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