text: // This is vcl/vcl_cmath.cxx
  
  //:
  // \file
  // \author fsm
  
  #include "vcl_cmath.h"
  
  #ifdef __GNUC__
  double tickle_cmath_inlines()
  {
    float f = vcl_abs(1.0f);
    double d = vcl_abs(1.0);
    return f + d;
  }
  #endif
  
  
  #if defined(__SUNPRO_CC) && (__SUNPRO_CC == 0x500)
  // these symbols go missing at link time. I suspect
  // they are not provided in the run-time library.
  // fsm
  namespace std {
    float atan2(float y, float x) { return float(std::atan2(double(y), double(x))); }
    float sqrt(float x) { return float(std::sqrt(double(x))); }
    float ceil(float x) { return float(std::ceil(double(x))); }
    float floor(float x) { return float(std::floor(double(x))); }
    float sin(float x) { return float(std::sin(double(x))); }
    float fabs(float x) { return float(std::fabs(double(x))); }
    float cos(float x) { return float(std::cos(double(x))); }
    float pow(float x, float a) { return float(std::pow(double(x), double(a))); }
    float exp(float x) { return float(std::exp(double(x))); }
    float log(float x) { return float(std::log(double(x))); }
    float acos(float x) { return float(std::acos(double(x))); }
  
    double abs(double x) { return x >= 0 ? x : -x; }
  
    long double sqrt(long double x) { return std::sqrt(double(x)); } // ouch!
    double pow(double x, int n) { return std::pow(x, double(n)); }
  }
  #endif
  