Esempio n. 1
0
void bar()
{
  /* An argument of NaN is not evaluated at compile-time.  */
#ifndef __SPU__
  foof (__builtin_exp2f (__builtin_nanf("")));
#endif
  foo (__builtin_exp2 (__builtin_nan("")));
  fool (__builtin_exp2l (__builtin_nanl("")));

  /* An argument of Inf/-Inf is not evaluated at compile-time.  */
#ifndef __SPU__
  foof (__builtin_exp2f (__builtin_inff()));
#endif
  foo (__builtin_exp2 (__builtin_inf()));
  fool (__builtin_exp2l (__builtin_infl()));
#ifndef __SPU__
  foof (__builtin_exp2f (-__builtin_inff()));
#endif
  foo (__builtin_exp2 (-__builtin_inf()));
  fool (__builtin_exp2l (-__builtin_infl()));

  /* Result overflows MPFR, which in version 2.2.x has 30 exponent bits.  */
  TESTIT (exp2, 0x1p50);
  /* Result underflows MPFR, which in version 2.2.x has 30 exponent bits.  */
  TESTIT (exp2, -0x1p50);

  /* Result overflows GCC's REAL_VALUE_TYPE, which has 26 exponent bits.  */
  TESTIT (exp2, 0x1p28);
  /* Result underflows GCC's REAL_VALUE_TYPE, which has 26 exponent bits.  */
  TESTIT (exp2, -0x1p28);
  
  /* Result overflows (even an extended) C double's mode.  */
  TESTIT (exp2, 0x1p24);
  /* Result underflows (even an extended) C double's mode.  */
  TESTIT (exp2, -0x1p24);

  /* Ensure that normal arguments/results are folded.  */
  TESTIT (exp2, 1.5);
  TESTIT (exp2, -1.5);
  
  /* The asin arg must be [-1 ... 1] inclusive.  */
  TESTIT (asin, -1.5);
  TESTIT (asin, 1.5);

  /* The acos arg must be [-1 ... 1] inclusive.  */
  TESTIT (acos, -1.5);
  TESTIT (acos, 1.5);
  
  /* The acosh arg must be [1 ... Inf] inclusive.  */
  TESTIT (acosh, 0.5);

  /* The atanh arg must be [-1 ... 1] EXclusive.  */
  TESTIT (atanh, -1.0);
  TESTIT (atanh, 1.0);

  /* The log* arg must be [0 ... Inf] EXclusive.  */
  TESTIT (log, -1.0);
  TESTIT (log, 0.0);
  TESTIT (log, -0.0);
  
  TESTIT (log2, -1.0);
  TESTIT (log2, 0.0);
  TESTIT (log2, -0.0);
  
  TESTIT (log10, -1.0);
  TESTIT (log10, 0.0);
  TESTIT (log10, -0.0);
  
  /* The log1p arg must be [-1 ... Inf] EXclusive.  */
  TESTIT (log1p, -2.0);
  TESTIT (log1p, -1.0);

  /* The tgamma arg errors with zero or negative integers.  */
  TESTIT (tgamma, 0.0);
  TESTIT (tgamma, -0.0);
  TESTIT (tgamma, -1.0);
  TESTIT (tgamma, -2.0);
  TESTIT (tgamma, -3.0);

  /* An argument of NaN is not evaluated at compile-time.  */
#ifndef __SPU__
  foof (__builtin_powf (__builtin_nanf(""), 2.5F));
#endif
  foo (__builtin_pow (__builtin_nan(""), 2.5));
  fool (__builtin_powl (__builtin_nanl(""), 2.5L));
#ifndef __SPU__
  foof (__builtin_powf (2.5F, __builtin_nanf("")));
#endif
  foo (__builtin_pow (2.5, __builtin_nan("")));
  fool (__builtin_powl (2.5L, __builtin_nanl("")));

  /* An argument of Inf/-Inf is not evaluated at compile-time.  */
#ifndef __SPU__
  foof (__builtin_powf (__builtin_inff(), 2.5F));
#endif
  foo (__builtin_pow (__builtin_inf(), 2.5));
  fool (__builtin_powl (__builtin_infl(), 2.5L));
#ifndef __SPU__
  foof (__builtin_powf (-__builtin_inff(), 2.5F));
#endif
  foo (__builtin_pow (-__builtin_inf(), 2.5));
  fool (__builtin_powl (-__builtin_infl(), 2.5L));
#ifndef __SPU__
  foof (__builtin_powf (2.5F, __builtin_inff()));
#endif
  foo (__builtin_pow (2.5, __builtin_inf()));
  fool (__builtin_powl (2.5L, __builtin_infl()));
#ifndef __SPU__
  foof (__builtin_powf (2.5F, -__builtin_inff()));
#endif
  foo (__builtin_pow (2.5, -__builtin_inf()));
  fool (__builtin_powl (2.5L, -__builtin_infl()));

