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Add fp32 test for custom function #36

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Add fp32 test for custom function #36

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1 change: 1 addition & 0 deletions test/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -188,6 +188,7 @@ add_fortran_tests (
"tan_sfp32.f90"
"tan_sfp64.f90"
"print_tokens.f90"
"custom_r1fp32.f90"
"custom_r1fp64.f90"
"parsing_difficult_r1fp64.f90"
"parsing_vanderpol_sfp64.f90")
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33 changes: 33 additions & 0 deletions test/custom_r1fp32.f90
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@@ -0,0 +1,33 @@
program test
use iso_fortran_env,only:i1 => int8,i2 => int16,i4 => int32,i8 => int64, &
r4 => real32,r8 => real64,r16 => real128
use FEQParse

implicit none

write(*,'(A,I20)') "test ",testing()

contains

integer function testing() result(r)
!private
type(EquationParser) :: f
real(r4) :: feval

call AddFunction("myfunc",myfunc32)

f = EquationParser("MYFUNC(x)",["x"])

feval = f%evaluate([1.0_r4])
if((abs(feval-0.5_r4)) <= epsilon(1.0_r4)) then
r = 0
else
r = 1
endif
endfunction

pure real(r4) function myfunc32(x)
real(r4),intent(in) :: x
myfunc32 = x/2.0_r4
endfunction
endprogram