2015-07-29 18:59:21 +03:00
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/* j/e/rs.c
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2015-07-22 22:18:43 +03:00
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**
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*/
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#include "all.h"
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2015-07-29 18:59:21 +03:00
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#include "softfloat.h"
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2015-07-22 22:18:43 +03:00
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#define SINGNAN 0x7fc00000
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2015-07-29 18:59:21 +03:00
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union sing {
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float32_t s;
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c3_w c;
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};
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2015-07-22 22:18:43 +03:00
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/* functions
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*/
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static inline c3_t
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2015-07-29 18:59:21 +03:00
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_nan_test(float32_t a)
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2015-07-22 22:18:43 +03:00
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{
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2015-07-29 18:59:21 +03:00
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return !f32_eq(a, a);
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2015-07-22 22:18:43 +03:00
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}
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2015-07-29 18:59:21 +03:00
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static inline float32_t
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_nan_unify(float32_t a)
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2015-07-22 22:18:43 +03:00
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{
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2015-07-29 23:43:55 +03:00
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if ( _nan_test(a) )
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2015-07-22 22:18:43 +03:00
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{
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*(c3_w*)(&a) = SINGNAN;
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}
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return a;
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}
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/* add
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*/
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u3_noun
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2015-07-29 18:59:21 +03:00
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u3qet_add(u3_atom a, u3_atom b)
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2015-07-22 22:18:43 +03:00
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{
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union sing c, d, e;
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c.c = u3r_word(0, a);
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d.c = u3r_word(0, b);
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2015-07-29 18:59:21 +03:00
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e.s = _nan_unify(f32_add(c.s, d.s));
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2015-07-22 22:18:43 +03:00
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return u3i_words(1, &e.c);
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}
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u3_noun
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2015-07-29 18:59:21 +03:00
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u3wet_add(u3_noun cor)
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2015-07-22 22:18:43 +03:00
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{
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u3_noun a, b;
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if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0) ||
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c3n == u3ud(a) ||
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c3n == u3ud(b) )
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{
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return u3m_bail(c3__exit);
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}
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else {
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2015-07-29 18:59:21 +03:00
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return u3qet_add(a, b);
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2015-07-22 22:18:43 +03:00
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}
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}
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/* sub
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*/
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u3_noun
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2015-07-29 18:59:21 +03:00
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u3qet_sub(u3_atom a, u3_atom b)
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2015-07-22 22:18:43 +03:00
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{
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union sing c, d, e;
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c.c = u3r_word(0, a);
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d.c = u3r_word(0, b);
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2015-07-29 18:59:21 +03:00
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e.s = _nan_unify(f32_sub(c.s, d.s));
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2015-07-22 22:18:43 +03:00
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return u3i_words(1, &e.c);
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}
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u3_noun
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2015-07-29 18:59:21 +03:00
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u3wet_sub(u3_noun cor)
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2015-07-22 22:18:43 +03:00
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{
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u3_noun a, b;
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if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0) ||
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c3n == u3ud(a) ||
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c3n == u3ud(b) )
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{
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return u3m_bail(c3__exit);
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}
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else {
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2015-07-29 18:59:21 +03:00
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return u3qet_sub(a, b);
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2015-07-22 22:18:43 +03:00
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}
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}
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/* mul
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*/
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u3_noun
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2015-07-29 18:59:21 +03:00
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u3qet_mul(u3_atom a, u3_atom b)
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2015-07-22 22:18:43 +03:00
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{
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union sing c, d, e;
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c.c = u3r_word(0, a);
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d.c = u3r_word(0, b);
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2015-07-29 18:59:21 +03:00
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e.s = _nan_unify(f32_mul(c.s, d.s));
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2015-07-22 22:18:43 +03:00
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return u3i_words(1, &e.c);
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}
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u3_noun
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2015-07-29 18:59:21 +03:00
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u3wet_mul(u3_noun cor)
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2015-07-22 22:18:43 +03:00
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{
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u3_noun a, b;
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if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0) ||
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c3n == u3ud(a) ||
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c3n == u3ud(b) )
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{
