feat: added number of nodes & leafs to tree data structure

1 files changed, 85 insertions, 72 deletions

diff --git a/sys/libbio/test.c b/sys/libbio/test.c
index aa14382..dddecd4 100644
--- a/sys/libbio/test.c
+++ b/sys/libbio/test.c
@@ -5,6 +5,77 @@
 #include <time.h>
 #include "kseq.h"
 
+// -----------------------------------------------------------------------
+// Global data
+
+static byte *SEQ[] = {
+"GGCGGCTTCGGTGCGCTGTGTGCATTGCCGCAAAAATATCGTGAACCCGTGCTGGTTTCCGGCACTGACGGCGTAGGTAC"
+"CAAGCTGCGTCTGGCAATGGACTTAAAACGTCACGACACCATTGGTATTGATCTGGTCGCCATGTGCGTTAATGACCTGG"
+"TGGTGCAAGGTGCGGAACCGCTGTTTTTCCTCGACTATTACGCAACCGGAAAACTGGATGTTGATACCGCTTCAGCGGTG"
+"ATCAGCGGCATTGCGGAAGGTTGTCTGCAATCGGGCTGTTCTCTGGTGGGTGGCGAAACGGCAGAAATGCCGGGGATGTA"
+"TCACGGTGAAGATTACGATGTCGCGGGTTTCTGCGTGGGCGTGGTAGAAAAATCAGAAATCATCGACGGCTCTAAAGTCA"
+"GCGACGGCGATGTGCTGATTGCACTCGGTTCCAGCGGTCCGCACTCGAACGGTTATTCGCTGGTGCGCAAAATTCTTGAA"
+"GTCAGCGGTTGTGATCCGCAAACCACCGAACTTGATGGTAAGCCATTAGCCGATCATCTGCTGGCACCGACCCGCATTTA"
+"CGTGAAGTCAGTGCTGGAGTTGATTGAAAAGGTCGATGTGCATGCCATTGCGCACCTGACCGGCGGCGGCTTCTGGGAAA"
+"ACATTCCGCGCGTATTGCCAGATAATACCCAGGCAGTGATTGATGAATCTTCCTGGCAGTGGCCGGAAGTGTTCAACTGG"
+"CTGCAAACGGCAGGTAACGTTGAGCGCCATGAAATGTATCGCACCTTCAACTGCGGCGTCGGGATGATTATCGCCCTGCC"
+"TGCTCCGGAAGTGGACAAAGCCCTCGCCCTGCTCAATGCCAACGGTGAAAACGCGTGGAAAATCGGTATCATCAAAGCCT"
+"CTGATTCCGAACAACGCGTGGTTATCGAATAATGAATATTGTGGTGCTTATTTCCGGCAACGGAAGTAATTTACAGGCAA"
+"TTATTGACGCCTGTAAAACCAACAAAATTAAAGGCACCGTACGGGCAGTTTTCAGCAATAAGGCCGACGCGTTCGGCCTT"
+"GAACGCGCCCGCCAGGCGGGTATTGCAACGCATACGCTCATCGCCAGCGCGTTTGACAGTCGTGAAGCCTATGACCGGGA"
+"GTTGATTCATGAAATCGACATGTACGCACCCGATGTGGTCGTGCTGGCTGGTTTTATGCGCATTCTCAGCCCGGCGTTTG"
+"TCTCCCACTATGCCGGGCGTTTGCTGAACATTCACCCTTCTCTGCTGCCGAAATATCCCGGATTACACACCCATCGTCAA"
+"GCGCTGGAAAATGGCGATGAAGAGCACGGTACATCGGTGCATTTCGTCACCGATGAACTGGACGGTGGCCCGGTTATTTT"
+"ACAGGCGAAAGTCCCGGTATTTGCTGGTGATACGGAAGATGACGTCACCGCCCGCGTGCAAACCCAGGAACACGCCATTT"
+"ATCCACTGGTGATTAGCTGGTTTGCCGATGGTCGTCTGAAAATGCACGAAAACGCCGCGTGGCTGGATGGTCAACGTCTG"
