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rtems/testsuites/libtests/math/domath.h
Sebastian Huber 80d99aa20c libtests/complex,math: Prevent optimizations 
For constant arguments GCC calculates the values of the math library
functions at compile-time.

close #1741
2014-12-01 08:20:55 +01:00

406 lines
9.2 KiB
C
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/*
* Copyright (c) 2010, 2011 by
* Ralf Corsepius, Ulm/Germany. All rights reserved.
*
* Permission to use, copy, modify, and distribute this software
* is freely granted, provided that this notice is preserved.
*/
#include <math.h>
#include <stdio.h>
#ifndef M_PI_2
#define M_PI_2 1.57079632679489661923
#endif
#ifndef M_PI_4
#define M_PI_4 0.78539816339744830962
#endif
#define CONCAT(x, y) x ## y
#define XCONCAT(x, y) CONCAT(x, y)
#define STRINGIFY(x, y) # x # y
#define XSTRINGIFY(x, y) STRINGIFY(x, y)
#ifdef SUFFIX
#define FUNC(name) XCONCAT(name, SUFFIX)
#define STR(name) XSTRINGIFY(name, SUFFIX)
#else
#define FUNC(name) XCONCAT(name, )
#define STR(name) XSTRINGIFY(name, ) " "
#endif
extern void FUNC(domath) (void);
volatile int ia;
volatile FTYPE fa;
volatile FTYPE fb;
volatile FTYPE fc;
void
FUNC(domath) (void)
{
#ifndef PROVIDE_EMPTY_FUNC
FTYPE f1;
FTYPE f2;
int i1;
fa = 0.0;
f1 = FUNC(acos) (fa);
fprintf( stdout, STR(acos) " : " PRI "\n", f1);
fa = 0.0;
f1 = FUNC(acosh) (fa);
fprintf( stdout, STR(acosh) " : " PRI "\n", f1);
fa = 1.0;
f1 = FUNC(asin) (fa);
fprintf( stdout, STR(asin) " : " PRI "\n", f1);
fa = 1.0;
f1 = FUNC(asinh) (fa);
fprintf( stdout, STR(asinh) " : " PRI "\n", f1);
fa = M_PI_4;
f1 = FUNC(atan) (fa);
fprintf( stdout, STR(atan) " : " PRI "\n", f1);
fa = 2.3;
fb = 2.3;
f1 = FUNC(atan2) (fa, fb);
fprintf( stdout, STR(atan2) " : " PRI "\n", f1);
fa = 1.0;
f1 = FUNC(atanh) (fa);
fprintf( stdout, STR(atanh) " : " PRI "\n", f1);
fa = 27.0;
f1 = FUNC(cbrt) (fa);
fprintf( stdout, STR(cbrt) " : " PRI "\n", f1);
fa = 3.5;
f1 = FUNC(ceil) (fa);
fprintf( stdout, STR(ceil) " : " PRI "\n", f1);
fa = 3.5;
fb = -2.5;
f1 = FUNC(copysign) (fa, fb);
fprintf( stdout, STR(copysign) " : " PRI "\n", f1);
fa = M_PI_2;
f1 = FUNC(cos) (fa);
fprintf( stdout, STR(cos) " : " PRI "\n", f1);
fa = M_PI_2;
f1 = FUNC(cosh) (fa);
fprintf( stdout, STR(cosh) " : " PRI "\n", f1);
fa = 42.0;
f1 = FUNC(erf) (fa);
fprintf( stdout, STR(erf) " : " PRI "\n", f1);
fa = 42.0;
f1 = FUNC(erfc) (fa);
fprintf( stdout, STR(erfc) " : " PRI "\n", f1);
fa = 0.42;
f1 = FUNC(exp) (fa);
fprintf( stdout, STR(exp) " : " PRI "\n", f1);
fa = 0.42;
f1 = FUNC(exp2) (fa);
fprintf( stdout, STR(exp2) " : " PRI "\n", f1);
fa = 0.00042;
f1 = FUNC(expm1) (fa);
fprintf( stdout, STR(expm1) " : " PRI "\n", f1);
fa = -1.123;
f1 = FUNC(fabs) (fa);
fprintf( stdout, STR(fabs) " : " PRI "\n", f1);
fa = 1.123;
fb = 1.123;
f1 = FUNC(fdim) (fa, fb);
fprintf( stdout, STR(fdim) " : " PRI "\n", f1);
