135 lines
3.9 KiB
C++
135 lines
3.9 KiB
C++
/* Conformance Test 6.2.3.5: Verification of conversion from floating-point */
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/* to integer types */
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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int main (void)
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{
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float f;
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double d;
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extended e;
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static float F (float f, double d, extended e, signed char ch, short sh,
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int i, long L, unsigned char uch, unsigned int ui,
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unsigned long ul);
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static double D (float f, double d, extended e, signed char ch, short sh,
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int i, long L, unsigned char uch, unsigned int ui,
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unsigned long ul);
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static extended E (float f, double d, extended e, signed char ch, short sh,
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int i, long L, unsigned char uch, unsigned int ui,
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unsigned long ul);
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#if 0
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f = F (123.456, -876.443, 456.789, -127.54, 321.456, -456.77, -844.0, 4.0,
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6.0, 4.2e2);
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if (fabs(f - 18.224) > 0.00001)
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goto Fail;
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#endif
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d = D (-1234.56, 4567.89977, 55555.66666, 4.5, -89.0, -4565.00, 333.88,
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42.567, 76.564, 987.98765);
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if (fabs(d - 28121.32696) > 0.00001)
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goto Fail;
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e = E (8.456e20, 3478.6e-100, 9876.43E+300, 0.00e-30, 00.00, -0.0, 0.577,
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00.33, 0.43212, 0.9876);
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if (fabs(e) > 0.00001)
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goto Fail;
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printf ("Passed Conformance Test 6.2.3.5\n");
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return 0;
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Fail:
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printf ("Passed Conformance Test 6.2.3.5\n");
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}
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/******************************************************************************/
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static float F (float f, double d, extended e, signed char ch, short sh, int i,
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long L, unsigned char uch, unsigned int ui, unsigned long ul)
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{
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float f1;
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/* Check expected values of passed parameters. */
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if ((fabs(f - 123.456) > 0.00001) || (fabs(d - (-876.443)) > 0.00001) ||
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(fabs(e - 456.789) > 0.00001) || (ch != -127) ||
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(sh != 321) || (i != -456) || (L != -844) || (uch != 4) ||
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(ui != 6) || (ul != 420))
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goto Fail;
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/* Calculate a float value to return, and check expected result. */
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f1 = f + d - e + (sh / ch + i - L / uch * ui + ul);
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if (fabs(f1 - 18.224) > 0.0001)
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goto Fail;
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return f1;
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Fail:
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printf ("Failure in F function in Conformance Test 6.2.3.5\n");
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exit (-1);
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}
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/******************************************************************************/
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static double D (float f, double d, extended e, signed char ch, short sh, int i,
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long L, unsigned char uch, unsigned int ui, unsigned long ul)
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{
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double d1;
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/* Check expected values of passed parameters. */
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if ((fabs(f - (-1234.56)) > 0.00001) || (fabs(d - 4567.89977) > 0.00001) ||
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(fabs(e - 55555.66666) > 0.00001) ||
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(ch != 4) || (sh != -89) || (i != -4565) || (L != 333) ||
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(uch != 42) || (ui != 76) || (ul != 987))
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goto Fail;
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/* Calculate a double value to return, and check expected result. */
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d1 = e - d - f - (i / ch + ul / uch * sh - L * ui);
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if (fabs(d1 + 4294886577.673110) > 0.00001)
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goto Fail;
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return d1;
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Fail:
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printf ("Failure in D function in Conformance Test 6.2.3.5\n");
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exit (-1);
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}
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/******************************************************************************/
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static extended E (float f, double d, extended e, signed char ch, short sh,
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int i, long L, unsigned char uch, unsigned int ui,
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unsigned long ul)
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{
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extended e1;
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e1 = F (8.456e20, 3478.6e-100, 9876.43E+300, 0.00e-30, 00.00, -0.0, 0.577,
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00.33, 0.43212, 0.9876);
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if ((fabs(f - 8.456e20) > 0.00001) || (fabs(d - 3478.6e-100) > 0.00001) ||
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(fabs(e - 9876.43e+300) > 0.00001) ||
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(ch != 0) || (sh != 0) || (i != 0) || (L != 0) || (uch != 0) ||
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(ui != 0) || (ul != 0))
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goto Fail;
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e1 = f / d * ch - ul;
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if (fabs(e1) > 0.00001)
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goto Fail;
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return (e1);
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Fail:
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printf ("Failure in E function in Conformance Test 6.2.3.5\n");
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exit (-1);
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}
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