+"CCGCCGCAGGGCTACGCTGCCGACGAGTAATGCCCCCGTAGTTAAAGCGCCAGCTCTGCCGCTGGCGTTTTTCAATTCAC"
+"CTGTAAATCGCAAGCTCCAGCAGTTTTTTTCCCCCTTTTCTGGCATAGTTGGACATCTGCCAATATTGCTCGCCATAATA"
+"TCCAGGCAGTGTCCCGTGAATAAAACGGAGTAAAAGTGGTAATGGGTCAGGAAAAGCTATACATCGAAAAAGAGCTCAGT"
+"TGGTTATCGTTCAATGAACGCGTGCTTCAGGAAGCGGCGGACAAATCTAACCCGCTGATTGAAAGGATGCGTTTCCTGGG"
+"GATCTATTCCAATAACCTTGATGAGTTCTATAAAGTCCGCTTCGCTGAACTGAAGCGACGCATCATTATTAGCGAAGAAC"
+"AAGGCTCCAACTCTCATTCCCGCCATTTACTGGGCAAAATTCAGTCCCGGGTGCTGAAAGCCGATCAGGAATTCGACGGC"
+"CTCTACAACGAGCTATTGCTGGAGATGGCGCGCAACCAGATCTTCCTGATTAATGAACGCCAGCTCTCCGTCAATCAACA"
+"AAACTGGCTGCGTCATTATTTTAAGCAGTATCTGCGTCAGCACATTACGCCGATTTTAATCAATCCTGACACTGACTTAG"
+"TGCAGTTCCTGAAAGATGATTACACCTATCTGGCGGTGGAAATTATCCGTGGCGATACCATCCGTTACGCGCTTCTGGAG"
+"ATCCCATCAGATAAAGTGCCGCGCTTTGTGAATTTACCGCCAGAAGCGCCGCGTCGACGCAAGCCGATGATTCTTCTGGA"
+"TAACATTCTGCGTTACTGCCTTGATGATATTTTCAAAGGCTTCTTTGATTATGACGCGCTGAATGCCTATTCAATGAAGA"
+"TGACCCGCGATGCCGAATACGATTTAGTGCATGAGATGGAAGCCAGCCTGATGGAGTTGATGTCTTCCAGTCTCAAGCAG"
+"CGTTTAACTGCTGAGCCGGTGCGTTTTGTTTATCAGCGCGATATGCCCAATGCGCTGGTTGAAGTTTTACGCGAAAAACT",
+
+"GGCGGCTTCGGTGCGCTGTGTGCATTGCCGCAAAAATATCGTGAACCCGTGCTGGTTTCCGGCACTGACGGCGTAAATAC"
+"CAAGCTGCGTCTGGCAATGGACTTAAAACGTCACGACACCATTGGTATTGATCTGGTCGCCATGTGCGTTAATGACCTGG"
+"TGGTGCAAGGTGCGGAACCGCTGTTTTTCCTCGACTATTACGCACCGGAAAACTGGATGTTGATACCGCTTCAGCGGTG"
+"ATCAGCGGCATTGCGGAAGGTTGTCTGCAATCGGGCTGTTCTCTGGTGGGTGGCGAAACGGCAGAAATGCCGGGGATGTA"
+"TCACGGTGAAGATTACGATGTCGCGGGTTTCTGCGTGGGCGTGGTAGAAAAATCAGAAATCATCGACGGCAAAGTCA"
+"GCGACGGCGATGTGCTGATTGCACTCGGTTCCAGCGGTCCGCACTCGAACGGTTATTCGCTGGTGCGCAAAATTCTTGAA"
+"GTCAGCGGTTGTGATCCGCAAACCACCGAACTTGATGGTAAGCCATTAGCCGATCATCTGCTGGCACCGACCCGCATTTA"
+"ACATTCCGCGCGTATTGCCAGATAATACCCAGGCAGTGATTGATGAATCTTCCTGGCAGTGGCCGGAAGTGTTCAACTGG"
+"CTGCAAACGGCAGGTAACGTTGAGCGCCATGAAATGTATCGCACCTTCAACTGCGGCGTCGGGATGATTATCCCCTGCC"
+"TGCTCCGGAAGTGGACAAAGCCCTCGCCCTGCTCAATGCCAACGGTGAAAACGCGTGGAAAATCGGTATCATCAAAGCCT"
+"CTGATTCCGAACAACGCGTGGTTATCGAATAATGAATATTGTGTGCTTATTTCCGGCAACGGAAGTAATTTACAGGCAA"
+"TTATTGACGCCTGTAAAACCAACAAAATTAAAGGCACCGTACGGGCAGTTTTCAGCAATAAGGCCGACGCGCGGCCTT"
