| 1 | #include "apl.h" |
| 2 | |
| 3 | ex_print() |
| 4 | { |
| 5 | |
| 6 | epr0(); |
| 7 | aputchar('\n'); |
| 8 | } |
| 9 | |
| 10 | ex_hprint() |
| 11 | { |
| 12 | |
| 13 | epr0(); |
| 14 | pop(); |
| 15 | } |
| 16 | |
| 17 | epr0() |
| 18 | { |
| 19 | register struct item *p; |
| 20 | register data *dp; |
| 21 | data dp2; |
| 22 | short int dp7; |
| 23 | register i; |
| 24 | int j; |
| 25 | int param[4]; |
| 26 | |
| 27 | p = fetch1(); |
| 28 | if(p->size == 0) |
| 29 | return; |
| 30 | if(p->type == DA) { |
| 31 | for(i=0; i<4; i++) |
| 32 | param[i] = 0; |
| 33 | dp = p->datap; |
| 34 | dp2 = *(dp); |
| 35 | for(i=0; i<p->size; i++) |
| 36 | epr1(*dp++, param); |
| 37 | i = param[1] + param[2]; /* size if fp */ |
| 38 | if(i > thread.digits) |
| 39 | i += 100; |
| 40 | if(param[2]) |
| 41 | i++; |
| 42 | if(i > param[0]+5) { |
| 43 | i = param[0] + 5; /* size if ep */ |
| 44 | param[1] = param[0]; |
| 45 | param[2] = -1; |
| 46 | } |
| 47 | if(param[3]) |
| 48 | i++; /* sign */ |
| 49 | i++; /* leading space */ |
| 50 | param[0] = i; |
| 51 | dp = p->datap; |
| 52 | } |
| 53 | bidx(p); |
| 54 | for(i=1; i<p->size; i++) { |
| 55 | if(intflg) |
| 56 | break; |
| 57 | if(p->type == CH) { |
| 58 | j = getdat(p); |
| 59 | aputchar(j); |
| 60 | } else |
| 61 | epr2(*dp++, param); |
| 62 | for(j=p->rank-2; j>=0; j--) |
| 63 | if(i%idx.del[j] == 0) |
| 64 | aputchar('\n'); |
| 65 | } |
| 66 | if(p->type == CH) { |
| 67 | j = getdat(p); |
| 68 | aputchar(j); |
| 69 | } else |
| 70 | epr2(*dp, param); |
| 71 | } |
| 72 | |
| 73 | epr1(d, param) |
| 74 | data d; |
| 75 | int *param; |
| 76 | { |
| 77 | double f; |
| 78 | register a; |
| 79 | register char *c; |
| 80 | int dp, sg; |
| 81 | |
| 82 | f = d; |
| 83 | c = ecvt(f, thread.digits, &dp, &sg); |
| 84 | a = thread.digits; |
| 85 | while(c[a-1]=='0' && a>1) |
| 86 | a--; |
| 87 | if(a > param[0]) /* sig digits */ |
| 88 | param[0] = a; |
| 89 | a -= dp; |
| 90 | if(a < 0) |
| 91 | a = 0; |
| 92 | if(a > param[2]) /* digits to right of dp */ |
| 93 | param[2] = a; |
| 94 | if(dp > param[1]) /* digits to left of dp */ |
| 95 | param[1] = dp; |
| 96 | param[3] |= sg; /* and sign */ |
| 97 | } |
| 98 | |
| 99 | epr2(d, param) |
| 100 | int *param; |
| 101 | data d; |
| 102 | { |
| 103 | register i; |
| 104 | register char *c, *mc; |
| 105 | double f; |
| 106 | int dp, sg; |
| 107 | |
| 108 | if(param[0]+column > thread.width) { |
| 109 | aputchar('\n'); |
| 110 | putto(param[0]); |
| 111 | } |
| 112 | f = d; |
| 113 | c = ecvt(f, thread.digits, &dp, &sg); |
| 114 | mc = c + thread.digits; |
| 115 | aputchar(' '); |
| 116 | sg = sg? '@': ' '; |
| 117 | if(param[2] < 0) { |
| 118 | if(param[3]) |
| 119 | aputchar(sg); |
| 120 | for(i=0; i<param[1]; i++) { |
| 121 | aputchar(*c++); |
| 122 | if(i == 0) |
| 123 | aputchar('.'); |
| 124 | } |
| 125 | aputchar('e'); |
| 126 | dp--; |
| 127 | if(dp < 0) { |
| 128 | aputchar('@'); |
| 129 | dp = -dp; |
| 130 | } else |
| 131 | aputchar('-'); /* an apl style plus sign */ |
| 132 | aputchar(dp/10 + '0'); |
| 133 | aputchar(dp%10 + '0'); |
| 134 | return; |
| 135 | } |
| 136 | i = dp; |
| 137 | if(i < 0) |
| 138 | i = 0; |
| 139 | for(; i<param[1]; i++) |
| 140 | aputchar(' '); |
| 141 | if(param[3]) |
| 142 | aputchar(sg); |
| 143 | for(i=0; i<dp; i++) |
| 144 | if(c >= mc) |
| 145 | aputchar('0'); else |
| 146 | aputchar(*c++); |
| 147 | for(i=0; i<param[2]; i++) { |
| 148 | if(i == 0) |
| 149 | aputchar('.'); |
| 150 | if(dp < 0) { |
| 151 | aputchar('0'); |
| 152 | dp++; |
| 153 | } else |
| 154 | if(c >= mc) |
| 155 | aputchar('0'); else |
| 156 | aputchar(*c++); |
| 157 | } |
| 158 | } |