style: replace C++ casts with C-style casts

Converts all static_cast<>, reinterpret_cast<> to C-style casts
per CODING_STYLE.md guidelines.

- Modified 12 files across gpu, 3d, util, tests, and tools
- All builds passing, 34/34 tests passing
- No functional changes, pure style cleanup

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

1 files changed, 17 insertions, 17 deletions

diff --git a/tools/cnn_test.cc b/tools/cnn_test.cc
index 25a1285..5694a62 100644
--- a/tools/cnn_test.cc
+++ b/tools/cnn_test.cc
@@ -176,7 +176,7 @@ static WGPUTexture load_texture(WGPUDevice device, WGPUQueue queue,
       .usage = WGPUTextureUsage_TextureBinding | WGPUTextureUsage_CopyDst |
                WGPUTextureUsage_RenderAttachment,
       .dimension = WGPUTextureDimension_2D,
-      .size = {static_cast<uint32_t>(width), static_cast<uint32_t>(height), 1},
+      .size = {(uint32_t)(width), (uint32_t)(height), 1},
       .format = WGPUTextureFormat_BGRA8Unorm,
       .mipLevelCount = 1,
       .sampleCount = 1,
@@ -200,10 +200,10 @@ static WGPUTexture load_texture(WGPUDevice device, WGPUQueue queue,
   // Upload to GPU
   const WGPUTexelCopyTextureInfo dst = {.texture = texture, .mipLevel = 0};
   const WGPUTexelCopyBufferLayout layout = {
-      .bytesPerRow = static_cast<uint32_t>(width * 4),
-      .rowsPerImage = static_cast<uint32_t>(height)};
-  const WGPUExtent3D size = {static_cast<uint32_t>(width),
-                             static_cast<uint32_t>(height), 1};
+      .bytesPerRow = (uint32_t)(width * 4),
+      .rowsPerImage = (uint32_t)(height)};
+  const WGPUExtent3D size = {(uint32_t)(width),
+                             (uint32_t)(height), 1};
   wgpuQueueWriteTexture(queue, &dst, bgra_data.data(), bgra_data.size(),
                         &layout, &size);
 
@@ -238,7 +238,7 @@ static WGPUTexture load_depth_from_alpha(WGPUDevice device, WGPUQueue queue,
   const WGPUTextureDescriptor depth_desc = {
       .usage = WGPUTextureUsage_TextureBinding | WGPUTextureUsage_CopyDst,
       .dimension = WGPUTextureDimension_2D,
-      .size = {static_cast<uint32_t>(width), static_cast<uint32_t>(height), 1},
+      .size = {(uint32_t)(width), (uint32_t)(height), 1},
       .format = WGPUTextureFormat_R32Float,
       .mipLevelCount = 1,
       .sampleCount = 1,
@@ -253,10 +253,10 @@ static WGPUTexture load_depth_from_alpha(WGPUDevice device, WGPUQueue queue,
   const WGPUTexelCopyTextureInfo dst = {.texture = depth_texture,
                                         .mipLevel = 0};
   const WGPUTexelCopyBufferLayout layout = {
-      .bytesPerRow = static_cast<uint32_t>(width * sizeof(float)),
-      .rowsPerImage = static_cast<uint32_t>(height)};
-  const WGPUExtent3D size = {static_cast<uint32_t>(width),
-                             static_cast<uint32_t>(height), 1};
+      .bytesPerRow = (uint32_t)(width * sizeof(float)),
+      .rowsPerImage = (uint32_t)(height)};
+  const WGPUExtent3D size = {(uint32_t)(width),
+                             (uint32_t)(height), 1};
   wgpuQueueWriteTexture(queue, &dst, depth_data.data(),
                         depth_data.size() * sizeof(float), &layout, &size);
 
@@ -474,8 +474,8 @@ readback_rgba32uint_to_bgra8(WGPUDevice device, WGPUQueue queue,
   dst.layout.bytesPerRow = padded_bytes_per_row;
   dst.layout.rowsPerImage = height;
 
-  WGPUExtent3D copy_size = {static_cast<uint32_t>(width),
-                            static_cast<uint32_t>(height), 1};
+  WGPUExtent3D copy_size = {(uint32_t)(width),
+                            (uint32_t)(height), 1};
 
   wgpuCommandEncoderCopyTextureToBuffer(encoder, &src, &dst, &copy_size);
 
@@ -575,7 +575,7 @@ readback_rgba32uint_to_bgra8(WGPUDevice device, WGPUQueue queue,
           return 0;
         if (v >= 1.0f)
           return 255;
-        return static_cast<uint8_t>(v * 255.0f + 0.5f);
+        return (uint8_t)(v * 255.0f + 0.5f);
       };
 
       result[(y * width + x) * 4 + 0] = clamp_u8(b);
@@ -743,7 +743,7 @@ static bool process_cnn_v2(WGPUDevice device, WGPUQueue queue,
       .usage = WGPUTextureUsage_StorageBinding |
                WGPUTextureUsage_TextureBinding | WGPUTextureUsage_CopySrc,
       .dimension = WGPUTextureDimension_2D,
-      .size = {static_cast<uint32_t>(width), static_cast<uint32_t>(height), 1},
+      .size = {(uint32_t)(width), (uint32_t)(height), 1},
       .format = WGPUTextureFormat_RGBA32Uint,
       .mipLevelCount = 1,
       .sampleCount = 1,
@@ -1350,7 +1350,7 @@ int main(int argc, char** argv) {
       .usage = WGPUTextureUsage_TextureBinding |
                WGPUTextureUsage_RenderAttachment | WGPUTextureUsage_CopySrc,
       .dimension = WGPUTextureDimension_2D,
-      .size = {static_cast<uint32_t>(width), static_cast<uint32_t>(height), 1},
+      .size = {(uint32_t)(width), (uint32_t)(height), 1},
       .format = WGPUTextureFormat_RGBA16Float,
       .mipLevelCount = 1,
       .sampleCount = 1,
@@ -1385,8 +1385,8 @@ int main(int argc, char** argv) {
 
     // Update uniforms
     UniformsSequenceParams common_u = {
-        .resolution = {static_cast<float>(width), static_cast<float>(height)},
-        .aspect_ratio = static_cast<float>(width) / static_cast<float>(height),
+        .resolution = {(float)(width), (float)(height)},
+        .aspect_ratio = (float)(width) / (float)(height),
         .time = 0.0f,
         .beat_time = 0.0f,
         .beat_phase = 0.0f,