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Annotation of coherent/b/lib/libm/i8087/error87.m, revision 1.1

1.1     ! root        1: //////////
        !             2: / libm 8087
        !             3: / edomain, erange
        !             4: //////////
        !             5: 
        !             6: #include "larges.h"
        !             7: 
        !             8:        .globl  edomain
        !             9:        .globl  erange
        !            10:        .globl  errno_
        !            11: 
        !            12: //////////
        !            13: / edomain replaces the 8087 stacktop with 0.0
        !            14: / and sets errno_ to the appropriate error code.
        !            15: / erange just sets the error code.
        !            16: / They clobber AX and DS in LARGE model.
        !            17: //////////
        !            18: 
        !            19: EDOM   =       33              / domain error code
        !            20: ERANGE =       34              / range error code
        !            21: 
        !            22: edomain:
        !            23:        Map     (ds, ax, $@errno_)
        !            24:        mov     errno_, $EDOM   / Set errno_.
        !            25:        fstp    st              / Pop the stack
        !            26:        fldz                    / and load a 0.
        !            27:        Gret
        !            28: 
        !            29: erange:
        !            30:        Map     (ds, ax, $@errno_)
        !            31:        mov     errno_, $ERANGE / Set errno_.
        !            32:        Gret
        !            33: 
        !            34: / end of error87.m

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