  /* Check for Inv/NaN return values.  */
  TESTIT2 (pow, -0.0, -4.5); /* Returns Inf */
  TESTIT2 (pow, 0.0, -4.5); /* Returns Inf */
  TESTIT2 (pow, -3.0, -4.5); /* Returns NaN */

  /* Check for overflow/underflow.  */
  foof (__builtin_powf (__FLT_MAX__, 3.5F));
  foo (__builtin_pow (__DBL_MAX__, 3.5));
  fool (__builtin_powl (__LDBL_MAX__, 3.5L));
  TESTIT2 (pow, 2.0, 0x1p50);
  foof (__builtin_powf (__FLT_MAX__, -3.5F));
  foo (__builtin_pow (__DBL_MAX__, -3.5));
  fool (__builtin_powl (__LDBL_MAX__, -3.5L));
  TESTIT2 (pow, 2.0, -0x1p50);
  
  /* The sqrt arg must be [0 ... Inf] inclusive.  */
  TESTIT (sqrt, -0.5);
  TESTIT (sqrt, -0.0);
  TESTIT (sqrt, 0.0);

  /* Check for overflow/underflow.  */

  /* These adjustments are too big.  */
#define FLT_EXP_ADJ (2*(__FLT_MAX_EXP__-__FLT_MIN_EXP__)+1)
#define DBL_EXP_ADJ (2*(__DBL_MAX_EXP__-__DBL_MIN_EXP__)+1)
#define LDBL_EXP_ADJ (2*(__LDBL_MAX_EXP__-__LDBL_MIN_EXP__)+1)

  TESTIT2_I2 (ldexp, 1.0, __INT_MAX__);
  TESTIT2_I2 (ldexp, 1.0, -__INT_MAX__-1);
  TESTIT2_I2 (ldexp, -1.0, __INT_MAX__);
  TESTIT2_I2 (ldexp, -1.0, -__INT_MAX__-1);
  TESTIT2_I2ALL (ldexp, __FLT_MIN__, FLT_EXP_ADJ, __DBL_MIN__,
		 DBL_EXP_ADJ, __LDBL_MIN__, LDBL_EXP_ADJ);
  TESTIT2_I2ALL (ldexp, __FLT_MAX__, -FLT_EXP_ADJ, __DBL_MAX__,
		 -DBL_EXP_ADJ, __LDBL_MAX__, -LDBL_EXP_ADJ);
  TESTIT2_I2ALL (ldexp, __FLT_MIN__, __FLT_MIN_EXP__, __DBL_MIN__,
		 __DBL_MIN_EXP__, __LDBL_MIN__, __LDBL_MIN_EXP__);
  TESTIT2_I2ALL (ldexp, __FLT_MAX__, __FLT_MAX_EXP__, __DBL_MAX__,
		 __DBL_MAX_EXP__, __LDBL_MAX__, __LDBL_MAX_EXP__);

  TESTIT2_I2 (scalbn, 1.0, __INT_MAX__);
  TESTIT2_I2 (scalbn, 1.0, -__INT_MAX__-1);
  TESTIT2_I2 (scalbn, -1.0, __INT_MAX__);
  TESTIT2_I2 (scalbn, -1.0, -__INT_MAX__-1);
  TESTIT2_I2ALL (scalbn, __FLT_MIN__, FLT_EXP_ADJ, __DBL_MIN__,
		 DBL_EXP_ADJ, __LDBL_MIN__, LDBL_EXP_ADJ);
  TESTIT2_I2ALL (scalbn, __FLT_MAX__, -FLT_EXP_ADJ, __DBL_MAX__,
		 -DBL_EXP_ADJ, __LDBL_MAX__, -LDBL_EXP_ADJ);
  TESTIT2_I2ALL (scalbn, __FLT_MIN__, __FLT_MIN_EXP__, __DBL_MIN__,
		 __DBL_MIN_EXP__, __LDBL_MIN__, __LDBL_MIN_EXP__);
  TESTIT2_I2ALL (scalbn, __FLT_MAX__, __FLT_MAX_EXP__, __DBL_MAX__,
		 __DBL_MAX_EXP__, __LDBL_MAX__, __LDBL_MAX_EXP__);

