333 lines
7.1 KiB
C
333 lines
7.1 KiB
C
/*
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* $Id: prim_math.c,v 1.6 2005-09-24 08:16:02 bacon Exp $
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*/
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#include <xp/lsp/prim.h>
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#include <xp/bas/assert.h>
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xp_lsp_obj_t* xp_lsp_prim_plus (xp_lsp_t* lsp, xp_lsp_obj_t* args)
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{
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xp_lsp_obj_t* body, * tmp;
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xp_lsp_int_t ivalue = 0;
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xp_lsp_real_t rvalue = .0;
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xp_bool_t realnum = xp_false;
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XP_LSP_PRIM_CHECK_ARG_COUNT (lsp, args, 1, XP_LSP_PRIM_MAX_ARG_COUNT);
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xp_assert (XP_LSP_TYPE(args) == XP_LSP_OBJ_CONS);
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body = args;
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//while (body != lsp->mem->nil) {
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while (XP_LSP_TYPE(body) == XP_LSP_OBJ_CONS) {
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tmp = xp_lsp_eval (lsp, XP_LSP_CAR(body));
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if (tmp == XP_NULL) {
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/*lsp->errnum = XP_LSP_ERR_BAD_VALUE; */
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return XP_NULL;
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}
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if (XP_LSP_TYPE(tmp) == XP_LSP_OBJ_INT) {
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if (body == args) {
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xp_assert (realnum == xp_false);
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ivalue = XP_LSP_IVALUE(tmp);
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}
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else {
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if (!realnum)
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ivalue = ivalue + XP_LSP_IVALUE(tmp);
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else
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rvalue = rvalue + XP_LSP_IVALUE(tmp);
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}
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}
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else if (XP_LSP_TYPE(tmp) == XP_LSP_OBJ_REAL) {
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if (body == args) {
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xp_assert (realnum == xp_false);
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realnum = xp_true;
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rvalue = XP_LSP_RVALUE(tmp);
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}
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else {
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if (!realnum) {
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realnum = xp_true;
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rvalue = (xp_lsp_real_t)ivalue;
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}
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rvalue = rvalue + XP_LSP_RVALUE(tmp);
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}
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}
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else {
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lsp->errnum = XP_LSP_ERR_BAD_VALUE;
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return XP_NULL;
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}
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body = XP_LSP_CDR(body);
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}
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xp_assert (body == lsp->mem->nil);
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tmp = (realnum)?
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xp_lsp_make_real (lsp->mem, rvalue):
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xp_lsp_make_int (lsp->mem, ivalue);
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if (tmp == XP_NULL) {
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lsp->errnum = XP_LSP_ERR_MEMORY;
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return XP_NULL;
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}
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return tmp;
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}
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xp_lsp_obj_t* xp_lsp_prim_minus (xp_lsp_t* lsp, xp_lsp_obj_t* args)
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{
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xp_lsp_obj_t* body, * tmp;
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xp_lsp_int_t ivalue = 0;
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xp_lsp_real_t rvalue = .0;
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xp_bool_t realnum = xp_false;
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XP_LSP_PRIM_CHECK_ARG_COUNT (lsp, args, 1, XP_LSP_PRIM_MAX_ARG_COUNT);
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xp_assert (XP_LSP_TYPE(args) == XP_LSP_OBJ_CONS);
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body = args;
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//while (body != lsp->mem->nil) {
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while (XP_LSP_TYPE(body) == XP_LSP_OBJ_CONS) {
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tmp = xp_lsp_eval (lsp, XP_LSP_CAR(body));
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if (tmp == XP_NULL) return XP_NULL;
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if (XP_LSP_TYPE(tmp) == XP_LSP_OBJ_INT) {
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if (body == args) {
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xp_assert (realnum == xp_false);
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ivalue = XP_LSP_IVALUE(tmp);
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}
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else {
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if (!realnum)
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ivalue = ivalue - XP_LSP_IVALUE(tmp);
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else
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rvalue = rvalue - XP_LSP_IVALUE(tmp);
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}
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}
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else if (XP_LSP_TYPE(tmp) == XP_LSP_OBJ_REAL) {
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if (body == args) {
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xp_assert (realnum == xp_false);
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realnum = xp_true;
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rvalue = XP_LSP_RVALUE(tmp);
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}
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else {
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if (!realnum) {
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realnum = xp_true;
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rvalue = (xp_lsp_real_t)ivalue;
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}
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rvalue = rvalue - XP_LSP_RVALUE(tmp);
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}
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}
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else {
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lsp->errnum = XP_LSP_ERR_BAD_VALUE;
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return XP_NULL;
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}
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body = XP_LSP_CDR(body);
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}
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xp_assert (body == lsp->mem->nil);
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tmp = (realnum)?
