include/math.h

   1 #ifndef _MATH_H
   2
   3 #ifdef _ISOMAC
   4 # undef NO_LONG_DOUBLE
   5 #endif
   6
   7 #include <math/math.h>
   8
   9 #ifndef _ISOMAC
  10 /* Now define the internal interfaces.  */
  11 extern int __signgam;
  12
  13 # if IS_IN (libc) || IS_IN (libm)
  14 hidden_proto (__finite)
  15 hidden_proto (__isinf)
  16 hidden_proto (__isnan)
  17 hidden_proto (__finitef)
  18 hidden_proto (__isinff)
  19 hidden_proto (__isnanf)
  20
  21 #  ifndef __NO_LONG_DOUBLE_MATH
  22 hidden_proto (__finitel)
  23 hidden_proto (__isinfl)
  24 hidden_proto (__isnanl)
  25 #  endif
  26
  27 #  if __HAVE_DISTINCT_FLOAT128
  28 hidden_proto (__finitef128)
  29 hidden_proto (__isinff128)
  30 hidden_proto (__isnanf128)
  31 hidden_proto (__signbitf128)
  32 #  endif
  33 # endif
  34
  35 libm_hidden_proto (__fpclassify)
  36 libm_hidden_proto (__fpclassifyf)
  37 libm_hidden_proto (__issignaling)
  38 libm_hidden_proto (__issignalingf)
  39 libm_hidden_proto (__exp)
  40 libm_hidden_proto (__expf)
  41 libm_hidden_proto (__roundeven)
  42
  43 # ifndef __NO_LONG_DOUBLE_MATH
  44 libm_hidden_proto (__fpclassifyl)
  45 libm_hidden_proto (__issignalingl)
  46 libm_hidden_proto (__expl)
  47 libm_hidden_proto (__expm1l)
  48 # endif
  49
  50 # if __HAVE_DISTINCT_FLOAT128
  51 libm_hidden_proto (__fpclassifyf128)
  52 libm_hidden_proto (__issignalingf128)
  53 libm_hidden_proto (__expf128)
  54 libm_hidden_proto (__expm1f128)
  55 # endif
  56
  57 # if !(defined __FINITE_MATH_ONLY__ && __FINITE_MATH_ONLY__ > 0)
  58 #  ifndef NO_MATH_REDIRECT
  59 /* Declare sqrt for use within GLIBC.  Compilers typically inline sqrt as a
  60    single instruction.  Use an asm to avoid use of PLTs if it doesn't.  */
  61 float (sqrtf) (float) asm ("__ieee754_sqrtf");
  62 double (sqrt) (double) asm ("__ieee754_sqrt");
  63 #   ifndef __NO_LONG_DOUBLE_MATH
  64 long double (sqrtl) (long double) asm ("__ieee754_sqrtl");
  65 #   endif
  66 #   if __HAVE_DISTINCT_FLOAT128 > 0
  67 _Float128 (sqrtf128) (_Float128) asm ("__ieee754_sqrtf128");
  68 #   endif
  69 #  endif
  70 # endif
  71
  72 #endif
  73 #endif