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return u3m_bail(c3__exit);
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}
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else {
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2015-07-29 18:59:21 +03:00
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return u3qet_mul(a, b);
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2015-07-22 22:18:43 +03:00
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}
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}
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/* div
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*/
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u3_noun
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2015-07-29 18:59:21 +03:00
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u3qet_div(u3_atom a, u3_atom b)
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2015-07-22 22:18:43 +03:00
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{
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union sing c, d, e;
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c.c = u3r_word(0, a);
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d.c = u3r_word(0, b);
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2015-07-29 18:59:21 +03:00
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e.s = _nan_unify(f32_div(c.s, d.s));
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2015-07-22 22:18:43 +03:00
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return u3i_words(1, &e.c);
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}
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u3_noun
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2015-07-29 18:59:21 +03:00
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u3wet_div(u3_noun cor)
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2015-07-22 22:18:43 +03:00
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{
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u3_noun a, b;
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if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0) ||
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c3n == u3ud(a) ||
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c3n == u3ud(b) )
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{
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return u3m_bail(c3__exit);
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}
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else {
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2015-07-29 18:59:21 +03:00
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return u3qet_div(a, b);
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2015-07-22 22:18:43 +03:00
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}
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}
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/* sqt
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*/
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u3_noun
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2015-07-29 18:59:21 +03:00
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u3qet_sqt(u3_atom a)
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2015-07-22 22:18:43 +03:00
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{
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2015-07-29 18:59:21 +03:00
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union sing c, d;
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c.c = u3r_word(0, a);
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d.s = _nan_unify(f32_sqrt(c.s));
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2015-07-22 22:18:43 +03:00
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2015-07-29 18:59:21 +03:00
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return u3i_words(1, &d.c);
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2015-07-22 22:18:43 +03:00
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}
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u3_noun
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2015-07-29 18:59:21 +03:00
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u3wet_sqt(u3_noun cor)
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2015-07-22 22:18:43 +03:00
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{
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u3_noun a;
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if ( c3n == (a = u3r_at(u3x_sam, cor)) ||
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c3n == u3ud(a) )
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{
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return u3m_bail(c3__exit);
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}
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else {
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2015-07-29 18:59:21 +03:00
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return u3qet_sqt(a);
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2015-07-22 22:18:43 +03:00
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}
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}
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2015-07-29 18:59:21 +03:00
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/* fma
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2015-07-22 22:18:43 +03:00
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*/
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u3_noun
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2015-07-29 18:59:21 +03:00
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u3qet_fma(u3_atom a, u3_atom b, u3_atom c)
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2015-07-22 22:18:43 +03:00
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{
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2015-07-29 18:59:21 +03:00
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union sing d, e, f, g;
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d.c = u3r_word(0, a);
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e.c = u3r_word(0, b);
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f.c = u3r_word(0, c);
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g.s = _nan_unify(f32_mulAdd(d.s, e.s, f.s));
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return u3i_words(1, &g.c);
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}
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u3_noun
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u3wet_fma(u3_noun cor)
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{
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u3_noun a, b, c;
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2015-07-22 22:18:43 +03:00
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2015-07-29 18:59:21 +03:00
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if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_6, &b, u3x_sam_7, &c, 0) ||
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c3n == u3ud(a) ||
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c3n == u3ud(b) ||
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c3n == u3ud(c) )
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2015-07-22 22:18:43 +03:00
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{
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2015-07-29 18:59:21 +03:00
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return u3m_bail(c3__exit);
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2015-07-22 22:18:43 +03:00
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}
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else {
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2015-07-29 18:59:21 +03:00
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return u3qet_fma(a, b, c);
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2015-07-22 22:18:43 +03:00
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}
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}
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2015-07-29 18:59:21 +03:00
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/* lth
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*/
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2015-07-22 22:18:43 +03:00
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u3_noun
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2015-07-29 18:59:21 +03:00
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u3qet_lth(u3_atom a, u3_atom b)
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{
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union sing c, d;
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c.c = u3r_word(0, a);
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d.c = u3r_word(0, b);
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return __(f32_lt(c.s, d.s));
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}
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u3_noun
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u3wet_lth(u3_noun cor)
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2015-07-22 22:18:43 +03:00
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{