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xp_lsp_make_real (lsp->mem, rvalue):
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xp_lsp_make_int (lsp->mem, ivalue);
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if (tmp == XP_NULL) {
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lsp->errnum = XP_LSP_ERR_MEMORY;
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return XP_NULL;
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}
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return tmp;
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}
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xp_lsp_obj_t* xp_lsp_prim_multiply (xp_lsp_t* lsp, xp_lsp_obj_t* args)
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{
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xp_lsp_obj_t* body, * tmp;
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xp_lsp_int_t ivalue = 0;
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xp_lsp_real_t rvalue = .0;
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xp_bool_t realnum = xp_false;
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XP_LSP_PRIM_CHECK_ARG_COUNT (lsp, args, 1, XP_LSP_PRIM_MAX_ARG_COUNT);
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xp_assert (XP_LSP_TYPE(args) == XP_LSP_OBJ_CONS);
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body = args;
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//while (body != lsp->mem->nil) {
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while (XP_LSP_TYPE(body) == XP_LSP_OBJ_CONS) {
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tmp = xp_lsp_eval (lsp, XP_LSP_CAR(body));
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if (tmp == XP_NULL) return XP_NULL;
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if (XP_LSP_TYPE(tmp) == XP_LSP_OBJ_INT) {
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if (body == args) {
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xp_assert (realnum == xp_false);
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ivalue = XP_LSP_IVALUE(tmp);
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}
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else {
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if (!realnum)
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ivalue = ivalue * XP_LSP_IVALUE(tmp);
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else
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rvalue = rvalue * XP_LSP_IVALUE(tmp);
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}
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}
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else if (XP_LSP_TYPE(tmp) == XP_LSP_OBJ_REAL) {
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if (body == args) {
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xp_assert (realnum == xp_false);
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realnum = xp_true;
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rvalue = XP_LSP_RVALUE(tmp);
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}
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else {
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if (!realnum) {
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realnum = xp_true;
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rvalue = (xp_lsp_real_t)ivalue;
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}
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rvalue = rvalue * XP_LSP_RVALUE(tmp);
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}
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}
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else {
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lsp->errnum = XP_LSP_ERR_BAD_VALUE;
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return XP_NULL;
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}
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body = XP_LSP_CDR(body);
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}
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xp_assert (body == lsp->mem->nil);
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tmp = (realnum)?
