Remove dead float format code

src/codegen/runtime_hooks.cpp

@@ -241,7 +241,6 @@ void initGlobalFuncs(GlobalState& g) {
     GET(printExprHelper);
     GET(printHelper);
 
-    GET(printFloat);
     GET(listAppendInternal);
     GET(getSysStdout);
 

src/codegen/runtime_hooks.h

@@ -42,7 +42,7 @@ struct GlobalFuncs {
     llvm::Value* unpackIntoArray, *raiseAttributeError, *raiseAttributeErrorStr, *raiseAttributeErrorCapi,
         *raiseAttributeErrorStrCapi, *raiseNotIterableError, *raiseIndexErrorStr, *raiseIndexErrorStrCapi,
         *assertNameDefined, *assertFail, *assertFailDerefNameDefined, *printExprHelper, *printHelper;
-    llvm::Value* printFloat, *listAppendInternal, *getSysStdout;
+    llvm::Value* listAppendInternal, *getSysStdout;
     ExceptionSwitchable<llvm::Value*> runtimeCall0, runtimeCall1, runtimeCall2, runtimeCall3, runtimeCall, runtimeCallN;
     ExceptionSwitchable<llvm::Value*> callattr0, callattr1, callattr2, callattr3, callattr, callattrN;
     llvm::Value* reoptCompiledFunc, *compilePartialFunc;

src/runtime/float.cpp

@@ -838,82 +838,6 @@ Box* floatNonzero(BoxedFloat* self) {
     return boxBool(floatNonzeroUnboxed(self));
 }
 
-std::string floatFmt(double x, int precision, char code) {
-    char fmt[5] = "%.*g";
-    fmt[3] = code;
-
-    if (isnan(x)) {
-        return "nan";
-    }
-    if (isinf(x)) {
-        if (x > 0)
-            return "inf";
-        return "-inf";
-    }
-
-    char buf[40];
-    int n = snprintf(buf, 40, fmt, precision, x);
-
-    int dot = -1;
-    int exp = -1;
-    int first = -1;
-    for (int i = 0; i < n; i++) {
-        char c = buf[i];
-        if (c == '.') {
-            dot = i;
-        } else if (c == 'e') {
-            exp = i;
-        } else if (first == -1 && c >= '0' && c <= '9') {
-            first = i;
-        }
-    }
-
-    if (dot == -1 && exp == -1) {
-        if (n == precision) {
-            memmove(buf + first + 2, buf + first + 1, (n - first - 1));
-            buf[first + 1] = '.';
-            exp = n + 1;
-            int exp_digs = snprintf(buf + n + 1, 5, "e%+.02d", (n - first - 1));
-            n += exp_digs + 1;
-            dot = 1;
-        } else {
-            buf[n] = '.';
-            buf[n + 1] = '0';
-            n += 2;
-
-            return std::string(buf, n);
-        }
-    }
-
-    if (exp != -1 && dot == -1) {
-        return std::string(buf, n);
-    }
-
-    assert(dot != -1);
-
-    int start, end;
-    if (exp) {
-        start = exp - 1;
-        end = dot;
-    } else {
-        start = n - 1;
-        end = dot + 2;
-    }
-    for (int i = start; i >= end; i--) {
-        if (buf[i] == '0') {
-            memmove(buf + i, buf + i + 1, n - i - 1);
-            n--;
-        } else if (buf[i] == '.') {
-            memmove(buf + i, buf + i + 1, n - i - 1);
-            n--;
-            break;
-        } else {
-            break;
-        }
-    }
-    return std::string(buf, n);
-}
-
 template <ExceptionStyle S> static BoxedFloat* _floatNew(Box* a) noexcept(S == CAPI) {
     if (a->cls == float_cls) {
         return static_cast<BoxedFloat*>(a);
@@ -1107,11 +1031,6 @@ Box* floatHash(BoxedFloat* self) {
     return boxInt(_Py_HashDouble(self->d));
 }
 
-extern "C" void printFloat(double d) {
-    std::string s = floatFmt(d, 12, 'g');
-    printf("%s", s.c_str());
-}
-
 static void _addFunc(const char* name, ConcreteCompilerType* rtn_type, void* float_func, void* int_func,
                      void* boxed_func) {
     std::vector<ConcreteCompilerType*> v_ff, v_fi, v_fu;

src/runtime/float.h

@@ -24,8 +24,6 @@ extern "C" double pow_float_float(double lhs, double rhs);
 
 class BoxedFloat;
 bool floatNonzeroUnboxed(BoxedFloat* self);
-
-std::string floatFmt(double x, int precision, char code);
 }
 
 #endif

src/runtime/inline/link_forcer.cpp

@@ -116,7 +116,6 @@ void force() {
     FORCE(printExprHelper);
     FORCE(printHelper);
 
-    FORCE(printFloat);
     FORCE(listAppendInternal);
     FORCE(getSysStdout);
 

src/runtime/types.h

@@ -170,7 +170,6 @@ extern "C" Box* createDict();
 extern "C" Box* createList();
 extern "C" Box* createSlice(Box* start, Box* stop, Box* step);
 extern "C" Box* createTuple(int64_t nelts, Box** elts);
-extern "C" void printFloat(double d);
 
 Box* objectStr(Box*);
 Box* objectRepr(Box*);