Fleshing out numerical library.

[scheme.forth.jl.git] / src / scheme-primitives.4th

diff --git a/src/scheme-primitives.4th b/src/scheme-primitives.4th
index 8dad18e..8bcbb97 100644 (file)
--- a/src/scheme-primitives.4th
+++ b/src/scheme-primitives.4th
@@ -151,7 +151,7 @@
 
 \ }}}
 
-\ ==== Primitivle Arithmetic ==== {{{
+\ ==== Numeric types ==== {{{
 
 \ --- Fixnums ---
 
@@ -279,6 +279,10 @@
 ; 1 make-fa-primitive flo:finite?
 
 
+:noname ( flonum -- flonum )
+    swap -1.0 f* swap
+; 1 make-fa-primitive flo:neg
+
 :noname ( flonum -- flonum )
     swap fabs swap
 ; 1 make-fa-primitive flo:abs
@@ -359,6 +363,13 @@
     drop swap drop f/ fatan flonum-type
 ; 2 make-fa-primitive flo:atan2
 
+
+\ --- Conversion ---
+
+:noname ( fixnum -- flonum )
+    drop i->f flonum-type
+; 1 make-fa-primitive fixnum->flonum
+
 \ }}}
 
 \ ==== Pairs and Lists ==== {{{