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xp_lsp_make_real (lsp->mem, rvalue):
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xp_lsp_make_int (lsp->mem, ivalue);
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if (tmp == XP_NULL) {
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lsp->errnum = XP_LSP_ERR_MEMORY;
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return XP_NULL;
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}
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return tmp;
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}
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xp_lsp_obj_t* xp_lsp_prim_divide (xp_lsp_t* lsp, xp_lsp_obj_t* args)
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{
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xp_lsp_obj_t* body, * tmp;
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xp_lsp_int_t ivalue = 0;
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xp_lsp_real_t rvalue = .0;
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xp_bool_t realnum = xp_false;
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XP_LSP_PRIM_CHECK_ARG_COUNT (lsp, args, 1, XP_LSP_PRIM_MAX_ARG_COUNT);
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xp_assert (XP_LSP_TYPE(args) == XP_LSP_OBJ_CONS);
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body = args;
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//while (body != lsp->mem->nil) {
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while (XP_LSP_TYPE(body) == XP_LSP_OBJ_CONS) {
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tmp = xp_lsp_eval (lsp, XP_LSP_CAR(body));
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if (tmp == XP_NULL) return XP_NULL;
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if (XP_LSP_TYPE(tmp) == XP_LSP_OBJ_INT) {
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if (body == args) {
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xp_assert (realnum == xp_false);
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ivalue = XP_LSP_IVALUE(tmp);
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}
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else {
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if (!realnum) {
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if (XP_LSP_IVALUE(tmp) == 0) {
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lsp->errnum = XP_LSP_ERR_DIVIDE_BY_ZERO;
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return XP_NULL;
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}
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ivalue = ivalue / XP_LSP_IVALUE(tmp);
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}
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else
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rvalue = rvalue / XP_LSP_IVALUE(tmp);
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}
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}
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else if (XP_LSP_TYPE(tmp) == XP_LSP_OBJ_REAL) {
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if (body == args) {
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xp_assert (realnum == xp_false);
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realnum = xp_true;
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rvalue = XP_LSP_RVALUE(tmp);
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}
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else {
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if (!realnum) {
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realnum = xp_true;
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rvalue = (xp_lsp_real_t)ivalue;
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}
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rvalue = rvalue / XP_LSP_RVALUE(tmp);
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}
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}
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else {
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lsp->errnum = XP_LSP_ERR_BAD_VALUE;
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return XP_NULL;
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}
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body = XP_LSP_CDR(body);
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}
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xp_assert (body == lsp->mem->nil);
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tmp = (realnum)?
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xp_lsp_make_real (lsp->mem, rvalue):
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xp_lsp_make_int (lsp->mem, ivalue);
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if (tmp == XP_NULL) {
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lsp->errnum = XP_LSP_ERR_MEMORY;
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return XP_NULL;
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}
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return tmp;
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}
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xp_lsp_obj_t* xp_lsp_prim_modulus (xp_lsp_t* lsp, xp_lsp_obj_t* args)
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{
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xp_lsp_obj_t* body, * tmp;
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xp_lsp_int_t ivalue = 0;
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XP_LSP_PRIM_CHECK_ARG_COUNT (lsp, args, 1, XP_LSP_PRIM_MAX_ARG_COUNT);
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xp_assert (XP_LSP_TYPE(args) == XP_LSP_OBJ_CONS);
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body = args;
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//while (body != lsp->mem->nil) {
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while (XP_LSP_TYPE(body) == XP_LSP_OBJ_CONS) {
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tmp = xp_lsp_eval (lsp, XP_LSP_CAR(body));
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if (tmp == XP_NULL) return XP_NULL;
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if (XP_LSP_TYPE(tmp) == XP_LSP_OBJ_INT) {
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if (body == args) {
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ivalue = XP_LSP_IVALUE(tmp);
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}
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else {
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if (XP_LSP_IVALUE(tmp) == 0) {
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lsp->errnum = XP_LSP_ERR_DIVIDE_BY_ZERO;
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return XP_NULL;
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}
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ivalue = ivalue % XP_LSP_IVALUE(tmp);
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}
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}
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else if (XP_LSP_TYPE(tmp) == XP_LSP_OBJ_REAL) {
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if (body == args) {
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ivalue = (xp_lsp_int_t)XP_LSP_RVALUE(tmp);
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}
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else {
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xp_lsp_int_t tmpi = (xp_lsp_int_t)XP_LSP_RVALUE(tmp);
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if (tmpi == 0) {
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lsp->errnum = XP_LSP_ERR_DIVIDE_BY_ZERO;
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return XP_NULL;
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}
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ivalue = ivalue % tmpi;
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}
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}
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else {
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lsp->errnum = XP_LSP_ERR_BAD_VALUE;
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return XP_NULL;
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}
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body = XP_LSP_CDR(body);
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}
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xp_assert (body == lsp->mem->nil);
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tmp = xp_lsp_make_int (lsp->mem, ivalue);
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if (tmp == XP_NULL) {
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lsp->errnum = XP_LSP_ERR_MEMORY;
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return XP_NULL;
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}
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return tmp;
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}
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