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-rw-r--r--vere/pkg/noun/jets/e/rs.c390
1 files changed, 390 insertions, 0 deletions
diff --git a/vere/pkg/noun/jets/e/rs.c b/vere/pkg/noun/jets/e/rs.c
new file mode 100644
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--- /dev/null
+++ b/vere/pkg/noun/jets/e/rs.c
@@ -0,0 +1,390 @@
+/// @file
+
+#include "jets/q.h"
+#include "jets/w.h"
+
+#include "noun.h"
+#include "softfloat.h"
+
+#define SINGNAN 0x7fc00000
+
+ union sing {
+ float32_t s;
+ c3_w c;
+ };
+
+ static inline c3_t
+ _nan_test(float32_t a)
+ {
+ return !f32_eq(a, a);
+ }
+
+ static inline float32_t
+ _nan_unify(float32_t a)
+ {
+ if ( _nan_test(a) )
+ {
+ *(c3_w*)(&a) = SINGNAN;
+ }
+ return a;
+ }
+
+ static inline void
+ _set_rounding(c3_w a)
+ {
+ switch ( a )
+ {
+ default:
+ u3m_bail(c3__fail);
+ break;
+ case c3__n:
+ softfloat_roundingMode = softfloat_round_near_even;
+ break;
+ case c3__z:
+ softfloat_roundingMode = softfloat_round_minMag;
+ break;
+ case c3__u:
+ softfloat_roundingMode = softfloat_round_max;
+ break;
+ case c3__d:
+ softfloat_roundingMode = softfloat_round_min;
+ break;
+ }
+ }
+
+/* add
+*/
+ u3_noun
+ u3qet_add(u3_atom a,
+ u3_atom b,
+ u3_atom r)
+ {
+ union sing c, d, e;
+ _set_rounding(r);
+ c.c = u3r_word(0, a);
+ d.c = u3r_word(0, b);
+ e.s = _nan_unify(f32_add(c.s, d.s));
+
+ return u3i_words(1, &e.c);
+ }
+
+ u3_noun
+ u3wet_add(u3_noun cor)
+ {
+ u3_noun a, b;
+
+ if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0) ||
+ c3n == u3ud(a) ||
+ c3n == u3ud(b) )
+ {
+ return u3m_bail(c3__exit);
+ }
+ else {
+ return u3qet_add(a, b, u3x_at(30, cor));
+ }
+ }
+
+/* sub
+*/
+ u3_noun
+ u3qet_sub(u3_atom a,
+ u3_atom b,
+ u3_atom r)
+ {
+ union sing c, d, e;
+ _set_rounding(r);
+ c.c = u3r_word(0, a);
+ d.c = u3r_word(0, b);
+ e.s = _nan_unify(f32_sub(c.s, d.s));
+
+ return u3i_words(1, &e.c);
+ }
+
+ u3_noun
+ u3wet_sub(u3_noun cor)
+ {
+ u3_noun a, b;
+
+ if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0) ||
+ c3n == u3ud(a) ||
+ c3n == u3ud(b) )
+ {
+ return u3m_bail(c3__exit);
+ }
+ else {
+ return u3qet_sub(a, b, u3x_at(30, cor));
+ }
+ }
+
+/* mul
+*/
+ u3_noun
+ u3qet_mul(u3_atom a,
+ u3_atom b,
+ u3_atom r)
+ {
+ union sing c, d, e;
+ _set_rounding(r);
+ c.c = u3r_word(0, a);
+ d.c = u3r_word(0, b);
+ e.s = _nan_unify(f32_mul(c.s, d.s));
+
+ return u3i_words(1, &e.c);
+ }
+
+ u3_noun
+ u3wet_mul(u3_noun cor)
+ {
+ u3_noun a, b;
+
+ if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0) ||
+ c3n == u3ud(a) ||
+ c3n == u3ud(b) )
+ {
+ return u3m_bail(c3__exit);
+ }
+ else {
+ return u3qet_mul(a, b, u3x_at(30, cor));
+ }
+ }
+
+/* div
+*/
+ u3_noun
+ u3qet_div(u3_atom a,
+ u3_atom b,
+ u3_atom r)
+ {
+ union sing c, d, e;
+ _set_rounding(r);
+ c.c = u3r_word(0, a);
+ d.c = u3r_word(0, b);
+ e.s = _nan_unify(f32_div(c.s, d.s));
+
+ return u3i_words(1, &e.c);
+ }
+
+ u3_noun
+ u3wet_div(u3_noun cor)
+ {
+ u3_noun a, b;
+
+ if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0) ||
+ c3n == u3ud(a) ||
+ c3n == u3ud(b) )
+ {
+ return u3m_bail(c3__exit);
+ }
+ else {
