ORCA-C/Tests/Conformance/C2.7.2.1.CC
2017-10-21 18:40:19 -05:00

72 lines
1.5 KiB
C++

/* Conformance Test 2.7.2.1: Test single-precision floating-point constants */
#include <math.h>
main ()
{
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;
Fail:
printf("Failed Conformance Test 2.7.2.1\n");
}