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1d15d5f080
* Other ruby implementations use the spec/ruby directory. [Misc #13792] [ruby-core:82287] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
149 lines
3.3 KiB
C
149 lines
3.3 KiB
C
#include "ruby.h"
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#include "rubyspec.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef HAVE_RB_BIG2DBL
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static VALUE bignum_spec_rb_big2dbl(VALUE self, VALUE num) {
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return rb_float_new(rb_big2dbl(num));
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}
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#endif
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#ifdef HAVE_RB_DBL2BIG
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static VALUE bignum_spec_rb_dbl2big(VALUE self, VALUE num) {
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double dnum = NUM2DBL(num);
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return rb_dbl2big(dnum);
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}
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#endif
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#ifdef HAVE_RB_BIG2LL
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static VALUE bignum_spec_rb_big2ll(VALUE self, VALUE num) {
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return rb_ll2inum(rb_big2ll(num));
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}
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#endif
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#ifdef HAVE_RB_BIG2LONG
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static VALUE bignum_spec_rb_big2long(VALUE self, VALUE num) {
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return LONG2NUM(rb_big2long(num));
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}
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#endif
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#ifdef HAVE_RB_BIG2STR
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static VALUE bignum_spec_rb_big2str(VALUE self, VALUE num, VALUE base) {
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return rb_big2str(num, FIX2INT(base));
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}
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#endif
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#ifdef HAVE_RB_BIG2ULONG
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static VALUE bignum_spec_rb_big2ulong(VALUE self, VALUE num) {
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return ULONG2NUM(rb_big2ulong(num));
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}
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#endif
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#ifdef HAVE_RB_BIG_CMP
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static VALUE bignum_spec_rb_big_cmp(VALUE self, VALUE x, VALUE y) {
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return rb_big_cmp(x, y);
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}
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#endif
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#ifdef HAVE_RB_BIG_PACK
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static VALUE bignum_spec_rb_big_pack(VALUE self, VALUE val) {
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unsigned long buff;
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rb_big_pack(val, &buff, 1);
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return ULONG2NUM(buff);
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}
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#endif
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#if HAVE_ABSINT_SIZE
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static VALUE bignum_spec_rb_big_pack_length(VALUE self, VALUE val) {
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long long_len;
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int leading_bits = 0;
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int divisor = SIZEOF_LONG;
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size_t len = rb_absint_size(val, &leading_bits);
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if (leading_bits == 0) {
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len += 1;
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}
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long_len = len / divisor + ((len % divisor == 0) ? 0 : 1);
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return LONG2NUM(long_len);
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}
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#endif
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#ifdef HAVE_RB_BIG_PACK
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static VALUE bignum_spec_rb_big_pack_array(VALUE self, VALUE val, VALUE len) {
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int i;
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long long_len = NUM2LONG(len);
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VALUE ary = rb_ary_new_capa(long_len);
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unsigned long *buf = malloc(long_len * SIZEOF_LONG);
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/* The array should be filled with recognisable junk so we can check
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it is all cleared properly. */
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for (i = 0; i < long_len; i++) {
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#if SIZEOF_LONG == 8
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buf[i] = 0xfedcba9876543210L;
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#else
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buf[i] = 0xfedcba98L;
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#endif
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}
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rb_big_pack(val, buf, long_len);
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for (i = 0; i < long_len; i++) {
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rb_ary_store(ary, i, ULONG2NUM(buf[i]));
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}
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free(buf);
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return ary;
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}
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#endif
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void Init_bignum_spec(void) {
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VALUE cls;
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cls = rb_define_class("CApiBignumSpecs", rb_cObject);
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#ifdef HAVE_RB_BIG2DBL
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rb_define_method(cls, "rb_big2dbl", bignum_spec_rb_big2dbl, 1);
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#endif
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#ifdef HAVE_RB_DBL2BIG
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rb_define_method(cls, "rb_dbl2big", bignum_spec_rb_dbl2big, 1);
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#endif
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#ifdef HAVE_RB_BIG2LL
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rb_define_method(cls, "rb_big2ll", bignum_spec_rb_big2ll, 1);
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#endif
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#ifdef HAVE_RB_BIG2LONG
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rb_define_method(cls, "rb_big2long", bignum_spec_rb_big2long, 1);
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#endif
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#ifdef HAVE_RB_BIG2STR
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rb_define_method(cls, "rb_big2str", bignum_spec_rb_big2str, 2);
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#endif
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#ifdef HAVE_RB_BIG2ULONG
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rb_define_method(cls, "rb_big2ulong", bignum_spec_rb_big2ulong, 1);
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#endif
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#ifdef HAVE_RB_BIG_CMP
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rb_define_method(cls, "rb_big_cmp", bignum_spec_rb_big_cmp, 2);
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#endif
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#ifdef HAVE_RB_BIG_PACK
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rb_define_method(cls, "rb_big_pack", bignum_spec_rb_big_pack, 1);
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rb_define_method(cls, "rb_big_pack_array", bignum_spec_rb_big_pack_array, 2);
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#endif
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#ifdef HAVE_ABSINT_SIZE
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rb_define_method(cls, "rb_big_pack_length", bignum_spec_rb_big_pack_length, 1);
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#endif
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}
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#ifdef __cplusplus
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extern "C" {
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#endif
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