+ return u3qet_div(a, b, u3x_at(30, cor));
+ }
+ }
+
+/* sqt
+*/
+ u3_noun
+ u3qet_sqt(u3_atom a,
+ u3_atom r)
+ {
+ union sing c, d;
+ _set_rounding(r);
+ c.c = u3r_word(0, a);
+ d.s = _nan_unify(f32_sqrt(c.s));
+
+ return u3i_words(1, &d.c);
+ }
+
+ u3_noun
+ u3wet_sqt(u3_noun cor)
+ {
+ u3_noun a;
+
+ if ( c3n == (a = u3r_at(u3x_sam, cor)) ||
+ c3n == u3ud(a) )
+ {
+ return u3m_bail(c3__exit);
+ }
+ else {
+ return u3qet_sqt(a, u3x_at(30, cor));
+ }
+ }
+
+/* fma
+*/
+ u3_noun
+ u3qet_fma(u3_atom a,
+ u3_atom b,
+ u3_atom c,
+ u3_atom r)
+ {
+ union sing d, e, f, g;
+ _set_rounding(r);
+ d.c = u3r_word(0, a);
+ e.c = u3r_word(0, b);
+ f.c = u3r_word(0, c);
+ g.s = _nan_unify(f32_mulAdd(d.s, e.s, f.s));
+
+ return u3i_words(1, &g.c);
+ }
+
+ u3_noun
+ u3wet_fma(u3_noun cor)
+ {
+ u3_noun a, b, c;
+
+ if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_6, &b, u3x_sam_7, &c, 0) ||
+ c3n == u3ud(a) ||
+ c3n == u3ud(b) ||
+ c3n == u3ud(c) )
+ {
+ return u3m_bail(c3__exit);
+ }
+ else {
+ return u3qet_fma(a, b, c, u3x_at(30, cor));
+ }
+ }
+
+/* lth
+*/
+ u3_noun
+ u3qet_lth(u3_atom a,
+ u3_atom b)
+ {
+ union sing c, d;
+ c.c = u3r_word(0, a);
+ d.c = u3r_word(0, b);
+
+ return __(f32_lt(c.s, d.s));
+ }
+
+ u3_noun
+ u3wet_lth(u3_noun cor)
+ {
+ u3_noun a, b;
+
+ if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0) ||
+ c3n == u3ud(a) ||
+ c3n == u3ud(b) )
+ {
+ return u3m_bail(c3__exit);
+ }
+ else {
+ return u3qet_lth(a, b);
+ }
+ }
+
+/* lte
+*/
+ u3_noun
+ u3qet_lte(u3_atom a,
+ u3_atom b)
+ {
+ union sing c, d;
+ c.c = u3r_word(0, a);
+ d.c = u3r_word(0, b);
+
+ return __(f32_le(c.s, d.s));
+ }
+
+ u3_noun
+ u3wet_lte(u3_noun cor)
+ {
+ u3_noun a, b;
+
+ if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0) ||
+ c3n == u3ud(a) ||
+ c3n == u3ud(b) )
+ {
+ return u3m_bail(c3__exit);
+ }
+ else {
+ return u3qet_lte(a, b);
+ }
+ }
+
+/* equ
+*/
+ u3_noun
+ u3qet_equ(u3_atom a,
+ u3_atom b)
+ {
+ union sing c, d;
+ c.c = u3r_word(0, a);
+ d.c = u3r_word(0, b);
+
+ return __(f32_eq(c.s, d.s));
+ }
+
+ u3_noun
+ u3wet_equ(u3_noun cor)
+ {
+ u3_noun a, b;
+
+ if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0) ||
+ c3n == u3ud(a) ||
+ c3n == u3ud(b) )
+ {
+ return u3m_bail(c3__exit);
+ }
+ else {
+ return u3qet_equ(a, b);
+ }
+ }
+
+/* gte
+*/
+ u3_noun
+ u3qet_gte(u3_atom a,
+ u3_atom b)
+ {
+ union sing c, d;
+ c.c = u3r_word(0, a);
+ d.c = u3r_word(0, b);
+
+ return __(f32_le(d.s, c.s));
+ }
+
+ u3_noun
+ u3wet_gte(u3_noun cor)
+ {
+ u3_noun a, b;
+
+ if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0) ||
+ c3n == u3ud(a) ||
+ c3n == u3ud(b) )
+ {
+ return u3m_bail(c3__exit);
+ }
+ else {
+ return u3qet_gte(a, b);
+ }
+ }
+
+/* gth
+*/
+ u3_noun
+ u3qet_gth(u3_atom a,
+ u3_atom b)
+ {
+ union sing c, d;
+ c.c = u3r_word(0, a);
+ d.c = u3r_word(0, b);
+
+ return __(f32_lt(d.s, c.s));
+ }
+
+ u3_noun
+ u3wet_gth(u3_noun cor)
+ {
+ u3_noun a, b;
+
+ if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0) ||
+ c3n == u3ud(a) ||
+ c3n == u3ud(b) )
+ {
+ return u3m_bail(c3__exit);
+ }
+ else {
+ return u3qet_gth(a, b);
+ }
+ }