+"GAACGCGCCCGCCAGGCGGGTATTGCAACGCATACGCTCATCGCCAGCGCGTTTGACAGTCGTGAAGCCTATGACCGGGA"
+"GTTGATTCATGAAATCGACATGTACGCACCCGATGTGGTCGTGCTGGCTGGTTTTATGCGCATTCTCAGCCCGGCGTTTG"
+"TCTCCCACTATGCCGGGCGTTTGCTGAACATTCACCCTTCTCTGCTGCCGAAATATCCCGGATTACACACCCATCGTCAA"
+"GCGCTGGAAAATGGCGATGAAGAGCACGGTACATCGGGCATTTCGTCACCGATGAACTGGACGGTGGCCCGGTTATTTT"
+"ACAGTCGAAAGTCCCGGTATTTGCTGGTGATACGGAAGATGACGTCACCGCCCGCGTGCAAACCCAGGAACACGCCATTT"
+"ATCCTCTGGTGATTAGCTGGTTTGCCGATGGTCGTCTGAAAATGCACGAAAACGCCGCGTGGCTGGATGGTCAACGTCTG"
+"CCGCTGCAGGGCTACGCTGCCGACGAGTAATGCCCCCGTAGTTAAAGCGCCAGCTCTGCCGCTGGCGTTTTTCAATTCAC"
+"CTGTTAATCGCAAGCTCCAGCAGCCCCCCCCCCCCTTTTCTGCATAGTTGGACATCTGCCAATATTGCTCGCCATAATA"
+"TCCATGCAGTGTCCCGTGAATAAAACGGAGTAAAAGTGGTAATGGGTCAGGAAAAGCTATACATAAAAAGAGCTCAGT"
+"TGGTTATCGTTCAATGAACGCGTGCTTCAGGAAGCGGCGGACAAATCTAACCCGCTGATTGAAAGGATGCGTTTCCTGGG"
+"GATCTATTCCAATAACCTTGATGAGTTCTATAAAGTCCGCTTCGCTGAACTGAAGCGACGCATTATTAGCGAAGAAC"
+"AAGGTTCCAACTCTCATTCCCGCCATTTACTGGGAAAATTCAGTCCCGGGTGCTGAAAGCCGATCAGGAATTCGACGGC"
+"CTCTTCAACGAGCTATTGCTGGAGATGGCGCGCAACCAGATCTTCCTGATTAATGAACGCCAGCTCTCCGTCAATCAACA"
+"AAACTGGCTGCGTCATTATTTTAAGCAGTATCTGCGTCAGCACATTACGCCGATTTTAATCAATCCTGACACTGACTTAG"
+"TGCATTTCCTGAAAGATGATTACACCTATCTGGCGGTGGAAATTATCCGTGGCGATACCATCCGTTACGCGCTTCTGGAG"
+"ATCCCATCAGATAAAGTGCCGCGCTTTGTGAATTTACCGCAGAAGCGCCGCGTCGACGCAAGCCGATGATTCTTCTGGA"
+"TAACATTCTGCGTTACTGCCTTGATGATATTTTCAAAGGCTTCTTTGATTATGACGCGCTGAATGCCTATTCAATGAAGA"
+"TGACCCGCGATGCCGAATACGATTTAGTGCATGAGATGGAAGCCAGCCTGATGGAGTTGATGTCTTCCAGTCTCAAGCAG"
+"CGTTTAACTGCTGAGCCGGTGCGTTTTGTTTATCGCGCGATATGCCCAATGCGCTGGTTGAAGTTTTACGCGAAAAACT",
+};
+
+
 static
 int
 my_read(Stream *s, void *buf, int n)
@@ -34,10 +105,12 @@ test·newick()
     wtr = (io·Putter){.put = &io·putbyte, .putstr = &io·putstring};
     al  = (mem·Allocator) { .alloc = &mem·arenaalloc, .free = nil, };
 
-    fd[0] = io·open("/home/nolln/root/data/test/example.nwk", "r");
-    fd[1] = io·open("/home/nolln/root/data/test/example.proc.nwk", "w");
+    fd[0] = io·open("/home/nolln/root/data/test/zika.nwk", "r");