  TESTIT2_I2 (scalbln, 1.0, __LONG_MAX__);
  TESTIT2_I2 (scalbln, 1.0, -__LONG_MAX__-1);
  TESTIT2_I2 (scalbln, -1.0, __LONG_MAX__);
  TESTIT2_I2 (scalbln, -1.0, -__LONG_MAX__-1);
  TESTIT2_I2ALL (scalbln, __FLT_MIN__, FLT_EXP_ADJ, __DBL_MIN__,
		 DBL_EXP_ADJ, __LDBL_MIN__, LDBL_EXP_ADJ);
  TESTIT2_I2ALL (scalbln, __FLT_MAX__, -FLT_EXP_ADJ, __DBL_MAX__,
		 -DBL_EXP_ADJ, __LDBL_MAX__, -LDBL_EXP_ADJ);
  TESTIT2_I2ALL (scalbln, __FLT_MIN__, __FLT_MIN_EXP__, __DBL_MIN__,
		 __DBL_MIN_EXP__, __LDBL_MIN__, __LDBL_MIN_EXP__);
  TESTIT2_I2ALL (scalbln, __FLT_MAX__, __FLT_MAX_EXP__, __DBL_MAX__,
		 __DBL_MAX_EXP__, __LDBL_MAX__, __LDBL_MAX_EXP__);

  TESTIT (logb, 0.0);
  TESTIT (logb, -0.0);

  TESTIT (ilogb, 0.0);
  TESTIT (ilogb, -0.0);

#ifndef __SPU__
  foof (__builtin_ilogbf (__builtin_inff()));
#endif
  foo (__builtin_ilogb (__builtin_inf()));
  fool (__builtin_ilogbl (__builtin_infl()));
#ifndef __SPU__
  foof (__builtin_ilogbf (-__builtin_inff()));
#endif
  foo (__builtin_ilogb (-__builtin_inf()));
  fool (__builtin_ilogbl (-__builtin_infl()));

#ifndef __SPU__
  foof (__builtin_ilogbf (__builtin_nanf("")));
#endif
  foo (__builtin_ilogb (__builtin_nan("")));
  fool (__builtin_ilogbl (__builtin_nanl("")));
#ifndef __SPU__
  foof (__builtin_ilogbf (-__builtin_nanf("")));
#endif
  foo (__builtin_ilogb (-__builtin_nan("")));
  fool (__builtin_ilogbl (-__builtin_nanl("")));

  /* The y* arg must be [0 ... Inf] EXclusive.  */
  TESTIT (y0, -1.0);
  TESTIT (y0, 0.0);
  TESTIT (y0, -0.0);

  TESTIT (y1, -1.0);
  TESTIT (y1, 0.0);
  TESTIT (y1, -0.0);

  TESTIT2_I1 (yn, 2, -1.0);
  TESTIT2_I1 (yn, 2, 0.0);
  TESTIT2_I1 (yn, 2, -0.0);

  TESTIT2_I1 (yn, -3, -1.0);
  TESTIT2_I1 (yn, -3, 0.0);
  TESTIT2_I1 (yn, -3, -0.0);

  /* The second argument of remquo/remainder/drem must not be 0.  */
  TESTIT_REMQUO (1.0, 0.0);
  TESTIT_REMQUO (1.0, -0.0);
  TESTIT2 (remainder, 1.0, 0.0);
  TESTIT2 (remainder, 1.0, -0.0);
  TESTIT2 (drem, 1.0, 0.0);
  TESTIT2 (drem, 1.0, -0.0);

  /* The argument to lgamma* cannot be zero or a negative integer.  */
  TESTIT_REENT (lgamma, -4.0); /* lgamma_r */
  TESTIT_REENT (lgamma, -3.0); /* lgamma_r */
  TESTIT_REENT (lgamma, -2.0); /* lgamma_r */
  TESTIT_REENT (lgamma, -1.0); /* lgamma_r */
  TESTIT_REENT (lgamma, -0.0); /* lgamma_r */
  TESTIT_REENT (lgamma, 0.0); /* lgamma_r */
  
  TESTIT_REENT (gamma, -4.0); /* gamma_r */
  TESTIT_REENT (gamma, -3.0); /* gamma_r */
  TESTIT_REENT (gamma, -2.0); /* gamma_r */
  TESTIT_REENT (gamma, -1.0); /* gamma_r */
  TESTIT_REENT (gamma, -0.0); /* gamma_r */
  TESTIT_REENT (gamma, 0.0); /* gamma_r */
}
Esempio n. 2
0
long double exp2l(long double x)
{
    return __builtin_exp2l(x);
}