/* Conformance Test 2.7.2.1: Test single-precision floating-point constants */ #include int printf(const char *, ...); int main (void) { float a; /* Test maximum and minimum single-precision floating-point values, using */ /* all valid syntactic constructs. */ a = 1e+38; if (fabs(a - 1.E38) > 1e32) goto Fail; a = .1e-37; if (fabs(a - 0.1e-37) > 1e-42) goto Fail; /* Test other miscellaneous values. */ a = 32767.F; if (fabs(a - 32767.000E+00000) > 0.01) goto Fail; a = 123.4567; if (fabs(a - 1.234567E+02) > 0.001) goto Fail; a = 00000000; if (a != 0) goto Fail; a = .456789; if (fabs(a - 456789E-6) > 0.00001) goto Fail; /* Test negative values. */ a = -1e+38; if (fabs(a - (-1.E38)) > 1e33) goto Fail; a = -.1e-37; if (fabs(a - (-1.0e-38)) > 1e-42) goto Fail; /* Test other miscellaneous values. */ a = -32768.f; if (fabs(a - (-32768.000E+00000)) > 0.01) goto Fail; a = -123.4567; if (fabs(a - (-1.234567E+02)) > 0.001) goto Fail; a = -.456789; if (fabs(a - (-456789E-6)) > 0.00001) goto Fail; /* Test floating-point constant with many characters in a digit string */ a = \ 000000000000000000000000000000000000000000000000000000000000000000000000000007.0 ; if (fabs(a - 7.0) > 0.00001) goto Fail; printf ("Passed Conformance Test 2.7.2.1\n"); return 0; Fail: printf("Failed Conformance Test 2.7.2.1\n"); }