ggml-cpu: extern c ggml_table_f32_f16 + chore docs

Signed-off-by: Aaron Teo <[email protected]>

Author: taronaeo

ggml/src/ggml-cpu/ggml-cpu.c

@@ -3460,13 +3460,6 @@ int ggml_cpu_has_sme(void) {
 }
 
 void ggml_cpu_init(void) {
-    // needed to initialize f16 tables
-    {
-        struct ggml_init_params params = { 0, NULL, false };
-        struct ggml_context * ctx = ggml_init(params);
-        ggml_free(ctx);
-    }
-
     ggml_critical_section_start();
 
     static bool is_first_call = true;

ggml/src/ggml-cpu/simd-mappings.h

@@ -138,8 +138,12 @@
 #endif
 
 // precomputed f32 table for f16 (256 KB)
-// defined in ggml.c, initialized in ggml_init()
-GGML_API float ggml_table_f32_f16[1 << 16];
+// defined in ggml-cpu.c, initialized in ggml_cpu_init()
+#ifdef __cplusplus
+extern "C" float ggml_table_f32_f16[1 << 16];
+#else
+extern float ggml_table_f32_f16[1 << 16];
+#endif
 
 // On ARM NEON, it's quicker to directly convert x -> x instead of calling into ggml_lookup_fp16_to_fp32,
 // so we define GGML_CPU_FP16_TO_FP32 and GGML_CPU_FP32_TO_FP16 elsewhere for NEON.