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ORCA-C/Tests/Conformance/C19.4.0.1.CC

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2017-10-21 18:40:19 -05:00
/* Conformance Test 19.4.0.1: Verification of exp, log, log10 functions */
#include <math.h>
Fix various C99+ conformance issues and bugs in test cases. The main changes made to most tests are: *Declarations always include explicit types, not relying on implicit int. The declaration of main in most test programs is changed to be "int main (void) {...}", adding an explicit return type and a prototype. (There are still some non-prototyped functions, though.) *Functions are always declared before use, either by including a header or by providing a declaration for the specific function. The latter approach is usually used for printf, to avoid requiring ORCA/C to process stdio.h when compiling every test case (which might make test runs noticeably slower). *Make all return statements in non-void functions (e.g. main) return a value. *Avoid some instances of undefined behavior and type errors in printf and scanf calls. Several miscellaneous bugs are also fixed. There are still a couple test cases that intentionally rely on the C89 behavior, to ensure it still works.
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int printf(const char *, ...);
int main (void)
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{
double d1;
d1 = exp (0);
if (fabs(d1 - 1.0) > 0.00001)
goto Fail;
d1 = log (1.0);
if (fabs(d1) > 0.00001)
goto Fail;
d1 = log10 (100.00);
if (fabs(d1 - 2.0) > 0.00001)
goto Fail;
printf ("Passed Conformance Test 19.4.0.1\n");
Fix various C99+ conformance issues and bugs in test cases. The main changes made to most tests are: *Declarations always include explicit types, not relying on implicit int. The declaration of main in most test programs is changed to be "int main (void) {...}", adding an explicit return type and a prototype. (There are still some non-prototyped functions, though.) *Functions are always declared before use, either by including a header or by providing a declaration for the specific function. The latter approach is usually used for printf, to avoid requiring ORCA/C to process stdio.h when compiling every test case (which might make test runs noticeably slower). *Make all return statements in non-void functions (e.g. main) return a value. *Avoid some instances of undefined behavior and type errors in printf and scanf calls. Several miscellaneous bugs are also fixed. There are still a couple test cases that intentionally rely on the C89 behavior, to ensure it still works.
2022-10-17 17:50:42 -05:00
return 0;
Change all text/source files to LF line endings.
2017-10-21 18:40:19 -05:00
Fail:
printf ("Failed Conformance Test 19.4.0.1\n");
}
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