From ca33e8422977a35fd01558e82748dc203b42c1dd Mon Sep 17 00:00:00 2001
From: hybrid <hybrid@hybridlabs.cc>
Date: Fri, 21 Aug 2026 17:28:02 +0300
Subject: upd: tmp

---
 example/example.c |  2 +-
 include/context.h |  2 +-
 src/atragmx.c     | 17 ++++++++++-------
 src/main.c        | 10 ----------
 4 files changed, 12 insertions(+), 19 deletions(-)
 delete mode 100644 src/main.c

diff --git a/example/example.c b/example/example.c
index 977a8ae..bfe843b 100644
--- a/example/example.c
+++ b/example/example.c
@@ -71,7 +71,7 @@ int main(int argc, char** argv) {
     if (ctx.store_range_card && result->range_card != NULL) {
         printf("\nRange card (sim_steps = %zu):\n", ctx.sim_steps);
         for (size_t i = 0; i < ctx.sim_steps; i++) {
-            printf("  шаг %3zu: %.3f\n", i, result->range_card->card->kinetic_energy);
+            printf("  step %3zu: %.3f\n", i, (result->range_card->card+i)->kinetic_energy);
         }
     }
 
diff --git a/include/context.h b/include/context.h
index ce5f913..5c07be3 100644
--- a/include/context.h
+++ b/include/context.h
@@ -82,7 +82,7 @@ typedef struct {
 	double coriolis_vdrift;
 	double coriolis_hdrift;
 	double spin_drift;
-	RangeCard *range_card;
+	RangeCard range_card;
 } ATragMXSolution;
 
 #endif
diff --git a/src/atragmx.c b/src/atragmx.c
index 1b39dbc..7f5ff6d 100644
--- a/src/atragmx.c
+++ b/src/atragmx.c
@@ -3,10 +3,13 @@
 #include <math.h>
 #include <string.h>
 
+#include <assert.h>
+
 #include "ballistics.h"
 #include "constants.h"
 #include "atragmx.h"
 #include "ace.h"
+#include "context.h"
 #include "vector.h"
 #include "misc.h"
 
@@ -76,6 +79,7 @@ ATragMXSolution *ATragMXCalcSolution(ATragMXContext *ctx, ace_config *ace) {
 
 	ctx_range.range_card.card = calloc(ctx_range.range_card.records,
 									   sizeof(RangeCardRecord));
+	assert(ctx_range.range_card.card);
 
 	Vec3 wind1 = {
 		.x = cos(270 - ctx->atmosphere.wind_dir * 30)
@@ -155,7 +159,7 @@ ATragMXSolution *ATragMXCalcSolution(ATragMXContext *ctx, ace_config *ace) {
 		bullet.pos = vec3_add(bullet.pos,
 							  vec3_mul(bullet.velocity, bullet.deltaT * 0.5));
 
-		sln->time_of_flight = sln->time_of_flight + bullet.deltaT;
+		sln->time_of_flight += bullet.deltaT;
 
 		// continue here
         if (ctx->store_range_card) {
@@ -206,7 +210,7 @@ ATragMXSolution *ATragMXCalcSolution(ATragMXContext *ctx, ace_config *ace) {
                 if (ace->ballistics->enabled && bullet.pos.y > 0) {
 					// Coriolis
 					local_solution.h_coriolis_deflection =
-						0.0000729 * bullet.pos.y * local_solution.time_of_flight
+						0.0000729 * bullet.pos.y * sln->time_of_flight
 						* sin(ctx->target.latitude);
 
 					local_solution.h_coriolis =
@@ -230,7 +234,7 @@ ATragMXSolution *ATragMXCalcSolution(ATragMXContext *ctx, ace_config *ace) {
                     local_solution.spin_deflection =
 						ctx->gun.twist_dir * 0.0254 * 1.25
 						* (ctx->stability_factor + 1.2)
-						* pow(local_solution.time_of_flight, 1.83);
+						* pow(sln->time_of_flight, 1.83);
 
 					local_solution.spin_drift =
 						- atan(local_solution.spin_deflection / bullet.pos.y);
@@ -256,7 +260,7 @@ ATragMXSolution *ATragMXCalcSolution(ATragMXContext *ctx, ace_config *ace) {
                     (ctx_range.range_card.card+ctx_range.n)->lead = sln->lead;
 
                     (ctx_range.range_card.card+ctx_range.n)->time_of_flight
-						= local_solution.time_of_flight;
+						= sln->time_of_flight;
 
                     (ctx_range.range_card.card+ctx_range.n)->bullet_speed = bullet.speed;
                     (ctx_range.range_card.card+ctx_range.n)->kinetic_energy = kinetic_energy;
@@ -273,7 +277,7 @@ ATragMXSolution *ATragMXCalcSolution(ATragMXContext *ctx, ace_config *ace) {
 	if (ace->ballistics->enabled && bullet.pos.y > 0) {
         // Coriolis
         local_solution.h_coriolis_deflection = 0.0000729 * bullet.pos.y *
-                                               local_solution.time_of_flight *
+                                               sln->time_of_flight *
                                                sin(ctx->target.latitude);
 
         local_solution.h_coriolis =
@@ -294,7 +298,7 @@ ATragMXSolution *ATragMXCalcSolution(ATragMXContext *ctx, ace_config *ace) {
         // Spin drift
         local_solution.spin_deflection =
             ctx->gun.twist_dir * 0.0254 * 1.25 * (ctx->stability_factor + 1.2) *
-            pow(local_solution.time_of_flight, 1.83);
+            pow(sln->time_of_flight, 1.83);
 
         local_solution.spin_drift =
             -atan(local_solution.spin_deflection / bullet.pos.y);
@@ -307,7 +311,6 @@ ATragMXSolution *ATragMXCalcSolution(ATragMXContext *ctx, ace_config *ace) {
 	sln->windage.w1 = local_solution.windage.w1 * 60.0;
 	sln->windage.w2 = local_solution.windage.w2 * 60.0;
 	sln->lead = local_solution.lead;
-	sln->time_of_flight = local_solution.time_of_flight;
 	sln->remaining_velocity = bullet.speed;
 	sln->remaining_energy = kinetic_energy;
 	sln->coriolis_vdrift = local_solution.v_coriolis * 60.0;
diff --git a/src/main.c b/src/main.c
deleted file mode 100644
index 6a74fa7..0000000
--- a/src/main.c
+++ /dev/null
@@ -1,10 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "context.h"
-#include "atragmx.h"
-
-int main(int argc, char** argv) {
-	printf("Hello, %s\n", argv[0]);
-	exit(EXIT_SUCCESS);
-}
-- 
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