
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expect("1.6f < 1.5f is", 0, (fp1 < fp4));
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expect("1.6f < 1.6f is", 0, (fp1 < fp3));
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expect("1.5f > 1.6f is", 0, (fp2 > fp3));
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expect("1.6f > 1.5f is", 1, (fp1 > fp4));
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expect("1.6f > 1.6f is", 0, (fp1 > fp3));
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expect("1.5f <= 1.6f is", 1, (fp2 <= fp3));
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expect("1.6f <= 1.5f is", 0, (fp1 <= fp4));
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expect("1.6f <= 1.6f is", 1, (fp1 <= fp3));
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expect("1.5f >= 1.6f is", 0, (fp2 >= fp3));
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expect("1.6f >= 1.5f is", 1, (fp1 >= fp4));
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expect("1.6f >= 1.6f is", 1, (fp1 >= fp3));
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}
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int main(void)
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{
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printf("float-cmp-var-var\n");
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fp1 = 1.6f;
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fp2 = 1.5f;
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varvar();
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printf("float-cmp-var-var (res: %d)\n", result);
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return result;
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}
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