SCM_ROUND_CEIL   2188 src/gauche.h       SCM_ROUND_CEIL,
SCM_ROUND_CEIL   1737 src/number.c       case SCM_ROUND_CEIL:  r = ceil(v); break;
SCM_ROUND_CEIL    722 src/stdlib.c    SCM_RESULT = (Scm_Round(v, SCM_ROUND_CEIL));