+    fd[1] = io·open("/home/nolln/root/data/test/zika.proc.nwk", "w");
 
-    t   = bio·readnewick(rdr, fd[0], al, mem);
+    err = bio·readnewick(rdr, fd[0], al, mem, &t);
+
+    printf("Loaded tree with %d leafs and %d nodes\n", t.nleaf, t.nnode);
     err = bio·writenewick(t, wtr, fd[1]);
 
     io·flush(fd[1]);
@@ -140,75 +213,8 @@ test·fastq()
     return err <= 0 ? 0 : 1;
 }
 
-static byte *SEQ[] = {
-"GGCGGCTTCGGTGCGCTGTGTGCATTGCCGCAAAAATATCGTGAACCCGTGCTGGTTTCCGGCACTGACGGCGTAGGTAC"
-"CAAGCTGCGTCTGGCAATGGACTTAAAACGTCACGACACCATTGGTATTGATCTGGTCGCCATGTGCGTTAATGACCTGG"
-"TGGTGCAAGGTGCGGAACCGCTGTTTTTCCTCGACTATTACGCAACCGGAAAACTGGATGTTGATACCGCTTCAGCGGTG"
-"ATCAGCGGCATTGCGGAAGGTTGTCTGCAATCGGGCTGTTCTCTGGTGGGTGGCGAAACGGCAGAAATGCCGGGGATGTA"
-"TCACGGTGAAGATTACGATGTCGCGGGTTTCTGCGTGGGCGTGGTAGAAAAATCAGAAATCATCGACGGCTCTAAAGTCA"
-"GCGACGGCGATGTGCTGATTGCACTCGGTTCCAGCGGTCCGCACTCGAACGGTTATTCGCTGGTGCGCAAAATTCTTGAA"
-"GTCAGCGGTTGTGATCCGCAAACCACCGAACTTGATGGTAAGCCATTAGCCGATCATCTGCTGGCACCGACCCGCATTTA"
-"CGTGAAGTCAGTGCTGGAGTTGATTGAAAAGGTCGATGTGCATGCCATTGCGCACCTGACCGGCGGCGGCTTCTGGGAAA"
-"ACATTCCGCGCGTATTGCCAGATAATACCCAGGCAGTGATTGATGAATCTTCCTGGCAGTGGCCGGAAGTGTTCAACTGG"
-"CTGCAAACGGCAGGTAACGTTGAGCGCCATGAAATGTATCGCACCTTCAACTGCGGCGTCGGGATGATTATCGCCCTGCC"
-"TGCTCCGGAAGTGGACAAAGCCCTCGCCCTGCTCAATGCCAACGGTGAAAACGCGTGGAAAATCGGTATCATCAAAGCCT"
-"CTGATTCCGAACAACGCGTGGTTATCGAATAATGAATATTGTGGTGCTTATTTCCGGCAACGGAAGTAATTTACAGGCAA"
-"TTATTGACGCCTGTAAAACCAACAAAATTAAAGGCACCGTACGGGCAGTTTTCAGCAATAAGGCCGACGCGTTCGGCCTT"
-"GAACGCGCCCGCCAGGCGGGTATTGCAACGCATACGCTCATCGCCAGCGCGTTTGACAGTCGTGAAGCCTATGACCGGGA"
-"GTTGATTCATGAAATCGACATGTACGCACCCGATGTGGTCGTGCTGGCTGGTTTTATGCGCATTCTCAGCCCGGCGTTTG"
-"TCTCCCACTATGCCGGGCGTTTGCTGAACATTCACCCTTCTCTGCTGCCGAAATATCCCGGATTACACACCCATCGTCAA"
-"GCGCTGGAAAATGGCGATGAAGAGCACGGTACATCGGTGCATTTCGTCACCGATGAACTGGACGGTGGCCCGGTTATTTT"
-"ACAGGCGAAAGTCCCGGTATTTGCTGGTGATACGGAAGATGACGTCACCGCCCGCGTGCAAACCCAGGAACACGCCATTT"
-"ATCCACTGGTGATTAGCTGGTTTGCCGATGGTCGTCTGAAAATGCACGAAAACGCCGCGTGGCTGGATGGTCAACGTCTG"
