(import miscmacros srfi-1) #> C_word vector_iota(int count, int start, int step) { C_word *ptr = C_alloc(C_SIZEOF_VECTOR(count)); C_word *p = ptr, *p0 = p; *(p++) = C_VECTOR_TYPE | count; while(count--) { *(p++) = C_fix(start); start+=step; } ptr = p; C_return((C_word)p0); } <# (define vector-iota (foreign-lambda scheme-object "vector_iota" integer integer integer)) (print (vector-iota 10 0 2))