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/* Copyright (C) 2002 Free Software Foundation.
Verify that built-in math function constant folding doesn't
cause any problems for the compiler.
Written by Roger Sayle, 16th August 2002. */
/* { dg-do compile } */
/* { dg-options "-O2 -ffast-math" } */
double test1(double x)
{
return log(exp(x));
}
double test2(double x)
{
return exp(log(x));
}
double test3(double x)
{
return sqrt(exp(x));
}
double test4(double x)
{
return log(sqrt(x));
}
double test5(double x, double y)
{
return sqrt(x)*sqrt(y);
}
double test6(double x, double y)
{
return exp(x)*exp(y);
}
double test7(double x, double y)
{
return x/exp(y);
}
double test8(double x)
{
return fabs(sqrt(x));
}
double test9(double x)
{
return fabs(exp(x));
}
double test10(double x)
{
return tan(atan(x));
}
double test11(double x)
{
return fabs(fabs(x));
}
double test12(double x)
{
return fabs(atan(x));
}
double test13(double x)
{
return fabs(pow(2.0,x));
}
float test1f(float x)
{
return logf(expf(x));
}
float test2f(float x)
{
return expf(logf(x));
}
float test3f(float x)
{
return sqrtf(expf(x));
}
float test4f(float x)
{
return logf(sqrtf(x));
}
float test5f(float x, float y)
{
return sqrtf(x)*sqrtf(y);
}
float test6f(float x, float y)
{
return expf(x)*expf(y);
}
float test7f(float x, float y)
{
return x/expf(y);
}
float test8f(float x)
{
return fabsf(sqrtf(x));
}
float test9f(float x)
{
return fabsf(expf(x));
}
float test10f(float x)
{
return tanf(atanf(x));
}
float test11f(float x)
{
return fabsf(fabsf(x));
}
float test12f(float x)
{
return fabsf(atanf(x));
}
float test13f(float x)
{
return fabsf(powf(2.0f,x));
}
long double test1l(long double x)
{
return logl(expl(x));
}
long double test2l(long double x)
{
return expl(logl(x));
}
long double test3l(long double x)
{
return sqrtl(expl(x));
}
long double test4l(long double x)
{
return logl(sqrtl(x));
}
long double test5l(long double x, long double y)
{
return sqrtl(x)*sqrtl(y);
}
long double test6l(long double x, long double y)
{
return expl(x)*expl(y);
}
long double test7l(long double x, long double y)
{
return x/expl(y);
}
long double test8l(long double x)
{
return fabsl(sqrtl(x));
}
long double test9l(long double x)
{
return fabsl(expl(x));
}
long double test10l(long double x)
{
return tanl(atanl(x));
}
long double test11l(long double x)
{
return fabsl(fabsl(x));
}
long double test12l(long double x)
{
return fabsl(atanl(x));
}
long double test13l(long double x)
{
return fabsl(powl(2.0l,x));
}
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