-"CCGCCGCAGGGCTACGCTGCCGACGAGTAATGCCCCCGTAGTTAAAGCGCCAGCTCTGCCGCTGGCGTTTTTCAATTCAC"
-"CTGTAAATCGCAAGCTCCAGCAGTTTTTTTCCCCCTTTTCTGGCATAGTTGGACATCTGCCAATATTGCTCGCCATAATA"
-"TCCAGGCAGTGTCCCGTGAATAAAACGGAGTAAAAGTGGTAATGGGTCAGGAAAAGCTATACATCGAAAAAGAGCTCAGT"
-"TGGTTATCGTTCAATGAACGCGTGCTTCAGGAAGCGGCGGACAAATCTAACCCGCTGATTGAAAGGATGCGTTTCCTGGG"
-"GATCTATTCCAATAACCTTGATGAGTTCTATAAAGTCCGCTTCGCTGAACTGAAGCGACGCATCATTATTAGCGAAGAAC"
-"AAGGCTCCAACTCTCATTCCCGCCATTTACTGGGCAAAATTCAGTCCCGGGTGCTGAAAGCCGATCAGGAATTCGACGGC"
-"CTCTACAACGAGCTATTGCTGGAGATGGCGCGCAACCAGATCTTCCTGATTAATGAACGCCAGCTCTCCGTCAATCAACA"
-"AAACTGGCTGCGTCATTATTTTAAGCAGTATCTGCGTCAGCACATTACGCCGATTTTAATCAATCCTGACACTGACTTAG"
-"TGCAGTTCCTGAAAGATGATTACACCTATCTGGCGGTGGAAATTATCCGTGGCGATACCATCCGTTACGCGCTTCTGGAG"
-"ATCCCATCAGATAAAGTGCCGCGCTTTGTGAATTTACCGCCAGAAGCGCCGCGTCGACGCAAGCCGATGATTCTTCTGGA"
-"TAACATTCTGCGTTACTGCCTTGATGATATTTTCAAAGGCTTCTTTGATTATGACGCGCTGAATGCCTATTCAATGAAGA"
-"TGACCCGCGATGCCGAATACGATTTAGTGCATGAGATGGAAGCCAGCCTGATGGAGTTGATGTCTTCCAGTCTCAAGCAG"
-"CGTTTAACTGCTGAGCCGGTGCGTTTTGTTTATCAGCGCGATATGCCCAATGCGCTGGTTGAAGTTTTACGCGAAAAACT",
-
-"GGCGGCTTCGGTGCGCTGTGTGCATTGCCGCAAAAATATCGTGAACCCGTGCTGGTTTCCGGCACTGACGGCGTAAATAC"
-"CAAGCTGCGTCTGGCAATGGACTTAAAACGTCACGACACCATTGGTATTGATCTGGTCGCCATGTGCGTTAATGACCTGG"
-"TGGTGCAAGGTGCGGAACCGCTGTTTTTCCTCGACTATTACGCACCGGAAAACTGGATGTTGATACCGCTTCAGCGGTG"
-"ATCAGCGGCATTGCGGAAGGTTGTCTGCAATCGGGCTGTTCTCTGGTGGGTGGCGAAACGGCAGAAATGCCGGGGATGTA"
-"TCACGGTGAAGATTACGATGTCGCGGGTTTCTGCGTGGGCGTGGTAGAAAAATCAGAAATCATCGACGGCAAAGTCA"
-"GCGACGGCGATGTGCTGATTGCACTCGGTTCCAGCGGTCCGCACTCGAACGGTTATTCGCTGGTGCGCAAAATTCTTGAA"
-"GTCAGCGGTTGTGATCCGCAAACCACCGAACTTGATGGTAAGCCATTAGCCGATCATCTGCTGGCACCGACCCGCATTTA"
-"ACATTCCGCGCGTATTGCCAGATAATACCCAGGCAGTGATTGATGAATCTTCCTGGCAGTGGCCGGAAGTGTTCAACTGG"
-"CTGCAAACGGCAGGTAACGTTGAGCGCCATGAAATGTATCGCACCTTCAACTGCGGCGTCGGGATGATTATCCCCTGCC"
-"TGCTCCGGAAGTGGACAAAGCCCTCGCCCTGCTCAATGCCAACGGTGAAAACGCGTGGAAAATCGGTATCATCAAAGCCT"
-"CTGATTCCGAACAACGCGTGGTTATCGAATAATGAATATTGTGTGCTTATTTCCGGCAACGGAAGTAATTTACAGGCAA"
