From d653fc6500f5a09eb509edf7ad0599ab1632ddc1 Mon Sep 17 00:00:00 2001
From: Daniel Cerqueira <dan.git@lispclub.com>
Date: Mon, 17 Aug 2026 10:20:27 +0100
Subject: remove and > and < , primitives, add and <= and >=, primitives

---
 README.md                |  6 +++---
 examples/mandelbrot.lali |  4 ++--
 liblali.c                | 23 ++++++++---------------
 3 files changed, 13 insertions(+), 20 deletions(-)

diff --git a/README.md b/README.md
index 2bd4b8b..7f3492f 100644
--- a/README.md
+++ b/README.md
@@ -56,12 +56,12 @@ numbers) or by `-` (for negative numbers).
 
 There is support for the five arithmetic operations `+`, `-`, `*`, `/`, `%` (with
 `%` the operands are automatically converted to integer) as well as the relational
-operations `<`, `>`:
+operations `<=`, `>=`:
 
     (- +5)                    ; -5
     (- +5 +3.2 +.6)           ; +1.2
-    (< +2 +4 +6.8)            ; t
-    (> +4 +8)                 ; f
+    (<= +2 +4 +6.8 +6.8)      ; t
+    (>= +4 +8)                ; f
 
 #### Random number operation
 
diff --git a/examples/mandelbrot.lali b/examples/mandelbrot.lali
index 0268deb..ad3b74f 100644
--- a/examples/mandelbrot.lali
+++ b/examples/mandelbrot.lali
@@ -1,5 +1,5 @@
 (defun for (from to func)
-  (cond ((< from to) (func from) (for (+ from +1) to func))))
+  (cond ((not (>= from to)) (func from) (for (+ from +1) to func))))
 
 (set 'mandelbrot-chars
   (list " " "." "," "`" "'" "\"" ":" ";" "-" "+" "o" "O" "0" "1"
@@ -7,7 +7,7 @@
 
 (defun mandelbrot-iter (x y x0 y0 i)
   (fill ((diff i +28) " ")
-        ((not (> (+ (* x0 x0) (* y0 y0)) +4)) (nth i mandelbrot-chars))
+        ((<= (+ (* x0 x0) (* y0 y0)) +4) (nth i mandelbrot-chars))
         (f (mandelbrot-iter x y
                             (+ (- (* x0 x0) (* y0 y0)) x) (+ (* +2 x0 y0) y)
                             (+ i +1)))))
diff --git a/liblali.c b/liblali.c
index 3636d4b..a8d8adc 100644
--- a/liblali.c
+++ b/liblali.c
@@ -1084,17 +1084,10 @@ DEFINE_PRIMITIVE_ARITHMETIC(primitiveRemainder, %, "+1", atoi,    int,  "%d",  "
 
 /* DEFINE_PRIMITIVE_RELATIONAL(primitiveDifferent,    !=, false) */
 /* DEFINE_PRIMITIVE_RELATIONAL(primitiveEqual,        ==, true) */
-DEFINE_PRIMITIVE_RELATIONAL(primitiveLess,          <, true)
-/* DEFINE_PRIMITIVE_RELATIONAL(primitiveLessEqual,    <=, true) */
-DEFINE_PRIMITIVE_RELATIONAL(primitiveGreater,       >, true)
-/* DEFINE_PRIMITIVE_RELATIONAL(primitiveGreaterEqual, >=, true) */
-
-bool hasADot(char *string) {
-  for (int i = 0; string[i] != '\0'; i++)
-    if (string[i] == '.')
-      return true;
-  return false;
-}
+/* DEFINE_PRIMITIVE_RELATIONAL(primitiveLess,          <, true) */
+DEFINE_PRIMITIVE_RELATIONAL(primitiveLessEqual,    <=, true)
+/* DEFINE_PRIMITIVE_RELATIONAL(primitiveGreater,       >, true) */
+DEFINE_PRIMITIVE_RELATIONAL(primitiveGreaterEqual, >=, true)
 
 Object *say(Object *object, GC_PARAM) {
   if ((object)->type != TYPE_SYMBOL &&
@@ -1338,10 +1331,10 @@ Primitive primitives[] = {
   { "%",       1, -1, primitiveRemainder    },
   /* { "=",       1, -1, primitiveEqual        }, */
   /* { "!",       1, -1, primitiveDifferent    }, */
-  { "<",       1, -1, primitiveLess         },
-  /* { "<=",      1, -1, primitiveLessEqual    }, */
-  { ">",       1, -1, primitiveGreater      },
-  /* { ">=",      1, -1, primitiveGreaterEqual } */
+  /* { "<",       1, -1, primitiveLess         }, */
+  { "<=",      1, -1, primitiveLessEqual    },
+  /* { ">",       1, -1, primitiveGreater      }, */
+  { ">=",      1, -1, primitiveGreaterEqual },
   { "join",    1,  1, primitiveJoin         },
   { "split",   1,  1, primitiveSplit        },
 };
-- 
cgit