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-rw-r--r--vere/pkg/noun/jets/e/rd.c390
1 files changed, 390 insertions, 0 deletions
diff --git a/vere/pkg/noun/jets/e/rd.c b/vere/pkg/noun/jets/e/rd.c
new file mode 100644
index 0000000..a693e3f
--- /dev/null
+++ b/vere/pkg/noun/jets/e/rd.c
@@ -0,0 +1,390 @@
+/// @file
+
+#include "jets/q.h"
+#include "jets/w.h"
+
+#include "noun.h"
+#include "softfloat.h"
+
+#define DOUBNAN 0x7ff8000000000000
+
+ union doub {
+ float64_t d;
+ c3_d c;
+ };
+
+ static inline c3_t
+ _nan_test(float64_t a)
+ {
+ return !f64_eq(a, a);
+ }
+
+ static inline float64_t
+ _nan_unify(float64_t a)
+ {
+ if ( _nan_test(a) )
+ {
+ *(c3_d*)(&a) = DOUBNAN;
+ }
+ 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
+ u3qer_add(u3_atom a,
+ u3_atom b,
+ u3_atom r)
+ {
+ union doub c, d, e;
+ _set_rounding(r);
+ c.c = u3r_chub(0, a);
+ d.c = u3r_chub(0, b);
+ e.d = _nan_unify(f64_add(c.d, d.d));
+
+ return u3i_chubs(1, &e.c);
+ }
+
+ u3_noun
+ u3wer_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 u3qer_add(a, b, u3x_at(30, cor));
+ }
+ }
+
+/* sub
+*/
+ u3_noun
+ u3qer_sub(u3_atom a,
+ u3_atom b,
+ u3_atom r)
+ {
+ union doub c, d, e;
+ _set_rounding(r);
+ c.c = u3r_chub(0, a);
+ d.c = u3r_chub(0, b);
+ e.d = _nan_unify(f64_sub(c.d, d.d));
+
+ return u3i_chubs(1, &e.c);
+ }
+
+ u3_noun
+ u3wer_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 u3qer_sub(a, b, u3x_at(30, cor));
+ }
+ }
+
+/* mul
+*/
+ u3_noun
+ u3qer_mul(u3_atom a,
+ u3_atom b,
+ u3_atom r)
+ {
+ union doub c, d, e;
+ _set_rounding(r);
+ c.c = u3r_chub(0, a);
+ d.c = u3r_chub(0, b);
+ e.d = _nan_unify(f64_mul(c.d, d.d));
+
+ return u3i_chubs(1, &e.c);
+ }
+
+ u3_noun
+ u3wer_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 u3qer_mul(a, b, u3x_at(30, cor));
+ }
+ }
+
+/* div
+*/
+ u3_noun
+ u3qer_div(u3_atom a,
+ u3_atom b,
+ u3_atom r)
+ {
+ union doub c, d, e;
+ _set_rounding(r);
+ c.c = u3r_chub(0, a);
+ d.c = u3r_chub(0, b);
+ e.d = _nan_unify(f64_div(c.d, d.d));
+
+ return u3i_chubs(1, &e.c);
+ }
+
+ u3_noun
+ u3wer_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 u3qer_div(a, b, u3x_at(30, cor));
+ }
+ }
+
+/* sqt
+*/
+ u3_noun
+ u3qer_sqt(u3_atom a,
+ u3_atom r)
+ {
+ union doub c, d;
+ _set_rounding(r);
+ c.c = u3r_chub(0, a);
+ d.d = _nan_unify(f64_sqrt(c.d));
+
+ return u3i_chubs(1, &d.c);
+ }
+
+ u3_noun
+ u3wer_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 u3qer_sqt(a, u3x_at(30, cor));
+ }
+ }
+
+/* fma
+*/
+ u3_noun
+ u3qer_fma(u3_atom a,
+ u3_atom b,
+ u3_atom c,
+ u3_atom r)
+ {
+ union doub d, e, f, g;
+ _set_rounding(r);
+ d.c = u3r_chub(0, a);
+ e.c = u3r_chub(0, b);
+ f.c = u3r_chub(0, c);
+ g.d = _nan_unify(f64_mulAdd(d.d, e.d, f.d));
+
+ return u3i_chubs(1, &g.c);
+ }
+
+ u3_noun
+ u3wer_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 u3qer_fma(a, b, c, u3x_at(30, cor));
+ }
+ }
+
+/* lth
+*/
+ u3_noun
+ u3qer_lth(u3_atom a,
+ u3_atom b)
+ {
+ union doub c, d;
+ c.c = u3r_chub(0, a);
+ d.c = u3r_chub(0, b);
+
+ return __(f64_lt(c.d, d.d));
+ }
+
+ u3_noun
+ u3wer_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 u3qer_lth(a, b);
+ }
+ }
+
+/* lte
+*/
+ u3_noun
+ u3qer_lte(u3_atom a,
+ u3_atom b)
+ {
+ union doub c, d;
+ c.c = u3r_chub(0, a);
+ d.c = u3r_chub(0, b);
+
+ return __(f64_le(c.d, d.d));
+ }
+
+ u3_noun
+ u3wer_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 u3qer_lte(a, b);
+ }
+ }
+
+/* equ
+*/
+ u3_noun
+ u3qer_equ(u3_atom a,
+ u3_atom b)
+ {
+ union doub c, d;
+ c.c = u3r_chub(0, a);
+ d.c = u3r_chub(0, b);
+
+ return __(f64_eq(c.d, d.d));
+ }
+
+ u3_noun
+ u3wer_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 u3qer_equ(a, b);
+ }
+ }
+
+/* gte
+*/
+ u3_noun
+ u3qer_gte(u3_atom a,
+ u3_atom b)
+ {
+ union doub c, d;
+ c.c = u3r_chub(0, a);
+ d.c = u3r_chub(0, b);
+
+ return __(f64_le(d.d, c.d));
+ }
+
+ u3_noun
+ u3wer_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 u3qer_gte(a, b);
+ }
+ }
+
+/* gth
+*/
+ u3_noun
+ u3qer_gth(u3_atom a,
+ u3_atom b)
+ {
+ union doub c, d;
+ c.c = u3r_chub(0, a);
+ d.c = u3r_chub(0, b);
+
+ return __(f64_lt(d.d, c.d));
+ }
+
+ u3_noun
+ u3wer_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 u3qer_gth(a, b);
+ }
+ }
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