-"TTATTGACGCCTGTAAAACCAACAAAATTAAAGGCACCGTACGGGCAGTTTTCAGCAATAAGGCCGACGCGCGGCCTT"
-"GAACGCGCCCGCCAGGCGGGTATTGCAACGCATACGCTCATCGCCAGCGCGTTTGACAGTCGTGAAGCCTATGACCGGGA"
-"GTTGATTCATGAAATCGACATGTACGCACCCGATGTGGTCGTGCTGGCTGGTTTTATGCGCATTCTCAGCCCGGCGTTTG"
-"TCTCCCACTATGCCGGGCGTTTGCTGAACATTCACCCTTCTCTGCTGCCGAAATATCCCGGATTACACACCCATCGTCAA"
-"GCGCTGGAAAATGGCGATGAAGAGCACGGTACATCGGGCATTTCGTCACCGATGAACTGGACGGTGGCCCGGTTATTTT"
-"ACAGTCGAAAGTCCCGGTATTTGCTGGTGATACGGAAGATGACGTCACCGCCCGCGTGCAAACCCAGGAACACGCCATTT"
-"ATCCTCTGGTGATTAGCTGGTTTGCCGATGGTCGTCTGAAAATGCACGAAAACGCCGCGTGGCTGGATGGTCAACGTCTG"
-"CCGCTGCAGGGCTACGCTGCCGACGAGTAATGCCCCCGTAGTTAAAGCGCCAGCTCTGCCGCTGGCGTTTTTCAATTCAC"
-"CTGTTAATCGCAAGCTCCAGCAGCCCCCCCCCCCCTTTTCTGCATAGTTGGACATCTGCCAATATTGCTCGCCATAATA"
-"TCCATGCAGTGTCCCGTGAATAAAACGGAGTAAAAGTGGTAATGGGTCAGGAAAAGCTATACATAAAAAGAGCTCAGT"
-"TGGTTATCGTTCAATGAACGCGTGCTTCAGGAAGCGGCGGACAAATCTAACCCGCTGATTGAAAGGATGCGTTTCCTGGG"
-"GATCTATTCCAATAACCTTGATGAGTTCTATAAAGTCCGCTTCGCTGAACTGAAGCGACGCATTATTAGCGAAGAAC"
-"AAGGTTCCAACTCTCATTCCCGCCATTTACTGGGAAAATTCAGTCCCGGGTGCTGAAAGCCGATCAGGAATTCGACGGC"
-"CTCTTCAACGAGCTATTGCTGGAGATGGCGCGCAACCAGATCTTCCTGATTAATGAACGCCAGCTCTCCGTCAATCAACA"
-"AAACTGGCTGCGTCATTATTTTAAGCAGTATCTGCGTCAGCACATTACGCCGATTTTAATCAATCCTGACACTGACTTAG"
-"TGCATTTCCTGAAAGATGATTACACCTATCTGGCGGTGGAAATTATCCGTGGCGATACCATCCGTTACGCGCTTCTGGAG"
-"ATCCCATCAGATAAAGTGCCGCGCTTTGTGAATTTACCGCAGAAGCGCCGCGTCGACGCAAGCCGATGATTCTTCTGGA"
-"TAACATTCTGCGTTACTGCCTTGATGATATTTTCAAAGGCTTCTTTGATTATGACGCGCTGAATGCCTATTCAATGAAGA"
-"TGACCCGCGATGCCGAATACGATTTAGTGCATGAGATGGAAGCCAGCCTGATGGAGTTGATGTCTTCCAGTCTCAAGCAG"
-"CGTTTAACTGCTGAGCCGGTGCGTTTTGTTTATCGCGCGATATGCCCAATGCGCTGGTTGAAGTTTTACGCGAAAAACT",
-};
-
 error
-main()
+test·align()
 {
     double  f;
     error   err;
@@ -251,12 +257,19 @@ main()
 
     printf("Fraction hits %f\n", f/aln·N);
     return err;
-#if 0
+
+}
+
+error
+main()
+{
+    error err;
 
     if (err = test·newick(), err) {
         errorf("test fail: newick");
     }
 
+#if 0
     if (err = test·fasta(), err) {
         errorf("test fail: fasta");
     }