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Saner behavior in rb_gsl_complex_printf. #50

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Saner behavior in rb_gsl_complex_printf. #50

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8420c5a
Saner behavior in rb_gsl_complex_printf.
Sep 23, 2017
ce0aeac
Ruby 1.9 compatibility fix
Sep 23, 2017
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13 changes: 9 additions & 4 deletions ext/gsl_native/complex.c
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Original file line number Diff line number Diff line change
Expand Up @@ -166,12 +166,17 @@ static VALUE rb_gsl_complex_print(VALUE obj)
static VALUE rb_gsl_complex_printf(VALUE obj, VALUE s)
{
gsl_complex *c = NULL;
char tmp[32], format[64];
VALUE format, out;
VALUE vals[2];
Check_Type(s, T_STRING);
Data_Get_Struct(obj, gsl_complex, c);
strcpy(tmp, STR2CSTR(s));
sprintf(format, "%s %s\n", tmp, tmp);
fprintf(stdout, format, GSL_REAL(*c), GSL_IMAG(*c));

vals[0] = rb_float_new(GSL_REAL(*c));
vals[1] = rb_float_new(GSL_IMAG(*c));
format = rb_sprintf("%s %s\n", STR2CSTR(s), STR2CSTR(s));
RB_GC_GUARD(s);
out = rb_str_format(2, vals, format);
fwrite(StringValuePtr(out), 1, RSTRING_LEN(out), stdout);
return obj;
}

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