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u3_noun a, b;
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if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0) ||
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c3n == u3ud(a) ||
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c3n == u3ud(b) )
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{
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return u3m_bail(c3__exit);
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}
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else {
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2015-07-29 18:59:21 +03:00
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return u3qet_lth(a, b);
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2015-07-22 22:18:43 +03:00
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}
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}
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/* lte
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*/
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u3_noun
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2015-07-29 18:59:21 +03:00
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u3qet_lte(u3_atom a, u3_atom b)
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2015-07-22 22:18:43 +03:00
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{
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union sing c, d;
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c.c = u3r_word(0, a);
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d.c = u3r_word(0, b);
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2015-07-29 18:59:21 +03:00
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return __(f32_le(c.s, d.s));
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2015-07-22 22:18:43 +03:00
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}
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u3_noun
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2015-07-29 18:59:21 +03:00
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u3wet_lte(u3_noun cor)
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2015-07-22 22:18:43 +03:00
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{
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u3_noun a, b;
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if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0) ||
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c3n == u3ud(a) ||
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c3n == u3ud(b) )
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{
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return u3m_bail(c3__exit);
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}
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else {
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2015-07-29 18:59:21 +03:00
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return u3qet_lte(a, b);
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2015-07-22 22:18:43 +03:00
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}
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}
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/* equ
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*/
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u3_noun
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2015-07-29 18:59:21 +03:00
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u3qet_equ(u3_atom a, u3_atom b)
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2015-07-22 22:18:43 +03:00
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{
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union sing c, d;
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c.c = u3r_word(0, a);
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d.c = u3r_word(0, b);
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2015-07-29 18:59:21 +03:00
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return __(f32_eq(c.s, d.s));
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2015-07-22 22:18:43 +03:00
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}
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u3_noun
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2015-07-29 18:59:21 +03:00
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u3wet_equ(u3_noun cor)
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2015-07-22 22:18:43 +03:00
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{
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u3_noun a, b;
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if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0) ||
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c3n == u3ud(a) ||
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c3n == u3ud(b) )
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{
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return u3m_bail(c3__exit);
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}
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else {
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2015-07-29 18:59:21 +03:00
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return u3qet_equ(a, b);
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2015-07-22 22:18:43 +03:00
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}
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}
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/* gte
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*/
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u3_noun
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2015-07-29 18:59:21 +03:00
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u3qet_gte(u3_atom a, u3_atom b)
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2015-07-22 22:18:43 +03:00
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{
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union sing c, d;
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c.c = u3r_word(0, a);
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d.c = u3r_word(0, b);
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2015-07-29 18:59:21 +03:00
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return __(f32_le(d.s, c.s));
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2015-07-22 22:18:43 +03:00
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}
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u3_noun
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2015-07-29 18:59:21 +03:00
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u3wet_gte(u3_noun cor)
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2015-07-22 22:18:43 +03:00
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{
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u3_noun a, b;
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if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0) ||
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c3n == u3ud(a) ||
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c3n == u3ud(b) )
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{
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return u3m_bail(c3__exit);
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}
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else {
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2015-07-29 18:59:21 +03:00
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return u3qet_gte(a, b);
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2015-07-22 22:18:43 +03:00
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}
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}
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|
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/* gth
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|
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*/
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|
|
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u3_noun
|
2015-07-29 18:59:21 +03:00
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|
u3qet_gth(u3_atom a, u3_atom b)
|
2015-07-22 22:18:43 +03:00
|
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|
{
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|
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|
union sing c, d;
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c.c = u3r_word(0, a);
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d.c = u3r_word(0, b);
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|
2015-07-29 18:59:21 +03:00
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|
return __(f32_lt(d.s, c.s));
|
2015-07-22 22:18:43 +03:00
|
|
|
}
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|
|
|
u3_noun
|
2015-07-29 18:59:21 +03:00
|
|
|
u3wet_gth(u3_noun cor)
|
2015-07-22 22:18:43 +03:00
|
|
|
{
|
|
|
|
u3_noun a, b;
|
|
|
|
|
|
|
|
if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0) ||
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|
|
c3n == u3ud(a) ||
|
|
|
|
c3n == u3ud(b) )
|
|
|
|
{
|
|
|
|
return u3m_bail(c3__exit);
|
|
|
|
}
|
|
|
|
else {
|
2015-07-29 18:59:21 +03:00
|
|
|
return u3qet_gth(a, b);
|
2015-07-22 22:18:43 +03:00
|
|
|
}
|
|
|
|
}
|