fa = 0.5;
f1 = FUNC(floor) (fa);
fprintf( stdout, STR(floor) " : " PRI "\n", f1);
fa = -0.5;
f1 = FUNC(floor) (fa);
fprintf( stdout, STR(floor) " : " PRI "\n", f1);
fa = 2.1;
fb = 2.2;
fc = 3.01;
f1 = FUNC(fma) (fa, fb, fc);
fprintf( stdout, STR(fma) " : " PRI "\n", f1);
fa = -0.42;
fb = 0.42;
f1 = FUNC(fmax) (fa, fb);
fprintf( stdout, STR(fmax) " : " PRI "\n", f1);
fa = -0.42;
fb = 0.42;
f1 = FUNC(fmin) (fa, fb);
fprintf( stdout, STR(fmin) " : " PRI "\n", f1);
fa = 42.0;
fb = 3.0;
f1 = FUNC(fmod) (fa, fb);
fprintf( stdout, STR(fmod) " : " PRI "\n", f1);
/* no type-specific variant */
fa = 1.0;
i1 = fpclassify(fa);
fprintf( stdout, "fpclassify : %d\n", i1);
fa = 42.0;
f1 = FUNC(frexp) (fa, &i1);
fprintf( stdout, STR(frexp) " : " PRI "\n", f1);
fa = 42.0;
fb = 42.0;
f1 = FUNC(hypot) (fa, fb);
fprintf( stdout, STR(hypot) " : " PRI "\n", f1);
fa = 42.0;
i1 = FUNC(ilogb) (fa);
fprintf( stdout, STR(ilogb) " : %d\n", i1);
/* no type-specific variant */
fa = 3.0;
i1 = isfinite(fa);
fprintf( stdout, "isfinite : %d\n", i1);
/* no type-specific variant */
fa = 3.0;
fb = 3.1;
i1 = isgreater(fa, fb);
fprintf( stdout, "isgreater : %d\n", i1);
/* no type-specific variant */
fa = 3.0;
fb = 3.1;
i1 = isgreaterequal(fa, fb);
fprintf( stdout, "isgreaterequal : %d\n", i1);
/* no type-specific variant */
fa = 3.0;
i1 = isinf(fa);
fprintf( stdout, "isinf : %d\n", i1);
/* no type-specific variant */
fa = 3.0;
fb = 3.1;
i1 = isless(fa, fb);
fprintf( stdout, "isless : %d\n", i1);
/* no type-specific variant */
fa = 3.0;
fb = 3.1;
i1 = islessequal(fa, fb);
fprintf( stdout, "islessequal : %d\n", i1);
/* no type-specific variant */
fa = 3.0;
fb = 3.1;
i1 = islessgreater(fa, fb);
fprintf( stdout, "islessgreater : %d\n", i1);
/* no type-specific variant */
fa = 0.0;
i1 = isnan(fa);
fprintf( stdout, "isnan : %d\n", i1);
/* no type-specific variant */
fa = 3.0;
i1 = isnormal(fa);
fprintf( stdout, "isnormal : %d\n", i1);
/* no type-specific variant */
fa = 1.0;
fb = 2.0;
f1 = isunordered(fa, fb);
fprintf( stdout, "isunordered : %d\n", i1);
fa = 1.2;
f1 = FUNC(j0) (fa);
fprintf( stdout, STR(j0) " : " PRI "\n", f1);
fa = 1.2;
f1 = FUNC(j1) (fa);
fprintf( stdout, STR(j1) " : " PRI "\n", f1);
ia = 2;
fa = 1.2;
f1 = FUNC(jn) (ia, fa);
fprintf( stdout, STR(jn) " : " PRI "\n", f1);
fa = 1.2;
ia = 3;
f1 = FUNC(ldexp) (fa, ia);
fprintf( stdout, STR(ldexp) " : " PRI "\n", f1);
fa = 42.0;
f1 = FUNC(lgamma) (fa);
fprintf( stdout, STR(lgamma) " : " PRI "\n", f1);
fa = -0.5;
f1 = FUNC(llrint) (fa);
fprintf( stdout, STR(llrint) " : " PRI "\n", f1);
fa = 0.5;
f1 = FUNC(llrint) (fa);
fprintf( stdout, STR(llrint) " : " PRI "\n", f1);
fa = -0.5;
f1 = FUNC(llround) (fa);
fprintf( stdout, STR(lround) " : " PRI "\n", f1);
fa = 0.5;
f1 = FUNC(llround) (fa);
fprintf( stdout, STR(lround) " : " PRI "\n", f1);
fa = 42.0;
f1 = FUNC(log) (fa);
