From d33bd771f86f9a7eb928333f651774ab695d95e4 Mon Sep 17 00:00:00 2001
From: aprilnightk <aprilnightk@tilde.team>
Date: Mon, 8 Sep 2025 17:31:34 +0300
Subject: [PATCH] fixed freq and r_amp float precision

---
 zigsonnum/activity.zig | 10 +++++-----
 zigsonnum/freqamp.zig  | 10 +++++-----
 zigsonnum/sonnum.zig   | 10 +++++-----
 3 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/zigsonnum/activity.zig b/zigsonnum/activity.zig
index c23c321..bc33110 100644
--- a/zigsonnum/activity.zig
+++ b/zigsonnum/activity.zig
@@ -8,7 +8,7 @@ pub const Activity = struct {
 	end_tick: u32,
 	opcode: u16,
 	soundnode: *SoundNode,
-	operands: [10]f16 = std.mem.zeroes([10]f16),
+	operands: [10]f64 = std.mem.zeroes([10]f64),
 	
 	pub fn do(self: *Activity) !void {
 		switch (self.opcode) {
@@ -32,20 +32,20 @@ pub const Activity = struct {
 		
 		try self.soundnode.freqamp.reset();
 		
-		const init_freq: f16 = self.operands[0];
-		const final_freq: f16 = self.operands[1];
+		const init_freq: f64 = self.operands[0];
+		const final_freq: f64 = self.operands[1];
 		
 		const timediff: u32 = self.end_tick - self.start_tick;
 		const elapsed: u32 = self.soundnode.freqamp.current_tick - self.start_tick;
 		const freqdiff: f128 = ((@as(f128, final_freq - init_freq))) / @as(f128, @floatFromInt(timediff));
 		
-		const res_freq: f16 = init_freq + @as(f16, @floatCast(freqdiff * @as(f128, @floatFromInt(elapsed)) ));
+		const res_freq: f64 = init_freq + @as(f64, @floatCast(freqdiff * @as(f128, @floatFromInt(elapsed)) ));
 		
 		try self.soundnode.freqamp.setfreq(res_freq, self.operands[2]);
 		
 		if (self.soundnode.freqamp.current_tick % 44100 == 0) {
 			print("TIMEDIFF {d}\n", .{timediff});
-			print("FREQDIFF {d}\n", .{@as(f16, @floatCast(freqdiff))});	
+			print("FREQDIFF {d}\n", .{@as(f64, @floatCast(freqdiff))});	
 			print("RESFREQ {d}\n", .{res_freq});	
 			self.soundnode.freqamp.prnt();
 		}
diff --git a/zigsonnum/freqamp.zig b/zigsonnum/freqamp.zig
index fa10c83..d040a5c 100644
--- a/zigsonnum/freqamp.zig
+++ b/zigsonnum/freqamp.zig
@@ -6,10 +6,10 @@ const ArrayList = std.ArrayList;
 
 pub const FreqAmp = struct {
 	
-	freq: f16,
-	r_amp: f16,
+	freq: f64,
+	r_amp: f64,
 	
-	pub fn create(allocator: Allocator, freq: f16, r_amp: f16) !*FreqAmp {
+	pub fn create(allocator: Allocator, freq: f64, r_amp: f64) !*FreqAmp {
 	
 		const fa = try allocator.create(FreqAmp);
 		fa.* = .{.freq = freq, .r_amp = r_amp};
@@ -172,7 +172,7 @@ pub const FreqAmpBuffer = struct {
 		
 	}
 
-	pub fn setfreq(self: *FreqAmpBuffer, freq: f16, r_amp: f16) !void {
+	pub fn setfreq(self: *FreqAmpBuffer, freq: f64, r_amp: f64) !void {
 
 		const cur_index = self.index_by_tick(self.current_tick);
 		var clist = self.freqamps[cur_index];
@@ -197,7 +197,7 @@ pub const FreqAmpBuffer = struct {
 		
 	}
 
-	pub fn addfreq(self: *FreqAmpBuffer, freq: f16, r_amp: f16) !void {
+	pub fn addfreq(self: *FreqAmpBuffer, freq: f64, r_amp: f64) !void {
 
 		const cur_index = self.index_by_tick(self.current_tick);
 		var clist = self.freqamps[cur_index];
diff --git a/zigsonnum/sonnum.zig b/zigsonnum/sonnum.zig
index 05f459f..d010463 100644
--- a/zigsonnum/sonnum.zig
+++ b/zigsonnum/sonnum.zig
@@ -10,9 +10,9 @@ const Activity = @import("activity.zig").Activity;
 const SoundSettings = @import("settings.zig").SoundSettings;
 
 
-pub fn singleSineTick(st: *SoundSettings, freq: f16, t: u32) f64 {
+pub fn singleSineTick(st: *SoundSettings, freq: f64, t: u32) f64 {
 	const ft: f64 = @floatFromInt(t);
-	return math.sin(st.sine_multiplier * @as(f64, freq) * ft);
+	return math.sin(st.sine_multiplier * freq * ft);
 }
 
 
@@ -26,7 +26,7 @@ pub fn main() !void {
 	var settings: SoundSettings = SoundSettings{};	
 	
 	const start_tick: u32 = 0;
-	const end_tick: u32 = 44100 * 10;
+	const end_tick: u32 = 44100 * 3;
 	
 	var left: SoundNode = try SoundNode.init(allocator, "left_sink");
 	defer left.deinit();
@@ -47,7 +47,7 @@ pub fn main() !void {
 	};
 	
 	a.operands[0] = 410.0;
-	a.operands[1] = 0.8;
+	a.operands[1] = 0.5;
 	
 	var sine2: SoundNode = try SoundNode.init(allocator, "sine2");
 	defer sine2.deinit();
@@ -91,7 +91,7 @@ pub fn main() !void {
 	try soundnodes.append(&left);
 	try soundnodes.append(&right);
 	
-	try left.wire_in.append(&sine2);
+	try left.wire_in.append(&sine);
 	try right.wire_in.append(&sine2);
 	
 	var tick: u32 = start_tick;