From d31d7827a63f54d62eed5575acf422a860969e43 Mon Sep 17 00:00:00 2001
From: matyushev_mo <mikhail.matyushev@gmail.com>
Date: Wed, 25 Feb 2026 22:14:00 +0300
Subject: [PATCH] fix ctx

---
 include/LAB3.h | 14 ++++++++------
 src/LAB3.c     | 22 +++++++++++-----------
 2 files changed, 19 insertions(+), 17 deletions(-)

diff --git a/include/LAB3.h b/include/LAB3.h
index cc4ef85..1e36d80 100644
--- a/include/LAB3.h
+++ b/include/LAB3.h
@@ -5,19 +5,21 @@
 
 #include "shared.h"
 
+typedef double (IterFn)(double, uint32_t);
 typedef struct
 {
     double x;
+    uint32_t i;
+    uint32_t n;
+    IterFn* iter_fn;
 } Context;
-
-typedef double (IterFn)(double, uint32_t);
-typedef double (LoopFn)(Context* ctx, uint32_t, uint32_t max, IterFn* iter_fn);
+typedef double (LoopFn)(Context* ctx);
 
 double iter_fn(double x, uint32_t i);
 
-double for_fn(Context* ctx, uint32_t min, uint32_t max, IterFn* iter_fn);
-double while_fn(Context* ctx, uint32_t min, uint32_t max, IterFn* fiter_fn);
-double do_while_fn(Context* ctx, uint32_t min, uint32_t max, IterFn* iter_fn);
+double for_fn(Context* ctx);
+double while_fn(Context* ctx);
+double do_while_fn(Context* ctx);
 
 void lab_3();
 
diff --git a/src/LAB3.c b/src/LAB3.c
index 7d05bc7..df52d7d 100644
--- a/src/LAB3.c
+++ b/src/LAB3.c
@@ -8,11 +8,11 @@ double iter_fn(double x, uint32_t i)
     return tan(fabs(x)) * sqrt(i);
 }
 
-double for_fn(Context* ctx, uint32_t min, uint32_t max, IterFn *iter_fn)
+double for_fn(Context* ctx)
 {
     double r = 0.0;
 
-    for (uint32_t i = min; i <= max; ++i)
+    for (uint32_t i = ctx->i; i <= ctx->n; ++i)
     {
         r += iter_fn(ctx->x, i);
     }
@@ -20,12 +20,12 @@ double for_fn(Context* ctx, uint32_t min, uint32_t max, IterFn *iter_fn)
     return r;
 }
 
-double while_fn(Context* ctx, uint32_t min, uint32_t max, IterFn *iter_fn)
+double while_fn(Context* ctx)
 {
     double r = 0.0;
 
-    uint32_t i = min;
-    while (i <= max)
+    uint32_t i = ctx->i;
+    while (i <= ctx->n)
     {
         r += iter_fn(ctx->x, i);
         ++i;
@@ -34,31 +34,31 @@ double while_fn(Context* ctx, uint32_t min, uint32_t max, IterFn *iter_fn)
     return r;
 }
 
-double do_while_fn(Context* ctx, uint32_t min, uint32_t max, IterFn *iter_fn)
+double do_while_fn(Context* ctx)
 {
     double r = 0.0;
 
-    uint32_t i = min;
+    uint32_t i = ctx->i;
     do
     {
         r += iter_fn(ctx->x, i);
         ++i;
     }
-    while (i <= max);
+    while (i <= ctx->i);
 
     return r;
 }
 
 void lab_3()
 {
-        Context ctx = { .x = 0 };
+        Context ctx = { .i = 1, .x = 0 };
         uint32_t n = 0;
 
         printf("Enter [x]: ");
         READ_EXACT("%lf", ctx.x);
 
         printf("Enter [N]: ");
-        READ_EXACT("%u", n);
+        READ_EXACT("%u", ctx.n);
 
         LoopFn* loop_fn;
 
@@ -94,6 +94,6 @@ void lab_3()
                     continue;
             }
 
-            printf("y(x=%lf,N=%u) = %lf\n", ctx.x, n, tan(fabs(ctx.x)) * loop_fn(&ctx, 1, n, iter_fn));
+            printf("y(x=%lf,N=%u) = %lf\n", ctx.x, n, tan(fabs(ctx.x)) * loop_fn(&ctx));
         }
 }