1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
#include "f2c.h" #ifdef KR_headers double atan(); double d_atan(x) doublereal *x; #else #undef abs #include "math.h" #ifdef __cplusplus extern "C" { #endif double d_atan(doublereal *x) #endif { return( atan(*x) ); } #ifdef __cplusplus } #endif