interpolation1d

done single-threded 1d interpolations; linear, rational, cubic spline, polynomial and barycentric. Still not done test functions yet. Still missing multi-core options.

makefile

@@ -3,6 +3,11 @@
 CC := g++
 CXXFLAGS := -std=c++14 -Wall -Iinclude -O3 -march=native -fopenmp
 LDFLAGS  := -fopenmp
+# Compiles .h files when there's been a change
+DEPFLAGS := -MMD -MP
+
+CXX ?= g++
+
 
 
 # Directories
@@ -12,7 +17,6 @@ OBJ_DIR := obj
 BIN_DIR := bin
 TEST_BIN := $(BIN_DIR)/tests
 
-# All test sources
 
 
 
@@ -31,6 +35,11 @@ OBJS := $(patsubst $(SRC_DIR)/%.cpp,$(OBJ_DIR)/%.o,$(SRCS))
 # === Test sources ===
 TEST_SRCS := $(shell find test -name 'test_*.cpp')
 TEST_OBJS := $(patsubst test/%.cpp, $(OBJ_DIR)/test/%.o, $(TEST_SRCS))
+
+# Compiles .h files when there's been a change
+DEPS := $(OBJS:.o=.d) $(TEST_OBJS:.o=.d) $(TEST_MAIN:.o=.d)
+-include $(DEPS)
+
 # The single file that defines TEST_MAIN / main()
 TEST_MAIN := $(OBJ_DIR)/test/test_all.o
 
@@ -53,6 +62,12 @@ export OMP_DYNAMIC
 export OMP_SCHEDULE
 export OMP_DISPLAY_ENV
 
+# What belongs to "run" vs "test"
+RUN_DEPS := $(OBJS:.o=.d)
+TEST_DEPS := $(TEST_OBJS:.o=.d) $(TEST_MAIN:.o=.d)
+
+RUN_ARTIFACTS  := $(TARGET) $(OBJS) $(RUN_DEPS)
+TEST_ARTIFACTS := $(TEST_BIN) $(TEST_OBJS) $(TEST_MAIN) $(TEST_DEPS)
 
 
 # === Default Target ===
@@ -66,11 +81,11 @@ $(TARGET): $(OBJS)
 # === Compiling source files to object files ===
 $(OBJ_DIR)/%.o: $(SRC_DIR)/%.cpp
 	@mkdir -p $(dir $@)
-	$(CXX) $(CXXFLAGS) -c $< -o $@
+	$(CXX) $(CXXFLAGS) $(DEPFLAGS) -c $< -o $@
 
 # === Run with OpenMP env set only for the run ===
 .PHONY: run
-run: $(TARGET)
+run: clean-test $(TARGET)
 	@echo ">>> OMP_PROC_BIND=$(OMP_PROC_BIND)"
 	@echo ">>> OMP_PLACES=$(OMP_PLACES)"
 	@echo ">>> OMP_MAX_ACTIVE_LEVELS=$(OMP_MAX_LEVELS)"
@@ -96,11 +111,6 @@ run-single: ## Single-level parallel (good default)
 run-nested: ## Two-level nested (outer,inner), adjust to your cores
 	$(MAKE) run OMP_MAX_LEVELS=2 OMP_THREADS="4,8" OMP_PROC_BIND=close OMP_PLACES=cores
 
-# Clean up
-.PHONY: clean
-clean:
-	rm -rf $(OBJ_DIR) $(BIN_DIR)
-
 # Optional: print debug info
 .PHONY: info
 info:
@@ -111,7 +121,7 @@ info:
 
 
 .PHONY: test
-test: $(TEST_BIN)
+test: clean-run $(TEST_BIN)
 	@echo ">>> OMP_PROC_BIND=$(OMP_PROC_BIND)"
 	@echo ">>> OMP_PLACES=$(OMP_PLACES)"
 	@echo ">>> OMP_MAX_ACTIVE_LEVELS=$(OMP_MAX_LEVELS)"
@@ -134,4 +144,18 @@ $(TEST_BIN): $(TEST_OBJS) $(TEST_MAIN)
 
 $(OBJ_DIR)/test/%.o: test/%.cpp
 	@mkdir -p $(dir $@)
-	$(CXX) $(CXXFLAGS) -c $< -o $@
+	$(CXX) $(CXXFLAGS) $(DEPFLAGS) -c $< -o $@
+
+# Clean up
+.PHONY: clean
+clean:
+	rm -rf $(OBJ_DIR) $(BIN_DIR)
+
+.PHONY: clean-run clean-test
+clean-run:
+	@echo "Cleaning run artifacts..."
+	@rm -f $(RUN_ARTIFACTS)
+
+clean-test:
+	@echo "Cleaning test artifacts..."
+	@rm -f $(TEST_ARTIFACTS)