fprintf( stdout, STR(log) " : " PRI "\n", f1);
fa = 42.0;
f1 = FUNC(log10) (fa);
fprintf( stdout, STR(log10) " : " PRI "\n", f1);
fa = 42.0;
f1 = FUNC(log1p) (fa);
fprintf( stdout, STR(log1p) " : " PRI "\n", f1);
fa = 42.0;
f1 = FUNC(log2) (fa);
fprintf( stdout, STR(log2) " : " PRI "\n", f1);
fa = 42.0;
f1 = FUNC(logb) (fa);
fprintf( stdout, STR(logb) " : " PRI "\n", f1);
fa = -0.5;
f1 = FUNC(lrint) (fa);
fprintf( stdout, STR(lrint) " : " PRI "\n", f1);
fa = 0.5;
f1 = FUNC(lrint) (fa);
fprintf( stdout, STR(lrint) " : " PRI "\n", f1);
fa = -0.5;
f1 = FUNC(lround) (fa);
fprintf( stdout, STR(lround) " : " PRI "\n", f1);
fa = 0.5;
f1 = FUNC(lround) (fa);
fprintf( stdout, STR(lround) " : " PRI "\n", f1);
fa = 42.0;
f1 = FUNC(modf) (fa, &f2);
fprintf( stdout, STR(lmodf) " : " PRI "\n", f1);
f1 = FUNC(nan) ("");
fprintf( stdout, STR(nan) " : " PRI "\n", f1);
fa = 1.5;
f1 = FUNC(nearbyint) (fa);
fprintf( stdout, STR(nearbyint) " : " PRI "\n", f1);
fa = 1.5;
fb = 2.0;
f1 = FUNC(nextafter) (fa, fb);
fprintf( stdout, STR(nextafter) " : " PRI "\n", f1);
fa = 3.01;
fb = 2.0;
f1 = FUNC(pow) (fa, fb);
fprintf( stdout, STR(pow) " : " PRI "\n", f1);
fa = 3.01;
fb = 2.0;
f1 = FUNC(remainder) (fa, fb);
fprintf( stdout, STR(remainder) " : " PRI "\n", f1);
fa = 29.0;
fb = 3.0;
f1 = FUNC(remquo) (fa, fb, &i1);
fprintf( stdout, STR(remquo) " : " PRI "\n", f1);
fa = 0.5;
f1 = FUNC(rint) (fa);
fprintf( stdout, STR(rint) " : " PRI "\n", f1);
fa = -0.5;
f1 = FUNC(rint) (fa);
fprintf( stdout, STR(rint) " : " PRI "\n", f1);
fa = 0.5;
f1 = FUNC(round) (fa);
fprintf( stdout, STR(round) " : " PRI "\n", f1);
fa = -0.5;
f1 = FUNC(round) (fa);
fprintf( stdout, STR(round) " : " PRI "\n", f1);
fa = 1.2;
ia = 3;
f1 = FUNC(scalbln) (fa, ia);
fprintf( stdout, STR(scalbln) " : " PRI "\n", f1);
fa = 1.2;
ia = 3;
f1 = FUNC(scalbn) (fa, ia);
fprintf( stdout, STR(scalbn) " : " PRI "\n", f1);
/* no type-specific variant */
fa = 1.0;
i1 = signbit(fa);
fprintf( stdout, "signbit : %i\n", i1);
fa = M_PI_4;
f1 = FUNC(sin) (fa);
fprintf( stdout, STR(sin) " : " PRI "\n", f1);
fa = M_PI_4;
f1 = FUNC(sinh) (fa);
fprintf( stdout, STR(sinh) " : " PRI "\n", f1);
fa = 9.0;
f1 = FUNC(sqrt) (fa);
fprintf( stdout, STR(sqrt) " : " PRI "\n", f1);
fa = M_PI_4;
f1 = FUNC(tan) (fa);
fprintf( stdout, STR(tan) " : " PRI "\n", f1);
fa = M_PI_4;
f1 = FUNC(tanh) (fa);
fprintf( stdout, STR(tanh) " : " PRI "\n", f1);
fa = 2.1;
f1 = FUNC(tgamma) (fa);
fprintf( stdout, STR(tgamma) " : " PRI "\n", f1);
fa = 3.5;
f1 = FUNC(trunc) (fa);
fprintf( stdout, STR(trunc) " : " PRI "\n", f1);
fa = 1.2;
f1 = FUNC(y0) (fa);
fprintf( stdout, STR(y0) " : " PRI "\n", f1);
fa = 1.2;
f1 = FUNC(y1) (fa);
fprintf( stdout, STR(y1) " : " PRI "\n", f1);
ia = 3;
fa = 1.2;
f1 = FUNC(yn) (ia, fa);
fprintf( stdout, STR(yn) " : " PRI "\n", f1);
#endif
}
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