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Dont use math, fix tests

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cpq committed 2026-04-19 09:54:37 +01:00
1 parent 648716f600
commit f74f450dd1
2 files changed
+14 -10
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tutorials/device-dashboard/full-dashboard/server.c
+7 -5
View File
@@ -1,7 +1,6 @@
// SPDX-FileCopyrightText: 2026 Cesanta Software Limited
// SPDX-License-Identifier: GPL-2.0-only or commercial
#include "math.h"
#include "mongoose.h"
#if MG_ARCH == MG_ARCH_UNIX || MG_ARCH == MG_ARCH_WIN32
@@ -27,10 +26,13 @@ size_t print_points(void (*fn)(char, void *), void *arg, va_list *ap) {
for (i = 0; i < NUM_POINTS; i++) {
struct point p;
p.x = (uint16_t) i;
// rand() - 0.5 + sin(x * 0.00002) * 40 + sin(x * 0.001) * 5 + sin(x * 0.1)
// * 2;
p.y1 = 100 + 50 * sin(i * 0.1) + rand() % 21;
p.y2 = 70 + 30 * sin(i * 0.03) + rand() % 17;
p.y1 = 50 -
(uint16_t) ((40 * (i > (NUM_POINTS - 1) / 4
? i - (NUM_POINTS - 1) / 4
: (NUM_POINTS - 1) / 4 - i)) /
(NUM_POINTS - 1)) +
(rand() % 9);
p.y2 = 20 + (uint16_t) ((29 * i) / NUM_POINTS) + (rand() % 5);
n += mg_xprintf(fn, arg, "%s[%hu,%hu,%hu]", comma, p.x, p.y1, p.y2);
comma = ",";
}
tutorials/device-dashboard/realtime-graph/server.c
+7 -5
View File
@@ -1,7 +1,6 @@
// SPDX-FileCopyrightText: 2026 Cesanta Software Limited
// SPDX-License-Identifier: GPL-2.0-only or commercial
#include "math.h"
#include "mongoose.h"
#if MG_ARCH == MG_ARCH_UNIX || MG_ARCH == MG_ARCH_WIN32
@@ -28,10 +27,13 @@ size_t print_points(void (*fn)(char, void *), void *arg, va_list *ap) {
for (i = 0; i < NUM_POINTS; i++) {
struct point p;
p.x = (uint16_t) i;
// rand() - 0.5 + sin(x * 0.00002) * 40 + sin(x * 0.001) * 5 + sin(x * 0.1)
// * 2;
p.y1 = 100 + 50 * sin(i * 0.1) + rand() % 21;
p.y2 = 70 + 30 * sin(i * 0.03) + rand() % 17;
p.y1 = 50 -
(uint16_t) ((40 * (i > (NUM_POINTS - 1) / 4
? i - (NUM_POINTS - 1) / 4
: (NUM_POINTS - 1) / 4 - i)) /
(NUM_POINTS - 1)) +
(rand() % 9);
p.y2 = 20 + (uint16_t) ((29 * i) / NUM_POINTS) + (rand() % 5);
n += mg_xprintf(fn, arg, "%s[%hu,%hu,%hu]", comma, p.x, p.y1, p.y2);
comma = ",";
}