Support proper %g, %f, and %a float formatting

See #61
See #104

libc/log/checkaligned.c

@@ -22,9 +22,6 @@
 #include "libc/log/log.h"
 #include "libc/stdio/stdio.h"
 
-STATIC_YOINK("ntoa");
-STATIC_YOINK("stoa");
-
 void __check_fail_aligned(unsigned bytes, uint64_t ptr) {
   fflush(stderr);
   if (!IsTiny()) memsummary(fileno(stderr));

libc/log/checkfail.c

@@ -33,10 +33,6 @@
 #include "libc/sysv/consts/auxv.h"
 #include "libc/sysv/consts/fileno.h"
 
-STATIC_YOINK("ntoa");
-STATIC_YOINK("stoa");
-STATIC_YOINK("ftoa");
-
 /**
  * Handles failure of CHECK_xx() macros.
  */

libc/log/log.mk

@@ -44,7 +44,8 @@ LIBC_LOG_A_DIRECTDEPS =					\
 	LIBC_TIME					\
 	LIBC_TINYMATH					\
 	LIBC_UNICODE					\
-	THIRD_PARTY_DLMALLOC
+	THIRD_PARTY_DLMALLOC				\
+	THIRD_PARTY_GDTOA
 
 LIBC_LOG_A_DEPS :=					\
 	$(call uniq,$(foreach x,$(LIBC_LOG_A_DIRECTDEPS),$($(x))))

libc/log/malloc_stats.c

@@ -20,8 +20,6 @@
 #include "libc/stdio/stdio.h"
 #include "third_party/dlmalloc/dlmalloc.internal.h"
 
-STATIC_YOINK("ntoa");
-
 void malloc_stats(void) {
   struct MallocStats res = dlmalloc_stats(g_dlmalloc);
   (fprintf)(stderr, "max system bytes = %'10zu\r\n", res.maxfp);

libc/log/meminfo.c

@@ -21,9 +21,6 @@
 #include "libc/log/log.h"
 #include "libc/mem/mem.h"
 
-STATIC_YOINK("ntoa");
-STATIC_YOINK("stoa");
-
 static void onmemchunk(void *start, void *end, size_t used_bytes, void *arg) {
   (dprintf)(*(int *)arg, "%p - %p : %08zx / %08lx\r\n", start, end, used_bytes,
             (intptr_t)end - (intptr_t)start);

libc/log/memsummary.c

@@ -20,8 +20,6 @@
 #include "libc/log/log.h"
 #include "libc/mem/mem.h"
 
-STATIC_YOINK("ntoa");
-
 void memsummary(int fd) {
   struct mallinfo mi;
   mi = mallinfo();

libc/log/vflogf.c

@@ -37,10 +37,6 @@
 
 #define kNontrivialSize (8 * 1000 * 1000)
 
-STATIC_YOINK("ntoa");
-STATIC_YOINK("stoa");
-STATIC_YOINK("ftoa");
-
 static struct timespec vflogf_ts;
 
 static int vflogf_loglevel2char(unsigned level) {