includelib libcmt.lib
includelib libvcruntime.lib
includelib libucrt.lib
includelib legacy_stdio_definitions.lib

extern printf_s: proc, scanf_s: proc, getchar: proc, log10: proc, log: proc, exp: proc

.data
    prompt byte "Enter a number x > 0 : ", 0
    inputFormatString byte "%lf", 0
    invalidInputMessage byte "Error: Invalid Input.", 10, 13, 0
    formatString1 byte "x = %2.6lf", 10, 0
    formatString2 byte "log10(x) = %2.6lf", 10, 0
    formatString3 byte "ln(x) = %2.6lf", 10, 0
    formatString4 byte "e^x = %2.6lf", 10, 0
    ZERO    real8   0.0

.data?
   num real8 ?                              ;

.code
main proc
    push rbp
    mov rbp, rsp
    sub rsp,  32
     lea         rcx,   [prompt]            ;
     call        printf_s                       ;

     lea         rdx,   [num]                   ;  scanf_s("lf", &num);
     lea         rcx,   [inputFormatString]     ;
     call        scanf_s                        ;

     movsd      xmm0, qword ptr [num]
     comisd     xmm0, ZERO
     jle        error

     mov         rdx,   [num]
     lea         rcx,   [formatString1]
     call        printf_s

     movsd       xmm0,  num
     call        log10
     movq        rdx,   xmm0
     lea         rcx,   [formatString2]
     call        printf_s

     movsd       xmm0,  num
     call        log
     movq        rdx,   xmm0
     lea         rcx,   [formatString3]
     call        printf_s

     movsd       xmm0,  num
     call        exp
     movq        rdx,   xmm0
     lea         rcx,   [formatString3]
     call        printf_s
     jmp         terminate

     error:
         lea         rcx,   [invalidInputMessage]
         call        printf_s



    terminate:
        xor rax, rax
        leave
main endp
end