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