66 lines
1.0 KiB
C
66 lines
1.0 KiB
C
/* Copyright (C) 2003 Free Software Foundation.
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Verify that built-in math function constant folding doesn't
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cause any problems for the compiler.
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Written by Roger Sayle, 7th June 2003. */
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/* { dg-do compile } */
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/* { dg-options "-O2 -ffast-math" } */
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extern double fabs (double);
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extern float fabsf (float);
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extern long double fabsl (long double);
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extern double sqrt (double);
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extern float sqrtf (float);
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extern long double sqrtl (long double);
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extern double exp (double);
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extern float expf (float);
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extern long double expl (long double);
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double test1(double x)
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{
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return fabs(x*x);
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}
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double test2(double x)
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{
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return fabs(sqrt(x)+2.0);
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}
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double test3(double x)
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{
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return fabs(3.0*exp(x));
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}
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float test1f(float x)
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{
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return fabsf(x*x);
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}
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float test2f(float x)
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{
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return fabsf(sqrtf(x)+2.0f);
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}
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float test3f(float x)
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{
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return fabsf(3.0f*expf(x));
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}
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long double test1l(long double x)
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{
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return fabsl(x*x);
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}
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long double test2l(long double x)
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{
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return fabsl(sqrtl(x)+2.0l);
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}
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long double test3l(long double x)
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{
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return fabsl(3.0l*expl(x));
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}
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