restore mistakenly deleted ggml types..

Author: Nexesenex

ggml/src/ggml.c

@@ -899,6 +899,30 @@ static const ggml_type_traits_t type_traits[GGML_TYPE_COUNT] = {
         .vec_dot_type             = GGML_TYPE_Q8_K,
         .nrows                    = 1,
     },
+    [GGML_TYPE_IQ3_S] = {
+        .type_name                = "iq3_s",
+        .blck_size                = QK_K,
+        .type_size                = sizeof(block_iq3_s),
+        .is_quantized             = true,
+        .to_float                 = (ggml_to_float_t) dequantize_row_iq3_s,
+        .from_float               = quantize_row_iq3_s,
+        .from_float_ref           = (ggml_from_float_t)quantize_row_iq3_s_ref,
+        .vec_dot                  = ggml_vec_dot_iq3_s_q8_K,
+        .vec_dot_type             = GGML_TYPE_Q8_K,
+        .nrows                    = 1,
+    },
+    [GGML_TYPE_IQ2_S] = {
+        .type_name                = "iq2_s",
+        .blck_size                = QK_K,
+        .type_size                = sizeof(block_iq2_s),
+        .is_quantized             = true,
+        .to_float                 = (ggml_to_float_t) dequantize_row_iq2_s,
+        .from_float               = quantize_row_iq2_s,
+        .from_float_ref           = (ggml_from_float_t)quantize_row_iq2_s_ref,
+        .vec_dot                  = ggml_vec_dot_iq2_s_q8_K,
+        .vec_dot_type             = GGML_TYPE_Q8_K,
+        .nrows                    = 1,
+    },
     [GGML_TYPE_IQ1_S] = {
         .type_name                = "iq1_s",
         .blck_size                = QK_K,