RetroBSD/retrobsd e5c844einclude math.h stdlib.h, src/cmd/smlrc smlrc.c

Floating point improvements

- Smaller C: fix a bug in __func__ introduced with
  float-related changes
- make *printf() print floats greater than 1e25
- make *printf() print the plus sign when the format
  includes "+", e.g. printf("%+f\n", 1.0);
- clean up and complete prototypes in <math.h>
- remove non-standard HUGE and LOGHUGE from <math.h>
- add HUGE_VAL to <math.h>
- express some hard-coded limits in terms of constants
  from <float.h>
- uncomment prototypes of several floating point
  conversion functions in <stdlib.h> for Smaller C
DeltaFile
+9-9include/math.h
+13-2src/libc/gen/atof.c
+9-4src/libc/stdio/doprnt.c
+5-5src/libc/gen/ldexp.c
+3-2src/libm/exp.c
+2-2src/libm/tan.c
+2-1src/cmd/smlrc/smlrc.c
+1-1src/libm/j0.c
+1-1src/libm/jn.c
+1-1src/libm/log.c
+1-1src/libm/j1.c
+0-2include/stdlib.h
+47-3112 files

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