Scm_MakeComplexPolar 2143 src/gauche.h   SCM_EXTERN ScmObj Scm_MakeComplexPolar(double magnitude, double angle);
Scm_MakeComplexPolar 2642 src/number.c               return Scm_MakeComplexPolar(dmag, dangle);
Scm_MakeComplexPolar 1103 src/stdlib.c   SCM_RESULT = Scm_MakeComplexPolar(r, t);