/* Conformance Test 2.7.2.2: Test double-precision floating-point constants */ #include int printf(const char *, ...); int main (void) { double a; /* Test maximum and minimum double-precision floating-point values, using */ /* all valid syntactic constructs. */ a = 1e+308; if (fabs(a - 1.E308) > 1e302) goto Fail; a = .1e-307; if (fabs(a - 1.0e-308) > 1e-302) goto Fail; /* Test other miscellaneous values. */ a = 32767.f; if (fabs(a - 32767.000E+00000) > 0.1) goto Fail; a = 1234567.89012345; if (fabs(a - 1.23456789012345E+06) > 1.0) goto Fail; a = 000000000000000; if (fabs(a - 0) > 0.00001) goto Fail; a = .456789; if (fabs(a - 456789E-6) > 0.00001) goto Fail; /* Test negative values. */ a = -1e+308; if (fabs(a - (double)(-1.E308)) > 1e-302) goto Fail; a = -.1e-307; if (fabs(a - (double)(-1.0e-308)) > 1e-302) goto Fail; /* Test other miscellaneous values. */ a = -32768.F; if (fabs(a - (-32768.000E+00000)) > 0.1) goto Fail; a = -123.4567890123; if (fabs(a - (-1.234567E+02)) > 0.001) goto Fail; a = -.456789; if (fabs(a - (-456789E-6)) > 0.00001) goto Fail; printf ("Passed Conformance Test 2.7.2.2\n"); return 0; Fail: printf ("Failed Conformance Test 2.7.2.2\n"); }