ORCA-C/Tests/Conformance/C2.7.2.2.CC

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/* Conformance Test 2.7.2.2: Test double-precision floating-point constants */
#include <math.h>
main ()
{
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;
Fail:
printf ("Failed Conformance Test 2.7.2.2\n");
}