# | Line 87 | Line 87 | char **av; | |
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87 | ||
88 | ||
89 | void | |
90 | + | xf_clear() /* clear transform stack */ |
91 | + | { |
92 | + | register XF_SPEC *spec; |
93 | + | |
94 | + | while (xf_argc) |
95 | + | free((MEM_PTR)xf_argv[--xf_argc]); |
96 | + | if (xf_maxarg) { |
97 | + | free((MEM_PTR)xf_argv); |
98 | + | xf_argv = NULL; |
99 | + | xf_maxarg = 0; |
100 | + | } |
101 | + | while ((spec = xf_context) != NULL) { |
102 | + | xf_context = spec->prev; |
103 | + | free((MEM_PTR)spec); |
104 | + | } |
105 | + | } |
106 | + | |
107 | + | |
108 | + | void |
109 | xf_xfmpoint(v1, v2) /* transform a point by the current matrix */ | |
110 | FVECT v1, v2; | |
111 | { |
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